Federal Practitioner

WASHINGTON — In 2013, Vishal A. Patel, MD, was completing a fellowship in Mohs surgery and cutaneous oncology at Columbia University Irving Medical Center, New York City, when a study was published showing that most nonmelanoma skin cancers (NMSCs) were treated with surgery, regardless of the patient’s life expectancy. Life expectancy “should enter into treatment decisions,” the authors concluded.

“The article got a lot of pushback from the Mohs surgeons,” and the value of surgery in older adults and particularly those with limited life expectancy “became a hot topic,” Dr. Patel recalled at the ElderDerm conference hosted by the Department of Dermatology at George Washington University, Washington, DC, and described as a first-of-its-kind meeting dedicated to improving dermatologic care for older adults.

prespuswibronostithehegepribrunuswamufrechibisloprohagerebouedrevulaclasliwrapijipenitripocowrasihiru

Today, however, more than a decade later, guidelines still promote surgical therapy as the gold standard across the board, and questions raised by the study are still unaddressed, Dr. Patel, associate professor of dermatology and medicine/oncology at George Washington University, said at the meeting. These questions are becoming increasingly urgent as the incidence of skin cancer, especially NMSC, rises in the older adult population, especially in patients older than 85 years. “It’s a function of our training and our treatment guidelines that we reach for the most definitive treatment, which happens to be the most aggressive, in these patients,” added Dr. Patel, who is also director of the cutaneous oncology program at the GW Cancer Center.

“Sometimes we lose track of what ... we need to do” to provide care that reflects the best interests of the older patient, he continued. “Surgery may be the gold standard for treating the majority of NMSCs ... but is it the [best option] for what our older patients and patients with limited life expectancy need?”

Learning about what truly matters to the patient is a key element of the “age-friendly, whole-person care” that dermatologists must embrace as older adults become an increasingly large subset of their patient population, Christina Prather, MD, director and associate professor of geriatrics and palliative medicine at George Washington University, said at the meeting.

By 2040, projections are that the number of adults aged 85 years and older in the United States will be nearly quadruple the number in 2000, according to one estimate.

“We know that there are less than 6000 practicing geriatricians in the country ... [so the healthcare system] needs more of you who know how to bring an age-friendly approach to care,” Dr. Prather said. Dermatology is among the specialties that need to be “geriatricized.”
 

NMSC Increasing in the Older Population

The incidence of skin cancer is rising faster than that of any other cancer, Dr. Patel said. One window into the epidemiology, he said, comes from recently published data showing that an average of 6.1 million adults were treated each year for skin cancer during 2016-2018 (5.2 million of them for NMSC) — an increase from an average of 5.8 million annually in the 2012-2015 period. The data come from the Medical Expenditure Panel Survey (MEPS), which is conducted by the US Public Health Service through the Agency for Healthcare Research and Quality and the Centers for Disease Control and Prevention.

As a frame of reference, the average number of adults treated each year for nonskin cancers during these periods rose from 10.8 to 11.9 million, according to the 2023 MEPS data. “Skin cancer is about one-third of all cancers combined,” Dr. Patel said.

Not only is the incidence of NMSC significantly higher than that of melanoma but it also shows a more prominent aging trend. This was documented recently in a long-term observational study from Japan, in which researchers looked at the change in the median age of patients with NMSC and melanoma, compared with cancers of other organs, from 1991 to 2020 and found that NMSC had by far the greatest rise in median age, to a median age of 80 years in 2021.

Even more notable, Dr. Patel said, was a particularly marked increase in the number of patients with skin cancer aged 90 years and older. In 2021, this group of older adults accounted for 17% of patients receiving treatment for skin cancer at the Japanese hospital where the data were collected.

The 2013 study that stirred Dr. Patel as a fellow was of 1536 consecutive patients diagnosed with NMSC at two dermatology clinics (a University of California San Francisco–based private clinic and a Veterans Affairs Medical Center clinic) and followed for 6 years. “What’s interesting and worth thinking about is that, regardless of patients’ life expectancy, NMSCs were treated aggressively and surgically, and the choice of surgery was not influenced by the patient’s poor prognosis in a multivariate model” adjusted for tumor and patient characteristics, he said at the meeting.

The researchers defined limited life expectancy as either 85 years or older or having a Charleston Comorbidity Index ≥ 3. Approximately half of the patients with limited life expectancy died within 5 years, none of NMSC. Most patients with limited life expectancy were not often bothered by their tumors, and approximately one in five reported a treatment complication within 2 years. The 5-year tumor recurrence rate was 3.7%.

A more recent study looked at 1181 patients older than 85 years with NMSC referred for Mohs surgery. Almost all patients in the multicenter, prospective cohort study (91.3%) were treated with Mohs.

Treated patients were more likely to have facial tumors and higher functional status than those not treated with Mohs surgery, and the most common reasons provided by surgeons for proceeding with the surgery were a patient desire for a high cure rate (66%), higher functional status for age (57%), and high-risk tumor type (40%). Almost 42% of the referred patients were 89 years or older.

“Granted, [the reasons] are justified indications for surgery,” Dr. Patel said. Yet the study brings up the question of “whether we need to do Mohs surgery this frequently in elderly patients?” In an email after the meeting, he added, “it’s a question we may need to reconsider as the elderly population continues to increase and median age of NMSC rises.”
 

Underutilized Management Options for NMSC

In his practice, discussions of treatment options are preceded by a thorough discussion of the disease itself. Many lesions are low risk, and helping patients understand risks, as well as understanding what is important to the patient — especially those with limited life expectancy — will guide shared decision-making to choose the best treatment, Dr. Patel said at the meeting.

The dermatologist’s risk assessment — both staging and stratifying risk as it relates to specific outcomes such as recurrence, metastases, or death — takes on added importance in the older patient, he emphasized. “I think we underutilize the risk assessment.”

Also underutilized is the option of shave removal for low-risk squamous cell carcinomas and basal cell carcinomas, Dr. Patel said, noting that, in the National Comprehensive Cancer Network guidelines, “there’s an option for shave removal and nothing more if you have clear margins.”

Alternatively, disc excision with the initial biopsy can often be considered. “Having that intent to treat at the time of biopsy may be all that needs to be done” in older patients with obvious or highly suspicious lesions, he said.

Systemic immunotherapy has joined the treatment armamentarium for advanced basal cell carcinoma and advanced cutaneous squamous cell carcinoma, and if early, ongoing research of intralesional programmed cell death protein 1 inhibitor treatment advances, this could be another option for older adults in the future, Dr. Patel said. Targeting drug delivery directly to the tumor would lower the total dose, decrease systemic exposure, and could be used to avoid surgery for some groups of patients, such as those with limited life expectancy.

[embed:render:related:node:269288]

A Personal Story, a Word on Melanoma

Dr. Prather recalled when her 97-year-old grandfather had a skin lesion on his forehead removed, and a conversation he had with her mother about whether he really needed to have the procedure because he had cognitive impairment and was on oral anticoagulants.

The clinician “said it absolutely had to go. ... I can’t tell you how much his doctors’ visits and wound care consumed my family’s life for the next few years — for this thing that never quite healed,” she said.

“Was it necessary? The more I’ve learned over time is that it wasn’t,” Dr. Prather added. “We have to take time [with our older patients] and think critically. What is feasible? What makes the most sense? What is the most important thing I need to know about the patient?”

Also important, Dr. Patel noted, is the big-picture consideration of skin cancer treatment costs. The MEPS survey data showing the rising prevalence of skin cancer treatment also documented the economic burden: A nearly 30% increase in the average annual cost of treating NMSC from $5 billion in 2012-2015 to $6.5 billion in 2016-2018. (The average annual costs of treating melanoma decreased slightly.) “Skin cancer is a big drain on our limited resources,” he said.

With melanoma as well, dermatologists must think critically and holistically about the individual patient — and not have “a single view lens of the disease and how we treat the disease,” said Dr. Patel, urging the audience to read a “Sounding Board” article published in The New England Journal of Medicine in 2021. The article argued that there is overdiagnosis of cutaneous melanoma stemming from increased screening, falling clinical thresholds for biopsy, and falling pathological thresholds for labeling morphologic changes as cancer.

“There’s a diagnostic disconnect and a problem of overdiagnosis ... because we’re afraid to miss or make a mistake,” he said. “It leads to the question, do all lesions denoted as skin cancers need aggressive treatment? What does it mean for the patient in front of you?”

Dr. Patel reported receiving honoraria from Regeneron, Almirall, Biofrontera, Sun Pharma, and SkylineDx and serving on the speaker bureau of Regeneron and Almirall. He is chief medical officer for Lazarus AI and is cofounder of the Skin Cancer Outcomes consortium. Dr. Prather disclosed relationships with the National Institutes of Health, AHRQ, The Washington Home Foundation, and the Alzheimer’s Association.

A version of this article appeared on Medscape.com.

WASHINGTON — In 2013, Vishal A. Patel, MD, was completing a fellowship in Mohs surgery and cutaneous oncology at Columbia University Irving Medical Center, New York City, when a study was published showing that most nonmelanoma skin cancers (NMSCs) were treated with surgery, regardless of the patient’s life expectancy. Life expectancy “should enter into treatment decisions,” the authors concluded.

“The article got a lot of pushback from the Mohs surgeons,” and the value of surgery in older adults and particularly those with limited life expectancy “became a hot topic,” Dr. Patel recalled at the ElderDerm conference hosted by the Department of Dermatology at George Washington University, Washington, DC, and described as a first-of-its-kind meeting dedicated to improving dermatologic care for older adults.

prespuswibronostithehegepribrunuswamufrechibisloprohagerebouedrevulaclasliwrapijipenitripocowrasihiru

Today, however, more than a decade later, guidelines still promote surgical therapy as the gold standard across the board, and questions raised by the study are still unaddressed, Dr. Patel, associate professor of dermatology and medicine/oncology at George Washington University, said at the meeting. These questions are becoming increasingly urgent as the incidence of skin cancer, especially NMSC, rises in the older adult population, especially in patients older than 85 years. “It’s a function of our training and our treatment guidelines that we reach for the most definitive treatment, which happens to be the most aggressive, in these patients,” added Dr. Patel, who is also director of the cutaneous oncology program at the GW Cancer Center.

“Sometimes we lose track of what ... we need to do” to provide care that reflects the best interests of the older patient, he continued. “Surgery may be the gold standard for treating the majority of NMSCs ... but is it the [best option] for what our older patients and patients with limited life expectancy need?”

Learning about what truly matters to the patient is a key element of the “age-friendly, whole-person care” that dermatologists must embrace as older adults become an increasingly large subset of their patient population, Christina Prather, MD, director and associate professor of geriatrics and palliative medicine at George Washington University, said at the meeting.

By 2040, projections are that the number of adults aged 85 years and older in the United States will be nearly quadruple the number in 2000, according to one estimate.

“We know that there are less than 6000 practicing geriatricians in the country ... [so the healthcare system] needs more of you who know how to bring an age-friendly approach to care,” Dr. Prather said. Dermatology is among the specialties that need to be “geriatricized.”
 

NMSC Increasing in the Older Population

The incidence of skin cancer is rising faster than that of any other cancer, Dr. Patel said. One window into the epidemiology, he said, comes from recently published data showing that an average of 6.1 million adults were treated each year for skin cancer during 2016-2018 (5.2 million of them for NMSC) — an increase from an average of 5.8 million annually in the 2012-2015 period. The data come from the Medical Expenditure Panel Survey (MEPS), which is conducted by the US Public Health Service through the Agency for Healthcare Research and Quality and the Centers for Disease Control and Prevention.

As a frame of reference, the average number of adults treated each year for nonskin cancers during these periods rose from 10.8 to 11.9 million, according to the 2023 MEPS data. “Skin cancer is about one-third of all cancers combined,” Dr. Patel said.

Not only is the incidence of NMSC significantly higher than that of melanoma but it also shows a more prominent aging trend. This was documented recently in a long-term observational study from Japan, in which researchers looked at the change in the median age of patients with NMSC and melanoma, compared with cancers of other organs, from 1991 to 2020 and found that NMSC had by far the greatest rise in median age, to a median age of 80 years in 2021.

Even more notable, Dr. Patel said, was a particularly marked increase in the number of patients with skin cancer aged 90 years and older. In 2021, this group of older adults accounted for 17% of patients receiving treatment for skin cancer at the Japanese hospital where the data were collected.

The 2013 study that stirred Dr. Patel as a fellow was of 1536 consecutive patients diagnosed with NMSC at two dermatology clinics (a University of California San Francisco–based private clinic and a Veterans Affairs Medical Center clinic) and followed for 6 years. “What’s interesting and worth thinking about is that, regardless of patients’ life expectancy, NMSCs were treated aggressively and surgically, and the choice of surgery was not influenced by the patient’s poor prognosis in a multivariate model” adjusted for tumor and patient characteristics, he said at the meeting.

The researchers defined limited life expectancy as either 85 years or older or having a Charleston Comorbidity Index ≥ 3. Approximately half of the patients with limited life expectancy died within 5 years, none of NMSC. Most patients with limited life expectancy were not often bothered by their tumors, and approximately one in five reported a treatment complication within 2 years. The 5-year tumor recurrence rate was 3.7%.

