Batya Swift Yasgur, MA, LSW

TOPLINE:

Mental health distress increased disproportionately among transgender and gender-nonconforming US adults between 2014 and 2021 compared with their cisgender counterparts, a new study suggested. Investigators said the findings among an historically marginalized segment of society point to a need to address a growing inequality in mental health.

METHODOLOGY:

• Investigators drew on 2014-2021 US Behavioral Risk Factor Surveillance System (BRFSS) survey data, using logistic and ordinary least squares regression to document temporal trends in the transgender-cisgender disparity in self-reports of the number of poor mental health days in the past month and frequent mental distress.
• They included 43 states that implemented the optional sexual orientation and gender identity module in the BRFSS.
• Outcomes included the number of poor mental health days in the past month, as well as frequent mental distress (≥ 14 poor mental health days in the past month).

TAKEAWAY:

• Even in 2014, there was a discrepancy between cisgender and transgender and gender-nonconforming individuals in the reported mean of poor mental health days (3.68 vs 5.42).
• The size of this disparity, adjusted by differences in observable characteristics, increased by 2.75 days (95% CI, 0.58-4.91) over the study period.
• The inequality in mental health status between cisgender and transgender and nonconforming adults grew from 11.4% vs 18.9% in 2014, respectively, to 14.6% vs 32.9% in 2021, respectively.

IN PRACTICE:

“Our findings demonstrate sizable and worsening inequities in mental health across gender identity,” the authors wrote. “Mental health and primary care providers must be prepared to address the unique psychosocial needs of gender minority adults. Furthermore, our findings highlight the need for action to reduce these disparities.”

SOURCE:

Samuel Mann, PhD, of the RAND Corporation, was the corresponding author of the study. It was published online on April 10 in the American Journal of Public Health.

LIMITATIONS:

Measures of mental health were derived from self-reports. In addition, data from seven states were missing because these states did not include sexual orientation and gender identity in the BRFSS. And the BRFSS does not survey people who are unhoused, incarcerated, or in group living quarters.

DISCLOSURES:

No source of study funding was listed. The authors disclosed no relevant financial relationships.
 

A version of this article appeared on Medscape.com.

TOPLINE:

Mental health distress increased disproportionately among transgender and gender-nonconforming US adults between 2014 and 2021 compared with their cisgender counterparts, a new study suggested. Investigators said the findings among an historically marginalized segment of society point to a need to address a growing inequality in mental health.

METHODOLOGY:

• Investigators drew on 2014-2021 US Behavioral Risk Factor Surveillance System (BRFSS) survey data, using logistic and ordinary least squares regression to document temporal trends in the transgender-cisgender disparity in self-reports of the number of poor mental health days in the past month and frequent mental distress.
• They included 43 states that implemented the optional sexual orientation and gender identity module in the BRFSS.
• Outcomes included the number of poor mental health days in the past month, as well as frequent mental distress (≥ 14 poor mental health days in the past month).

TAKEAWAY:

• Even in 2014, there was a discrepancy between cisgender and transgender and gender-nonconforming individuals in the reported mean of poor mental health days (3.68 vs 5.42).
• The size of this disparity, adjusted by differences in observable characteristics, increased by 2.75 days (95% CI, 0.58-4.91) over the study period.
• The inequality in mental health status between cisgender and transgender and nonconforming adults grew from 11.4% vs 18.9% in 2014, respectively, to 14.6% vs 32.9% in 2021, respectively.

IN PRACTICE:

“Our findings demonstrate sizable and worsening inequities in mental health across gender identity,” the authors wrote. “Mental health and primary care providers must be prepared to address the unique psychosocial needs of gender minority adults. Furthermore, our findings highlight the need for action to reduce these disparities.”

SOURCE:

Samuel Mann, PhD, of the RAND Corporation, was the corresponding author of the study. It was published online on April 10 in the American Journal of Public Health.

LIMITATIONS:

Measures of mental health were derived from self-reports. In addition, data from seven states were missing because these states did not include sexual orientation and gender identity in the BRFSS. And the BRFSS does not survey people who are unhoused, incarcerated, or in group living quarters.

DISCLOSURES:

No source of study funding was listed. The authors disclosed no relevant financial relationships.
 

A version of this article appeared on Medscape.com.

TOPLINE:

Mental health distress increased disproportionately among transgender and gender-nonconforming US adults between 2014 and 2021 compared with their cisgender counterparts, a new study suggested. Investigators said the findings among an historically marginalized segment of society point to a need to address a growing inequality in mental health.

METHODOLOGY:

• Investigators drew on 2014-2021 US Behavioral Risk Factor Surveillance System (BRFSS) survey data, using logistic and ordinary least squares regression to document temporal trends in the transgender-cisgender disparity in self-reports of the number of poor mental health days in the past month and frequent mental distress.
• They included 43 states that implemented the optional sexual orientation and gender identity module in the BRFSS.
• Outcomes included the number of poor mental health days in the past month, as well as frequent mental distress (≥ 14 poor mental health days in the past month).

TAKEAWAY:

• Even in 2014, there was a discrepancy between cisgender and transgender and gender-nonconforming individuals in the reported mean of poor mental health days (3.68 vs 5.42).
• The size of this disparity, adjusted by differences in observable characteristics, increased by 2.75 days (95% CI, 0.58-4.91) over the study period.
• The inequality in mental health status between cisgender and transgender and nonconforming adults grew from 11.4% vs 18.9% in 2014, respectively, to 14.6% vs 32.9% in 2021, respectively.

IN PRACTICE:

“Our findings demonstrate sizable and worsening inequities in mental health across gender identity,” the authors wrote. “Mental health and primary care providers must be prepared to address the unique psychosocial needs of gender minority adults. Furthermore, our findings highlight the need for action to reduce these disparities.”

SOURCE:

Samuel Mann, PhD, of the RAND Corporation, was the corresponding author of the study. It was published online on April 10 in the American Journal of Public Health.

LIMITATIONS:

Measures of mental health were derived from self-reports. In addition, data from seven states were missing because these states did not include sexual orientation and gender identity in the BRFSS. And the BRFSS does not survey people who are unhoused, incarcerated, or in group living quarters.

DISCLOSURES:

No source of study funding was listed. The authors disclosed no relevant financial relationships.
 

A version of this article appeared on Medscape.com.

High olive oil consumption is associated with a significant decreased risk for dementia-related mortality, regardless of overall diet quality, a new study suggested.

Data from a prospective study of more than 92,000 people showed consuming at least 7 g of olive oil a day — about half a tablespoon — was associated with a 28% lower risk for dementia-related death.

Replacing one teaspoon of margarine and mayonnaise with the equivalent amount of olive oil was associated with an 8%-14% lower risk for dementia-related mortality.

“Opting for olive oil, a natural product, instead of more processed fats such as margarine and mayonnaise, is a safe choice and may reduce risk of fatal dementia,” said lead investigator Anne-Julie Tessier, RD, PhD, research associate, Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston.

However, “intervention studies are needed to confirm causal effect and optimal quantity of olive oil intake,” she added.

The study was published online in JAMA Network Open.
 

A Spoonful of Olive Oil

A growing body of evidence has shown a link between the Mediterranean diet and preserved cognitive function and lower risk for cardiovascular disease (CVD). But its association with dementia mortality was unknown.

Investigators analyzed data on over 92,000 participants (66% women; mean age, 56 years) in the Nurses’ Health Study (NHS) and Health Professionals Follow-Up Study (HPFS) who were free of CVD and cancer at baseline.

Both studies were conducted between 1990 and 2018, with olive oil intake assessed every 4 years using a food frequency questionnaire. Dementia-related mortality was ascertained from death records.

The researchers also evaluated the joint association of diet quality (particularly adherence to the Mediterranean diet and Alternative Healthy Eating Index score) and olive oil consumption with the risk for dementia-related mortality. And they estimated the difference in the risk for dementia-related mortality when other dietary fats were substituted with an equivalent amount of olive oil.

There were 4751 dementia-related deaths during the 28-year follow-up period. People with two copies of the apolipoprotein epsilon-4 (APOE epsilon-4) allele — a known risk factor for Alzheimer’s disease — had a fivefold to ninefold greater likelihood of dementia-related death.

Compared with no or rare olive oil intake, consumption of 7 g of olive oil or more per day was associated with a 28% lower risk for dementia-related mortality (adjusted hazard ratio [HR], 0.72; P < .001), after adjusting for lifestyle and socioeconomic factors. The finding remained consistent even with further adjustment for the APOE epsilon-4 allele.

Each 5-g increment in olive oil consumption had an inverse association with dementia-related death in women (HR, 0.88; 95% CI, 0.84-0.93) but not in men (HR, 0.96; 95% CI, 0.88-1.04).

No interaction by diet quality scores was found.
 

No Link With Diet Quality

“Typically, people who use olive oil for cooking or as a dressing have an overall better quality of their diet, but interestingly, we found the association between more olive oil and reduced risk of dementia-related death to be regardless of this factor,” Dr. Tessier said.

Replacing 5 g per day of margarine and mayonnaise with the equivalent amount of olive oil was associated with an 8%-14% lower risk for dementia mortality. Substitutions for other vegetable oils or butter were not significant.

“Some antioxidant compounds in olive oil can cross the blood-brain barrier, potentially having a direct effect on the brain,” Dr. Tessier said. “It is also possible that olive oil has an indirect effect on brain health by benefiting cardiovascular health.”

The authors noted several study limitations, including the possibility of reverse causation, due to the observational nature of the study.

It is also plausible that higher olive oil intake could be indicative of a healthier diet and higher socioeconomic status, although the results remained consistent after accounting these factors, the authors noted.

The study population included only healthcare professionals and was primarily non-Hispanic White people, which could limit generalizability.
 

Causality Versus Connection

Commenting on the findings, Rebecca M. Edelmayer, PhD, senior director of scientific engagement for the Alzheimer’s Association, cautioned that the study was designed to show correlation, not causation.

Other notable limitations include measuring prevalence or incidence of dementia from death records because dementia and Alzheimer’s disease are often underreported as a cause of death.

Moreover, people in the highest olive oil consumption group also had better diet quality, higher alcohol intake, were more physically active, and less likely to smoke, Dr. Edelmayer said.

“All of these factors may have an impact on risk of cognitive decline and dementia, separately from or in addition to olive oil consumption,” said Dr. Edelmayer, who was not involved with the study.

She echoed the authors’ concerns that the study was conducted in predominantly non-Hispanic White people and noted that the protective benefits of olive oil were no longer statistically significant for men after adjusting for potential confounders.

It “would be wonderful if a particular food could delay or prevent Alzheimer’s disease, but we do not have scientific evidence that these claims are true,” Dr. Edelmayer said. “We need randomized controlled clinical trials to evaluate whether any foods have a scientifically proven beneficial effect.”

This study is supported by a research grant from the National Institutes of Health to the senior author. The NHS, NHSII, and HPFS are supported by grants from the National Institutes of Health. Tessier is supported by the Canadian Institutes of Health Research Postdoctoral Fellowship Award. Senior author Guasch-Ferré is supported by a Novo Nordisk Foundation grant. Dr. Tessier reported no other relevant financial relationships. The other authors’ disclosures are listed on the original paper. Dr. Edelmayer reported no relevant financial relationships.

A version of this article appeared on Medscape.com.

High olive oil consumption is associated with a significant decreased risk for dementia-related mortality, regardless of overall diet quality, a new study suggested.

Data from a prospective study of more than 92,000 people showed consuming at least 7 g of olive oil a day — about half a tablespoon — was associated with a 28% lower risk for dementia-related death.

Replacing one teaspoon of margarine and mayonnaise with the equivalent amount of olive oil was associated with an 8%-14% lower risk for dementia-related mortality.

“Opting for olive oil, a natural product, instead of more processed fats such as margarine and mayonnaise, is a safe choice and may reduce risk of fatal dementia,” said lead investigator Anne-Julie Tessier, RD, PhD, research associate, Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston.

However, “intervention studies are needed to confirm causal effect and optimal quantity of olive oil intake,” she added.

The study was published online in JAMA Network Open.
 

A Spoonful of Olive Oil

A growing body of evidence has shown a link between the Mediterranean diet and preserved cognitive function and lower risk for cardiovascular disease (CVD). But its association with dementia mortality was unknown.

Investigators analyzed data on over 92,000 participants (66% women; mean age, 56 years) in the Nurses’ Health Study (NHS) and Health Professionals Follow-Up Study (HPFS) who were free of CVD and cancer at baseline.

Both studies were conducted between 1990 and 2018, with olive oil intake assessed every 4 years using a food frequency questionnaire. Dementia-related mortality was ascertained from death records.

The researchers also evaluated the joint association of diet quality (particularly adherence to the Mediterranean diet and Alternative Healthy Eating Index score) and olive oil consumption with the risk for dementia-related mortality. And they estimated the difference in the risk for dementia-related mortality when other dietary fats were substituted with an equivalent amount of olive oil.

There were 4751 dementia-related deaths during the 28-year follow-up period. People with two copies of the apolipoprotein epsilon-4 (APOE epsilon-4) allele — a known risk factor for Alzheimer’s disease — had a fivefold to ninefold greater likelihood of dementia-related death.

Compared with no or rare olive oil intake, consumption of 7 g of olive oil or more per day was associated with a 28% lower risk for dementia-related mortality (adjusted hazard ratio [HR], 0.72; P < .001), after adjusting for lifestyle and socioeconomic factors. The finding remained consistent even with further adjustment for the APOE epsilon-4 allele.

Each 5-g increment in olive oil consumption had an inverse association with dementia-related death in women (HR, 0.88; 95% CI, 0.84-0.93) but not in men (HR, 0.96; 95% CI, 0.88-1.04).

No interaction by diet quality scores was found.
 

No Link With Diet Quality

“Typically, people who use olive oil for cooking or as a dressing have an overall better quality of their diet, but interestingly, we found the association between more olive oil and reduced risk of dementia-related death to be regardless of this factor,” Dr. Tessier said.

Replacing 5 g per day of margarine and mayonnaise with the equivalent amount of olive oil was associated with an 8%-14% lower risk for dementia mortality. Substitutions for other vegetable oils or butter were not significant.

“Some antioxidant compounds in olive oil can cross the blood-brain barrier, potentially having a direct effect on the brain,” Dr. Tessier said. “It is also possible that olive oil has an indirect effect on brain health by benefiting cardiovascular health.”

The authors noted several study limitations, including the possibility of reverse causation, due to the observational nature of the study.

It is also plausible that higher olive oil intake could be indicative of a healthier diet and higher socioeconomic status, although the results remained consistent after accounting these factors, the authors noted.

The study population included only healthcare professionals and was primarily non-Hispanic White people, which could limit generalizability.
 

Causality Versus Connection

Commenting on the findings, Rebecca M. Edelmayer, PhD, senior director of scientific engagement for the Alzheimer’s Association, cautioned that the study was designed to show correlation, not causation.

Other notable limitations include measuring prevalence or incidence of dementia from death records because dementia and Alzheimer’s disease are often underreported as a cause of death.

Moreover, people in the highest olive oil consumption group also had better diet quality, higher alcohol intake, were more physically active, and less likely to smoke, Dr. Edelmayer said.

“All of these factors may have an impact on risk of cognitive decline and dementia, separately from or in addition to olive oil consumption,” said Dr. Edelmayer, who was not involved with the study.

She echoed the authors’ concerns that the study was conducted in predominantly non-Hispanic White people and noted that the protective benefits of olive oil were no longer statistically significant for men after adjusting for potential confounders.

It “would be wonderful if a particular food could delay or prevent Alzheimer’s disease, but we do not have scientific evidence that these claims are true,” Dr. Edelmayer said. “We need randomized controlled clinical trials to evaluate whether any foods have a scientifically proven beneficial effect.”

This study is supported by a research grant from the National Institutes of Health to the senior author. The NHS, NHSII, and HPFS are supported by grants from the National Institutes of Health. Tessier is supported by the Canadian Institutes of Health Research Postdoctoral Fellowship Award. Senior author Guasch-Ferré is supported by a Novo Nordisk Foundation grant. Dr. Tessier reported no other relevant financial relationships. The other authors’ disclosures are listed on the original paper. Dr. Edelmayer reported no relevant financial relationships.

A version of this article appeared on Medscape.com.

High olive oil consumption is associated with a significant decreased risk for dementia-related mortality, regardless of overall diet quality, a new study suggested.

Data from a prospective study of more than 92,000 people showed consuming at least 7 g of olive oil a day — about half a tablespoon — was associated with a 28% lower risk for dementia-related death.

Replacing one teaspoon of margarine and mayonnaise with the equivalent amount of olive oil was associated with an 8%-14% lower risk for dementia-related mortality.