A more recent study looked at 1181 patients older than 85 years with NMSC referred for Mohs surgery. Almost all patients in the multicenter, prospective cohort study (91.3%) were treated with Mohs.

Treated patients were more likely to have facial tumors and higher functional status than those not treated with Mohs surgery, and the most common reasons provided by surgeons for proceeding with the surgery were a patient desire for a high cure rate (66%), higher functional status for age (57%), and high-risk tumor type (40%). Almost 42% of the referred patients were 89 years or older.

“Granted, [the reasons] are justified indications for surgery,” Dr. Patel said. Yet the study brings up the question of “whether we need to do Mohs surgery this frequently in elderly patients?” In an email after the meeting, he added, “it’s a question we may need to reconsider as the elderly population continues to increase and median age of NMSC rises.”
 

Underutilized Management Options for NMSC

In his practice, discussions of treatment options are preceded by a thorough discussion of the disease itself. Many lesions are low risk, and helping patients understand risks, as well as understanding what is important to the patient — especially those with limited life expectancy — will guide shared decision-making to choose the best treatment, Dr. Patel said at the meeting.

The dermatologist’s risk assessment — both staging and stratifying risk as it relates to specific outcomes such as recurrence, metastases, or death — takes on added importance in the older patient, he emphasized. “I think we underutilize the risk assessment.”

Also underutilized is the option of shave removal for low-risk squamous cell carcinomas and basal cell carcinomas, Dr. Patel said, noting that, in the National Comprehensive Cancer Network guidelines, “there’s an option for shave removal and nothing more if you have clear margins.”

Alternatively, disc excision with the initial biopsy can often be considered. “Having that intent to treat at the time of biopsy may be all that needs to be done” in older patients with obvious or highly suspicious lesions, he said.

Systemic immunotherapy has joined the treatment armamentarium for advanced basal cell carcinoma and advanced cutaneous squamous cell carcinoma, and if early, ongoing research of intralesional programmed cell death protein 1 inhibitor treatment advances, this could be another option for older adults in the future, Dr. Patel said. Targeting drug delivery directly to the tumor would lower the total dose, decrease systemic exposure, and could be used to avoid surgery for some groups of patients, such as those with limited life expectancy.

[embed:render:related:node:269288]

A Personal Story, a Word on Melanoma

Dr. Prather recalled when her 97-year-old grandfather had a skin lesion on his forehead removed, and a conversation he had with her mother about whether he really needed to have the procedure because he had cognitive impairment and was on oral anticoagulants.

The clinician “said it absolutely had to go. ... I can’t tell you how much his doctors’ visits and wound care consumed my family’s life for the next few years — for this thing that never quite healed,” she said.

“Was it necessary? The more I’ve learned over time is that it wasn’t,” Dr. Prather added. “We have to take time [with our older patients] and think critically. What is feasible? What makes the most sense? What is the most important thing I need to know about the patient?”

Also important, Dr. Patel noted, is the big-picture consideration of skin cancer treatment costs. The MEPS survey data showing the rising prevalence of skin cancer treatment also documented the economic burden: A nearly 30% increase in the average annual cost of treating NMSC from $5 billion in 2012-2015 to $6.5 billion in 2016-2018. (The average annual costs of treating melanoma decreased slightly.) “Skin cancer is a big drain on our limited resources,” he said.

With melanoma as well, dermatologists must think critically and holistically about the individual patient — and not have “a single view lens of the disease and how we treat the disease,” said Dr. Patel, urging the audience to read a “Sounding Board” article published in The New England Journal of Medicine in 2021. The article argued that there is overdiagnosis of cutaneous melanoma stemming from increased screening, falling clinical thresholds for biopsy, and falling pathological thresholds for labeling morphologic changes as cancer.

“There’s a diagnostic disconnect and a problem of overdiagnosis ... because we’re afraid to miss or make a mistake,” he said. “It leads to the question, do all lesions denoted as skin cancers need aggressive treatment? What does it mean for the patient in front of you?”

Dr. Patel reported receiving honoraria from Regeneron, Almirall, Biofrontera, Sun Pharma, and SkylineDx and serving on the speaker bureau of Regeneron and Almirall. He is chief medical officer for Lazarus AI and is cofounder of the Skin Cancer Outcomes consortium. Dr. Prather disclosed relationships with the National Institutes of Health, AHRQ, The Washington Home Foundation, and the Alzheimer’s Association.

A version of this article appeared on Medscape.com.

WASHINGTON — In 2013, Vishal A. Patel, MD, was completing a fellowship in Mohs surgery and cutaneous oncology at Columbia University Irving Medical Center, New York City, when a study was published showing that most nonmelanoma skin cancers (NMSCs) were treated with surgery, regardless of the patient’s life expectancy. Life expectancy “should enter into treatment decisions,” the authors concluded.

“The article got a lot of pushback from the Mohs surgeons,” and the value of surgery in older adults and particularly those with limited life expectancy “became a hot topic,” Dr. Patel recalled at the ElderDerm conference hosted by the Department of Dermatology at George Washington University, Washington, DC, and described as a first-of-its-kind meeting dedicated to improving dermatologic care for older adults.

prespuswibronostithehegepribrunuswamufrechibisloprohagerebouedrevulaclasliwrapijipenitripocowrasihiru

Today, however, more than a decade later, guidelines still promote surgical therapy as the gold standard across the board, and questions raised by the study are still unaddressed, Dr. Patel, associate professor of dermatology and medicine/oncology at George Washington University, said at the meeting. These questions are becoming increasingly urgent as the incidence of skin cancer, especially NMSC, rises in the older adult population, especially in patients older than 85 years. “It’s a function of our training and our treatment guidelines that we reach for the most definitive treatment, which happens to be the most aggressive, in these patients,” added Dr. Patel, who is also director of the cutaneous oncology program at the GW Cancer Center.

“Sometimes we lose track of what ... we need to do” to provide care that reflects the best interests of the older patient, he continued. “Surgery may be the gold standard for treating the majority of NMSCs ... but is it the [best option] for what our older patients and patients with limited life expectancy need?”

Learning about what truly matters to the patient is a key element of the “age-friendly, whole-person care” that dermatologists must embrace as older adults become an increasingly large subset of their patient population, Christina Prather, MD, director and associate professor of geriatrics and palliative medicine at George Washington University, said at the meeting.

By 2040, projections are that the number of adults aged 85 years and older in the United States will be nearly quadruple the number in 2000, according to one estimate.

“We know that there are less than 6000 practicing geriatricians in the country ... [so the healthcare system] needs more of you who know how to bring an age-friendly approach to care,” Dr. Prather said. Dermatology is among the specialties that need to be “geriatricized.”
 

NMSC Increasing in the Older Population

The incidence of skin cancer is rising faster than that of any other cancer, Dr. Patel said. One window into the epidemiology, he said, comes from recently published data showing that an average of 6.1 million adults were treated each year for skin cancer during 2016-2018 (5.2 million of them for NMSC) — an increase from an average of 5.8 million annually in the 2012-2015 period. The data come from the Medical Expenditure Panel Survey (MEPS), which is conducted by the US Public Health Service through the Agency for Healthcare Research and Quality and the Centers for Disease Control and Prevention.

As a frame of reference, the average number of adults treated each year for nonskin cancers during these periods rose from 10.8 to 11.9 million, according to the 2023 MEPS data. “Skin cancer is about one-third of all cancers combined,” Dr. Patel said.

Not only is the incidence of NMSC significantly higher than that of melanoma but it also shows a more prominent aging trend. This was documented recently in a long-term observational study from Japan, in which researchers looked at the change in the median age of patients with NMSC and melanoma, compared with cancers of other organs, from 1991 to 2020 and found that NMSC had by far the greatest rise in median age, to a median age of 80 years in 2021.

Even more notable, Dr. Patel said, was a particularly marked increase in the number of patients with skin cancer aged 90 years and older. In 2021, this group of older adults accounted for 17% of patients receiving treatment for skin cancer at the Japanese hospital where the data were collected.

The 2013 study that stirred Dr. Patel as a fellow was of 1536 consecutive patients diagnosed with NMSC at two dermatology clinics (a University of California San Francisco–based private clinic and a Veterans Affairs Medical Center clinic) and followed for 6 years. “What’s interesting and worth thinking about is that, regardless of patients’ life expectancy, NMSCs were treated aggressively and surgically, and the choice of surgery was not influenced by the patient’s poor prognosis in a multivariate model” adjusted for tumor and patient characteristics, he said at the meeting.

The researchers defined limited life expectancy as either 85 years or older or having a Charleston Comorbidity Index ≥ 3. Approximately half of the patients with limited life expectancy died within 5 years, none of NMSC. Most patients with limited life expectancy were not often bothered by their tumors, and approximately one in five reported a treatment complication within 2 years. The 5-year tumor recurrence rate was 3.7%.

A more recent study looked at 1181 patients older than 85 years with NMSC referred for Mohs surgery. Almost all patients in the multicenter, prospective cohort study (91.3%) were treated with Mohs.

Treated patients were more likely to have facial tumors and higher functional status than those not treated with Mohs surgery, and the most common reasons provided by surgeons for proceeding with the surgery were a patient desire for a high cure rate (66%), higher functional status for age (57%), and high-risk tumor type (40%). Almost 42% of the referred patients were 89 years or older.

“Granted, [the reasons] are justified indications for surgery,” Dr. Patel said. Yet the study brings up the question of “whether we need to do Mohs surgery this frequently in elderly patients?” In an email after the meeting, he added, “it’s a question we may need to reconsider as the elderly population continues to increase and median age of NMSC rises.”
 

Underutilized Management Options for NMSC

In his practice, discussions of treatment options are preceded by a thorough discussion of the disease itself. Many lesions are low risk, and helping patients understand risks, as well as understanding what is important to the patient — especially those with limited life expectancy — will guide shared decision-making to choose the best treatment, Dr. Patel said at the meeting.

The dermatologist’s risk assessment — both staging and stratifying risk as it relates to specific outcomes such as recurrence, metastases, or death — takes on added importance in the older patient, he emphasized. “I think we underutilize the risk assessment.”

Also underutilized is the option of shave removal for low-risk squamous cell carcinomas and basal cell carcinomas, Dr. Patel said, noting that, in the National Comprehensive Cancer Network guidelines, “there’s an option for shave removal and nothing more if you have clear margins.”

Alternatively, disc excision with the initial biopsy can often be considered. “Having that intent to treat at the time of biopsy may be all that needs to be done” in older patients with obvious or highly suspicious lesions, he said.

Systemic immunotherapy has joined the treatment armamentarium for advanced basal cell carcinoma and advanced cutaneous squamous cell carcinoma, and if early, ongoing research of intralesional programmed cell death protein 1 inhibitor treatment advances, this could be another option for older adults in the future, Dr. Patel said. Targeting drug delivery directly to the tumor would lower the total dose, decrease systemic exposure, and could be used to avoid surgery for some groups of patients, such as those with limited life expectancy.

[embed:render:related:node:269288]

A Personal Story, a Word on Melanoma

Dr. Prather recalled when her 97-year-old grandfather had a skin lesion on his forehead removed, and a conversation he had with her mother about whether he really needed to have the procedure because he had cognitive impairment and was on oral anticoagulants.

The clinician “said it absolutely had to go. ... I can’t tell you how much his doctors’ visits and wound care consumed my family’s life for the next few years — for this thing that never quite healed,” she said.

“Was it necessary? The more I’ve learned over time is that it wasn’t,” Dr. Prather added. “We have to take time [with our older patients] and think critically. What is feasible? What makes the most sense? What is the most important thing I need to know about the patient?”

Also important, Dr. Patel noted, is the big-picture consideration of skin cancer treatment costs. The MEPS survey data showing the rising prevalence of skin cancer treatment also documented the economic burden: A nearly 30% increase in the average annual cost of treating NMSC from $5 billion in 2012-2015 to $6.5 billion in 2016-2018. (The average annual costs of treating melanoma decreased slightly.) “Skin cancer is a big drain on our limited resources,” he said.

With melanoma as well, dermatologists must think critically and holistically about the individual patient — and not have “a single view lens of the disease and how we treat the disease,” said Dr. Patel, urging the audience to read a “Sounding Board” article published in The New England Journal of Medicine in 2021. The article argued that there is overdiagnosis of cutaneous melanoma stemming from increased screening, falling clinical thresholds for biopsy, and falling pathological thresholds for labeling morphologic changes as cancer.

“There’s a diagnostic disconnect and a problem of overdiagnosis ... because we’re afraid to miss or make a mistake,” he said. “It leads to the question, do all lesions denoted as skin cancers need aggressive treatment? What does it mean for the patient in front of you?”

Dr. Patel reported receiving honoraria from Regeneron, Almirall, Biofrontera, Sun Pharma, and SkylineDx and serving on the speaker bureau of Regeneron and Almirall. He is chief medical officer for Lazarus AI and is cofounder of the Skin Cancer Outcomes consortium. Dr. Prather disclosed relationships with the National Institutes of Health, AHRQ, The Washington Home Foundation, and the Alzheimer’s Association.

A version of this article appeared on Medscape.com.

In October 2023, Robert Card — a grenade instructor in the Army Reserve — shot and killed 18 people in Maine, before turning the gun on himself. As reported by The New York Times, his family said that he had become increasingly erratic and violent during the months before the rampage.

A postmortem conducted by the Chronic Traumatic Encephalopathy (CTE) Center at Boston University found “significant evidence of traumatic brain injuries” [TBIs] and “significant degeneration, axonal and myelin loss, inflammation, and small blood vessel injury” in the white matter, the center’s director, Ann McKee, MD, said in a press release. “These findings align with our previous studies on the effects of blast injury in humans and experimental models.”

Members of the military, such as Mr. Card, are exposed to blasts from repeated firing of heavy weapons not only during combat but also during training.

New data suggest that repeated blast exposure may impair the brain’s waste clearance system, leading to biomarker changes indicative of preclinical Alzheimer’s disease 20 years earlier than typical. A higher index of suspicion for dementia or Alzheimer’s disease may be warranted in patients with a history of blast exposure or subconcussive brain injury who present with cognitive issues, according to experts interviewed.

In 2022, the US Department of Defense (DOD) launched its Warfighter Brain Health Initiative with the aim of “optimizing service member brain health and countering traumatic brain injuries.”

In April 2024, the Blast Overpressure Safety Act was introduced in the Senate to require the DOD to enact better blast screening, tracking, prevention, and treatment. The DOD initiated 26 blast overpressure studies.

Heather Snyder, PhD, Alzheimer’s Association vice president of Medical and Scientific Relations, said that an important component of that research involves “the need to study the difference between TBI-caused dementia and dementia caused independently” and “the need to study biomarkers to better understand the long-term consequences of TBI.”
 

What Is the Underlying Biology?

Dr. Snyder was the lead author of a white paper produced by the Alzheimer’s Association in 2018 on military-related risk factors for Alzheimer’s disease and related dementias. “There is a lot of work trying to understand the effect of pure blast waves on the brain, as opposed to the actual impact of the injury,” she said.

The white paper speculated that blast exposure may be analogous to subconcussive brain injury in athletes where there are no obvious immediate clinical symptoms or neurological dysfunction but which can cause cumulative injury and functional impairment over time.

“We are also trying to understand the underlying biology around brain changes, such as accumulation of tau and amyloid and other specific markers related to brain changes in Alzheimer’s disease,” said Dr. Snyder, chair of the Peer Reviewed Alzheimer’s Research Program Programmatic Panel for Alzheimer’s Disease/Alzheimer’s Disease and Related Dementias and TBI.
 

Common Biomarker Signatures

A recent study in Neurology comparing 51 veterans with mild TBI (mTBI) with 85 veterans and civilians with no lifetime history of TBI is among the first to explore these biomarker changes in human beings.

“Our findings suggest that chronic neuropathologic processes associated with blast mTBI share properties in common with pathogenic processes that are precursors to Alzheimer’s disease onset,” said coauthor Elaine R. Peskind, MD, professor of psychiatry and behavioral sciences, University of Washington, Seattle.

The largely male participants were a mean age of 34 years and underwent standardized clinical and neuropsychological testing as well as lumbar puncture to collect cerebrospinal fluid (CSF). The mTBI group had experienced at least one war zone blast or combined blast/impact that met criteria for mTBI, but 91% had more than one blast mTBI, and the study took place over 13 years.

The researchers found that the mTBI group “had biomarker signatures in common with the earliest stages of Alzheimer’s disease,” said Dr. Peskind.

For example, at age 50, they had lower mean levels of CSF amyloid beta 42 (Abeta42), the earliest marker of brain parenchymal Abeta deposition, compared with the control group (154 pg/mL and 1864 pg/mL lower, respectively).

High CSF phosphorylated tau181 (p-tau181) and total tau are established biomarkers for Alzheimer’s disease. However, levels of these biomarkers remained “relatively constant with age” in participants with mTBI but were higher in older ages for the non-TBI group.

The mTBI group also showed worse cognitive performance at older ages (P < .08). Poorer verbal memory and verbal fluency performance were associated with lower CSF Abeta42 in older participants (P ≤ .05).

In Alzheimer’s disease, a reduction in CSF Abeta42 may occur up to 20 years before the onset of clinical symptoms, according to Dr. Peskind. “But what we don’t know from this study is what this means, as total tau protein and p-tau181 in the CSF were also low, which isn’t entirely typical in the picture of preclinical Alzheimer’s disease,” she said. However, changes in total tau and p-tau181 lag behind changes in Abeta42.
 

Is Impaired Clearance the Culprit?

Coauthor Jeffrey Iliff, PhD, professor, University of Washington Department of Psychiatry and Behavioral Sciences and University of Washington Department of Neurology, Seattle, elaborated.

“In the setting of Alzheimer’s disease, a signature of the disease is reduced CSF Abeta42, which is thought to reflect that much of the amyloid gets ‘stuck’ in the brain in the form of amyloid plaques,” he said. “There are usually higher levels of phosphorylated tau and total tau, which are thought to reflect the presence of tau tangles and degeneration of neurons in the brain. But in this study, all of those were lowered, which is not exactly an Alzheimer’s disease profile.”

Dr. Iliff, associate director for research, VA Northwest Mental Illness Research, Education, and Clinical Center at VA Puget Sound Health Care System, Seattle, suggested that the culprit may be impairment in the brain’s glymphatic system. “Recently described biological research supports [the concept of] clearance of waste out of the brain during sleep via the glymphatic system, with amyloid and tau being cleared from the brain interstitium during sleep.”

A recent hypothesis is that blast TBI impairs that process. “This is why we see less of those proteins in the CSF. They’re not being cleared, which might contribute downstream to the clumping up of protein in the brain,” he suggested.

The evidence base corroborating that hypothesis is in its infancy; however, new research conducted by Dr. Iliff and his colleagues sheds light on this potential mechanism.

In blast TBI, energy from the explosion and resulting overpressure wave are “transmitted through the brain, which causes tissues of different densities — such as gray and white matter — to accelerate at different rates,” according to Dr. Iliff. This results in the shearing and stretching of brain tissue, leading to a “diffuse pattern of tissue damage.”

It is known that blast TBI has clinical overlap and associations with posttraumatic stress disorder (PTSD), depression, and persistent neurobehavioral symptoms; that veterans with a history of TBI are more than twice as likely to die by suicide than veterans with no TBI history; and that TBI may increase the risk for Alzheimer’s disease and related dementing disorders, as well as CTE.

The missing link may be the glymphatic system — a “brain-wide network of perivascular pathways, along which CSF and interstitial fluid (ISF) exchange, supporting the clearance of interstitial solutes, including amyloid-beta.”

Dr. Iliff and his group previously found that glymphatic function is “markedly and chronically impaired” following impact TBI in mice and that this impairment is associated with the mislocalization of astroglial aquaporin 4 (AQP4), a water channel that lines perivascular spaces and plays a role in healthy glymphatic exchange.

In their new study, the researchers examined both the expression and the localization of AQP4 in the human postmortem frontal cortex and found “distinct laminar differences” in AQP4 expression following blast exposure. They observed similar changes as well as impairment of glymphatic function, which emerged 28 days following blast injury in a mouse model of repetitive blast mTBI.

And in a cohort of veterans with blast mTBI, blast exposure was found to be associated with an increased burden of frontal cortical MRI-visible perivascular spaces — a “putative neuroimaging marker” of glymphatic perivascular dysfunction.

The earlier Neurology study “showed impairment of biomarkers in the CSF, but the new study showed ‘why’ or ‘how’ these biomarkers are impaired, which is via impairment of the glymphatic clearance process,” Dr. Iliff explained.
 

Veterans Especially Vulnerable

Dr. Peskind, co-director of the VA Northwest Mental Illness Research, Education and Clinical Center, VA Puget Sound Health Care System, noted that while the veterans in the earlier study had at least one TBI, the average number was 20, and it was more common to have more than 50 mTBIs than to have a single one.

“These were highly exposed combat vets,” she said. “And that number doesn’t even account for subconcussive exposure to blasts, which now appear to cause detectable brain damage, even in the absence of a diagnosable TBI.”

The Maine shooter, Mr. Card, had not seen combat and was not assessed for TBI during a psychiatric hospitalization, according to The New York Times.

Dr. Peskind added that this type of blast damage is likely specific to individuals in the military. “It isn’t the sound that causes the damage,” she explained. “It’s the blast wave, the pressure wave, and there aren’t a lot of other occupations that have those types of occupational exposures.”

Dr. Snyder added that the majority of blast TBIs have been studied in military personnel, and she is not aware of studies that have looked at blast injuries in other industries, such as demolition or mining, to see if they have the same type of biologic consequences.

Dr. Snyder hopes that the researchers will follow the participants in the Neurology study and continue looking at specific markers related to Alzheimer’s disease brain changes. What the research so far shows “is that, at an earlier age, we’re starting to see those markers changing, suggesting that the underlying biology in people with mild blast TBI is similar to the underlying biology in Alzheimer’s disease as well.”

Michael Alosco, PhD, associate professor and vice chair of research, department of neurology, Boston University Chobanian & Avedisian School of Medicine, called the issue of blast exposure and TBI “a very complex and nuanced topic,” especially because TBI is “considered a risk factor of Alzheimer’s disease” and “different types of TBIs could trigger distinct pathophysiologic processes; however, the long-term impact of repetitive blast TBIs on neurodegenerative disease changes remains unknown.”

He coauthored an editorial on the earlier Neurology study that noted its limitations, such as a small sample size and lack of consideration of lifestyle and health factors but acknowledged that the “findings provide preliminary evidence that repetitive blast exposures might influence beta-amyloid accumulation.”
 

Clinical Implications

For Dr. Peskind, the “inflection point” was seeing lower CSF Abeta42, about 20 years earlier than ages 60 and 70, which is more typical in cognitively normal community volunteers.

But she described herself as “loath to say that veterans or service members have a 20-year acceleration of risk of Alzheimer’s disease,” adding, “I don’t want to scare the heck out of our service members of veterans.” Although “this is what we fear, we’re not ready to say it for sure yet because we need to do more work. Nevertheless, it does increase the index of suspicion.”

The clinical take-home messages are not unique to service members or veterans or people with a history of head injuries or a genetic predisposition to Alzheimer’s disease, she emphasized. “If anyone of any age or occupation comes in with cognitive issues, such as [impaired] memory or executive function, they deserve a workup for dementing disorders.” Frontotemporal dementia, for example, can present earlier than Alzheimer’s disease typically does.

Common comorbidities with TBI are PTSD and obstructive sleep apnea (OSA), which can also cause cognitive issues and are also risk factors for dementia.

Dr. Iliff agreed. “If you see a veteran with a history of PTSD, a history of blast TBI, and a history of OSA or some combination of those three, I recommend having a higher index of suspicion [for potential dementia] than for an average person without any of these, even at a younger age than one would ordinarily expect.”

Of all of these factors, the only truly directly modifiable one is sleep disruption, including that caused by OSA or sleep disorders related to PTSD, he added. “Epidemiologic data suggest a connection particularly between midlife sleep disruption and the risk of dementia and Alzheimer’s disease, and so it’s worth thinking about sleep as a modifiable risk factor even as early as the 40s and 50s, whether the patient is or isn’t a veteran.”

Dr. Peskind recommended asking patients, “Do they snore? Do they thrash about during sleep? Do they have trauma nightmares? This will inform the type of intervention required.”

Dr. Alosco added that there is no known “safe” threshold of exposure to blasts, and that thresholds are “unclear, particularly at the individual level.” In American football, there is a dose-response relationship between years of play and risk for later-life neurological disorder. “The best way to mitigate risk is to limit cumulative exposure,” he said.

The study by Li and colleagues was funded by grant funding from the Department of Veterans Affairs Rehabilitation Research and Development Service and the University of Washington Friends of Alzheimer’s Research. Other sources of funding to individual researchers are listed in the original paper. The study by Braun and colleagues was supported by the National Heart, Lung and Blood Institute; the Department of Veterans Affairs Rehabilitation Research and Development Service; and the National Institute on Aging. The white paper included studies that received funding from numerous sources, including the National Institutes of Health and the DOD. Dr. Iliff serves as the chair of the Scientific Advisory Board for Applied Cognition Inc., from which he receives compensation and in which he holds an equity stake. In the last year, he served as a paid consultant to Gryphon Biosciences. Dr. Peskind has served as a paid consultant to the companies Genentech, Roche, and Alpha Cognition. Dr. Alosco was supported by grant funding from the NIH; he received research support from Rainwater Charitable Foundation Inc., and Life Molecular Imaging Inc.; he has received a single honorarium from the Michael J. Fox Foundation for services unrelated to this editorial; and he received royalties from Oxford University Press Inc. The other authors’ disclosures are listed in the original papers.
 

A version of this article appeared on Medscape.com.

In October 2023, Robert Card — a grenade instructor in the Army Reserve — shot and killed 18 people in Maine, before turning the gun on himself. As reported by The New York Times, his family said that he had become increasingly erratic and violent during the months before the rampage.