“Opting for olive oil, a natural product, instead of more processed fats such as margarine and mayonnaise, is a safe choice and may reduce risk of fatal dementia,” said lead investigator Anne-Julie Tessier, RD, PhD, research associate, Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston.

However, “intervention studies are needed to confirm causal effect and optimal quantity of olive oil intake,” she added.

The study was published online in JAMA Network Open.
 

A Spoonful of Olive Oil

A growing body of evidence has shown a link between the Mediterranean diet and preserved cognitive function and lower risk for cardiovascular disease (CVD). But its association with dementia mortality was unknown.

Investigators analyzed data on over 92,000 participants (66% women; mean age, 56 years) in the Nurses’ Health Study (NHS) and Health Professionals Follow-Up Study (HPFS) who were free of CVD and cancer at baseline.

Both studies were conducted between 1990 and 2018, with olive oil intake assessed every 4 years using a food frequency questionnaire. Dementia-related mortality was ascertained from death records.

The researchers also evaluated the joint association of diet quality (particularly adherence to the Mediterranean diet and Alternative Healthy Eating Index score) and olive oil consumption with the risk for dementia-related mortality. And they estimated the difference in the risk for dementia-related mortality when other dietary fats were substituted with an equivalent amount of olive oil.

There were 4751 dementia-related deaths during the 28-year follow-up period. People with two copies of the apolipoprotein epsilon-4 (APOE epsilon-4) allele — a known risk factor for Alzheimer’s disease — had a fivefold to ninefold greater likelihood of dementia-related death.

Compared with no or rare olive oil intake, consumption of 7 g of olive oil or more per day was associated with a 28% lower risk for dementia-related mortality (adjusted hazard ratio [HR], 0.72; P < .001), after adjusting for lifestyle and socioeconomic factors. The finding remained consistent even with further adjustment for the APOE epsilon-4 allele.

Each 5-g increment in olive oil consumption had an inverse association with dementia-related death in women (HR, 0.88; 95% CI, 0.84-0.93) but not in men (HR, 0.96; 95% CI, 0.88-1.04).

No interaction by diet quality scores was found.
 

No Link With Diet Quality

“Typically, people who use olive oil for cooking or as a dressing have an overall better quality of their diet, but interestingly, we found the association between more olive oil and reduced risk of dementia-related death to be regardless of this factor,” Dr. Tessier said.

Replacing 5 g per day of margarine and mayonnaise with the equivalent amount of olive oil was associated with an 8%-14% lower risk for dementia mortality. Substitutions for other vegetable oils or butter were not significant.

“Some antioxidant compounds in olive oil can cross the blood-brain barrier, potentially having a direct effect on the brain,” Dr. Tessier said. “It is also possible that olive oil has an indirect effect on brain health by benefiting cardiovascular health.”

The authors noted several study limitations, including the possibility of reverse causation, due to the observational nature of the study.

It is also plausible that higher olive oil intake could be indicative of a healthier diet and higher socioeconomic status, although the results remained consistent after accounting these factors, the authors noted.

The study population included only healthcare professionals and was primarily non-Hispanic White people, which could limit generalizability.
 

Causality Versus Connection

Commenting on the findings, Rebecca M. Edelmayer, PhD, senior director of scientific engagement for the Alzheimer’s Association, cautioned that the study was designed to show correlation, not causation.

Other notable limitations include measuring prevalence or incidence of dementia from death records because dementia and Alzheimer’s disease are often underreported as a cause of death.

Moreover, people in the highest olive oil consumption group also had better diet quality, higher alcohol intake, were more physically active, and less likely to smoke, Dr. Edelmayer said.

“All of these factors may have an impact on risk of cognitive decline and dementia, separately from or in addition to olive oil consumption,” said Dr. Edelmayer, who was not involved with the study.

She echoed the authors’ concerns that the study was conducted in predominantly non-Hispanic White people and noted that the protective benefits of olive oil were no longer statistically significant for men after adjusting for potential confounders.

It “would be wonderful if a particular food could delay or prevent Alzheimer’s disease, but we do not have scientific evidence that these claims are true,” Dr. Edelmayer said. “We need randomized controlled clinical trials to evaluate whether any foods have a scientifically proven beneficial effect.”

This study is supported by a research grant from the National Institutes of Health to the senior author. The NHS, NHSII, and HPFS are supported by grants from the National Institutes of Health. Tessier is supported by the Canadian Institutes of Health Research Postdoctoral Fellowship Award. Senior author Guasch-Ferré is supported by a Novo Nordisk Foundation grant. Dr. Tessier reported no other relevant financial relationships. The other authors’ disclosures are listed on the original paper. Dr. Edelmayer reported no relevant financial relationships.

A version of this article appeared on Medscape.com.

A unique autoantibody signature of multiple sclerosis (MS) is detectable in the blood of people with the disease years before symptom onset, according to a new study.

Investigators screened blood samples from 250 individuals with MS drawn 5 years before and 1 year after symptom onset, profiled MS-related autoantibodies, and compared the sample with 250 matched controls.

A unique cluster of autoantibodies was found in 10% of people with MS, appearing up to 5 years before the onset of clinical symptoms and remaining higher 1 year after diagnosis. 

“Our work demonstrates that a subset of MS patients has antibodies that react to a common protein motif, both before, during, and after diagnosis and symptom onset,” said lead investigator Colin R. Zamecnik, PhD, a postdoctoral researcher at UCSF School of Medicine, University of California, San Francisco.

Such a discovery could aid in early diagnosis, Dr. Zamecnik added. MS treatments “have gotten much better in the last 15-20 years and evidence shows early treatment can improve outcomes,” he said. 

The study was published online in Nature Medicine.
 

Seeking Earlier Diagnosis

Previous research shows that nonspecific neurologic episodes occur more frequently in people who received an MS diagnosis later in life, pointing to the possibility of an MS prodrome, the authors noted.

These neurologic episodes may be indicative of ongoing neuroinflammatory processes in the preclinical period, they added. Studies in several other autoimmune diseases show that diagnostic autoantibodies can appear years before symptom onset. However, no such antibodies have previously been identified in MS patients. 

To investigate, the researchers turned to data from a large, prospective incident MS cohort assembled during the Gulf War era in more than 10 million US military veterans.

Records of those with the earliest diagnosis (an average of 5 years before symptom onset) and 1 year after the first attack were analyzed, and matched controls were selected.

Investigators used a technique called phage display immunoprecipitation sequencing to screen human blood for antibodies. They conducted a whole-proteome autoantibody screen and serum neurofilament light (sNfL) measurements on these samples in both case patients and controls at the same time points. 
 

Early Signs of Injury

In the preclinical serum samples, sNfL levels were higher nearer the date of diagnosis and significantly higher in post- versus pre-onset samples in people with MS. “Together, these data provide evidence that at least some people with MS exhibit early signs of neuroaxonal injury long before onset of symptoms,” the authors noted.

Analysis of the collection of peptides, described by the investigators as an “autoantibody signature,” was consistent over time and was present regardless of diagnosis. 

Further analysis of the autoantibodies revealed a characteristic protein motif found in common viruses, including Epstein-Barr virus (EBV) and hepatitis C virus, among others.

The motif “shares remarkable similarity to those found on many pathogens that infect humans, including EBV, which is known to be a risk factor for development of MS,” Dr. Zamecnik said.

The researchers validated these findings by analyzing serum and cerebrospinal fluid samples from participants in ORIGINS, an MS cohort at the University of California, San Francisco, that enrolled patients at clinical onset. As with the other cohort, 10% of patients had the autoantibody signature. 

The investigators added that the findings detail some of the first autoantigen-specific biomarkers found in preclinical MS. 

“Taken together, our future work will focus on profiling these patients more closely over time to see how they differ from their counterparts and gives further evidence of viral-host crosstalk as a hallmark of this disease,” Dr. Zamecnik said.
 

Not Ready for Prime Time

Commenting on the findings, Bruce Bebo, PhD, executive vice president of research, National Multiple Sclerosis Society, said the study corroborates the “growing appreciation that MS has a prodrome.” 

Such a discovery might “accelerate progress toward the possibility of treating MS ever-earlier in the course of the disease, or possibly even preventing MS from occurring in the first place,” he added.

Dr. Bebo, who was not involved in this research, noted that it was conducted at a single center, is only preliminary, and “has no immediate clinical applicability.”

Also, because this pattern was identified in only 10% of individuals with MS, “an additional hurdle is whether we can identify other patterns in greater numbers of people,” he added.

This work was supported by the Valhalla Foundation; the Weill Neurohub; the Westridge Foundation; the National Institute of Neurological Disorders and Stroke; the National Institute of Allergy and Infectious Diseases; National Multiple Sclerosis Society; the Department of Defense; the German Society of Multiple Sclerosis; the Water Cove Charitable Foundation; Tim and Laura O’Shaughnessy; the Littera Family; School of Medicine Dean’s Yearlong Fellowship, supported by residual funds from the Howard Hughes Medical Institute Medical Fellows at UCSF; the Chan Zuckerberg Biohub San Francisco; the John A. Watson Scholar Program at UCSF; the Hanna H. Gray Fellowship, Howard Hughes Medical Institute; the National Institutes of Health; and the University of California President’s Postdoctoral Fellowship Program. Dr. Zamecnik received funding toward this study from the National Multiple Sclerosis Society and the Water Cove Charitable Foundation. He declared no competing financial interests. The other authors’ disclosures are listed on the original paper. Dr. Bebo is the executive vice president of the National Multiple Sclerosis Society, which provided support for the study. 

A version of this article appeared on Medscape.com.

A unique autoantibody signature of multiple sclerosis (MS) is detectable in the blood of people with the disease years before symptom onset, according to a new study.

Investigators screened blood samples from 250 individuals with MS drawn 5 years before and 1 year after symptom onset, profiled MS-related autoantibodies, and compared the sample with 250 matched controls.

A unique cluster of autoantibodies was found in 10% of people with MS, appearing up to 5 years before the onset of clinical symptoms and remaining higher 1 year after diagnosis. 

“Our work demonstrates that a subset of MS patients has antibodies that react to a common protein motif, both before, during, and after diagnosis and symptom onset,” said lead investigator Colin R. Zamecnik, PhD, a postdoctoral researcher at UCSF School of Medicine, University of California, San Francisco.

Such a discovery could aid in early diagnosis, Dr. Zamecnik added. MS treatments “have gotten much better in the last 15-20 years and evidence shows early treatment can improve outcomes,” he said. 

The study was published online in Nature Medicine.
 

Seeking Earlier Diagnosis

Previous research shows that nonspecific neurologic episodes occur more frequently in people who received an MS diagnosis later in life, pointing to the possibility of an MS prodrome, the authors noted.

These neurologic episodes may be indicative of ongoing neuroinflammatory processes in the preclinical period, they added. Studies in several other autoimmune diseases show that diagnostic autoantibodies can appear years before symptom onset. However, no such antibodies have previously been identified in MS patients. 

To investigate, the researchers turned to data from a large, prospective incident MS cohort assembled during the Gulf War era in more than 10 million US military veterans.

Records of those with the earliest diagnosis (an average of 5 years before symptom onset) and 1 year after the first attack were analyzed, and matched controls were selected.

Investigators used a technique called phage display immunoprecipitation sequencing to screen human blood for antibodies. They conducted a whole-proteome autoantibody screen and serum neurofilament light (sNfL) measurements on these samples in both case patients and controls at the same time points. 
 

Early Signs of Injury

In the preclinical serum samples, sNfL levels were higher nearer the date of diagnosis and significantly higher in post- versus pre-onset samples in people with MS. “Together, these data provide evidence that at least some people with MS exhibit early signs of neuroaxonal injury long before onset of symptoms,” the authors noted.

Analysis of the collection of peptides, described by the investigators as an “autoantibody signature,” was consistent over time and was present regardless of diagnosis. 

Further analysis of the autoantibodies revealed a characteristic protein motif found in common viruses, including Epstein-Barr virus (EBV) and hepatitis C virus, among others.

The motif “shares remarkable similarity to those found on many pathogens that infect humans, including EBV, which is known to be a risk factor for development of MS,” Dr. Zamecnik said.

The researchers validated these findings by analyzing serum and cerebrospinal fluid samples from participants in ORIGINS, an MS cohort at the University of California, San Francisco, that enrolled patients at clinical onset. As with the other cohort, 10% of patients had the autoantibody signature. 

The investigators added that the findings detail some of the first autoantigen-specific biomarkers found in preclinical MS. 

“Taken together, our future work will focus on profiling these patients more closely over time to see how they differ from their counterparts and gives further evidence of viral-host crosstalk as a hallmark of this disease,” Dr. Zamecnik said.
 

Not Ready for Prime Time

Commenting on the findings, Bruce Bebo, PhD, executive vice president of research, National Multiple Sclerosis Society, said the study corroborates the “growing appreciation that MS has a prodrome.” 

Such a discovery might “accelerate progress toward the possibility of treating MS ever-earlier in the course of the disease, or possibly even preventing MS from occurring in the first place,” he added.

Dr. Bebo, who was not involved in this research, noted that it was conducted at a single center, is only preliminary, and “has no immediate clinical applicability.”

Also, because this pattern was identified in only 10% of individuals with MS, “an additional hurdle is whether we can identify other patterns in greater numbers of people,” he added.

This work was supported by the Valhalla Foundation; the Weill Neurohub; the Westridge Foundation; the National Institute of Neurological Disorders and Stroke; the National Institute of Allergy and Infectious Diseases; National Multiple Sclerosis Society; the Department of Defense; the German Society of Multiple Sclerosis; the Water Cove Charitable Foundation; Tim and Laura O’Shaughnessy; the Littera Family; School of Medicine Dean’s Yearlong Fellowship, supported by residual funds from the Howard Hughes Medical Institute Medical Fellows at UCSF; the Chan Zuckerberg Biohub San Francisco; the John A. Watson Scholar Program at UCSF; the Hanna H. Gray Fellowship, Howard Hughes Medical Institute; the National Institutes of Health; and the University of California President’s Postdoctoral Fellowship Program. Dr. Zamecnik received funding toward this study from the National Multiple Sclerosis Society and the Water Cove Charitable Foundation. He declared no competing financial interests. The other authors’ disclosures are listed on the original paper. Dr. Bebo is the executive vice president of the National Multiple Sclerosis Society, which provided support for the study. 

A version of this article appeared on Medscape.com.

A unique autoantibody signature of multiple sclerosis (MS) is detectable in the blood of people with the disease years before symptom onset, according to a new study.

Investigators screened blood samples from 250 individuals with MS drawn 5 years before and 1 year after symptom onset, profiled MS-related autoantibodies, and compared the sample with 250 matched controls.

A unique cluster of autoantibodies was found in 10% of people with MS, appearing up to 5 years before the onset of clinical symptoms and remaining higher 1 year after diagnosis. 

“Our work demonstrates that a subset of MS patients has antibodies that react to a common protein motif, both before, during, and after diagnosis and symptom onset,” said lead investigator Colin R. Zamecnik, PhD, a postdoctoral researcher at UCSF School of Medicine, University of California, San Francisco.

Such a discovery could aid in early diagnosis, Dr. Zamecnik added. MS treatments “have gotten much better in the last 15-20 years and evidence shows early treatment can improve outcomes,” he said. 

The study was published online in Nature Medicine.
 

Seeking Earlier Diagnosis

Previous research shows that nonspecific neurologic episodes occur more frequently in people who received an MS diagnosis later in life, pointing to the possibility of an MS prodrome, the authors noted.

These neurologic episodes may be indicative of ongoing neuroinflammatory processes in the preclinical period, they added. Studies in several other autoimmune diseases show that diagnostic autoantibodies can appear years before symptom onset. However, no such antibodies have previously been identified in MS patients. 

To investigate, the researchers turned to data from a large, prospective incident MS cohort assembled during the Gulf War era in more than 10 million US military veterans.

Records of those with the earliest diagnosis (an average of 5 years before symptom onset) and 1 year after the first attack were analyzed, and matched controls were selected.

Investigators used a technique called phage display immunoprecipitation sequencing to screen human blood for antibodies. They conducted a whole-proteome autoantibody screen and serum neurofilament light (sNfL) measurements on these samples in both case patients and controls at the same time points. 
 

Early Signs of Injury

In the preclinical serum samples, sNfL levels were higher nearer the date of diagnosis and significantly higher in post- versus pre-onset samples in people with MS. “Together, these data provide evidence that at least some people with MS exhibit early signs of neuroaxonal injury long before onset of symptoms,” the authors noted.

Analysis of the collection of peptides, described by the investigators as an “autoantibody signature,” was consistent over time and was present regardless of diagnosis. 

Further analysis of the autoantibodies revealed a characteristic protein motif found in common viruses, including Epstein-Barr virus (EBV) and hepatitis C virus, among others.

The motif “shares remarkable similarity to those found on many pathogens that infect humans, including EBV, which is known to be a risk factor for development of MS,” Dr. Zamecnik said.

The researchers validated these findings by analyzing serum and cerebrospinal fluid samples from participants in ORIGINS, an MS cohort at the University of California, San Francisco, that enrolled patients at clinical onset. As with the other cohort, 10% of patients had the autoantibody signature. 

The investigators added that the findings detail some of the first autoantigen-specific biomarkers found in preclinical MS. 

“Taken together, our future work will focus on profiling these patients more closely over time to see how they differ from their counterparts and gives further evidence of viral-host crosstalk as a hallmark of this disease,” Dr. Zamecnik said.
 

Not Ready for Prime Time

Commenting on the findings, Bruce Bebo, PhD, executive vice president of research, National Multiple Sclerosis Society, said the study corroborates the “growing appreciation that MS has a prodrome.” 

Such a discovery might “accelerate progress toward the possibility of treating MS ever-earlier in the course of the disease, or possibly even preventing MS from occurring in the first place,” he added.

Dr. Bebo, who was not involved in this research, noted that it was conducted at a single center, is only preliminary, and “has no immediate clinical applicability.”

Also, because this pattern was identified in only 10% of individuals with MS, “an additional hurdle is whether we can identify other patterns in greater numbers of people,” he added.

This work was supported by the Valhalla Foundation; the Weill Neurohub; the Westridge Foundation; the National Institute of Neurological Disorders and Stroke; the National Institute of Allergy and Infectious Diseases; National Multiple Sclerosis Society; the Department of Defense; the German Society of Multiple Sclerosis; the Water Cove Charitable Foundation; Tim and Laura O’Shaughnessy; the Littera Family; School of Medicine Dean’s Yearlong Fellowship, supported by residual funds from the Howard Hughes Medical Institute Medical Fellows at UCSF; the Chan Zuckerberg Biohub San Francisco; the John A. Watson Scholar Program at UCSF; the Hanna H. Gray Fellowship, Howard Hughes Medical Institute; the National Institutes of Health; and the University of California President’s Postdoctoral Fellowship Program. Dr. Zamecnik received funding toward this study from the National Multiple Sclerosis Society and the Water Cove Charitable Foundation. He declared no competing financial interests. The other authors’ disclosures are listed on the original paper. Dr. Bebo is the executive vice president of the National Multiple Sclerosis Society, which provided support for the study. 

A version of this article appeared on Medscape.com.

The concept that cognitive health can be preserved or improved is often expressed as “use it or lose it.” Numerous modifiable risk factors are associated with “losing” cognitive abilities with age, and a cognitively active lifestyle may have a protective effect.

But what is a “cognitively active lifestyle” — do crosswords and Sudoku count?

One popular approach is “brain training.” While not a scientific term with an established definition, it “typically refers to tasks or drills that are designed to strengthen specific aspects of one’s cognitive function,” explained Yuko Hara, PhD, director of Aging and Alzheimer’s Prevention at the Alzheimer’s Drug Discovery Foundation.

Manuel Montero-Odasso, MD, PhD, director of the Gait and Brain Lab, Parkwood Institute, London, Ontario, Canada, elaborated: “Cognitive training involves performing a definitive task or set of tasks where you increase attentional demands to improve focus and concentration and memory. You try to execute the new things that you’ve learned and to remember them.”

In a commentary published by this news organization in 2022, neuroscientist Michael Merzenich, PhD, professor emeritus at University of California San Francisco, said that growing a person’s cognitive reserve and actively managing brain health can play an important role in preventing or delaying Alzheimer’s disease. Important components of this include brain training and physical exercise.
 

Brain Training: Mechanism of Action

Dr. Montero-Odasso, team leader at the Canadian Consortium on Neurodegeneration in Aging and team co-leader at the Ontario Neurodegenerative Research Initiative, explained that cognitive training creates new synapses in the brain, thus stimulating neuroplasticity.

“When we try to activate networks mainly in the frontal lobe, the prefrontal cortex, a key mechanism underlying this process is enhancement of the synaptic plasticity at excitatory synapses, which connect neurons into networks; in other words, we generate new synapses, and that’s how we enhance brain health and cognitive abilities.”

The more neural connections, the greater the processing speed of the brain, he continued. “Cognitive training creates an anatomical change in the brain.”

Executive functions, which include attention, inhibition, planning, and multitasking, are regulated predominantly by the prefrontal cortex. Damage in this region of the brain is also implicated in dementia. Alterations in the connectivity of this area are associated with cognitive impairment, independent of other structural pathological aberrations (eg, gray matter atrophy). These patterns may precede structural pathological changes associated with cognitive impairment and dementia.

Neuroplasticity changes have been corroborated through neuroimaging, which has demonstrated that after cognitive training, there is more activation in the prefrontal cortex that correlates with new synapses, Dr. Montero-Odasso said.

Henry Mahncke, PhD, CEO of the brain training company Posit Science/BrainHQ, explained that early research was conducted on rodents and monkeys, with Dr. Merzenich as one of the leading pioneers in developing the concept of brain plasticity. Dr. Merzenich cofounded Posit Science and is currently its chief scientific officer.

Dr. Mahncke recounted that as a graduate student, he had worked with Dr. Merzenich researching brain plasticity. When Dr. Merzenich founded Posit Science, he asked Dr. Mahncke to join the company to help develop approaches to enhance brain plasticity — building the brain-training exercises and running the clinical trials.

“It’s now well understood that the brain can rewire itself at any age and in almost any condition,” Dr. Mahncke said. “In kids and in younger and older adults, whether with healthy or unhealthy brains, the fundamental way the brain works is by continually rewiring and rebuilding itself, based on what we ask it to do.”

If we understand the principles of brain plasticity, “we can build an adaptive brain and give it exercises to rewire in a healthy direction, improving cognitive abilities like memory, speed, and attention,” Dr. Mahncke said.
 

Unsubstantiated Claims and Controversy

Brain training is not without controversy, Dr. Hara pointed out. “Some manufacturers of brain games have been criticized and even fined for making unsubstantiated claims,” she said.

A 2016 review found that brain-training interventions do improve performance on specific trained tasks, but there is less evidence that they improve performance on closely related tasks and little evidence that training improves everyday cognitive performance. A 2017 review  reached similar conclusions, calling evidence regarding prevention or delay of cognitive decline or dementia through brain games “insufficient,” although cognitive training could “improve cognition in the domain trained.”

“The general consensus is that for most brain-training programs, people may get better at specific tasks through practice, but these improvements don’t necessarily translate into improvement in other tasks that require other cognitive domains or prevention of dementia or age-related cognitive decline,” Dr. Hara said.

She noted that most brain-training programs “have not been rigorously tested in clinical trials” — although some, such as those featured in the ACTIVE trial, did show evidence of effectiveness.

Dr. Mahncke agreed. “Asking whether brain training works is like asking whether small molecules improve health,” he said noting that some brain-training programs are nonsense and not evidence based. He believes that his company’s product, BrainHQ, and some others are “backed by robust evidence in their ability to stave off, slow, or even reverse cognitive changes.”

BrainHQ is a web-based brain game suite that can be used independently as an app or in group settings (classes and webinars) and is covered by some Medicare Advantage insurance plans. It encompasses “dozens of individual brain-training exercises, linked by a common thread. Each one is intensively designed to make the brain faster and more accurate,” said Dr. Mahncke.

He explained that human brains “get noisy as people get older, like a radio which is wearing out, so there’s static in the background. This makes the music hard to hear, and in the case of the human brain, it makes it difficult to pay attention.” The exercises are “designed to tamp down the ‘noise,’ speed up the brain, and make information processing more accurate.”

Dr. Mahncke called this a “bottom-up” approach, in contrast to many previous cognitive-training approaches that come from the brain injury rehabilitation field. They teach “top-down” skills and strategies designed to compensate for deficits in specific domains, such as reading, concentration, or fine motor skills.

By contrast, the approach of BrainHQ is “to improve the overall processing system of the brain with speed, attention, working memory, and executive function, which will in turn impact all skills and activities.”
 

Supporting Evidence

Dr. Mahncke cited several supporting studies. For example, the IMPACT study randomized 487 adults (aged ≥ 65 years) to receive either a brain plasticity–based computerized cognitive training program (BrainHQ) or a novelty- and intensity-matched general cognitive stimulation treatment program (intervention and control group, respectively) for an 8-week period.

Those who underwent brain training showed significantly greater improvement in the repeatable Battery for the Assessment of Neuropsychological Status (RBANS Auditory Memory/Attention) compared with those in the control group (3.9 vs 1.8, respectively; P =.02). The intervention group also showed significant improvements on multiple secondary measures of attention and memory. The magnitude of the effect sizes suggests that the results are clinically significant, according to the authors.

The ACTIVE study tested the effects of different cognitive training programs on cognitive function and time to dementia. The researchers randomized 2802 healthy older adults (mean age, 74 years) to a control group with no cognitive training or one of three brain-training groups comprising:

1. In-person training on verbal memory skills

2. In-person training on reasoning and problem-solving

3. Computer-based speed-of-processing training on visual attention

Participants in the training groups completed 10 sessions, each lasting 60-75 minutes, over a 5- to 6-week period. A random subsample of each training group was selected to receive “booster” sessions, with four-session booster training delivered at 11 and 35 months. All study participants completed follow-up tests of cognition and function after 1, 2, 3, 5, and 10 years.

At the end of 10 years, those assigned to the speed-of-processing training, now part of BrainHQ, had a 29% lower risk for dementia than those in the control group who received no training. No reduction was found in the memory or reasoning training groups. Participants who completed the “booster” sessions had an even greater reduction: Each additional booster session was associated with a 10% lower risk for dementia.

Dr. Montero-Odasso was involved in the SYNERGIC study that randomized 175 participants with mild cognitive impairment (MCI; average age, 73 years) to one of five study arms:

1. Multidomain intervention with exercise, cognitive training, and vitamin D

2. Exercise, cognitive training, and placebo

3. Exercise, sham cognitive training, and vitamin D

4. Exercise, sham cognitive training, and placebo

5. Control group with balance-toning exercise, sham cognitive training, and placebo

“Sham” cognitive training consisted of alternating between two tasks (touristic search and video watching) performed on a tablet, with the same time exposure as the intervention training.

The researchers found that after 6 months of interventions, all active arms with aerobic-resistance exercise showed improvement in the ADAS-Cog-13, an established outcome to evaluate dementia treatments, when compared with the control group — regardless of the addition of cognitive training or vitamin D.

Compared with exercise alone (arms 3 and 4), those who did exercise plus cognitive training (arms 1 and 2) showed greater improvements in their ADAS-Cog-13l score, with a mean difference of −1.45 points (P = .02). The greatest improvement was seen in those who underwent the multidomain intervention in arm 1.

The authors noted that the mean 2.64-point improvement seen in the ADAS-Cog-13 for the multidomain intervention is actually larger than changes seen in previous pharmaceutical trials among individuals with MCI or mild dementia and “approaches” the three points considered clinically meaningful.

“We found that older adults with MCI who received aerobic-resistance exercise with sequential computerized cognitive training significantly improved cognition,” Dr. Montero-Odasso said. “The cognitive training we used was called Neuropeak, a multidomain lifestyle training delivered through a web-based platform developed by our co-leader Louis Bherer at Université de Montréal.”

He explained that the purpose “is to challenge your brain to the point where you need to make an effort to remember things, pay attention, and later to execute tasks. The evidence from clinical trials, including ours, shows this type of brain challenge is effective in slowing and even reversing cognitive decline.”

A follow-up study, SYNERGIC 2.0, is ongoing.
 

Puzzles, Board Games, and New Challenges

Formal brain-training programs aren’t the only way to improve brain plasticity, Dr. Hara said. Observational studies suggested an association between improved cognitive performance and/or lower dementia risk and engaging in number and word puzzles, such as crosswords, cards, or board games.

Some studies suggested that older adults who use technology might also protect their cognitive reserve. Dr. Hara cited a US longitudinal study of more than 18,000 older adults suggesting that regular Internet users had roughly half the risk for dementia compared to nonregular Internet users. Estimates of daily Internet use suggested a U-shaped relationship with dementia with 0.1-2.0 hours daily (excluding time spent watching television or movies online) associated with the lowest risk. Similar associations between Internet use and a lower risk for cognitive decline have been reported in the United Kingdom and Europe.

“Engaging in mentally stimulating activities can increase ‘cognitive reserve’ — meaning, capacity of the brain to resist the effects of age-related changes or disease-related pathology, such that one can maintain cognitive function for longer,” Dr. Hara said. “Cognitively stimulating activities, regardless of the type, may help delay the onset of cognitive decline.”

She listed several examples of activities that are stimulating to the brain, including learning a new game or puzzle, a new language, or a new dance, and learning how to play a musical instrument.

Dr. Montero-Odasso emphasized that the “newness” is key to increasing and preserving cognitive reserve. “Just surfing the Internet, playing word or board games, or doing crossword puzzles won’t be enough if you’ve been doing these things all your life,” he said. “It won’t hurt, of course, but it won’t necessarily increase your cognitive abilities.

“For example, a person who regularly engages in public speaking may not improve cognition by taking a public-speaking course, but someone who has never spoken before an audience might show cognitive improvements as a result of learning a new skill,” he said. “Or someone who knows several languages already might gain from learning a brand-new language.”

He cited research supporting the benefits of dancing, which he called “an ideal activity because it’s physical, so it provides the exercise that’s been associated with improved cognition. But it also requires learning new steps and moves, which builds the synapses in the brain. And the socialization of dance classes adds another component that can improve cognition.”

Dr. Mahncke hopes that beyond engaging in day-to-day new activities, seniors will participate in computerized brain training. “There’s no reason that evidence-based training can’t be offered in senior and community centers, as yoga and swimming are,” he said. “It doesn’t have to be simply something people do on their own virtually.”

Zoom classes and Medicare reimbursements are “good steps in the right direction, but it’s time to expand this potentially life-transformative intervention so that it reaches the ever-expanding population of seniors in the United States and beyond.”

Dr. Hara reported having no disclosures. Dr. Montero-Odasso reported having no commercial or financial interest related to this topic. He serves as the president of the Canadian Geriatrics Société and is team leader in the Canadian Consortium of Neurodegeneration in Aging. Dr. Mahncke is CEO of the brain training company Posit Science/BrainHQ.

A version of this article appeared on Medscape.com.

The concept that cognitive health can be preserved or improved is often expressed as “use it or lose it.” Numerous modifiable risk factors are associated with “losing” cognitive abilities with age, and a cognitively active lifestyle may have a protective effect.

But what is a “cognitively active lifestyle” — do crosswords and Sudoku count?

One popular approach is “brain training.” While not a scientific term with an established definition, it “typically refers to tasks or drills that are designed to strengthen specific aspects of one’s cognitive function,” explained Yuko Hara, PhD, director of Aging and Alzheimer’s Prevention at the Alzheimer’s Drug Discovery Foundation.

Manuel Montero-Odasso, MD, PhD, director of the Gait and Brain Lab, Parkwood Institute, London, Ontario, Canada, elaborated: “Cognitive training involves performing a definitive task or set of tasks where you increase attentional demands to improve focus and concentration and memory. You try to execute the new things that you’ve learned and to remember them.”

In a commentary published by this news organization in 2022, neuroscientist Michael Merzenich, PhD, professor emeritus at University of California San Francisco, said that growing a person’s cognitive reserve and actively managing brain health can play an important role in preventing or delaying Alzheimer’s disease. Important components of this include brain training and physical exercise.
 

Brain Training: Mechanism of Action

Dr. Montero-Odasso, team leader at the Canadian Consortium on Neurodegeneration in Aging and team co-leader at the Ontario Neurodegenerative Research Initiative, explained that cognitive training creates new synapses in the brain, thus stimulating neuroplasticity.

“When we try to activate networks mainly in the frontal lobe, the prefrontal cortex, a key mechanism underlying this process is enhancement of the synaptic plasticity at excitatory synapses, which connect neurons into networks; in other words, we generate new synapses, and that’s how we enhance brain health and cognitive abilities.”

The more neural connections, the greater the processing speed of the brain, he continued. “Cognitive training creates an anatomical change in the brain.”

Executive functions, which include attention, inhibition, planning, and multitasking, are regulated predominantly by the prefrontal cortex. Damage in this region of the brain is also implicated in dementia. Alterations in the connectivity of this area are associated with cognitive impairment, independent of other structural pathological aberrations (eg, gray matter atrophy). These patterns may precede structural pathological changes associated with cognitive impairment and dementia.

Neuroplasticity changes have been corroborated through neuroimaging, which has demonstrated that after cognitive training, there is more activation in the prefrontal cortex that correlates with new synapses, Dr. Montero-Odasso said.