A postmortem conducted by the Chronic Traumatic Encephalopathy (CTE) Center at Boston University found “significant evidence of traumatic brain injuries” [TBIs] and “significant degeneration, axonal and myelin loss, inflammation, and small blood vessel injury” in the white matter, the center’s director, Ann McKee, MD, said in a press release. “These findings align with our previous studies on the effects of blast injury in humans and experimental models.”

Members of the military, such as Mr. Card, are exposed to blasts from repeated firing of heavy weapons not only during combat but also during training.

New data suggest that repeated blast exposure may impair the brain’s waste clearance system, leading to biomarker changes indicative of preclinical Alzheimer’s disease 20 years earlier than typical. A higher index of suspicion for dementia or Alzheimer’s disease may be warranted in patients with a history of blast exposure or subconcussive brain injury who present with cognitive issues, according to experts interviewed.

In 2022, the US Department of Defense (DOD) launched its Warfighter Brain Health Initiative with the aim of “optimizing service member brain health and countering traumatic brain injuries.”

In April 2024, the Blast Overpressure Safety Act was introduced in the Senate to require the DOD to enact better blast screening, tracking, prevention, and treatment. The DOD initiated 26 blast overpressure studies.

Heather Snyder, PhD, Alzheimer’s Association vice president of Medical and Scientific Relations, said that an important component of that research involves “the need to study the difference between TBI-caused dementia and dementia caused independently” and “the need to study biomarkers to better understand the long-term consequences of TBI.”
 

What Is the Underlying Biology?

Dr. Snyder was the lead author of a white paper produced by the Alzheimer’s Association in 2018 on military-related risk factors for Alzheimer’s disease and related dementias. “There is a lot of work trying to understand the effect of pure blast waves on the brain, as opposed to the actual impact of the injury,” she said.

The white paper speculated that blast exposure may be analogous to subconcussive brain injury in athletes where there are no obvious immediate clinical symptoms or neurological dysfunction but which can cause cumulative injury and functional impairment over time.

“We are also trying to understand the underlying biology around brain changes, such as accumulation of tau and amyloid and other specific markers related to brain changes in Alzheimer’s disease,” said Dr. Snyder, chair of the Peer Reviewed Alzheimer’s Research Program Programmatic Panel for Alzheimer’s Disease/Alzheimer’s Disease and Related Dementias and TBI.
 

Common Biomarker Signatures

A recent study in Neurology comparing 51 veterans with mild TBI (mTBI) with 85 veterans and civilians with no lifetime history of TBI is among the first to explore these biomarker changes in human beings.

“Our findings suggest that chronic neuropathologic processes associated with blast mTBI share properties in common with pathogenic processes that are precursors to Alzheimer’s disease onset,” said coauthor Elaine R. Peskind, MD, professor of psychiatry and behavioral sciences, University of Washington, Seattle.

The largely male participants were a mean age of 34 years and underwent standardized clinical and neuropsychological testing as well as lumbar puncture to collect cerebrospinal fluid (CSF). The mTBI group had experienced at least one war zone blast or combined blast/impact that met criteria for mTBI, but 91% had more than one blast mTBI, and the study took place over 13 years.

The researchers found that the mTBI group “had biomarker signatures in common with the earliest stages of Alzheimer’s disease,” said Dr. Peskind.

For example, at age 50, they had lower mean levels of CSF amyloid beta 42 (Abeta42), the earliest marker of brain parenchymal Abeta deposition, compared with the control group (154 pg/mL and 1864 pg/mL lower, respectively).

High CSF phosphorylated tau181 (p-tau181) and total tau are established biomarkers for Alzheimer’s disease. However, levels of these biomarkers remained “relatively constant with age” in participants with mTBI but were higher in older ages for the non-TBI group.

The mTBI group also showed worse cognitive performance at older ages (P < .08). Poorer verbal memory and verbal fluency performance were associated with lower CSF Abeta42 in older participants (P ≤ .05).

In Alzheimer’s disease, a reduction in CSF Abeta42 may occur up to 20 years before the onset of clinical symptoms, according to Dr. Peskind. “But what we don’t know from this study is what this means, as total tau protein and p-tau181 in the CSF were also low, which isn’t entirely typical in the picture of preclinical Alzheimer’s disease,” she said. However, changes in total tau and p-tau181 lag behind changes in Abeta42.
 

Is Impaired Clearance the Culprit?

Coauthor Jeffrey Iliff, PhD, professor, University of Washington Department of Psychiatry and Behavioral Sciences and University of Washington Department of Neurology, Seattle, elaborated.

“In the setting of Alzheimer’s disease, a signature of the disease is reduced CSF Abeta42, which is thought to reflect that much of the amyloid gets ‘stuck’ in the brain in the form of amyloid plaques,” he said. “There are usually higher levels of phosphorylated tau and total tau, which are thought to reflect the presence of tau tangles and degeneration of neurons in the brain. But in this study, all of those were lowered, which is not exactly an Alzheimer’s disease profile.”

Dr. Iliff, associate director for research, VA Northwest Mental Illness Research, Education, and Clinical Center at VA Puget Sound Health Care System, Seattle, suggested that the culprit may be impairment in the brain’s glymphatic system. “Recently described biological research supports [the concept of] clearance of waste out of the brain during sleep via the glymphatic system, with amyloid and tau being cleared from the brain interstitium during sleep.”

A recent hypothesis is that blast TBI impairs that process. “This is why we see less of those proteins in the CSF. They’re not being cleared, which might contribute downstream to the clumping up of protein in the brain,” he suggested.

The evidence base corroborating that hypothesis is in its infancy; however, new research conducted by Dr. Iliff and his colleagues sheds light on this potential mechanism.

In blast TBI, energy from the explosion and resulting overpressure wave are “transmitted through the brain, which causes tissues of different densities — such as gray and white matter — to accelerate at different rates,” according to Dr. Iliff. This results in the shearing and stretching of brain tissue, leading to a “diffuse pattern of tissue damage.”

It is known that blast TBI has clinical overlap and associations with posttraumatic stress disorder (PTSD), depression, and persistent neurobehavioral symptoms; that veterans with a history of TBI are more than twice as likely to die by suicide than veterans with no TBI history; and that TBI may increase the risk for Alzheimer’s disease and related dementing disorders, as well as CTE.

The missing link may be the glymphatic system — a “brain-wide network of perivascular pathways, along which CSF and interstitial fluid (ISF) exchange, supporting the clearance of interstitial solutes, including amyloid-beta.”

Dr. Iliff and his group previously found that glymphatic function is “markedly and chronically impaired” following impact TBI in mice and that this impairment is associated with the mislocalization of astroglial aquaporin 4 (AQP4), a water channel that lines perivascular spaces and plays a role in healthy glymphatic exchange.

In their new study, the researchers examined both the expression and the localization of AQP4 in the human postmortem frontal cortex and found “distinct laminar differences” in AQP4 expression following blast exposure. They observed similar changes as well as impairment of glymphatic function, which emerged 28 days following blast injury in a mouse model of repetitive blast mTBI.

And in a cohort of veterans with blast mTBI, blast exposure was found to be associated with an increased burden of frontal cortical MRI-visible perivascular spaces — a “putative neuroimaging marker” of glymphatic perivascular dysfunction.

The earlier Neurology study “showed impairment of biomarkers in the CSF, but the new study showed ‘why’ or ‘how’ these biomarkers are impaired, which is via impairment of the glymphatic clearance process,” Dr. Iliff explained.
 

Veterans Especially Vulnerable

Dr. Peskind, co-director of the VA Northwest Mental Illness Research, Education and Clinical Center, VA Puget Sound Health Care System, noted that while the veterans in the earlier study had at least one TBI, the average number was 20, and it was more common to have more than 50 mTBIs than to have a single one.

“These were highly exposed combat vets,” she said. “And that number doesn’t even account for subconcussive exposure to blasts, which now appear to cause detectable brain damage, even in the absence of a diagnosable TBI.”

The Maine shooter, Mr. Card, had not seen combat and was not assessed for TBI during a psychiatric hospitalization, according to The New York Times.

Dr. Peskind added that this type of blast damage is likely specific to individuals in the military. “It isn’t the sound that causes the damage,” she explained. “It’s the blast wave, the pressure wave, and there aren’t a lot of other occupations that have those types of occupational exposures.”

Dr. Snyder added that the majority of blast TBIs have been studied in military personnel, and she is not aware of studies that have looked at blast injuries in other industries, such as demolition or mining, to see if they have the same type of biologic consequences.

Dr. Snyder hopes that the researchers will follow the participants in the Neurology study and continue looking at specific markers related to Alzheimer’s disease brain changes. What the research so far shows “is that, at an earlier age, we’re starting to see those markers changing, suggesting that the underlying biology in people with mild blast TBI is similar to the underlying biology in Alzheimer’s disease as well.”

Michael Alosco, PhD, associate professor and vice chair of research, department of neurology, Boston University Chobanian & Avedisian School of Medicine, called the issue of blast exposure and TBI “a very complex and nuanced topic,” especially because TBI is “considered a risk factor of Alzheimer’s disease” and “different types of TBIs could trigger distinct pathophysiologic processes; however, the long-term impact of repetitive blast TBIs on neurodegenerative disease changes remains unknown.”

He coauthored an editorial on the earlier Neurology study that noted its limitations, such as a small sample size and lack of consideration of lifestyle and health factors but acknowledged that the “findings provide preliminary evidence that repetitive blast exposures might influence beta-amyloid accumulation.”
 

Clinical Implications

For Dr. Peskind, the “inflection point” was seeing lower CSF Abeta42, about 20 years earlier than ages 60 and 70, which is more typical in cognitively normal community volunteers.

But she described herself as “loath to say that veterans or service members have a 20-year acceleration of risk of Alzheimer’s disease,” adding, “I don’t want to scare the heck out of our service members of veterans.” Although “this is what we fear, we’re not ready to say it for sure yet because we need to do more work. Nevertheless, it does increase the index of suspicion.”

The clinical take-home messages are not unique to service members or veterans or people with a history of head injuries or a genetic predisposition to Alzheimer’s disease, she emphasized. “If anyone of any age or occupation comes in with cognitive issues, such as [impaired] memory or executive function, they deserve a workup for dementing disorders.” Frontotemporal dementia, for example, can present earlier than Alzheimer’s disease typically does.

Common comorbidities with TBI are PTSD and obstructive sleep apnea (OSA), which can also cause cognitive issues and are also risk factors for dementia.

Dr. Iliff agreed. “If you see a veteran with a history of PTSD, a history of blast TBI, and a history of OSA or some combination of those three, I recommend having a higher index of suspicion [for potential dementia] than for an average person without any of these, even at a younger age than one would ordinarily expect.”

Of all of these factors, the only truly directly modifiable one is sleep disruption, including that caused by OSA or sleep disorders related to PTSD, he added. “Epidemiologic data suggest a connection particularly between midlife sleep disruption and the risk of dementia and Alzheimer’s disease, and so it’s worth thinking about sleep as a modifiable risk factor even as early as the 40s and 50s, whether the patient is or isn’t a veteran.”

Dr. Peskind recommended asking patients, “Do they snore? Do they thrash about during sleep? Do they have trauma nightmares? This will inform the type of intervention required.”

Dr. Alosco added that there is no known “safe” threshold of exposure to blasts, and that thresholds are “unclear, particularly at the individual level.” In American football, there is a dose-response relationship between years of play and risk for later-life neurological disorder. “The best way to mitigate risk is to limit cumulative exposure,” he said.

The study by Li and colleagues was funded by grant funding from the Department of Veterans Affairs Rehabilitation Research and Development Service and the University of Washington Friends of Alzheimer’s Research. Other sources of funding to individual researchers are listed in the original paper. The study by Braun and colleagues was supported by the National Heart, Lung and Blood Institute; the Department of Veterans Affairs Rehabilitation Research and Development Service; and the National Institute on Aging. The white paper included studies that received funding from numerous sources, including the National Institutes of Health and the DOD. Dr. Iliff serves as the chair of the Scientific Advisory Board for Applied Cognition Inc., from which he receives compensation and in which he holds an equity stake. In the last year, he served as a paid consultant to Gryphon Biosciences. Dr. Peskind has served as a paid consultant to the companies Genentech, Roche, and Alpha Cognition. Dr. Alosco was supported by grant funding from the NIH; he received research support from Rainwater Charitable Foundation Inc., and Life Molecular Imaging Inc.; he has received a single honorarium from the Michael J. Fox Foundation for services unrelated to this editorial; and he received royalties from Oxford University Press Inc. The other authors’ disclosures are listed in the original papers.
 

A version of this article appeared on Medscape.com.

In October 2023, Robert Card — a grenade instructor in the Army Reserve — shot and killed 18 people in Maine, before turning the gun on himself. As reported by The New York Times, his family said that he had become increasingly erratic and violent during the months before the rampage.

A postmortem conducted by the Chronic Traumatic Encephalopathy (CTE) Center at Boston University found “significant evidence of traumatic brain injuries” [TBIs] and “significant degeneration, axonal and myelin loss, inflammation, and small blood vessel injury” in the white matter, the center’s director, Ann McKee, MD, said in a press release. “These findings align with our previous studies on the effects of blast injury in humans and experimental models.”