Henry Mahncke, PhD, CEO of the brain training company Posit Science/BrainHQ, explained that early research was conducted on rodents and monkeys, with Dr. Merzenich as one of the leading pioneers in developing the concept of brain plasticity. Dr. Merzenich cofounded Posit Science and is currently its chief scientific officer.

Dr. Mahncke recounted that as a graduate student, he had worked with Dr. Merzenich researching brain plasticity. When Dr. Merzenich founded Posit Science, he asked Dr. Mahncke to join the company to help develop approaches to enhance brain plasticity — building the brain-training exercises and running the clinical trials.

“It’s now well understood that the brain can rewire itself at any age and in almost any condition,” Dr. Mahncke said. “In kids and in younger and older adults, whether with healthy or unhealthy brains, the fundamental way the brain works is by continually rewiring and rebuilding itself, based on what we ask it to do.”

If we understand the principles of brain plasticity, “we can build an adaptive brain and give it exercises to rewire in a healthy direction, improving cognitive abilities like memory, speed, and attention,” Dr. Mahncke said.
 

Unsubstantiated Claims and Controversy

Brain training is not without controversy, Dr. Hara pointed out. “Some manufacturers of brain games have been criticized and even fined for making unsubstantiated claims,” she said.

A 2016 review found that brain-training interventions do improve performance on specific trained tasks, but there is less evidence that they improve performance on closely related tasks and little evidence that training improves everyday cognitive performance. A 2017 review  reached similar conclusions, calling evidence regarding prevention or delay of cognitive decline or dementia through brain games “insufficient,” although cognitive training could “improve cognition in the domain trained.”

“The general consensus is that for most brain-training programs, people may get better at specific tasks through practice, but these improvements don’t necessarily translate into improvement in other tasks that require other cognitive domains or prevention of dementia or age-related cognitive decline,” Dr. Hara said.

She noted that most brain-training programs “have not been rigorously tested in clinical trials” — although some, such as those featured in the ACTIVE trial, did show evidence of effectiveness.

Dr. Mahncke agreed. “Asking whether brain training works is like asking whether small molecules improve health,” he said noting that some brain-training programs are nonsense and not evidence based. He believes that his company’s product, BrainHQ, and some others are “backed by robust evidence in their ability to stave off, slow, or even reverse cognitive changes.”

BrainHQ is a web-based brain game suite that can be used independently as an app or in group settings (classes and webinars) and is covered by some Medicare Advantage insurance plans. It encompasses “dozens of individual brain-training exercises, linked by a common thread. Each one is intensively designed to make the brain faster and more accurate,” said Dr. Mahncke.

He explained that human brains “get noisy as people get older, like a radio which is wearing out, so there’s static in the background. This makes the music hard to hear, and in the case of the human brain, it makes it difficult to pay attention.” The exercises are “designed to tamp down the ‘noise,’ speed up the brain, and make information processing more accurate.”

Dr. Mahncke called this a “bottom-up” approach, in contrast to many previous cognitive-training approaches that come from the brain injury rehabilitation field. They teach “top-down” skills and strategies designed to compensate for deficits in specific domains, such as reading, concentration, or fine motor skills.

By contrast, the approach of BrainHQ is “to improve the overall processing system of the brain with speed, attention, working memory, and executive function, which will in turn impact all skills and activities.”
 

Supporting Evidence

Dr. Mahncke cited several supporting studies. For example, the IMPACT study randomized 487 adults (aged ≥ 65 years) to receive either a brain plasticity–based computerized cognitive training program (BrainHQ) or a novelty- and intensity-matched general cognitive stimulation treatment program (intervention and control group, respectively) for an 8-week period.

Those who underwent brain training showed significantly greater improvement in the repeatable Battery for the Assessment of Neuropsychological Status (RBANS Auditory Memory/Attention) compared with those in the control group (3.9 vs 1.8, respectively; P =.02). The intervention group also showed significant improvements on multiple secondary measures of attention and memory. The magnitude of the effect sizes suggests that the results are clinically significant, according to the authors.

The ACTIVE study tested the effects of different cognitive training programs on cognitive function and time to dementia. The researchers randomized 2802 healthy older adults (mean age, 74 years) to a control group with no cognitive training or one of three brain-training groups comprising:

1. In-person training on verbal memory skills

2. In-person training on reasoning and problem-solving

3. Computer-based speed-of-processing training on visual attention

Participants in the training groups completed 10 sessions, each lasting 60-75 minutes, over a 5- to 6-week period. A random subsample of each training group was selected to receive “booster” sessions, with four-session booster training delivered at 11 and 35 months. All study participants completed follow-up tests of cognition and function after 1, 2, 3, 5, and 10 years.

At the end of 10 years, those assigned to the speed-of-processing training, now part of BrainHQ, had a 29% lower risk for dementia than those in the control group who received no training. No reduction was found in the memory or reasoning training groups. Participants who completed the “booster” sessions had an even greater reduction: Each additional booster session was associated with a 10% lower risk for dementia.

Dr. Montero-Odasso was involved in the SYNERGIC study that randomized 175 participants with mild cognitive impairment (MCI; average age, 73 years) to one of five study arms:

1. Multidomain intervention with exercise, cognitive training, and vitamin D

2. Exercise, cognitive training, and placebo

3. Exercise, sham cognitive training, and vitamin D

4. Exercise, sham cognitive training, and placebo

5. Control group with balance-toning exercise, sham cognitive training, and placebo

“Sham” cognitive training consisted of alternating between two tasks (touristic search and video watching) performed on a tablet, with the same time exposure as the intervention training.

The researchers found that after 6 months of interventions, all active arms with aerobic-resistance exercise showed improvement in the ADAS-Cog-13, an established outcome to evaluate dementia treatments, when compared with the control group — regardless of the addition of cognitive training or vitamin D.

Compared with exercise alone (arms 3 and 4), those who did exercise plus cognitive training (arms 1 and 2) showed greater improvements in their ADAS-Cog-13l score, with a mean difference of −1.45 points (P = .02). The greatest improvement was seen in those who underwent the multidomain intervention in arm 1.

The authors noted that the mean 2.64-point improvement seen in the ADAS-Cog-13 for the multidomain intervention is actually larger than changes seen in previous pharmaceutical trials among individuals with MCI or mild dementia and “approaches” the three points considered clinically meaningful.

“We found that older adults with MCI who received aerobic-resistance exercise with sequential computerized cognitive training significantly improved cognition,” Dr. Montero-Odasso said. “The cognitive training we used was called Neuropeak, a multidomain lifestyle training delivered through a web-based platform developed by our co-leader Louis Bherer at Université de Montréal.”

He explained that the purpose “is to challenge your brain to the point where you need to make an effort to remember things, pay attention, and later to execute tasks. The evidence from clinical trials, including ours, shows this type of brain challenge is effective in slowing and even reversing cognitive decline.”

A follow-up study, SYNERGIC 2.0, is ongoing.
 

Puzzles, Board Games, and New Challenges

Formal brain-training programs aren’t the only way to improve brain plasticity, Dr. Hara said. Observational studies suggested an association between improved cognitive performance and/or lower dementia risk and engaging in number and word puzzles, such as crosswords, cards, or board games.

Some studies suggested that older adults who use technology might also protect their cognitive reserve. Dr. Hara cited a US longitudinal study of more than 18,000 older adults suggesting that regular Internet users had roughly half the risk for dementia compared to nonregular Internet users. Estimates of daily Internet use suggested a U-shaped relationship with dementia with 0.1-2.0 hours daily (excluding time spent watching television or movies online) associated with the lowest risk. Similar associations between Internet use and a lower risk for cognitive decline have been reported in the United Kingdom and Europe.

“Engaging in mentally stimulating activities can increase ‘cognitive reserve’ — meaning, capacity of the brain to resist the effects of age-related changes or disease-related pathology, such that one can maintain cognitive function for longer,” Dr. Hara said. “Cognitively stimulating activities, regardless of the type, may help delay the onset of cognitive decline.”

She listed several examples of activities that are stimulating to the brain, including learning a new game or puzzle, a new language, or a new dance, and learning how to play a musical instrument.

Dr. Montero-Odasso emphasized that the “newness” is key to increasing and preserving cognitive reserve. “Just surfing the Internet, playing word or board games, or doing crossword puzzles won’t be enough if you’ve been doing these things all your life,” he said. “It won’t hurt, of course, but it won’t necessarily increase your cognitive abilities.

“For example, a person who regularly engages in public speaking may not improve cognition by taking a public-speaking course, but someone who has never spoken before an audience might show cognitive improvements as a result of learning a new skill,” he said. “Or someone who knows several languages already might gain from learning a brand-new language.”

He cited research supporting the benefits of dancing, which he called “an ideal activity because it’s physical, so it provides the exercise that’s been associated with improved cognition. But it also requires learning new steps and moves, which builds the synapses in the brain. And the socialization of dance classes adds another component that can improve cognition.”

Dr. Mahncke hopes that beyond engaging in day-to-day new activities, seniors will participate in computerized brain training. “There’s no reason that evidence-based training can’t be offered in senior and community centers, as yoga and swimming are,” he said. “It doesn’t have to be simply something people do on their own virtually.”

Zoom classes and Medicare reimbursements are “good steps in the right direction, but it’s time to expand this potentially life-transformative intervention so that it reaches the ever-expanding population of seniors in the United States and beyond.”

Dr. Hara reported having no disclosures. Dr. Montero-Odasso reported having no commercial or financial interest related to this topic. He serves as the president of the Canadian Geriatrics Société and is team leader in the Canadian Consortium of Neurodegeneration in Aging. Dr. Mahncke is CEO of the brain training company Posit Science/BrainHQ.

A version of this article appeared on Medscape.com.

The concept that cognitive health can be preserved or improved is often expressed as “use it or lose it.” Numerous modifiable risk factors are associated with “losing” cognitive abilities with age, and a cognitively active lifestyle may have a protective effect.

But what is a “cognitively active lifestyle” — do crosswords and Sudoku count?

One popular approach is “brain training.” While not a scientific term with an established definition, it “typically refers to tasks or drills that are designed to strengthen specific aspects of one’s cognitive function,” explained Yuko Hara, PhD, director of Aging and Alzheimer’s Prevention at the Alzheimer’s Drug Discovery Foundation.

Manuel Montero-Odasso, MD, PhD, director of the Gait and Brain Lab, Parkwood Institute, London, Ontario, Canada, elaborated: “Cognitive training involves performing a definitive task or set of tasks where you increase attentional demands to improve focus and concentration and memory. You try to execute the new things that you’ve learned and to remember them.”

In a commentary published by this news organization in 2022, neuroscientist Michael Merzenich, PhD, professor emeritus at University of California San Francisco, said that growing a person’s cognitive reserve and actively managing brain health can play an important role in preventing or delaying Alzheimer’s disease. Important components of this include brain training and physical exercise.
 

Brain Training: Mechanism of Action

Dr. Montero-Odasso, team leader at the Canadian Consortium on Neurodegeneration in Aging and team co-leader at the Ontario Neurodegenerative Research Initiative, explained that cognitive training creates new synapses in the brain, thus stimulating neuroplasticity.

“When we try to activate networks mainly in the frontal lobe, the prefrontal cortex, a key mechanism underlying this process is enhancement of the synaptic plasticity at excitatory synapses, which connect neurons into networks; in other words, we generate new synapses, and that’s how we enhance brain health and cognitive abilities.”

The more neural connections, the greater the processing speed of the brain, he continued. “Cognitive training creates an anatomical change in the brain.”

Executive functions, which include attention, inhibition, planning, and multitasking, are regulated predominantly by the prefrontal cortex. Damage in this region of the brain is also implicated in dementia. Alterations in the connectivity of this area are associated with cognitive impairment, independent of other structural pathological aberrations (eg, gray matter atrophy). These patterns may precede structural pathological changes associated with cognitive impairment and dementia.

Neuroplasticity changes have been corroborated through neuroimaging, which has demonstrated that after cognitive training, there is more activation in the prefrontal cortex that correlates with new synapses, Dr. Montero-Odasso said.

Henry Mahncke, PhD, CEO of the brain training company Posit Science/BrainHQ, explained that early research was conducted on rodents and monkeys, with Dr. Merzenich as one of the leading pioneers in developing the concept of brain plasticity. Dr. Merzenich cofounded Posit Science and is currently its chief scientific officer.

Dr. Mahncke recounted that as a graduate student, he had worked with Dr. Merzenich researching brain plasticity. When Dr. Merzenich founded Posit Science, he asked Dr. Mahncke to join the company to help develop approaches to enhance brain plasticity — building the brain-training exercises and running the clinical trials.

“It’s now well understood that the brain can rewire itself at any age and in almost any condition,” Dr. Mahncke said. “In kids and in younger and older adults, whether with healthy or unhealthy brains, the fundamental way the brain works is by continually rewiring and rebuilding itself, based on what we ask it to do.”

If we understand the principles of brain plasticity, “we can build an adaptive brain and give it exercises to rewire in a healthy direction, improving cognitive abilities like memory, speed, and attention,” Dr. Mahncke said.
 

Unsubstantiated Claims and Controversy

Brain training is not without controversy, Dr. Hara pointed out. “Some manufacturers of brain games have been criticized and even fined for making unsubstantiated claims,” she said.

A 2016 review found that brain-training interventions do improve performance on specific trained tasks, but there is less evidence that they improve performance on closely related tasks and little evidence that training improves everyday cognitive performance. A 2017 review  reached similar conclusions, calling evidence regarding prevention or delay of cognitive decline or dementia through brain games “insufficient,” although cognitive training could “improve cognition in the domain trained.”

“The general consensus is that for most brain-training programs, people may get better at specific tasks through practice, but these improvements don’t necessarily translate into improvement in other tasks that require other cognitive domains or prevention of dementia or age-related cognitive decline,” Dr. Hara said.

She noted that most brain-training programs “have not been rigorously tested in clinical trials” — although some, such as those featured in the ACTIVE trial, did show evidence of effectiveness.

Dr. Mahncke agreed. “Asking whether brain training works is like asking whether small molecules improve health,” he said noting that some brain-training programs are nonsense and not evidence based. He believes that his company’s product, BrainHQ, and some others are “backed by robust evidence in their ability to stave off, slow, or even reverse cognitive changes.”

BrainHQ is a web-based brain game suite that can be used independently as an app or in group settings (classes and webinars) and is covered by some Medicare Advantage insurance plans. It encompasses “dozens of individual brain-training exercises, linked by a common thread. Each one is intensively designed to make the brain faster and more accurate,” said Dr. Mahncke.

He explained that human brains “get noisy as people get older, like a radio which is wearing out, so there’s static in the background. This makes the music hard to hear, and in the case of the human brain, it makes it difficult to pay attention.” The exercises are “designed to tamp down the ‘noise,’ speed up the brain, and make information processing more accurate.”

Dr. Mahncke called this a “bottom-up” approach, in contrast to many previous cognitive-training approaches that come from the brain injury rehabilitation field. They teach “top-down” skills and strategies designed to compensate for deficits in specific domains, such as reading, concentration, or fine motor skills.

By contrast, the approach of BrainHQ is “to improve the overall processing system of the brain with speed, attention, working memory, and executive function, which will in turn impact all skills and activities.”
 

Supporting Evidence

Dr. Mahncke cited several supporting studies. For example, the IMPACT study randomized 487 adults (aged ≥ 65 years) to receive either a brain plasticity–based computerized cognitive training program (BrainHQ) or a novelty- and intensity-matched general cognitive stimulation treatment program (intervention and control group, respectively) for an 8-week period.

Those who underwent brain training showed significantly greater improvement in the repeatable Battery for the Assessment of Neuropsychological Status (RBANS Auditory Memory/Attention) compared with those in the control group (3.9 vs 1.8, respectively; P =.02). The intervention group also showed significant improvements on multiple secondary measures of attention and memory. The magnitude of the effect sizes suggests that the results are clinically significant, according to the authors.

The ACTIVE study tested the effects of different cognitive training programs on cognitive function and time to dementia. The researchers randomized 2802 healthy older adults (mean age, 74 years) to a control group with no cognitive training or one of three brain-training groups comprising:

1. In-person training on verbal memory skills

2. In-person training on reasoning and problem-solving

3. Computer-based speed-of-processing training on visual attention

Participants in the training groups completed 10 sessions, each lasting 60-75 minutes, over a 5- to 6-week period. A random subsample of each training group was selected to receive “booster” sessions, with four-session booster training delivered at 11 and 35 months. All study participants completed follow-up tests of cognition and function after 1, 2, 3, 5, and 10 years.

At the end of 10 years, those assigned to the speed-of-processing training, now part of BrainHQ, had a 29% lower risk for dementia than those in the control group who received no training. No reduction was found in the memory or reasoning training groups. Participants who completed the “booster” sessions had an even greater reduction: Each additional booster session was associated with a 10% lower risk for dementia.

Dr. Montero-Odasso was involved in the SYNERGIC study that randomized 175 participants with mild cognitive impairment (MCI; average age, 73 years) to one of five study arms:

1. Multidomain intervention with exercise, cognitive training, and vitamin D

2. Exercise, cognitive training, and placebo

3. Exercise, sham cognitive training, and vitamin D

4. Exercise, sham cognitive training, and placebo

5. Control group with balance-toning exercise, sham cognitive training, and placebo

“Sham” cognitive training consisted of alternating between two tasks (touristic search and video watching) performed on a tablet, with the same time exposure as the intervention training.

The researchers found that after 6 months of interventions, all active arms with aerobic-resistance exercise showed improvement in the ADAS-Cog-13, an established outcome to evaluate dementia treatments, when compared with the control group — regardless of the addition of cognitive training or vitamin D.

Compared with exercise alone (arms 3 and 4), those who did exercise plus cognitive training (arms 1 and 2) showed greater improvements in their ADAS-Cog-13l score, with a mean difference of −1.45 points (P = .02). The greatest improvement was seen in those who underwent the multidomain intervention in arm 1.

The authors noted that the mean 2.64-point improvement seen in the ADAS-Cog-13 for the multidomain intervention is actually larger than changes seen in previous pharmaceutical trials among individuals with MCI or mild dementia and “approaches” the three points considered clinically meaningful.

“We found that older adults with MCI who received aerobic-resistance exercise with sequential computerized cognitive training significantly improved cognition,” Dr. Montero-Odasso said. “The cognitive training we used was called Neuropeak, a multidomain lifestyle training delivered through a web-based platform developed by our co-leader Louis Bherer at Université de Montréal.”

He explained that the purpose “is to challenge your brain to the point where you need to make an effort to remember things, pay attention, and later to execute tasks. The evidence from clinical trials, including ours, shows this type of brain challenge is effective in slowing and even reversing cognitive decline.”

A follow-up study, SYNERGIC 2.0, is ongoing.
 

Puzzles, Board Games, and New Challenges

Formal brain-training programs aren’t the only way to improve brain plasticity, Dr. Hara said. Observational studies suggested an association between improved cognitive performance and/or lower dementia risk and engaging in number and word puzzles, such as crosswords, cards, or board games.

Some studies suggested that older adults who use technology might also protect their cognitive reserve. Dr. Hara cited a US longitudinal study of more than 18,000 older adults suggesting that regular Internet users had roughly half the risk for dementia compared to nonregular Internet users. Estimates of daily Internet use suggested a U-shaped relationship with dementia with 0.1-2.0 hours daily (excluding time spent watching television or movies online) associated with the lowest risk. Similar associations between Internet use and a lower risk for cognitive decline have been reported in the United Kingdom and Europe.

“Engaging in mentally stimulating activities can increase ‘cognitive reserve’ — meaning, capacity of the brain to resist the effects of age-related changes or disease-related pathology, such that one can maintain cognitive function for longer,” Dr. Hara said. “Cognitively stimulating activities, regardless of the type, may help delay the onset of cognitive decline.”

She listed several examples of activities that are stimulating to the brain, including learning a new game or puzzle, a new language, or a new dance, and learning how to play a musical instrument.

Dr. Montero-Odasso emphasized that the “newness” is key to increasing and preserving cognitive reserve. “Just surfing the Internet, playing word or board games, or doing crossword puzzles won’t be enough if you’ve been doing these things all your life,” he said. “It won’t hurt, of course, but it won’t necessarily increase your cognitive abilities.

“For example, a person who regularly engages in public speaking may not improve cognition by taking a public-speaking course, but someone who has never spoken before an audience might show cognitive improvements as a result of learning a new skill,” he said. “Or someone who knows several languages already might gain from learning a brand-new language.”

He cited research supporting the benefits of dancing, which he called “an ideal activity because it’s physical, so it provides the exercise that’s been associated with improved cognition. But it also requires learning new steps and moves, which builds the synapses in the brain. And the socialization of dance classes adds another component that can improve cognition.”

Dr. Mahncke hopes that beyond engaging in day-to-day new activities, seniors will participate in computerized brain training. “There’s no reason that evidence-based training can’t be offered in senior and community centers, as yoga and swimming are,” he said. “It doesn’t have to be simply something people do on their own virtually.”

Zoom classes and Medicare reimbursements are “good steps in the right direction, but it’s time to expand this potentially life-transformative intervention so that it reaches the ever-expanding population of seniors in the United States and beyond.”

Dr. Hara reported having no disclosures. Dr. Montero-Odasso reported having no commercial or financial interest related to this topic. He serves as the president of the Canadian Geriatrics Société and is team leader in the Canadian Consortium of Neurodegeneration in Aging. Dr. Mahncke is CEO of the brain training company Posit Science/BrainHQ.

A version of this article appeared on Medscape.com.

Adults with alcohol-related hospitalization who were discharged from the hospital with medication for alcohol use disorder (MAUD) were 51% less likely to be rehospitalized for an alcohol-related issue, new research suggested.

Despite the link to better outcomes, the analysis of 6500 Medicare Part D beneficiaries hospitalized for alcohol-related causes revealed that only 2% of patients were discharged with an MAUD prescription.

“Despite known efficacy, medication treatment for alcohol use disorder is underutilized and rarely initiated in the post-hospitalization setting,” lead author Eden Y. Bernstein, MD, a physician scientist in the Division of General Internal Medicine at Massachusetts General Hospital, Boston, said in a news release.

“Our findings highlight the potential clinical benefit associated with increased uptake of these medications in this setting and suggest a need to support and expand ongoing efforts to improve access to these medications upon hospital discharge,” Dr. Bernstein added.

The study was published online in JAMA Network Open.

MAUD prescribing or referral to addiction treatment at hospital discharge is widely recommended, investigators noted, making hospitalizations “important touch points” for alcohol use disorder (AUD) treatment engagement.

To study the association between discharge MAUD and 30-day rehospitalization, the researchers analyzed Medicare claims data from 2015 to 2017 in a retrospective study designed to emulate a randomized clinical trial of hospitalized patients with AUD.

The analysis included data on 6794 beneficiaries with 9834 hospitalizations for alcohol-related causes (median age, 54 years; 33% female; 72% White).

Researchers controlled for several covariates, including sociodemographic, clinical, and rehospitalization factors.
 

‘Sobering’ Findings

After propensity matching, discharge MAUD initiation was associated with a 42% decreased incidence of rehospitalization within 30 days of discharge (including emergency department visits and readmissions) or death within 30 days (incident rate ratio [IRR], 0.58; 95% CI, 0.45-0.76).

These findings remained consistent among secondary outcomes as well. Mortality was rare in both groups.

MAUD initiation at discharge was associated with a 51% decrease in incidence of alcohol-related return to the hospital (IRR, 0.49; 95% CI, 0.34-0.71).

Patients who received discharge MAUD were 22% more likely to have primary care or mental health follow-up visits (IRR, 1.22; 95% CI, 1.04-1.44).

Limitations noted by the authors include the observational study design and lack of information of nonpharmacologic treatment, such as 12-step facilitation or behavioral interventions.

In an accompanying editorial, Wid Yaseen, MD, of the Department of Medicine, University of Toronto, and coauthors noted that at present, most patients with AUD do not receive evidence-based treatment.

“An important first step might be reframing our mindset to consider AUD as a chronic disease,” they wrote. “We should also ask ourselves: Would we accept the status quo if only 2% of our patients with diabetes were prescribed evidence-based therapy?”

They added, “The insufficient use of MAUD is sobering and is also an enormous opportunity to do better for our patients.”

The study was funded by the Institutional National Research Service Award, Massachusetts General Hospital, the Agency for Healthcare Research and Quality, and the National Institute on Aging. Dr. Bernstein received personal fees from Alosa Health outside the submitted work, and Dr. Yaseen reported no relevant financial relationships. Full disclosures are included in the original articles.
 

A version of this article appeared on Medscape.com.

Adults with alcohol-related hospitalization who were discharged from the hospital with medication for alcohol use disorder (MAUD) were 51% less likely to be rehospitalized for an alcohol-related issue, new research suggested.

Despite the link to better outcomes, the analysis of 6500 Medicare Part D beneficiaries hospitalized for alcohol-related causes revealed that only 2% of patients were discharged with an MAUD prescription.

“Despite known efficacy, medication treatment for alcohol use disorder is underutilized and rarely initiated in the post-hospitalization setting,” lead author Eden Y. Bernstein, MD, a physician scientist in the Division of General Internal Medicine at Massachusetts General Hospital, Boston, said in a news release.

“Our findings highlight the potential clinical benefit associated with increased uptake of these medications in this setting and suggest a need to support and expand ongoing efforts to improve access to these medications upon hospital discharge,” Dr. Bernstein added.

The study was published online in JAMA Network Open.

MAUD prescribing or referral to addiction treatment at hospital discharge is widely recommended, investigators noted, making hospitalizations “important touch points” for alcohol use disorder (AUD) treatment engagement.

To study the association between discharge MAUD and 30-day rehospitalization, the researchers analyzed Medicare claims data from 2015 to 2017 in a retrospective study designed to emulate a randomized clinical trial of hospitalized patients with AUD.

The analysis included data on 6794 beneficiaries with 9834 hospitalizations for alcohol-related causes (median age, 54 years; 33% female; 72% White).

Researchers controlled for several covariates, including sociodemographic, clinical, and rehospitalization factors.
 

‘Sobering’ Findings

After propensity matching, discharge MAUD initiation was associated with a 42% decreased incidence of rehospitalization within 30 days of discharge (including emergency department visits and readmissions) or death within 30 days (incident rate ratio [IRR], 0.58; 95% CI, 0.45-0.76).

These findings remained consistent among secondary outcomes as well. Mortality was rare in both groups.

MAUD initiation at discharge was associated with a 51% decrease in incidence of alcohol-related return to the hospital (IRR, 0.49; 95% CI, 0.34-0.71).

Patients who received discharge MAUD were 22% more likely to have primary care or mental health follow-up visits (IRR, 1.22; 95% CI, 1.04-1.44).

Limitations noted by the authors include the observational study design and lack of information of nonpharmacologic treatment, such as 12-step facilitation or behavioral interventions.

In an accompanying editorial, Wid Yaseen, MD, of the Department of Medicine, University of Toronto, and coauthors noted that at present, most patients with AUD do not receive evidence-based treatment.

“An important first step might be reframing our mindset to consider AUD as a chronic disease,” they wrote. “We should also ask ourselves: Would we accept the status quo if only 2% of our patients with diabetes were prescribed evidence-based therapy?”

They added, “The insufficient use of MAUD is sobering and is also an enormous opportunity to do better for our patients.”

The study was funded by the Institutional National Research Service Award, Massachusetts General Hospital, the Agency for Healthcare Research and Quality, and the National Institute on Aging. Dr. Bernstein received personal fees from Alosa Health outside the submitted work, and Dr. Yaseen reported no relevant financial relationships. Full disclosures are included in the original articles.
 

A version of this article appeared on Medscape.com.

Adults with alcohol-related hospitalization who were discharged from the hospital with medication for alcohol use disorder (MAUD) were 51% less likely to be rehospitalized for an alcohol-related issue, new research suggested.

Despite the link to better outcomes, the analysis of 6500 Medicare Part D beneficiaries hospitalized for alcohol-related causes revealed that only 2% of patients were discharged with an MAUD prescription.

“Despite known efficacy, medication treatment for alcohol use disorder is underutilized and rarely initiated in the post-hospitalization setting,” lead author Eden Y. Bernstein, MD, a physician scientist in the Division of General Internal Medicine at Massachusetts General Hospital, Boston, said in a news release.

“Our findings highlight the potential clinical benefit associated with increased uptake of these medications in this setting and suggest a need to support and expand ongoing efforts to improve access to these medications upon hospital discharge,” Dr. Bernstein added.

The study was published online in JAMA Network Open.

MAUD prescribing or referral to addiction treatment at hospital discharge is widely recommended, investigators noted, making hospitalizations “important touch points” for alcohol use disorder (AUD) treatment engagement.

To study the association between discharge MAUD and 30-day rehospitalization, the researchers analyzed Medicare claims data from 2015 to 2017 in a retrospective study designed to emulate a randomized clinical trial of hospitalized patients with AUD.

The analysis included data on 6794 beneficiaries with 9834 hospitalizations for alcohol-related causes (median age, 54 years; 33% female; 72% White).

Researchers controlled for several covariates, including sociodemographic, clinical, and rehospitalization factors.
 

‘Sobering’ Findings

After propensity matching, discharge MAUD initiation was associated with a 42% decreased incidence of rehospitalization within 30 days of discharge (including emergency department visits and readmissions) or death within 30 days (incident rate ratio [IRR], 0.58; 95% CI, 0.45-0.76).

These findings remained consistent among secondary outcomes as well. Mortality was rare in both groups.

MAUD initiation at discharge was associated with a 51% decrease in incidence of alcohol-related return to the hospital (IRR, 0.49; 95% CI, 0.34-0.71).

Patients who received discharge MAUD were 22% more likely to have primary care or mental health follow-up visits (IRR, 1.22; 95% CI, 1.04-1.44).

Limitations noted by the authors include the observational study design and lack of information of nonpharmacologic treatment, such as 12-step facilitation or behavioral interventions.

In an accompanying editorial, Wid Yaseen, MD, of the Department of Medicine, University of Toronto, and coauthors noted that at present, most patients with AUD do not receive evidence-based treatment.

“An important first step might be reframing our mindset to consider AUD as a chronic disease,” they wrote. “We should also ask ourselves: Would we accept the status quo if only 2% of our patients with diabetes were prescribed evidence-based therapy?”

They added, “The insufficient use of MAUD is sobering and is also an enormous opportunity to do better for our patients.”

The study was funded by the Institutional National Research Service Award, Massachusetts General Hospital, the Agency for Healthcare Research and Quality, and the National Institute on Aging. Dr. Bernstein received personal fees from Alosa Health outside the submitted work, and Dr. Yaseen reported no relevant financial relationships. Full disclosures are included in the original articles.
 

A version of this article appeared on Medscape.com.

TOPLINE:

High-dose valproate is associated with weight gain in psychiatric patients, with the greatest gain reported in those taking ≥ 1300 mg/d, new data showed.

METHODOLOGY:

• The researchers used 1-year data from two longitudinal studies conducted between 2007 and 2022.
• The study included 215 patients (median age, 48 years; 50% female) who had been diagnosed with bipolar disorder (38%), schizoaffective disorders (26%), schizophrenia (17%), or other conditions (16%).
• The researchers used linear mixed-effect models and logistic regressions to analyze the association between doses of valproate and metabolic outcomes.

TAKEAWAY:

• Each 500-mg increase in valproate dose was associated with a weight increase of 0.52% per month over a year (P < .001), an association that was evident before and after 3 months of treatment.
• Weight gain was greatest for treatment durations of < 3 months (+0.56%, P < .001) compared with ≥ 3 months (+0.12%, P = .02).
• The greatest weight gain was observed in patients receiving doses ≥ 1300 mg/d, with a 0.50% increase in weight for each dose increment of 500 mg (P = .004).
• In men, each 500-mg dose was associated with an increase of 0.59%, while the trend in women was for an increase of 0.40% (P = .09).
• The researchers did not find associations between valproate doses and blood glucose, lipid levels, or blood pressure across a treatment period of 6 months.

IN PRACTICE:

“These findings underscore the need for clinicians to closely monitor patients on [valproate] for weight gain and to prescribe the lowest effective doses,” the authors wrote.

SOURCE:

Chin B. Eap, PhD, of the Unit of Pharmacogenetics and Clinical Psychopharmacology, Centre for Psychiatric Neuroscience, Department of Psychiatry, Lausanne University Hospital, University of Lausanne, and Hôpital de Cery, Prilly-Lausanne, Switzerland, was the senior and corresponding author of the study. It was published online in the Journal of Clinical Psychiatry.

LIMITATIONS:

The study demonstrates an association, not causation. Treatment compliance could not be verified, although the daily dose administered to hospitalized patients was available. The study did not include information regarding lifestyle that could affect weight gain, such as dietary habits, physical activity, and substance use.

DISCLOSURES:

This study was funded by the Swiss National Research Foundation. Dr. Eap has received honoraria for conferences from Forum pour la formation medicale, Janssen-Cilag, Lundbeck, Otsuka, Sandoz, Servier, Sunovion, Sysmex Suisse AG, Takeda, Vifor Pharma, and Zeller in the past 3 years.