Members of the military, such as Mr. Card, are exposed to blasts from repeated firing of heavy weapons not only during combat but also during training.

New data suggest that repeated blast exposure may impair the brain’s waste clearance system, leading to biomarker changes indicative of preclinical Alzheimer’s disease 20 years earlier than typical. A higher index of suspicion for dementia or Alzheimer’s disease may be warranted in patients with a history of blast exposure or subconcussive brain injury who present with cognitive issues, according to experts interviewed.

In 2022, the US Department of Defense (DOD) launched its Warfighter Brain Health Initiative with the aim of “optimizing service member brain health and countering traumatic brain injuries.”

In April 2024, the Blast Overpressure Safety Act was introduced in the Senate to require the DOD to enact better blast screening, tracking, prevention, and treatment. The DOD initiated 26 blast overpressure studies.

Heather Snyder, PhD, Alzheimer’s Association vice president of Medical and Scientific Relations, said that an important component of that research involves “the need to study the difference between TBI-caused dementia and dementia caused independently” and “the need to study biomarkers to better understand the long-term consequences of TBI.”
 

What Is the Underlying Biology?

Dr. Snyder was the lead author of a white paper produced by the Alzheimer’s Association in 2018 on military-related risk factors for Alzheimer’s disease and related dementias. “There is a lot of work trying to understand the effect of pure blast waves on the brain, as opposed to the actual impact of the injury,” she said.

The white paper speculated that blast exposure may be analogous to subconcussive brain injury in athletes where there are no obvious immediate clinical symptoms or neurological dysfunction but which can cause cumulative injury and functional impairment over time.

“We are also trying to understand the underlying biology around brain changes, such as accumulation of tau and amyloid and other specific markers related to brain changes in Alzheimer’s disease,” said Dr. Snyder, chair of the Peer Reviewed Alzheimer’s Research Program Programmatic Panel for Alzheimer’s Disease/Alzheimer’s Disease and Related Dementias and TBI.
 

Common Biomarker Signatures

A recent study in Neurology comparing 51 veterans with mild TBI (mTBI) with 85 veterans and civilians with no lifetime history of TBI is among the first to explore these biomarker changes in human beings.

“Our findings suggest that chronic neuropathologic processes associated with blast mTBI share properties in common with pathogenic processes that are precursors to Alzheimer’s disease onset,” said coauthor Elaine R. Peskind, MD, professor of psychiatry and behavioral sciences, University of Washington, Seattle.

The largely male participants were a mean age of 34 years and underwent standardized clinical and neuropsychological testing as well as lumbar puncture to collect cerebrospinal fluid (CSF). The mTBI group had experienced at least one war zone blast or combined blast/impact that met criteria for mTBI, but 91% had more than one blast mTBI, and the study took place over 13 years.

The researchers found that the mTBI group “had biomarker signatures in common with the earliest stages of Alzheimer’s disease,” said Dr. Peskind.

For example, at age 50, they had lower mean levels of CSF amyloid beta 42 (Abeta42), the earliest marker of brain parenchymal Abeta deposition, compared with the control group (154 pg/mL and 1864 pg/mL lower, respectively).

High CSF phosphorylated tau181 (p-tau181) and total tau are established biomarkers for Alzheimer’s disease. However, levels of these biomarkers remained “relatively constant with age” in participants with mTBI but were higher in older ages for the non-TBI group.

The mTBI group also showed worse cognitive performance at older ages (P < .08). Poorer verbal memory and verbal fluency performance were associated with lower CSF Abeta42 in older participants (P ≤ .05).

In Alzheimer’s disease, a reduction in CSF Abeta42 may occur up to 20 years before the onset of clinical symptoms, according to Dr. Peskind. “But what we don’t know from this study is what this means, as total tau protein and p-tau181 in the CSF were also low, which isn’t entirely typical in the picture of preclinical Alzheimer’s disease,” she said. However, changes in total tau and p-tau181 lag behind changes in Abeta42.
 

Is Impaired Clearance the Culprit?

Coauthor Jeffrey Iliff, PhD, professor, University of Washington Department of Psychiatry and Behavioral Sciences and University of Washington Department of Neurology, Seattle, elaborated.

“In the setting of Alzheimer’s disease, a signature of the disease is reduced CSF Abeta42, which is thought to reflect that much of the amyloid gets ‘stuck’ in the brain in the form of amyloid plaques,” he said. “There are usually higher levels of phosphorylated tau and total tau, which are thought to reflect the presence of tau tangles and degeneration of neurons in the brain. But in this study, all of those were lowered, which is not exactly an Alzheimer’s disease profile.”

Dr. Iliff, associate director for research, VA Northwest Mental Illness Research, Education, and Clinical Center at VA Puget Sound Health Care System, Seattle, suggested that the culprit may be impairment in the brain’s glymphatic system. “Recently described biological research supports [the concept of] clearance of waste out of the brain during sleep via the glymphatic system, with amyloid and tau being cleared from the brain interstitium during sleep.”

A recent hypothesis is that blast TBI impairs that process. “This is why we see less of those proteins in the CSF. They’re not being cleared, which might contribute downstream to the clumping up of protein in the brain,” he suggested.

The evidence base corroborating that hypothesis is in its infancy; however, new research conducted by Dr. Iliff and his colleagues sheds light on this potential mechanism.

In blast TBI, energy from the explosion and resulting overpressure wave are “transmitted through the brain, which causes tissues of different densities — such as gray and white matter — to accelerate at different rates,” according to Dr. Iliff. This results in the shearing and stretching of brain tissue, leading to a “diffuse pattern of tissue damage.”

It is known that blast TBI has clinical overlap and associations with posttraumatic stress disorder (PTSD), depression, and persistent neurobehavioral symptoms; that veterans with a history of TBI are more than twice as likely to die by suicide than veterans with no TBI history; and that TBI may increase the risk for Alzheimer’s disease and related dementing disorders, as well as CTE.

The missing link may be the glymphatic system — a “brain-wide network of perivascular pathways, along which CSF and interstitial fluid (ISF) exchange, supporting the clearance of interstitial solutes, including amyloid-beta.”

Dr. Iliff and his group previously found that glymphatic function is “markedly and chronically impaired” following impact TBI in mice and that this impairment is associated with the mislocalization of astroglial aquaporin 4 (AQP4), a water channel that lines perivascular spaces and plays a role in healthy glymphatic exchange.

In their new study, the researchers examined both the expression and the localization of AQP4 in the human postmortem frontal cortex and found “distinct laminar differences” in AQP4 expression following blast exposure. They observed similar changes as well as impairment of glymphatic function, which emerged 28 days following blast injury in a mouse model of repetitive blast mTBI.

And in a cohort of veterans with blast mTBI, blast exposure was found to be associated with an increased burden of frontal cortical MRI-visible perivascular spaces — a “putative neuroimaging marker” of glymphatic perivascular dysfunction.

The earlier Neurology study “showed impairment of biomarkers in the CSF, but the new study showed ‘why’ or ‘how’ these biomarkers are impaired, which is via impairment of the glymphatic clearance process,” Dr. Iliff explained.
 

Veterans Especially Vulnerable

Dr. Peskind, co-director of the VA Northwest Mental Illness Research, Education and Clinical Center, VA Puget Sound Health Care System, noted that while the veterans in the earlier study had at least one TBI, the average number was 20, and it was more common to have more than 50 mTBIs than to have a single one.

“These were highly exposed combat vets,” she said. “And that number doesn’t even account for subconcussive exposure to blasts, which now appear to cause detectable brain damage, even in the absence of a diagnosable TBI.”

The Maine shooter, Mr. Card, had not seen combat and was not assessed for TBI during a psychiatric hospitalization, according to The New York Times.

Dr. Peskind added that this type of blast damage is likely specific to individuals in the military. “It isn’t the sound that causes the damage,” she explained. “It’s the blast wave, the pressure wave, and there aren’t a lot of other occupations that have those types of occupational exposures.”

Dr. Snyder added that the majority of blast TBIs have been studied in military personnel, and she is not aware of studies that have looked at blast injuries in other industries, such as demolition or mining, to see if they have the same type of biologic consequences.

Dr. Snyder hopes that the researchers will follow the participants in the Neurology study and continue looking at specific markers related to Alzheimer’s disease brain changes. What the research so far shows “is that, at an earlier age, we’re starting to see those markers changing, suggesting that the underlying biology in people with mild blast TBI is similar to the underlying biology in Alzheimer’s disease as well.”

Michael Alosco, PhD, associate professor and vice chair of research, department of neurology, Boston University Chobanian & Avedisian School of Medicine, called the issue of blast exposure and TBI “a very complex and nuanced topic,” especially because TBI is “considered a risk factor of Alzheimer’s disease” and “different types of TBIs could trigger distinct pathophysiologic processes; however, the long-term impact of repetitive blast TBIs on neurodegenerative disease changes remains unknown.”

He coauthored an editorial on the earlier Neurology study that noted its limitations, such as a small sample size and lack of consideration of lifestyle and health factors but acknowledged that the “findings provide preliminary evidence that repetitive blast exposures might influence beta-amyloid accumulation.”
 

Clinical Implications

For Dr. Peskind, the “inflection point” was seeing lower CSF Abeta42, about 20 years earlier than ages 60 and 70, which is more typical in cognitively normal community volunteers.

But she described herself as “loath to say that veterans or service members have a 20-year acceleration of risk of Alzheimer’s disease,” adding, “I don’t want to scare the heck out of our service members of veterans.” Although “this is what we fear, we’re not ready to say it for sure yet because we need to do more work. Nevertheless, it does increase the index of suspicion.”

The clinical take-home messages are not unique to service members or veterans or people with a history of head injuries or a genetic predisposition to Alzheimer’s disease, she emphasized. “If anyone of any age or occupation comes in with cognitive issues, such as [impaired] memory or executive function, they deserve a workup for dementing disorders.” Frontotemporal dementia, for example, can present earlier than Alzheimer’s disease typically does.

Common comorbidities with TBI are PTSD and obstructive sleep apnea (OSA), which can also cause cognitive issues and are also risk factors for dementia.

Dr. Iliff agreed. “If you see a veteran with a history of PTSD, a history of blast TBI, and a history of OSA or some combination of those three, I recommend having a higher index of suspicion [for potential dementia] than for an average person without any of these, even at a younger age than one would ordinarily expect.”

Of all of these factors, the only truly directly modifiable one is sleep disruption, including that caused by OSA or sleep disorders related to PTSD, he added. “Epidemiologic data suggest a connection particularly between midlife sleep disruption and the risk of dementia and Alzheimer’s disease, and so it’s worth thinking about sleep as a modifiable risk factor even as early as the 40s and 50s, whether the patient is or isn’t a veteran.”

Dr. Peskind recommended asking patients, “Do they snore? Do they thrash about during sleep? Do they have trauma nightmares? This will inform the type of intervention required.”

Dr. Alosco added that there is no known “safe” threshold of exposure to blasts, and that thresholds are “unclear, particularly at the individual level.” In American football, there is a dose-response relationship between years of play and risk for later-life neurological disorder. “The best way to mitigate risk is to limit cumulative exposure,” he said.

The study by Li and colleagues was funded by grant funding from the Department of Veterans Affairs Rehabilitation Research and Development Service and the University of Washington Friends of Alzheimer’s Research. Other sources of funding to individual researchers are listed in the original paper. The study by Braun and colleagues was supported by the National Heart, Lung and Blood Institute; the Department of Veterans Affairs Rehabilitation Research and Development Service; and the National Institute on Aging. The white paper included studies that received funding from numerous sources, including the National Institutes of Health and the DOD. Dr. Iliff serves as the chair of the Scientific Advisory Board for Applied Cognition Inc., from which he receives compensation and in which he holds an equity stake. In the last year, he served as a paid consultant to Gryphon Biosciences. Dr. Peskind has served as a paid consultant to the companies Genentech, Roche, and Alpha Cognition. Dr. Alosco was supported by grant funding from the NIH; he received research support from Rainwater Charitable Foundation Inc., and Life Molecular Imaging Inc.; he has received a single honorarium from the Michael J. Fox Foundation for services unrelated to this editorial; and he received royalties from Oxford University Press Inc. The other authors’ disclosures are listed in the original papers.
 

A version of this article appeared on Medscape.com.

SAN DIEGO — Migraine may be associated with a greater risk of cardiovascular disease, ischemic stroke, and transient ischemic attack (TIA), but also a reduction in risk of hemorrhagic stroke in men, according to results from a retrospective analysis of Veterans Health Administration (VHA) data. Migraine was also linked to greater risk of cardiovascular disease, and the researchers found similar risk among both genders, with the exceptions of a larger stroke risk among women and larger risk of TIA among men.

Gender Matters

The research complements other studies, such as an analysis drawn from the Women’s Health Study, according to Alexandra Schwartz, a doctoral student at Yeshiva University, who presented the research at the annual meeting of the American Headache Society. That study found a 53% increased risk of stroke (hazard ratio [HR], 1.53; 95% confidence interval [CI], 1.02-2.31) among 17,531 female subjects between the ages of 25 and 42. Another, smaller study in 1,400 men drawn from the Physicians Health study found an increased risk of major cardiovascular events of 1.24 (P = .008). Previous studies have shown that around two-thirds of VHA patients with migraine are male. “Our population gives us this really unique opportunity to look at men with migraine,” Ms. Schwartz said in an interview.