A version of this article first appeared on Medscape.com.

TOPLINE:

High-dose valproate is associated with weight gain in psychiatric patients, with the greatest gain reported in those taking ≥ 1300 mg/d, new data showed.

METHODOLOGY:

• The researchers used 1-year data from two longitudinal studies conducted between 2007 and 2022.
• The study included 215 patients (median age, 48 years; 50% female) who had been diagnosed with bipolar disorder (38%), schizoaffective disorders (26%), schizophrenia (17%), or other conditions (16%).
• The researchers used linear mixed-effect models and logistic regressions to analyze the association between doses of valproate and metabolic outcomes.

TAKEAWAY:

• Each 500-mg increase in valproate dose was associated with a weight increase of 0.52% per month over a year (P < .001), an association that was evident before and after 3 months of treatment.
• Weight gain was greatest for treatment durations of < 3 months (+0.56%, P < .001) compared with ≥ 3 months (+0.12%, P = .02).
• The greatest weight gain was observed in patients receiving doses ≥ 1300 mg/d, with a 0.50% increase in weight for each dose increment of 500 mg (P = .004).
• In men, each 500-mg dose was associated with an increase of 0.59%, while the trend in women was for an increase of 0.40% (P = .09).
• The researchers did not find associations between valproate doses and blood glucose, lipid levels, or blood pressure across a treatment period of 6 months.

IN PRACTICE:

“These findings underscore the need for clinicians to closely monitor patients on [valproate] for weight gain and to prescribe the lowest effective doses,” the authors wrote.

SOURCE:

Chin B. Eap, PhD, of the Unit of Pharmacogenetics and Clinical Psychopharmacology, Centre for Psychiatric Neuroscience, Department of Psychiatry, Lausanne University Hospital, University of Lausanne, and Hôpital de Cery, Prilly-Lausanne, Switzerland, was the senior and corresponding author of the study. It was published online in the Journal of Clinical Psychiatry.

LIMITATIONS:

The study demonstrates an association, not causation. Treatment compliance could not be verified, although the daily dose administered to hospitalized patients was available. The study did not include information regarding lifestyle that could affect weight gain, such as dietary habits, physical activity, and substance use.

DISCLOSURES:

This study was funded by the Swiss National Research Foundation. Dr. Eap has received honoraria for conferences from Forum pour la formation medicale, Janssen-Cilag, Lundbeck, Otsuka, Sandoz, Servier, Sunovion, Sysmex Suisse AG, Takeda, Vifor Pharma, and Zeller in the past 3 years.

A version of this article first appeared on Medscape.com.

TOPLINE:

High-dose valproate is associated with weight gain in psychiatric patients, with the greatest gain reported in those taking ≥ 1300 mg/d, new data showed.

METHODOLOGY:

• The researchers used 1-year data from two longitudinal studies conducted between 2007 and 2022.
• The study included 215 patients (median age, 48 years; 50% female) who had been diagnosed with bipolar disorder (38%), schizoaffective disorders (26%), schizophrenia (17%), or other conditions (16%).
• The researchers used linear mixed-effect models and logistic regressions to analyze the association between doses of valproate and metabolic outcomes.

TAKEAWAY:

• Each 500-mg increase in valproate dose was associated with a weight increase of 0.52% per month over a year (P < .001), an association that was evident before and after 3 months of treatment.
• Weight gain was greatest for treatment durations of < 3 months (+0.56%, P < .001) compared with ≥ 3 months (+0.12%, P = .02).
• The greatest weight gain was observed in patients receiving doses ≥ 1300 mg/d, with a 0.50% increase in weight for each dose increment of 500 mg (P = .004).
• In men, each 500-mg dose was associated with an increase of 0.59%, while the trend in women was for an increase of 0.40% (P = .09).
• The researchers did not find associations between valproate doses and blood glucose, lipid levels, or blood pressure across a treatment period of 6 months.

IN PRACTICE:

“These findings underscore the need for clinicians to closely monitor patients on [valproate] for weight gain and to prescribe the lowest effective doses,” the authors wrote.

SOURCE:

Chin B. Eap, PhD, of the Unit of Pharmacogenetics and Clinical Psychopharmacology, Centre for Psychiatric Neuroscience, Department of Psychiatry, Lausanne University Hospital, University of Lausanne, and Hôpital de Cery, Prilly-Lausanne, Switzerland, was the senior and corresponding author of the study. It was published online in the Journal of Clinical Psychiatry.

LIMITATIONS:

The study demonstrates an association, not causation. Treatment compliance could not be verified, although the daily dose administered to hospitalized patients was available. The study did not include information regarding lifestyle that could affect weight gain, such as dietary habits, physical activity, and substance use.

DISCLOSURES:

This study was funded by the Swiss National Research Foundation. Dr. Eap has received honoraria for conferences from Forum pour la formation medicale, Janssen-Cilag, Lundbeck, Otsuka, Sandoz, Servier, Sunovion, Sysmex Suisse AG, Takeda, Vifor Pharma, and Zeller in the past 3 years.

A version of this article first appeared on Medscape.com.

Combining D-limonene, a naturally occurring terpene in cannabis, with delta-9-tetrahydrocannabinol (THC), the primary psychoactive component in cannabis, may mitigate THC-induced anxiety, new data from a small study suggested.

Participants who inhaled vaporized D-limonene and THC reported significantly greater decreases in anxiogenic effects than did people who received either component alone or a placebo. Reductions were greater as the dose of the D-limonene was increased.

Investigators noted that the findings could have implications for the use of medicinal or recreational cannabis, which has increased in recent years due to state legalization efforts.

“People use cannabis to help reduce anxiety, depression, and posttraumatic stress disorder, but since THC levels vary widely, if a person overshoots their tolerance of THC, cannabis can induce anxiety rather than relieve it,” senior investigator Ryan Vandrey, PhD, professor of psychiatry and behavioral sciences, Johns Hopkins School of Medicine, Baltimore, said in a news release.

“Our study demonstrates that D-limonene can modulate the effects of THC in a meaningful way and make THC more tolerable to people using it for both therapeutic and non-therapeutic purposes,” he added.

The study was published online in Drug and Alcohol Dependence.
 

Entourage Theory

Cannabis legalization has opened the door to an increased range of medicinal and nonmedicinal uses, but its benefits can be limited by the anxiety and panic some people experience with its use, investigators noted.

Many cannabis plants have been bred to contain higher concentrations of THC, with some dispensaries selling cannabis with more than 20%-30% THC. The plants often include cannabidiol, “minor” cannabinoids, and terpenes, such as D-limonene.

Prior studies pointed to THC as the cause of acute behavioral and psychoactive effects some cannabis users experience. However, a new, untested theory, the “cannabis entourage effect theory,” suggested other components in cannabis, including D-limonene, may contribute to the anxiogenic symptoms.

“We were motivated by scientific publications that hypothesized D-limonene can attenuate the acute anxiogenic effects of cannabis, but for which empirical data did not exist,” Dr. Vandrey said.

Investigators designed a small double-blind, within-subjects crossover study of 20 healthy adults (median age, 26 years; 50% men). About half of participants were Caucasian/non-Hispanic, 30% African American/non-Hispanic, 10% Caucasian/Hispanic, and 10% Asian/non-Hispanic.

All participants completed nine outpatient drug administration sessions, during which they inhaled vaporized D-limonene alone (1 or 5 mg), THC alone (15 or 30 mg), the same doses of THC and D-limonene together, or placebo.

Primary outcomes included subjective drug effects, measured with the Drug Effect Questionnaire (DEQ) and the 20-item state subscale of the State-Trait Anxiety Inventory (STAI-S). Investigators also measured cognitive/psychomotor performance with the Digit Symbol Substitution Task (DSST) and the Paced Serial Addition Task.

Vital signs such as heart rate, systolic blood pressure (SBP), diastolic blood pressure (DBP), and plasma D-limonene and THC concentrations were also tracked.

Participants’ responses were measured at baseline and then an additional nine times after initial exposure over the course of each 6-hour test session. Blood and urine samples were collected from participants before, during, and after each session.
 

First Evidence

There were no significant differences in outcomes between the D-limonene alone and placebo groups.

Receipt of 15- and 30-mg doses of THC alone was associated with subjective reports of acute cannabis exposure, including cognitive and physiological effects.

A treatment effect was observed for “anxious/nervous” (P < .01), “paranoid” (P < .01), and “heart racing” (P < .0001).

In planned comparisons, ratings of anxiety-like subjective effects qualitatively decreased as D-limonene dose increased, and concurrent administration of 30-mg THC plus 15-mg D-limonene significantly reduced ratings of “anxious/nervous” and “paranoid” on the DEQ compared to 30 mg of THC alone (P < .05).

Findings were similar on the composite score of the STAI-S, and although planned comparisons did not reach the threshold for statistical significance, reductions in anxiety approached significance in the THC plus D-limonene group compared with the THC alone condition (P = .08). The combination group also reported significantly lower subjective ratings of unpleasant drug effects than the THC alone group (P = .03).

In particular, a main effect of treatment was found for the anxious/nervous category on the DEQ (P < .01), as well as the “paranoid” (P < .01) and heart racing (P < .0001) categories.

On the other hand, ratings of anxious/nervous and paranoid categories were significantly lower in the 30-mg THC plus 15-mg D-limonene vs the 30-mg THC alone condition (P < .05, for all).

As for cognition, following drug administration, a significant main effect of treatment was observed for the DSST (P < .05), but no significant differences between THC and THC plus D-limonene combination conditions or between D-limonene alone and placebo were detected.

There were no differences within each THC dose and between D-limonene alone versus placebo conditions. Moreover, there were no main effects of treatment found for SBP or DBP.

The combination condition produced significantly greater concentrations of THC than the THC alone condition (P < .05).

“This study provides the first evidence that there are chemical constituents found naturally in the cannabis plant that can reduce some of the adverse effects of using delta-9-THC,” Dr. Vandrey said.

Although the exact mechanism by which vaporized D-limonene counters the anxiogenic effects of THC is unclear, “our best guess is that D-limonene is producing an anxiolytic effect on its own that is not mediated by cannabinoid receptors,” Dr. Vandrey said.
 

Significant Impact

Commenting on the research, Joshua Lile, PhD, professor, Department of Behavioral Science, University of Kentucky College of Medicine, Lexington, noted that the study seems to be the first of its kind to study the influence of terpene on THC response.

The research “makes a significant impact on our field,” and is “among the few controlled clinical studies that have demonstrated interactions between THC and other cannabis constituents, supporting the validity of the ‘entourage’ effect,” said Dr. Lile, who was not involved with the current research.

“This work is particularly important, given the unfounded claims sometimes made by the cannabis industry regarding the effects of different cannabis products,” he added.

Also commenting on the study, Ziva Cooper, PhD, professor and director of the UCLA Center for Cannabis and Cannabinoids, University of California Los Angeles, said the findings “have direct implications for improving the safety of cannabis, whether it’s being used for medical or nonmedical purposes, especially in people and patients who do not have experience with cannabis, a group that is at high risk for experiencing anxiety after using cannabis.”

In addition, “an important aspect to this study is that the effects of limonene in reducing anxiety attributed to delta-9-THC were observed at higher concentrations (or doses) than those usually present in the plant,” Dr. Copper said. “This calls for further investigation into new cannabis formulations specifically designed to leverage the potential protective effects of the terpene.”

This research was supported by the National Institute on Drug Abuse. Dr. Vandrey served as a consultant or received honoraria from Mira1a Therapeutics, Inc.; Jazz Pharmaceuticals; Charlotte’s Web; Syqe Medical Ltd.; and WebMD. The other authors’ disclosures are listed on the original paper. Dr. Lile declared no relevant financial relationships. Dr. Cooper reported receiving study drug from Canopy Growth Corp and True Terpenes, study-related materials from Storz & Bickel, and research support from the National Institute on Drug Abuse, National Center for Complementary and Integrative Health, California Department of Cannabis Control, Center for Medicinal Cannabis Research, and California Highway Patrol.
 

A version of this article appeared on Medscape.com.

Combining D-limonene, a naturally occurring terpene in cannabis, with delta-9-tetrahydrocannabinol (THC), the primary psychoactive component in cannabis, may mitigate THC-induced anxiety, new data from a small study suggested.

Participants who inhaled vaporized D-limonene and THC reported significantly greater decreases in anxiogenic effects than did people who received either component alone or a placebo. Reductions were greater as the dose of the D-limonene was increased.

Investigators noted that the findings could have implications for the use of medicinal or recreational cannabis, which has increased in recent years due to state legalization efforts.

“People use cannabis to help reduce anxiety, depression, and posttraumatic stress disorder, but since THC levels vary widely, if a person overshoots their tolerance of THC, cannabis can induce anxiety rather than relieve it,” senior investigator Ryan Vandrey, PhD, professor of psychiatry and behavioral sciences, Johns Hopkins School of Medicine, Baltimore, said in a news release.

“Our study demonstrates that D-limonene can modulate the effects of THC in a meaningful way and make THC more tolerable to people using it for both therapeutic and non-therapeutic purposes,” he added.

The study was published online in Drug and Alcohol Dependence.
 

Entourage Theory

Cannabis legalization has opened the door to an increased range of medicinal and nonmedicinal uses, but its benefits can be limited by the anxiety and panic some people experience with its use, investigators noted.

Many cannabis plants have been bred to contain higher concentrations of THC, with some dispensaries selling cannabis with more than 20%-30% THC. The plants often include cannabidiol, “minor” cannabinoids, and terpenes, such as D-limonene.

Prior studies pointed to THC as the cause of acute behavioral and psychoactive effects some cannabis users experience. However, a new, untested theory, the “cannabis entourage effect theory,” suggested other components in cannabis, including D-limonene, may contribute to the anxiogenic symptoms.

“We were motivated by scientific publications that hypothesized D-limonene can attenuate the acute anxiogenic effects of cannabis, but for which empirical data did not exist,” Dr. Vandrey said.

Investigators designed a small double-blind, within-subjects crossover study of 20 healthy adults (median age, 26 years; 50% men). About half of participants were Caucasian/non-Hispanic, 30% African American/non-Hispanic, 10% Caucasian/Hispanic, and 10% Asian/non-Hispanic.

All participants completed nine outpatient drug administration sessions, during which they inhaled vaporized D-limonene alone (1 or 5 mg), THC alone (15 or 30 mg), the same doses of THC and D-limonene together, or placebo.

Primary outcomes included subjective drug effects, measured with the Drug Effect Questionnaire (DEQ) and the 20-item state subscale of the State-Trait Anxiety Inventory (STAI-S). Investigators also measured cognitive/psychomotor performance with the Digit Symbol Substitution Task (DSST) and the Paced Serial Addition Task.

Vital signs such as heart rate, systolic blood pressure (SBP), diastolic blood pressure (DBP), and plasma D-limonene and THC concentrations were also tracked.

Participants’ responses were measured at baseline and then an additional nine times after initial exposure over the course of each 6-hour test session. Blood and urine samples were collected from participants before, during, and after each session.
 

First Evidence

There were no significant differences in outcomes between the D-limonene alone and placebo groups.

Receipt of 15- and 30-mg doses of THC alone was associated with subjective reports of acute cannabis exposure, including cognitive and physiological effects.

A treatment effect was observed for “anxious/nervous” (P < .01), “paranoid” (P < .01), and “heart racing” (P < .0001).

In planned comparisons, ratings of anxiety-like subjective effects qualitatively decreased as D-limonene dose increased, and concurrent administration of 30-mg THC plus 15-mg D-limonene significantly reduced ratings of “anxious/nervous” and “paranoid” on the DEQ compared to 30 mg of THC alone (P < .05).

Findings were similar on the composite score of the STAI-S, and although planned comparisons did not reach the threshold for statistical significance, reductions in anxiety approached significance in the THC plus D-limonene group compared with the THC alone condition (P = .08). The combination group also reported significantly lower subjective ratings of unpleasant drug effects than the THC alone group (P = .03).

In particular, a main effect of treatment was found for the anxious/nervous category on the DEQ (P < .01), as well as the “paranoid” (P < .01) and heart racing (P < .0001) categories.

On the other hand, ratings of anxious/nervous and paranoid categories were significantly lower in the 30-mg THC plus 15-mg D-limonene vs the 30-mg THC alone condition (P < .05, for all).

As for cognition, following drug administration, a significant main effect of treatment was observed for the DSST (P < .05), but no significant differences between THC and THC plus D-limonene combination conditions or between D-limonene alone and placebo were detected.

There were no differences within each THC dose and between D-limonene alone versus placebo conditions. Moreover, there were no main effects of treatment found for SBP or DBP.

The combination condition produced significantly greater concentrations of THC than the THC alone condition (P < .05).

“This study provides the first evidence that there are chemical constituents found naturally in the cannabis plant that can reduce some of the adverse effects of using delta-9-THC,” Dr. Vandrey said.

Although the exact mechanism by which vaporized D-limonene counters the anxiogenic effects of THC is unclear, “our best guess is that D-limonene is producing an anxiolytic effect on its own that is not mediated by cannabinoid receptors,” Dr. Vandrey said.
 

Significant Impact

Commenting on the research, Joshua Lile, PhD, professor, Department of Behavioral Science, University of Kentucky College of Medicine, Lexington, noted that the study seems to be the first of its kind to study the influence of terpene on THC response.

The research “makes a significant impact on our field,” and is “among the few controlled clinical studies that have demonstrated interactions between THC and other cannabis constituents, supporting the validity of the ‘entourage’ effect,” said Dr. Lile, who was not involved with the current research.

“This work is particularly important, given the unfounded claims sometimes made by the cannabis industry regarding the effects of different cannabis products,” he added.

Also commenting on the study, Ziva Cooper, PhD, professor and director of the UCLA Center for Cannabis and Cannabinoids, University of California Los Angeles, said the findings “have direct implications for improving the safety of cannabis, whether it’s being used for medical or nonmedical purposes, especially in people and patients who do not have experience with cannabis, a group that is at high risk for experiencing anxiety after using cannabis.”

In addition, “an important aspect to this study is that the effects of limonene in reducing anxiety attributed to delta-9-THC were observed at higher concentrations (or doses) than those usually present in the plant,” Dr. Copper said. “This calls for further investigation into new cannabis formulations specifically designed to leverage the potential protective effects of the terpene.”

This research was supported by the National Institute on Drug Abuse. Dr. Vandrey served as a consultant or received honoraria from Mira1a Therapeutics, Inc.; Jazz Pharmaceuticals; Charlotte’s Web; Syqe Medical Ltd.; and WebMD. The other authors’ disclosures are listed on the original paper. Dr. Lile declared no relevant financial relationships. Dr. Cooper reported receiving study drug from Canopy Growth Corp and True Terpenes, study-related materials from Storz & Bickel, and research support from the National Institute on Drug Abuse, National Center for Complementary and Integrative Health, California Department of Cannabis Control, Center for Medicinal Cannabis Research, and California Highway Patrol.
 

A version of this article appeared on Medscape.com.

Combining D-limonene, a naturally occurring terpene in cannabis, with delta-9-tetrahydrocannabinol (THC), the primary psychoactive component in cannabis, may mitigate THC-induced anxiety, new data from a small study suggested.

Participants who inhaled vaporized D-limonene and THC reported significantly greater decreases in anxiogenic effects than did people who received either component alone or a placebo. Reductions were greater as the dose of the D-limonene was increased.

Investigators noted that the findings could have implications for the use of medicinal or recreational cannabis, which has increased in recent years due to state legalization efforts.

“People use cannabis to help reduce anxiety, depression, and posttraumatic stress disorder, but since THC levels vary widely, if a person overshoots their tolerance of THC, cannabis can induce anxiety rather than relieve it,” senior investigator Ryan Vandrey, PhD, professor of psychiatry and behavioral sciences, Johns Hopkins School of Medicine, Baltimore, said in a news release.

“Our study demonstrates that D-limonene can modulate the effects of THC in a meaningful way and make THC more tolerable to people using it for both therapeutic and non-therapeutic purposes,” he added.

The study was published online in Drug and Alcohol Dependence.
 

Entourage Theory

Cannabis legalization has opened the door to an increased range of medicinal and nonmedicinal uses, but its benefits can be limited by the anxiety and panic some people experience with its use, investigators noted.

Many cannabis plants have been bred to contain higher concentrations of THC, with some dispensaries selling cannabis with more than 20%-30% THC. The plants often include cannabidiol, “minor” cannabinoids, and terpenes, such as D-limonene.

Prior studies pointed to THC as the cause of acute behavioral and psychoactive effects some cannabis users experience. However, a new, untested theory, the “cannabis entourage effect theory,” suggested other components in cannabis, including D-limonene, may contribute to the anxiogenic symptoms.

“We were motivated by scientific publications that hypothesized D-limonene can attenuate the acute anxiogenic effects of cannabis, but for which empirical data did not exist,” Dr. Vandrey said.

Investigators designed a small double-blind, within-subjects crossover study of 20 healthy adults (median age, 26 years; 50% men). About half of participants were Caucasian/non-Hispanic, 30% African American/non-Hispanic, 10% Caucasian/Hispanic, and 10% Asian/non-Hispanic.

All participants completed nine outpatient drug administration sessions, during which they inhaled vaporized D-limonene alone (1 or 5 mg), THC alone (15 or 30 mg), the same doses of THC and D-limonene together, or placebo.

Primary outcomes included subjective drug effects, measured with the Drug Effect Questionnaire (DEQ) and the 20-item state subscale of the State-Trait Anxiety Inventory (STAI-S). Investigators also measured cognitive/psychomotor performance with the Digit Symbol Substitution Task (DSST) and the Paced Serial Addition Task.

Vital signs such as heart rate, systolic blood pressure (SBP), diastolic blood pressure (DBP), and plasma D-limonene and THC concentrations were also tracked.

Participants’ responses were measured at baseline and then an additional nine times after initial exposure over the course of each 6-hour test session. Blood and urine samples were collected from participants before, during, and after each session.
 

First Evidence

There were no significant differences in outcomes between the D-limonene alone and placebo groups.

Receipt of 15- and 30-mg doses of THC alone was associated with subjective reports of acute cannabis exposure, including cognitive and physiological effects.

A treatment effect was observed for “anxious/nervous” (P < .01), “paranoid” (P < .01), and “heart racing” (P < .0001).

In planned comparisons, ratings of anxiety-like subjective effects qualitatively decreased as D-limonene dose increased, and concurrent administration of 30-mg THC plus 15-mg D-limonene significantly reduced ratings of “anxious/nervous” and “paranoid” on the DEQ compared to 30 mg of THC alone (P < .05).

Findings were similar on the composite score of the STAI-S, and although planned comparisons did not reach the threshold for statistical significance, reductions in anxiety approached significance in the THC plus D-limonene group compared with the THC alone condition (P = .08). The combination group also reported significantly lower subjective ratings of unpleasant drug effects than the THC alone group (P = .03).

In particular, a main effect of treatment was found for the anxious/nervous category on the DEQ (P < .01), as well as the “paranoid” (P < .01) and heart racing (P < .0001) categories.

On the other hand, ratings of anxious/nervous and paranoid categories were significantly lower in the 30-mg THC plus 15-mg D-limonene vs the 30-mg THC alone condition (P < .05, for all).

As for cognition, following drug administration, a significant main effect of treatment was observed for the DSST (P < .05), but no significant differences between THC and THC plus D-limonene combination conditions or between D-limonene alone and placebo were detected.

There were no differences within each THC dose and between D-limonene alone versus placebo conditions. Moreover, there were no main effects of treatment found for SBP or DBP.

The combination condition produced significantly greater concentrations of THC than the THC alone condition (P < .05).

“This study provides the first evidence that there are chemical constituents found naturally in the cannabis plant that can reduce some of the adverse effects of using delta-9-THC,” Dr. Vandrey said.

Although the exact mechanism by which vaporized D-limonene counters the anxiogenic effects of THC is unclear, “our best guess is that D-limonene is producing an anxiolytic effect on its own that is not mediated by cannabinoid receptors,” Dr. Vandrey said.
 

Significant Impact

Commenting on the research, Joshua Lile, PhD, professor, Department of Behavioral Science, University of Kentucky College of Medicine, Lexington, noted that the study seems to be the first of its kind to study the influence of terpene on THC response.

The research “makes a significant impact on our field,” and is “among the few controlled clinical studies that have demonstrated interactions between THC and other cannabis constituents, supporting the validity of the ‘entourage’ effect,” said Dr. Lile, who was not involved with the current research.

“This work is particularly important, given the unfounded claims sometimes made by the cannabis industry regarding the effects of different cannabis products,” he added.

Also commenting on the study, Ziva Cooper, PhD, professor and director of the UCLA Center for Cannabis and Cannabinoids, University of California Los Angeles, said the findings “have direct implications for improving the safety of cannabis, whether it’s being used for medical or nonmedical purposes, especially in people and patients who do not have experience with cannabis, a group that is at high risk for experiencing anxiety after using cannabis.”

In addition, “an important aspect to this study is that the effects of limonene in reducing anxiety attributed to delta-9-THC were observed at higher concentrations (or doses) than those usually present in the plant,” Dr. Copper said. “This calls for further investigation into new cannabis formulations specifically designed to leverage the potential protective effects of the terpene.”

This research was supported by the National Institute on Drug Abuse. Dr. Vandrey served as a consultant or received honoraria from Mira1a Therapeutics, Inc.; Jazz Pharmaceuticals; Charlotte’s Web; Syqe Medical Ltd.; and WebMD. The other authors’ disclosures are listed on the original paper. Dr. Lile declared no relevant financial relationships. Dr. Cooper reported receiving study drug from Canopy Growth Corp and True Terpenes, study-related materials from Storz & Bickel, and research support from the National Institute on Drug Abuse, National Center for Complementary and Integrative Health, California Department of Cannabis Control, Center for Medicinal Cannabis Research, and California Highway Patrol.
 

A version of this article appeared on Medscape.com.

TOPLINE:

Black patients with schizophrenia are less likely to receive a clozapine prescription compared with White patients, a new study shows. The findings held even after the researchers controlled for demographic variables, social determinants of health, and care access patterns.

METHODOLOGY:

• The study drew on structured electronic health record data on 3160 adult patients with schizophrenia.
• The mean age at first recorded diagnosis was 39.5 years; 70% of participants were male, 53% Black, and 91% resided in an urban setting.
• The researchers used the social vulnerability index (SVI) to quantify social determinants of health.
• Descriptive data analysis, logistic regression, and sensitivity analysis were used to identify differences between those who received a clozapine prescription and those who were prescribed antipsychotic medications other than clozapine.

TAKEAWAY:

• Overall, 401 patients received a clozapine prescription, 51% of whom were White and 40% were Black.
• Moreover, 19% of all White patients in the study received clozapine vs 10% of Black patients.
• After the researchers controlled for demographic variables, SVI scores, and care patterns, White patients were significantly more likely to receive a clozapine prescription than Black patients (adjusted odds ratio [aOR], 1.71; P < .001).
• Factors that had a statistically significant influence on the likelihood of receiving a clozapine prescription were minority status and language (OR, 2.97; P < .007), treatment duration (OR, 1.36; P < .001), and socioeconomic status (OR, 0.27; P = .001).

IN PRACTICE:

“The reasons for the underprescription of clozapine among Black patients with schizophrenia are multifactorial and may include concerns about benign ethnic neutropenia, prescriber bias, prescribers’ anticipation of patients’ nonadherence to the treatment, and the notion that the medication is less effective for Black patients,” the authors wrote.

SOURCE:

Xiaoming Zeng, MD, PhD, professor of psychiatry, University of North Carolina, Chapel Hill, North Carolina, was the senior and corresponding on the study. It was published online on March 19 in Psychiatric Services.

LIMITATIONS:

Due to the study’s cross-sectional and single-site design, the findings may not be generalizable to other geographic areas or institutions. The study lacked information on substance use disorders, common health conditions, or other patient-level data. A question remains whether all patients who received clozapine actually had treatment-resistant schizophrenia because other research has shown that there is an overdiagnosis of schizophrenia among Black patients.

DISCLOSURES:

The study was supported by a grant from the Foundation of Hope. Dr. Zeng reported no relevant financial relationships. The other authors’ disclosures are listed on the original paper.

A version of this article appeared on Medscape.com.

TOPLINE:

Black patients with schizophrenia are less likely to receive a clozapine prescription compared with White patients, a new study shows. The findings held even after the researchers controlled for demographic variables, social determinants of health, and care access patterns.

METHODOLOGY:

• The study drew on structured electronic health record data on 3160 adult patients with schizophrenia.
• The mean age at first recorded diagnosis was 39.5 years; 70% of participants were male, 53% Black, and 91% resided in an urban setting.
• The researchers used the social vulnerability index (SVI) to quantify social determinants of health.
• Descriptive data analysis, logistic regression, and sensitivity analysis were used to identify differences between those who received a clozapine prescription and those who were prescribed antipsychotic medications other than clozapine.

TAKEAWAY:

• Overall, 401 patients received a clozapine prescription, 51% of whom were White and 40% were Black.
• Moreover, 19% of all White patients in the study received clozapine vs 10% of Black patients.
• After the researchers controlled for demographic variables, SVI scores, and care patterns, White patients were significantly more likely to receive a clozapine prescription than Black patients (adjusted odds ratio [aOR], 1.71; P < .001).
• Factors that had a statistically significant influence on the likelihood of receiving a clozapine prescription were minority status and language (OR, 2.97; P < .007), treatment duration (OR, 1.36; P < .001), and socioeconomic status (OR, 0.27; P = .001).

IN PRACTICE:

“The reasons for the underprescription of clozapine among Black patients with schizophrenia are multifactorial and may include concerns about benign ethnic neutropenia, prescriber bias, prescribers’ anticipation of patients’ nonadherence to the treatment, and the notion that the medication is less effective for Black patients,” the authors wrote.

SOURCE:

Xiaoming Zeng, MD, PhD, professor of psychiatry, University of North Carolina, Chapel Hill, North Carolina, was the senior and corresponding on the study. It was published online on March 19 in Psychiatric Services.

LIMITATIONS:

Due to the study’s cross-sectional and single-site design, the findings may not be generalizable to other geographic areas or institutions. The study lacked information on substance use disorders, common health conditions, or other patient-level data. A question remains whether all patients who received clozapine actually had treatment-resistant schizophrenia because other research has shown that there is an overdiagnosis of schizophrenia among Black patients.

DISCLOSURES:

The study was supported by a grant from the Foundation of Hope. Dr. Zeng reported no relevant financial relationships. The other authors’ disclosures are listed on the original paper.

A version of this article appeared on Medscape.com.

TOPLINE:

Black patients with schizophrenia are less likely to receive a clozapine prescription compared with White patients, a new study shows. The findings held even after the researchers controlled for demographic variables, social determinants of health, and care access patterns.

METHODOLOGY:

• The study drew on structured electronic health record data on 3160 adult patients with schizophrenia.
• The mean age at first recorded diagnosis was 39.5 years; 70% of participants were male, 53% Black, and 91% resided in an urban setting.
• The researchers used the social vulnerability index (SVI) to quantify social determinants of health.
• Descriptive data analysis, logistic regression, and sensitivity analysis were used to identify differences between those who received a clozapine prescription and those who were prescribed antipsychotic medications other than clozapine.

TAKEAWAY:

• Overall, 401 patients received a clozapine prescription, 51% of whom were White and 40% were Black.
• Moreover, 19% of all White patients in the study received clozapine vs 10% of Black patients.
• After the researchers controlled for demographic variables, SVI scores, and care patterns, White patients were significantly more likely to receive a clozapine prescription than Black patients (adjusted odds ratio [aOR], 1.71; P < .001).
• Factors that had a statistically significant influence on the likelihood of receiving a clozapine prescription were minority status and language (OR, 2.97; P < .007), treatment duration (OR, 1.36; P < .001), and socioeconomic status (OR, 0.27; P = .001).

IN PRACTICE:

“The reasons for the underprescription of clozapine among Black patients with schizophrenia are multifactorial and may include concerns about benign ethnic neutropenia, prescriber bias, prescribers’ anticipation of patients’ nonadherence to the treatment, and the notion that the medication is less effective for Black patients,” the authors wrote.

SOURCE:

Xiaoming Zeng, MD, PhD, professor of psychiatry, University of North Carolina, Chapel Hill, North Carolina, was the senior and corresponding on the study. It was published online on March 19 in Psychiatric Services.

LIMITATIONS:

Due to the study’s cross-sectional and single-site design, the findings may not be generalizable to other geographic areas or institutions. The study lacked information on substance use disorders, common health conditions, or other patient-level data. A question remains whether all patients who received clozapine actually had treatment-resistant schizophrenia because other research has shown that there is an overdiagnosis of schizophrenia among Black patients.

DISCLOSURES:

The study was supported by a grant from the Foundation of Hope. Dr. Zeng reported no relevant financial relationships. The other authors’ disclosures are listed on the original paper.

A version of this article appeared on Medscape.com.

TOPLINE:

Over time, exercising at least twice a week is associated with significantly fewer insomnia symptoms and better sleep duration, new research shows.