The differential risk factors among men and women are tantalizing. “Gender likely matters in terms of how migraine and stroke are related, and a number of other cardiovascular diseases,” said Ms. Schwartz.

Migraine has long been considered a disease of women, but 6% of men experience the condition, making it important to understand how migraine might affect cardiovascular result in men. “We would expect that there could be different underlying mechanisms in this kind of relationship ... it is absolutely worth understanding the extent to which this disease might impact their risk of cardiovascular events,” senior author Elizabeth Seng, PhD, said in an interview. She is a professor at Yeshiva University and a research associate at Albert Einstein School of Medicine.

The researchers examined data from 2,006,905 veterans between 2008 and 2021, including 681,784 migraineurs (492,234 men; 189,430 women) and 1,325,121 controls (983,154 men; 341,967 women) that were matched based on age within a 5-year band, gender, race, ethnicity, and VHA site of care.

Among individuals diagnosed with migraine, there was an increased risk of ischemic stroke (odds ratio [OR], 2.7; 95% CI, 2.6-2.7), TIA (OR, 7.3; 95% CI, 6.8-7.7), cardiovascular disease (OR, 3.6; 95% CI, 3.5-3.6), acute myocardial infarction (OR, 1.7; 95% CI, 1.6-1.8), heart failure (OR, 1.3; 95% CI, 1.3-1.4), and unstable angina (OR, 2.7; 95% CI, 2.5-2.8). There was an association between migraine and a lower risk of hemorrhagic stroke (OR, 0.4; 95% CI, 0.4-0.5), but only in men. When the findings were analyzed by gender, the findings were generally similar with the exception of a statistically significant, larger risk of ischemic stroke in women (OR, 3.0 versus 2.6), and a trend toward greater risk of TIA in men (OR, 7.3 versus 6.5).

While the study lends unique insight due to the high proportion of men, it also comes with the limitation that the participants were veterans, and may therefore differ from the general population with respect to general health status and other characteristics, said Ms. Schwartz.
 

Another Piece of the Puzzle

The large number of men in the study is important, according to session moderator Laine Green, MD, who was asked for comment. “The biggest population that was studied with respect to cardiovascular risk was the Women’s Health Study, which was predominantly White nurses over time, and it is one of our biggest important pieces of information when it comes to cardiovascular risk, specifically looking at those with migraine who seem to have this doubling of their underlying stroke risk. Trying to get the same type of information from different populations is exquisitely helpful, because it’s long been thought that the risk for stroke and cardiovascular events seems to lie with females with aura. Knowing that there may be risk in other groups is important and part of the overall counseling that we do with patients,” said Dr. Green, assistant professor of neurology at Mayo Clinic Arizona.

The findings could hint at causal mechanisms, according to Dr. Seng. Preliminary analyses, not yet reported, suggest that age also plays a role in the relationship between migraine and cardiovascular risks. “I think that it’s important to [determine] to what extent migraine might back up the curve on the age-related timing of these events. Migraine peaks in the 40s, and that’s well before most of these cardiovascular events peak. We want to understand not just the cross-sectional relationships, which were large, but also the extent to which migraine may be having a differential impact on risk in different age bands,” said Dr. Seng.

Ms. Schwartz, Dr. Seng, and Dr. Green have no relevant financial disclosures.

SAN DIEGO — Migraine may be associated with a greater risk of cardiovascular disease, ischemic stroke, and transient ischemic attack (TIA), but also a reduction in risk of hemorrhagic stroke in men, according to results from a retrospective analysis of Veterans Health Administration (VHA) data. Migraine was also linked to greater risk of cardiovascular disease, and the researchers found similar risk among both genders, with the exceptions of a larger stroke risk among women and larger risk of TIA among men.

Gender Matters

The research complements other studies, such as an analysis drawn from the Women’s Health Study, according to Alexandra Schwartz, a doctoral student at Yeshiva University, who presented the research at the annual meeting of the American Headache Society. That study found a 53% increased risk of stroke (hazard ratio [HR], 1.53; 95% confidence interval [CI], 1.02-2.31) among 17,531 female subjects between the ages of 25 and 42. Another, smaller study in 1,400 men drawn from the Physicians Health study found an increased risk of major cardiovascular events of 1.24 (P = .008). Previous studies have shown that around two-thirds of VHA patients with migraine are male. “Our population gives us this really unique opportunity to look at men with migraine,” Ms. Schwartz said in an interview.

The differential risk factors among men and women are tantalizing. “Gender likely matters in terms of how migraine and stroke are related, and a number of other cardiovascular diseases,” said Ms. Schwartz.

Migraine has long been considered a disease of women, but 6% of men experience the condition, making it important to understand how migraine might affect cardiovascular result in men. “We would expect that there could be different underlying mechanisms in this kind of relationship ... it is absolutely worth understanding the extent to which this disease might impact their risk of cardiovascular events,” senior author Elizabeth Seng, PhD, said in an interview. She is a professor at Yeshiva University and a research associate at Albert Einstein School of Medicine.

The researchers examined data from 2,006,905 veterans between 2008 and 2021, including 681,784 migraineurs (492,234 men; 189,430 women) and 1,325,121 controls (983,154 men; 341,967 women) that were matched based on age within a 5-year band, gender, race, ethnicity, and VHA site of care.

Among individuals diagnosed with migraine, there was an increased risk of ischemic stroke (odds ratio [OR], 2.7; 95% CI, 2.6-2.7), TIA (OR, 7.3; 95% CI, 6.8-7.7), cardiovascular disease (OR, 3.6; 95% CI, 3.5-3.6), acute myocardial infarction (OR, 1.7; 95% CI, 1.6-1.8), heart failure (OR, 1.3; 95% CI, 1.3-1.4), and unstable angina (OR, 2.7; 95% CI, 2.5-2.8). There was an association between migraine and a lower risk of hemorrhagic stroke (OR, 0.4; 95% CI, 0.4-0.5), but only in men. When the findings were analyzed by gender, the findings were generally similar with the exception of a statistically significant, larger risk of ischemic stroke in women (OR, 3.0 versus 2.6), and a trend toward greater risk of TIA in men (OR, 7.3 versus 6.5).

While the study lends unique insight due to the high proportion of men, it also comes with the limitation that the participants were veterans, and may therefore differ from the general population with respect to general health status and other characteristics, said Ms. Schwartz.
 

Another Piece of the Puzzle

The large number of men in the study is important, according to session moderator Laine Green, MD, who was asked for comment. “The biggest population that was studied with respect to cardiovascular risk was the Women’s Health Study, which was predominantly White nurses over time, and it is one of our biggest important pieces of information when it comes to cardiovascular risk, specifically looking at those with migraine who seem to have this doubling of their underlying stroke risk. Trying to get the same type of information from different populations is exquisitely helpful, because it’s long been thought that the risk for stroke and cardiovascular events seems to lie with females with aura. Knowing that there may be risk in other groups is important and part of the overall counseling that we do with patients,” said Dr. Green, assistant professor of neurology at Mayo Clinic Arizona.

The findings could hint at causal mechanisms, according to Dr. Seng. Preliminary analyses, not yet reported, suggest that age also plays a role in the relationship between migraine and cardiovascular risks. “I think that it’s important to [determine] to what extent migraine might back up the curve on the age-related timing of these events. Migraine peaks in the 40s, and that’s well before most of these cardiovascular events peak. We want to understand not just the cross-sectional relationships, which were large, but also the extent to which migraine may be having a differential impact on risk in different age bands,” said Dr. Seng.

Ms. Schwartz, Dr. Seng, and Dr. Green have no relevant financial disclosures.

SAN DIEGO — Migraine may be associated with a greater risk of cardiovascular disease, ischemic stroke, and transient ischemic attack (TIA), but also a reduction in risk of hemorrhagic stroke in men, according to results from a retrospective analysis of Veterans Health Administration (VHA) data. Migraine was also linked to greater risk of cardiovascular disease, and the researchers found similar risk among both genders, with the exceptions of a larger stroke risk among women and larger risk of TIA among men.

Gender Matters

The research complements other studies, such as an analysis drawn from the Women’s Health Study, according to Alexandra Schwartz, a doctoral student at Yeshiva University, who presented the research at the annual meeting of the American Headache Society. That study found a 53% increased risk of stroke (hazard ratio [HR], 1.53; 95% confidence interval [CI], 1.02-2.31) among 17,531 female subjects between the ages of 25 and 42. Another, smaller study in 1,400 men drawn from the Physicians Health study found an increased risk of major cardiovascular events of 1.24 (P = .008). Previous studies have shown that around two-thirds of VHA patients with migraine are male. “Our population gives us this really unique opportunity to look at men with migraine,” Ms. Schwartz said in an interview.

The differential risk factors among men and women are tantalizing. “Gender likely matters in terms of how migraine and stroke are related, and a number of other cardiovascular diseases,” said Ms. Schwartz.

Migraine has long been considered a disease of women, but 6% of men experience the condition, making it important to understand how migraine might affect cardiovascular result in men. “We would expect that there could be different underlying mechanisms in this kind of relationship ... it is absolutely worth understanding the extent to which this disease might impact their risk of cardiovascular events,” senior author Elizabeth Seng, PhD, said in an interview. She is a professor at Yeshiva University and a research associate at Albert Einstein School of Medicine.

The researchers examined data from 2,006,905 veterans between 2008 and 2021, including 681,784 migraineurs (492,234 men; 189,430 women) and 1,325,121 controls (983,154 men; 341,967 women) that were matched based on age within a 5-year band, gender, race, ethnicity, and VHA site of care.

Among individuals diagnosed with migraine, there was an increased risk of ischemic stroke (odds ratio [OR], 2.7; 95% CI, 2.6-2.7), TIA (OR, 7.3; 95% CI, 6.8-7.7), cardiovascular disease (OR, 3.6; 95% CI, 3.5-3.6), acute myocardial infarction (OR, 1.7; 95% CI, 1.6-1.8), heart failure (OR, 1.3; 95% CI, 1.3-1.4), and unstable angina (OR, 2.7; 95% CI, 2.5-2.8). There was an association between migraine and a lower risk of hemorrhagic stroke (OR, 0.4; 95% CI, 0.4-0.5), but only in men. When the findings were analyzed by gender, the findings were generally similar with the exception of a statistically significant, larger risk of ischemic stroke in women (OR, 3.0 versus 2.6), and a trend toward greater risk of TIA in men (OR, 7.3 versus 6.5).

While the study lends unique insight due to the high proportion of men, it also comes with the limitation that the participants were veterans, and may therefore differ from the general population with respect to general health status and other characteristics, said Ms. Schwartz.
 

Another Piece of the Puzzle

The large number of men in the study is important, according to session moderator Laine Green, MD, who was asked for comment. “The biggest population that was studied with respect to cardiovascular risk was the Women’s Health Study, which was predominantly White nurses over time, and it is one of our biggest important pieces of information when it comes to cardiovascular risk, specifically looking at those with migraine who seem to have this doubling of their underlying stroke risk. Trying to get the same type of information from different populations is exquisitely helpful, because it’s long been thought that the risk for stroke and cardiovascular events seems to lie with females with aura. Knowing that there may be risk in other groups is important and part of the overall counseling that we do with patients,” said Dr. Green, assistant professor of neurology at Mayo Clinic Arizona.

The findings could hint at causal mechanisms, according to Dr. Seng. Preliminary analyses, not yet reported, suggest that age also plays a role in the relationship between migraine and cardiovascular risks. “I think that it’s important to [determine] to what extent migraine might back up the curve on the age-related timing of these events. Migraine peaks in the 40s, and that’s well before most of these cardiovascular events peak. We want to understand not just the cross-sectional relationships, which were large, but also the extent to which migraine may be having a differential impact on risk in different age bands,” said Dr. Seng.

Ms. Schwartz, Dr. Seng, and Dr. Green have no relevant financial disclosures.

CHICAGO —The use of kratom, an opioid-like supplement widely available over the counter at convenience stores, smoke shops, and online, is resulting in emerging cases of hyperpigmentation, most often on the face and hands.

“This is something we will see more and more,” Heather Woolery-Lloyd, MD, director of the Skin of Color Division at the University of Miami Department of Dermatology, said at the Pigmentary Disorders Exchange Symposium. The key marker of this hyperpigmentation, she said, is that “it’s strongly photoaccentuated,” affecting areas exposed to the sun — but it also tends to spare the knuckles on patients’ hands.
 

Used Like an Opioid, But It’s Not Regulated

Kratom is a plant common in southeast Asia and is used as an analgesic. It’s marketed as a “legal opioid” or “legal high” and is sold in 2- or 3-ounce containers of extract or sold as a powder, Dr. Woolery-Lloyd said. The leaves may be boiled into a tea, smoked, chewed, or put into capsules, according to a case report published in February in the Journal of Integrative Dermatology. It is used worldwide and is not regulated in the United States.

“Many of our patients think kratom is a safe, herbal supplement” but often don’t know it can have several side effects and can be addictive, Dr. Woolery-Lloyd said. Its popularity is increasing as reflected by the number of posts related to kratom on social media platforms.

In the February case report, Shaina Patel, BA, and Nathaniel Phelan, MD, from Kansas City University, Kansas City, Missouri, wrote that side effects of kratom include drowsiness, tachycardia, vomiting, respiratory depression, and cardiac arrest, in addition to confusion and hallucinations.

Kratom also has many different effects on the psyche, Dr. Woolery-Lloyd said at the meeting. At low doses, it blocks the reuptake of norepinephrine, serotonin, and dopamine, producing a motivational effect, and at high doses, it creates an analgesic, calming effect. And people who chronically consume high doses of kratom may be susceptible to hyperpigmentation.

Kratom-associated hyperpigmentation should be considered as a diagnosis when evaluating patients for other drug-associated pigmentary disorders, “especially if pigment is photodistributed,” she said. “If you see new-onset hyperpigmentation or onset over several months and it’s very photoaccentuated, definitely ask about use of kratom.”
 

Case Reports Show Patterns of Presentation

A 2022 report from Landon R. Powell, BS, with the department of biology, Whitworth University in Spokane, Washington, and coauthors, published in JAAD Case Reports, noted that kratom use in the United States has increased dramatically. “As measured by call reports to the United States National Poison Data System, in 2011, there were 11 reported kratom exposures, and in the first 7 months of 2018, there were 357 reported exposures,” they wrote.

An estimated 1.7 million Americans aged ≥ 12 years said they had used kratom in the previous year, according to the Substance Abuse and Mental Health Services Administration 2021 National Survey on Drug Use and Health.

In the case report, Mr. Powell and coauthors described a 54-year-old White male patient who had been using kratom for the previous four to five years to reduce opioid use. During this period, he consumed kratom powder mixed with orange juice three to four times a day. He presented with “diffuse hyperpigmented patches on his arms and face in a photodistributed manner, with notable sparing of the knuckles on both hands.”
 

Dark Gray-Blue Skin

In the more recent case report, Ms. Patel and Dr. Phelan described a 30-year-old White male patient who presented with dark gray-blue skin coloring on his cheeks, back of his neck, and the backs of his hands and forearms. He had no other medical conditions and did not take any medications or supplements that cause hyperpigmentation while using kratom.

The patient had been taking kratom for years in the wake of an opioid addiction following medications for a high school injury. He developed an opioid use disorder and tried to replace his pain medications with kratom.

“The patient stopped using kratom in May 2022, but the discoloration remains. It has not regressed in the following 16 months after discontinuing kratom use,” the authors wrote, noting that “whether or not the hyperpigmentation is able to regress is unknown.”

Dr. Woolery-Lloyd is a consultant for AbbVie, Incyte, Johnson & Johnson Consumer, LivDerm, and L’Oreal; a speaker for Eli Lilly, Incyte, L’Oreal, and Ortho Dermatologics; and a researcher/investigator for AbbVie, Allergan, Eirion Therapeutics, Galderma, Pfizer, Sanofi, and Vyne Therapeutics.
 

According to an information page on kratom on the Food and Drug Administration website, health care professionals and consumers can report adverse reactions associated with kratom to the FDA’s MedWatch program.

A version of this article appeared on Medscape.com.

CHICAGO —The use of kratom, an opioid-like supplement widely available over the counter at convenience stores, smoke shops, and online, is resulting in emerging cases of hyperpigmentation, most often on the face and hands.

“This is something we will see more and more,” Heather Woolery-Lloyd, MD, director of the Skin of Color Division at the University of Miami Department of Dermatology, said at the Pigmentary Disorders Exchange Symposium. The key marker of this hyperpigmentation, she said, is that “it’s strongly photoaccentuated,” affecting areas exposed to the sun — but it also tends to spare the knuckles on patients’ hands.
 

Used Like an Opioid, But It’s Not Regulated

Kratom is a plant common in southeast Asia and is used as an analgesic. It’s marketed as a “legal opioid” or “legal high” and is sold in 2- or 3-ounce containers of extract or sold as a powder, Dr. Woolery-Lloyd said. The leaves may be boiled into a tea, smoked, chewed, or put into capsules, according to a case report published in February in the Journal of Integrative Dermatology. It is used worldwide and is not regulated in the United States.

“Many of our patients think kratom is a safe, herbal supplement” but often don’t know it can have several side effects and can be addictive, Dr. Woolery-Lloyd said. Its popularity is increasing as reflected by the number of posts related to kratom on social media platforms.

In the February case report, Shaina Patel, BA, and Nathaniel Phelan, MD, from Kansas City University, Kansas City, Missouri, wrote that side effects of kratom include drowsiness, tachycardia, vomiting, respiratory depression, and cardiac arrest, in addition to confusion and hallucinations.

Kratom also has many different effects on the psyche, Dr. Woolery-Lloyd said at the meeting. At low doses, it blocks the reuptake of norepinephrine, serotonin, and dopamine, producing a motivational effect, and at high doses, it creates an analgesic, calming effect. And people who chronically consume high doses of kratom may be susceptible to hyperpigmentation.

Kratom-associated hyperpigmentation should be considered as a diagnosis when evaluating patients for other drug-associated pigmentary disorders, “especially if pigment is photodistributed,” she said. “If you see new-onset hyperpigmentation or onset over several months and it’s very photoaccentuated, definitely ask about use of kratom.”
 

Case Reports Show Patterns of Presentation

A 2022 report from Landon R. Powell, BS, with the department of biology, Whitworth University in Spokane, Washington, and coauthors, published in JAAD Case Reports, noted that kratom use in the United States has increased dramatically. “As measured by call reports to the United States National Poison Data System, in 2011, there were 11 reported kratom exposures, and in the first 7 months of 2018, there were 357 reported exposures,” they wrote.

An estimated 1.7 million Americans aged ≥ 12 years said they had used kratom in the previous year, according to the Substance Abuse and Mental Health Services Administration 2021 National Survey on Drug Use and Health.

In the case report, Mr. Powell and coauthors described a 54-year-old White male patient who had been using kratom for the previous four to five years to reduce opioid use. During this period, he consumed kratom powder mixed with orange juice three to four times a day. He presented with “diffuse hyperpigmented patches on his arms and face in a photodistributed manner, with notable sparing of the knuckles on both hands.”
 

Dark Gray-Blue Skin

In the more recent case report, Ms. Patel and Dr. Phelan described a 30-year-old White male patient who presented with dark gray-blue skin coloring on his cheeks, back of his neck, and the backs of his hands and forearms. He had no other medical conditions and did not take any medications or supplements that cause hyperpigmentation while using kratom.

The patient had been taking kratom for years in the wake of an opioid addiction following medications for a high school injury. He developed an opioid use disorder and tried to replace his pain medications with kratom.

“The patient stopped using kratom in May 2022, but the discoloration remains. It has not regressed in the following 16 months after discontinuing kratom use,” the authors wrote, noting that “whether or not the hyperpigmentation is able to regress is unknown.”

Dr. Woolery-Lloyd is a consultant for AbbVie, Incyte, Johnson & Johnson Consumer, LivDerm, and L’Oreal; a speaker for Eli Lilly, Incyte, L’Oreal, and Ortho Dermatologics; and a researcher/investigator for AbbVie, Allergan, Eirion Therapeutics, Galderma, Pfizer, Sanofi, and Vyne Therapeutics.
 

According to an information page on kratom on the Food and Drug Administration website, health care professionals and consumers can report adverse reactions associated with kratom to the FDA’s MedWatch program.

A version of this article appeared on Medscape.com.

CHICAGO —The use of kratom, an opioid-like supplement widely available over the counter at convenience stores, smoke shops, and online, is resulting in emerging cases of hyperpigmentation, most often on the face and hands.

“This is something we will see more and more,” Heather Woolery-Lloyd, MD, director of the Skin of Color Division at the University of Miami Department of Dermatology, said at the Pigmentary Disorders Exchange Symposium. The key marker of this hyperpigmentation, she said, is that “it’s strongly photoaccentuated,” affecting areas exposed to the sun — but it also tends to spare the knuckles on patients’ hands.
 

Used Like an Opioid, But It’s Not Regulated

Kratom is a plant common in southeast Asia and is used as an analgesic. It’s marketed as a “legal opioid” or “legal high” and is sold in 2- or 3-ounce containers of extract or sold as a powder, Dr. Woolery-Lloyd said. The leaves may be boiled into a tea, smoked, chewed, or put into capsules, according to a case report published in February in the Journal of Integrative Dermatology. It is used worldwide and is not regulated in the United States.

“Many of our patients think kratom is a safe, herbal supplement” but often don’t know it can have several side effects and can be addictive, Dr. Woolery-Lloyd said. Its popularity is increasing as reflected by the number of posts related to kratom on social media platforms.

In the February case report, Shaina Patel, BA, and Nathaniel Phelan, MD, from Kansas City University, Kansas City, Missouri, wrote that side effects of kratom include drowsiness, tachycardia, vomiting, respiratory depression, and cardiac arrest, in addition to confusion and hallucinations.

Kratom also has many different effects on the psyche, Dr. Woolery-Lloyd said at the meeting. At low doses, it blocks the reuptake of norepinephrine, serotonin, and dopamine, producing a motivational effect, and at high doses, it creates an analgesic, calming effect. And people who chronically consume high doses of kratom may be susceptible to hyperpigmentation.

Kratom-associated hyperpigmentation should be considered as a diagnosis when evaluating patients for other drug-associated pigmentary disorders, “especially if pigment is photodistributed,” she said. “If you see new-onset hyperpigmentation or onset over several months and it’s very photoaccentuated, definitely ask about use of kratom.”
 

Case Reports Show Patterns of Presentation

A 2022 report from Landon R. Powell, BS, with the department of biology, Whitworth University in Spokane, Washington, and coauthors, published in JAAD Case Reports, noted that kratom use in the United States has increased dramatically. “As measured by call reports to the United States National Poison Data System, in 2011, there were 11 reported kratom exposures, and in the first 7 months of 2018, there were 357 reported exposures,” they wrote.

An estimated 1.7 million Americans aged ≥ 12 years said they had used kratom in the previous year, according to the Substance Abuse and Mental Health Services Administration 2021 National Survey on Drug Use and Health.

In the case report, Mr. Powell and coauthors described a 54-year-old White male patient who had been using kratom for the previous four to five years to reduce opioid use. During this period, he consumed kratom powder mixed with orange juice three to four times a day. He presented with “diffuse hyperpigmented patches on his arms and face in a photodistributed manner, with notable sparing of the knuckles on both hands.”
 

Dark Gray-Blue Skin

In the more recent case report, Ms. Patel and Dr. Phelan described a 30-year-old White male patient who presented with dark gray-blue skin coloring on his cheeks, back of his neck, and the backs of his hands and forearms. He had no other medical conditions and did not take any medications or supplements that cause hyperpigmentation while using kratom.

The patient had been taking kratom for years in the wake of an opioid addiction following medications for a high school injury. He developed an opioid use disorder and tried to replace his pain medications with kratom.

“The patient stopped using kratom in May 2022, but the discoloration remains. It has not regressed in the following 16 months after discontinuing kratom use,” the authors wrote, noting that “whether or not the hyperpigmentation is able to regress is unknown.”

Dr. Woolery-Lloyd is a consultant for AbbVie, Incyte, Johnson & Johnson Consumer, LivDerm, and L’Oreal; a speaker for Eli Lilly, Incyte, L’Oreal, and Ortho Dermatologics; and a researcher/investigator for AbbVie, Allergan, Eirion Therapeutics, Galderma, Pfizer, Sanofi, and Vyne Therapeutics.
 

According to an information page on kratom on the Food and Drug Administration website, health care professionals and consumers can report adverse reactions associated with kratom to the FDA’s MedWatch program.

A version of this article appeared on Medscape.com.

CHICAGO — Prominent Chinese oncologist Tony Shu-Kam Mok, MD, who presented as first author of a phase 3 non–small cell lung cancer study at ASCO 2024, made a dramatic swerve in his career path at age 36.

After 20 years in Canada — 7 spent practicing community oncology near Toronto — Dr. Mok was visiting family in his native Hong Kong back in 1996 when a job offer there enabled him to revive his early dream of doing academic research. Dr. Mok and his family moved back home just before the former British colony was returned to China in 1997.

rophosabrehotruslemulotritevevagugaclohafrucrocabrihatriclagepepracrucechecrithethushicladruuamedrepopusovotritrimamatriletreshechemechosidrispujechap

That leap of faith helped Dr. Mok play a role in the global paradigm shift on treating lung cancer. He chairs the department of clinical oncology at the Chinese University of Hong Kong. A leader in ushering in targeted therapies and personalized medicine in China and globally, he has helped advance the goal of transforming lung cancer from a death sentence to a chronic disease.

Among Dr. Mok’s other accomplishments, he has published eight books and more than 200 journal articles. Since 2006, he has been writing a twice-weekly column in the Hong Kong Economic Times. At the annual meeting of the American Society of Clinical Oncology (ASCO), Dr. Mok sat down with this news organization to discuss his latest findings, his career path, and China’s ever-growing presence in multinational clinical trials, pharmaceuticals, and cancer research in general.
 