METHODOLOGY:

• The study included 4339 adults aged 39-67 years (48% men) from 21 centers in nine countries participating in the third follow-up to the European Community Respiratory Health Survey (ECRHS III).
• Participants responded to questions about physical activity, insomnia symptoms, sleep duration, and daytime sleepiness at 10-year follow-up.
• Being “physically active” was defined as exercising with a frequency of at least twice a week for ≥ 1 hour per week.
• The main outcome measures were insomnia, sleep time, and daytime sleepiness in relation to physical activity.

TAKEAWAY:

• From baseline to follow-up, 37% of participants were persistently inactive, 25% were persistently active, 20% became inactive, and 18% became active.
• After adjustment for age, sex, body mass index, smoking history, and study center, persistently active participants were less likely to report difficulties with sleep initiation (adjusted odds ratio [aOR], 0.60; 95% CI, 0.45-0.78), with short sleep duration of ≤ 6 hours/night (aOR, 0.71; 95% CI, 0.59-0.85) and long sleep of ≥ 9 hours/night (aOR, 0.53; 95% CI, 0.33-0.84), compared with persistently nonactive subjects.
• Those who were persistently active were 22% less likely to report any symptoms of insomnia, 40% less likely to report two symptoms, and 37% less likely to report three symptoms.
• Daytime sleepiness and difficulties maintaining sleep were found to be unrelated to physical activity status.

IN PRACTICE:

“This study has a long follow-up period (10 years) and indicates strongly that consistency in physical activity might be an important factor in optimizing sleep duration and reducing the symptoms of insomnia,” the authors wrote.

SOURCE:

Erla Björnsdóttir, of the Department of Psychology, Reykjavik University, Reykjavik, Iceland, was the co-senior author and corresponding author of the study. It was published online on March 25 in BMJ Open.

LIMITATIONS:

It’s unclear whether individuals who were active at both timepoints had been continuously physically active throughout the study period or only at those two timepoints. Sleep variables were available only at follow-up and were all subjectively reported, meaning the associations between physical activity and sleep may not be longitudinal. Residual confounders (eg, mental health and musculoskeletal disorders or chronic pain) that can influence both sleep and exercise were not explored.

DISCLOSURES:

Financial support for ECRHS III was provided by the National Health and Medical Research Council (Australia); Antwerp South, Antwerp City: Research Foundation Flanders (Belgium); Estonian Ministry of Education (Estonia); and other international agencies. Additional sources of funding were listed on the original paper. The authors reported no relevant financial relationships.

A version of this article appeared on Medscape.com.

TOPLINE:

Over time, exercising at least twice a week is associated with significantly fewer insomnia symptoms and better sleep duration, new research shows.

METHODOLOGY:

• The study included 4339 adults aged 39-67 years (48% men) from 21 centers in nine countries participating in the third follow-up to the European Community Respiratory Health Survey (ECRHS III).
• Participants responded to questions about physical activity, insomnia symptoms, sleep duration, and daytime sleepiness at 10-year follow-up.
• Being “physically active” was defined as exercising with a frequency of at least twice a week for ≥ 1 hour per week.
• The main outcome measures were insomnia, sleep time, and daytime sleepiness in relation to physical activity.

TAKEAWAY:

• From baseline to follow-up, 37% of participants were persistently inactive, 25% were persistently active, 20% became inactive, and 18% became active.
• After adjustment for age, sex, body mass index, smoking history, and study center, persistently active participants were less likely to report difficulties with sleep initiation (adjusted odds ratio [aOR], 0.60; 95% CI, 0.45-0.78), with short sleep duration of ≤ 6 hours/night (aOR, 0.71; 95% CI, 0.59-0.85) and long sleep of ≥ 9 hours/night (aOR, 0.53; 95% CI, 0.33-0.84), compared with persistently nonactive subjects.
• Those who were persistently active were 22% less likely to report any symptoms of insomnia, 40% less likely to report two symptoms, and 37% less likely to report three symptoms.
• Daytime sleepiness and difficulties maintaining sleep were found to be unrelated to physical activity status.

IN PRACTICE:

“This study has a long follow-up period (10 years) and indicates strongly that consistency in physical activity might be an important factor in optimizing sleep duration and reducing the symptoms of insomnia,” the authors wrote.

SOURCE:

Erla Björnsdóttir, of the Department of Psychology, Reykjavik University, Reykjavik, Iceland, was the co-senior author and corresponding author of the study. It was published online on March 25 in BMJ Open.

LIMITATIONS:

It’s unclear whether individuals who were active at both timepoints had been continuously physically active throughout the study period or only at those two timepoints. Sleep variables were available only at follow-up and were all subjectively reported, meaning the associations between physical activity and sleep may not be longitudinal. Residual confounders (eg, mental health and musculoskeletal disorders or chronic pain) that can influence both sleep and exercise were not explored.

DISCLOSURES:

Financial support for ECRHS III was provided by the National Health and Medical Research Council (Australia); Antwerp South, Antwerp City: Research Foundation Flanders (Belgium); Estonian Ministry of Education (Estonia); and other international agencies. Additional sources of funding were listed on the original paper. The authors reported no relevant financial relationships.

A version of this article appeared on Medscape.com.

TOPLINE:

Over time, exercising at least twice a week is associated with significantly fewer insomnia symptoms and better sleep duration, new research shows.

METHODOLOGY:

• The study included 4339 adults aged 39-67 years (48% men) from 21 centers in nine countries participating in the third follow-up to the European Community Respiratory Health Survey (ECRHS III).
• Participants responded to questions about physical activity, insomnia symptoms, sleep duration, and daytime sleepiness at 10-year follow-up.
• Being “physically active” was defined as exercising with a frequency of at least twice a week for ≥ 1 hour per week.
• The main outcome measures were insomnia, sleep time, and daytime sleepiness in relation to physical activity.

TAKEAWAY:

• From baseline to follow-up, 37% of participants were persistently inactive, 25% were persistently active, 20% became inactive, and 18% became active.
• After adjustment for age, sex, body mass index, smoking history, and study center, persistently active participants were less likely to report difficulties with sleep initiation (adjusted odds ratio [aOR], 0.60; 95% CI, 0.45-0.78), with short sleep duration of ≤ 6 hours/night (aOR, 0.71; 95% CI, 0.59-0.85) and long sleep of ≥ 9 hours/night (aOR, 0.53; 95% CI, 0.33-0.84), compared with persistently nonactive subjects.
• Those who were persistently active were 22% less likely to report any symptoms of insomnia, 40% less likely to report two symptoms, and 37% less likely to report three symptoms.
• Daytime sleepiness and difficulties maintaining sleep were found to be unrelated to physical activity status.

IN PRACTICE:

“This study has a long follow-up period (10 years) and indicates strongly that consistency in physical activity might be an important factor in optimizing sleep duration and reducing the symptoms of insomnia,” the authors wrote.

SOURCE:

Erla Björnsdóttir, of the Department of Psychology, Reykjavik University, Reykjavik, Iceland, was the co-senior author and corresponding author of the study. It was published online on March 25 in BMJ Open.

LIMITATIONS:

It’s unclear whether individuals who were active at both timepoints had been continuously physically active throughout the study period or only at those two timepoints. Sleep variables were available only at follow-up and were all subjectively reported, meaning the associations between physical activity and sleep may not be longitudinal. Residual confounders (eg, mental health and musculoskeletal disorders or chronic pain) that can influence both sleep and exercise were not explored.

DISCLOSURES:

Financial support for ECRHS III was provided by the National Health and Medical Research Council (Australia); Antwerp South, Antwerp City: Research Foundation Flanders (Belgium); Estonian Ministry of Education (Estonia); and other international agencies. Additional sources of funding were listed on the original paper. The authors reported no relevant financial relationships.

A version of this article appeared on Medscape.com.

TOPLINE:

Earlier treatment with erenumab was associated with significantly better migraine prevention than that with nonspecific oral migraine preventive medications (OMPMs) in patients with resistant episodic migraine. Based on this research, the investigators suggest clinicians should start erenumab early and not prolong use of OMPMs.

METHODOLOGY:

• The 12-month prospective, international, multicenter, phase 4 randomized clinical APPRAISE trial included 621 adult patients (mean age, 41 years; 88% female) with a ≥ 12-month history of migraine and between 4 and 15 monthly migraine days (MMDs).
• Primary endpoint was the proportion of patients who completed 12 months of the initially assigned treatment and experiencing a reduction of ≥ 50% from baseline in MMDs at the end of the year.
• Secondary endpoints included cumulative mean change from baseline in MMDs during the treatment period and the proportion of responders (based on the Patients’ Global Impression of Change scale) at month 12 for patients taking the initially assigned treatment.

TAKEAWAY:

• At month 12, patients receiving erenumab were six times more likely to report a ≥ 50% reduction in MMDs than those receiving OMPMs (odds ratio [OR], 6.48; P < .001).
• Compared with OMPMs, treatment with erenumab yielded a higher responder rate at 1 year (76% vs 19%; OR, 13.75; P < .001) and a significantly greater reduction in cumulative average MMDs (−4.32 days vs −2.65 days; P < .001).
• Substantially, fewer patients in the erenumab vs the OMPM group switched medication (2% vs 35%) or discontinued treatment due to adverse events (3% vs 23%).
• Incidence of treatment-emergent adverse events was similar between the treatment arms (75% vs 76%) until the researchers adjusted for exposure to treatment, which revealed a roughly 30% lower exposure-adjusted rate (per 100 patient-years) in the erenumab group.

IN PRACTICE:

“Earlier initiation of erenumab may ultimately lead to fewer patients discontinuing or switching medication in a real-world clinical practice,” the authors wrote. In addition, the findings “lend further support to the recent guideline update issued by the European Headache Federation, in which CGRP-targeted mAbs are considered a first-line treatment option for patients with migraine who require preventive treatment.”

SOURCE:

Patricia Pozo-Rosich, MD, PhD, of the Headache and Neurological Pain Research Group, Vall d’Hebron Institute of Research, Department of Medicine, Universitat Autònoma de Barcelona, Spain, and the Headache Unit, Neurology Department, Vall d’Hebron University Hospital, Barcelona, Spain, was the lead and corresponding author of the study. It was published online in JAMA Neurology.

LIMITATIONS:

Only locally approved and marketed OMPMs at study onset were used as comparators. The open-label study design might have led to a placebo response, which could have played a role in the findings because erenumab can only be administered in a clinic and was administered subcutaneously.

DISCLOSURES:

This study was funded by Novartis Pharma AG, Basel, Switzerland. Dr. Pozo-Rosich reported receiving grants from AbbVie, Novartis, and Teva and personal fees from AbbVie, Eli Lilly, Lundbeck, Novartis, Pfizer, and Teva outside the submitted work. The other authors’ disclosures were listed on the original paper.

A version of this article first appeared on Medscape.com.

TOPLINE:

Earlier treatment with erenumab was associated with significantly better migraine prevention than that with nonspecific oral migraine preventive medications (OMPMs) in patients with resistant episodic migraine. Based on this research, the investigators suggest clinicians should start erenumab early and not prolong use of OMPMs.

METHODOLOGY:

• The 12-month prospective, international, multicenter, phase 4 randomized clinical APPRAISE trial included 621 adult patients (mean age, 41 years; 88% female) with a ≥ 12-month history of migraine and between 4 and 15 monthly migraine days (MMDs).
• Primary endpoint was the proportion of patients who completed 12 months of the initially assigned treatment and experiencing a reduction of ≥ 50% from baseline in MMDs at the end of the year.
• Secondary endpoints included cumulative mean change from baseline in MMDs during the treatment period and the proportion of responders (based on the Patients’ Global Impression of Change scale) at month 12 for patients taking the initially assigned treatment.

TAKEAWAY:

• At month 12, patients receiving erenumab were six times more likely to report a ≥ 50% reduction in MMDs than those receiving OMPMs (odds ratio [OR], 6.48; P < .001).
• Compared with OMPMs, treatment with erenumab yielded a higher responder rate at 1 year (76% vs 19%; OR, 13.75; P < .001) and a significantly greater reduction in cumulative average MMDs (−4.32 days vs −2.65 days; P < .001).
• Substantially, fewer patients in the erenumab vs the OMPM group switched medication (2% vs 35%) or discontinued treatment due to adverse events (3% vs 23%).
• Incidence of treatment-emergent adverse events was similar between the treatment arms (75% vs 76%) until the researchers adjusted for exposure to treatment, which revealed a roughly 30% lower exposure-adjusted rate (per 100 patient-years) in the erenumab group.

IN PRACTICE:

“Earlier initiation of erenumab may ultimately lead to fewer patients discontinuing or switching medication in a real-world clinical practice,” the authors wrote. In addition, the findings “lend further support to the recent guideline update issued by the European Headache Federation, in which CGRP-targeted mAbs are considered a first-line treatment option for patients with migraine who require preventive treatment.”

SOURCE:

Patricia Pozo-Rosich, MD, PhD, of the Headache and Neurological Pain Research Group, Vall d’Hebron Institute of Research, Department of Medicine, Universitat Autònoma de Barcelona, Spain, and the Headache Unit, Neurology Department, Vall d’Hebron University Hospital, Barcelona, Spain, was the lead and corresponding author of the study. It was published online in JAMA Neurology.

LIMITATIONS:

Only locally approved and marketed OMPMs at study onset were used as comparators. The open-label study design might have led to a placebo response, which could have played a role in the findings because erenumab can only be administered in a clinic and was administered subcutaneously.

DISCLOSURES:

This study was funded by Novartis Pharma AG, Basel, Switzerland. Dr. Pozo-Rosich reported receiving grants from AbbVie, Novartis, and Teva and personal fees from AbbVie, Eli Lilly, Lundbeck, Novartis, Pfizer, and Teva outside the submitted work. The other authors’ disclosures were listed on the original paper.

A version of this article first appeared on Medscape.com.

TOPLINE:

Earlier treatment with erenumab was associated with significantly better migraine prevention than that with nonspecific oral migraine preventive medications (OMPMs) in patients with resistant episodic migraine. Based on this research, the investigators suggest clinicians should start erenumab early and not prolong use of OMPMs.

METHODOLOGY:

• The 12-month prospective, international, multicenter, phase 4 randomized clinical APPRAISE trial included 621 adult patients (mean age, 41 years; 88% female) with a ≥ 12-month history of migraine and between 4 and 15 monthly migraine days (MMDs).
• Primary endpoint was the proportion of patients who completed 12 months of the initially assigned treatment and experiencing a reduction of ≥ 50% from baseline in MMDs at the end of the year.
• Secondary endpoints included cumulative mean change from baseline in MMDs during the treatment period and the proportion of responders (based on the Patients’ Global Impression of Change scale) at month 12 for patients taking the initially assigned treatment.

TAKEAWAY:

• At month 12, patients receiving erenumab were six times more likely to report a ≥ 50% reduction in MMDs than those receiving OMPMs (odds ratio [OR], 6.48; P < .001).
• Compared with OMPMs, treatment with erenumab yielded a higher responder rate at 1 year (76% vs 19%; OR, 13.75; P < .001) and a significantly greater reduction in cumulative average MMDs (−4.32 days vs −2.65 days; P < .001).
• Substantially, fewer patients in the erenumab vs the OMPM group switched medication (2% vs 35%) or discontinued treatment due to adverse events (3% vs 23%).
• Incidence of treatment-emergent adverse events was similar between the treatment arms (75% vs 76%) until the researchers adjusted for exposure to treatment, which revealed a roughly 30% lower exposure-adjusted rate (per 100 patient-years) in the erenumab group.

IN PRACTICE:

“Earlier initiation of erenumab may ultimately lead to fewer patients discontinuing or switching medication in a real-world clinical practice,” the authors wrote. In addition, the findings “lend further support to the recent guideline update issued by the European Headache Federation, in which CGRP-targeted mAbs are considered a first-line treatment option for patients with migraine who require preventive treatment.”

SOURCE:

Patricia Pozo-Rosich, MD, PhD, of the Headache and Neurological Pain Research Group, Vall d’Hebron Institute of Research, Department of Medicine, Universitat Autònoma de Barcelona, Spain, and the Headache Unit, Neurology Department, Vall d’Hebron University Hospital, Barcelona, Spain, was the lead and corresponding author of the study. It was published online in JAMA Neurology.

LIMITATIONS:

Only locally approved and marketed OMPMs at study onset were used as comparators. The open-label study design might have led to a placebo response, which could have played a role in the findings because erenumab can only be administered in a clinic and was administered subcutaneously.

DISCLOSURES:

This study was funded by Novartis Pharma AG, Basel, Switzerland. Dr. Pozo-Rosich reported receiving grants from AbbVie, Novartis, and Teva and personal fees from AbbVie, Eli Lilly, Lundbeck, Novartis, Pfizer, and Teva outside the submitted work. The other authors’ disclosures were listed on the original paper.

A version of this article first appeared on Medscape.com.