Question: At ASCO 2024 in Chicago, you presented as first author of the KRYSTAL-12 study. Can you give a short “elevator speech” summarizing those findings?

Dr. Mok: KRYSTAL-12 is a randomized phase 3 study comparing adagrasib with docetaxel in patients with previously treated advanced/metastatic non–small cell lung cancer harboring a KRAS G12C-mutation. And the findings are positive, with a median progression free survival of 5.5 months vs 3.8 months, with a significant hazard ratio [of 0.58]. And then there are also differences in their response rates of 32% versus 9%, and that gives you an [odds] ratio of 4.86. So yes, it’s significant.

Question: Now that you’ve given this presentation and perhaps taken some good, meaningful questions about it, are there any further points you’d like to make — anything you’d like to add?

Dr. Mok: You have to understand that whatever I said has been scrutinized by the pharmaceutical company, but now I can say whatever I like. I think the key point is that we actually have made the first so-called achievement in the KRAS G12C space. But this is only the beginning.

I want to note that the median progression-free survival is different, but not the best. The median 5.5 months result is good, but not good enough. So, we still have to work hard to answer the question: How can we best deliver care to patients with KRAS G12C?
 

Question: Speaking more generally about the challenges of targeting KRAS, what issues arise in terms of biomarker testing for KRAS mutations in the clinic? Dr. Mok: In colorectal cancer, there has been testing for KRAS [mutations] for a long, long time. So, most of the laboratories, as long as they are well equipped, will be able to test for KRAS. Usually, the cheaper way is to buy PCR [polymerase chain reaction]. However, these days it’s getting trendier to use NGS [next-generation sequencing]. So, one way or another, specificity is very high. I don’t think we have too much of a problem. The only difference between colorectal cancer and lung cancer is that the tissue sample may not be as good for lung cancer with a small biopsy, but otherwise testing is not an issue.

Question: What clinical trials should oncologist be watching to come into this space?Dr. Mok: There are a lot. Right now, there is the so-called first-line study that’s coming up. So, I can cite you some examples for the KRYSTAL-7 trial, which is the combination of pembrolizumab together with adagrasib in the PD-L1 Tumor Proportion Score ≥ 50%.

That’s one example. And then there is the CodeBreaK 202 trial, which is actually the combination of chemotherapy with sotorasib versus chemotherapy and I-O [immune-oncology]. That is also an ongoing study.
 

Question: I also want to ask you some background questions about yourself. Back in the day, you lived in Canada and were a community oncologist. Then you made a very big change in your life and moved back home to Hong Kong in 1996, on the eve of its return to China the following year.

Dr. Mok: Well, I was born and raised in Hong Kong, but I left for Canada for education when I was 16 and kind of stayed there and got medical school oncology training and then started my practice. At that time, I never imagined myself going back. But 1996 was a big year. Incidentally, I went back to Hong Kong then to visit my friends and was offered a job at the Chinese University of Hong Kong. Then 1997 was coming. I found it very exciting that we could work with China. So that’s why I decided to return. And this was probably one of my best decisions I ever made in my life.

Question: And you went from being a community oncologist to academic research?

Dr. Mok: Here’s a personal thing that I can share with you: When I finished my oncology training at Princess Margaret Hospital in Toronto, I thought of going into research and becoming an academic. However, my son was born. Household costs went up, and I didn’t want to be a low-income, poor PhD student, so I decided that I may as well go into private practice. Returning to Hong Kong [in 1996] gave me a second chance. I went from being a community oncologist for seven years in Canada to a totally new environment in Hong Kong, where I started my academic work at age 36. It has been a good journey.

Question: Why do you say that was the best decision you ever made?Dr. Mok: At that time, it took me about 2 weeks to make this important decision. Basically: I had to give up my big house and my big car in Canada and move back to a small apartment in Hong Kong. That was a tough decision to make. However, it was a matter of certainty versus uncertainty.

In Canada, I actually had a very stable situation. I had a big practice in the Scarborough area [of Toronto], with a lot of Chinese patients, so I had a better, more comfortable life. It was predictable. But then I asked myself what I would be like in 10 years if I stayed in Canada versus Hong Kong. My answer is that I had no idea what would happen to me 10 years later in Hong Kong. In certain parts of life, you have to decide between certainty and uncertainty. And this time, uncertainty brought me great adventure. I definitely would not have done the things I’ve done if I’d stayed in Canada.



Question: At this ASCO, you’ve spoken primarily about your latest research on non–small cell lung cancer with KRAS G12C mutation.Dr. Mok: Actually, my research has been mostly on targeted therapy. My first break was on the EGFR [epidermal growth factor receptor] mutation. I was one of the first to help define personalized medicine according to the EGFR mutation in the IPASS study [2009]. That’s how I started my academic career.



Question: I read some quotes from your writing some years back about “living with imperfection,” and where you wrote about the whole continuum of cancer research. Years ago, you noted that lung cancer was moving from being a death sentence to becoming a chronic condition.

Dr. Mok: The objective is this: A lot of cancer patients, especially lung cancer patients, had a very short survival, but now we are able to identify a subgroup of patients with a driver oncogene.

And with that, we can use a tyrosine kinase inhibitor — which although it has toxicity, it’s manageable toxicity — such that you can take one pill a day and continue to live a normal life. So that would be not so different from diabetes or hypertension: You live with the disease. So that’s what we like to see: the conversion of a fatal disease into a chronic disease.
 

Question: So many countries now, including the United States and many others, are facing the challenges of cancer care in rural versus urban areas. Is this a topic you’d be willing to address? Dr. Mok: Well, in Hong Kong we don’t have rural areas! But in China, this is a major problem. There most of the cancer care is focused on the so-called three major cities [Shanghai, Beijing, Guangzhou]. And after that, there are second-tier cities that also have reasonably good care. But when you filter down to the third and fourth layer, the oncology care actually deteriorates. So that’s why we end up with a lot of people from the more rural areas moving and going to the city looking for care and consultation. So yes, the disparity is significant.

But China is a growing country. It takes time to change. Right now, we can see at ASCO this year, there are a lot of investigators from China sharing their new findings, which is a major development, compared to 10 years ago. Therefore, I think that when you have this type of proliferative development, eventually the good care, the high-quality care will filter down to more rural areas. So, at this moment, I think there is still a lot of work to do.
 

Question: You’ve talked about how oncologists from China are coming up in the field, and this year they have an even greater presence at ASCO, as well as oncologists from elsewhere in Asia, including South Korea, Japan, and Vietnam. You’ve been coming to ASCO for many years. Can you talk about the factors behind China’s increasing presence? Dr. Mok: I think it’s a combination of factors. First of all, I had the honor of working with lung cancer researchers from China from way back, 25 years ago. At that time, we all had nothing. Then with the development of multitargeted therapies, they managed to build up a very good infrastructure for clinical trials. And then, based on that good infrastructure, they were able to do international collaborative studies and provide a supply of patient resources and high-quality data. So, they’ve learned the trick, done a good job, but they cannot have so-called independence until there is a development of pharmaceuticals in China.

And then over the past 10 years, there’s been a proliferation — actually an explosion I would even say — of high-quality pharmaceutical companies in China. First, they’ve got the resources to build the companies. Second, they’ve got the talent resources returning from the United States. So, putting all that together, these were able to go from start-ups to full-fledged functional companies in a very short time.

And with that, they actually sponsored a lot of trials within China. And you can see that putting all the components together: you’ve got high-quality researchers, you’ve got the infrastructure, and now you’ve got your drugs and the money to do the trials. As a result, you’ve got a lot of good data coming from China.
 

Question: There’s also a population with these mutations.Dr. Mok: That for one, but most have multitargeted therapies, but they also have immunotherapies that have nothing to do with the high incidence. But I think in a sense, in the beginning, they were doing `me-too’ compounds, but now I think they are starting to do ‘me-better’ compounds.

Question: Is there anything you want to say about some of the other presentations that have your name on them at ASCO this year?Dr. Mok: I think the most important one I was engaged in is the CROWN study. The CROWN study is actually a phase 3 study that compares lorlatinib versus crizotinib in patients with advanced, ALK-positive non–small cell lung cancer.

This is a 5-year follow-up, and we were actually able to report an outrageously encouraging 5-year progression-free rate at 60%, meaning that the patient is walking in the door 5 years later when they are on the drug, and 60% of them actually do not have progression, not death, just not progression, just staying on the same pill—which is quite outrageously good for lung cancer.

CHICAGO — Prominent Chinese oncologist Tony Shu-Kam Mok, MD, who presented as first author of a phase 3 non–small cell lung cancer study at ASCO 2024, made a dramatic swerve in his career path at age 36.

After 20 years in Canada — 7 spent practicing community oncology near Toronto — Dr. Mok was visiting family in his native Hong Kong back in 1996 when a job offer there enabled him to revive his early dream of doing academic research. Dr. Mok and his family moved back home just before the former British colony was returned to China in 1997.

rophosabrehotruslemulotritevevagugaclohafrucrocabrihatriclagepepracrucechecrithethushicladruuamedrepopusovotritrimamatriletreshechemechosidrispujechap

That leap of faith helped Dr. Mok play a role in the global paradigm shift on treating lung cancer. He chairs the department of clinical oncology at the Chinese University of Hong Kong. A leader in ushering in targeted therapies and personalized medicine in China and globally, he has helped advance the goal of transforming lung cancer from a death sentence to a chronic disease.

Among Dr. Mok’s other accomplishments, he has published eight books and more than 200 journal articles. Since 2006, he has been writing a twice-weekly column in the Hong Kong Economic Times. At the annual meeting of the American Society of Clinical Oncology (ASCO), Dr. Mok sat down with this news organization to discuss his latest findings, his career path, and China’s ever-growing presence in multinational clinical trials, pharmaceuticals, and cancer research in general.
 

Question: At ASCO 2024 in Chicago, you presented as first author of the KRYSTAL-12 study. Can you give a short “elevator speech” summarizing those findings?

Dr. Mok: KRYSTAL-12 is a randomized phase 3 study comparing adagrasib with docetaxel in patients with previously treated advanced/metastatic non–small cell lung cancer harboring a KRAS G12C-mutation. And the findings are positive, with a median progression free survival of 5.5 months vs 3.8 months, with a significant hazard ratio [of 0.58]. And then there are also differences in their response rates of 32% versus 9%, and that gives you an [odds] ratio of 4.86. So yes, it’s significant.

Question: Now that you’ve given this presentation and perhaps taken some good, meaningful questions about it, are there any further points you’d like to make — anything you’d like to add?

Dr. Mok: You have to understand that whatever I said has been scrutinized by the pharmaceutical company, but now I can say whatever I like. I think the key point is that we actually have made the first so-called achievement in the KRAS G12C space. But this is only the beginning.

I want to note that the median progression-free survival is different, but not the best. The median 5.5 months result is good, but not good enough. So, we still have to work hard to answer the question: How can we best deliver care to patients with KRAS G12C?
 

Question: Speaking more generally about the challenges of targeting KRAS, what issues arise in terms of biomarker testing for KRAS mutations in the clinic? Dr. Mok: In colorectal cancer, there has been testing for KRAS [mutations] for a long, long time. So, most of the laboratories, as long as they are well equipped, will be able to test for KRAS. Usually, the cheaper way is to buy PCR [polymerase chain reaction]. However, these days it’s getting trendier to use NGS [next-generation sequencing]. So, one way or another, specificity is very high. I don’t think we have too much of a problem. The only difference between colorectal cancer and lung cancer is that the tissue sample may not be as good for lung cancer with a small biopsy, but otherwise testing is not an issue.

Question: What clinical trials should oncologist be watching to come into this space?Dr. Mok: There are a lot. Right now, there is the so-called first-line study that’s coming up. So, I can cite you some examples for the KRYSTAL-7 trial, which is the combination of pembrolizumab together with adagrasib in the PD-L1 Tumor Proportion Score ≥ 50%.

That’s one example. And then there is the CodeBreaK 202 trial, which is actually the combination of chemotherapy with sotorasib versus chemotherapy and I-O [immune-oncology]. That is also an ongoing study.
 

Question: I also want to ask you some background questions about yourself. Back in the day, you lived in Canada and were a community oncologist. Then you made a very big change in your life and moved back home to Hong Kong in 1996, on the eve of its return to China the following year.

Dr. Mok: Well, I was born and raised in Hong Kong, but I left for Canada for education when I was 16 and kind of stayed there and got medical school oncology training and then started my practice. At that time, I never imagined myself going back. But 1996 was a big year. Incidentally, I went back to Hong Kong then to visit my friends and was offered a job at the Chinese University of Hong Kong. Then 1997 was coming. I found it very exciting that we could work with China. So that’s why I decided to return. And this was probably one of my best decisions I ever made in my life.

Question: And you went from being a community oncologist to academic research?

Dr. Mok: Here’s a personal thing that I can share with you: When I finished my oncology training at Princess Margaret Hospital in Toronto, I thought of going into research and becoming an academic. However, my son was born. Household costs went up, and I didn’t want to be a low-income, poor PhD student, so I decided that I may as well go into private practice. Returning to Hong Kong [in 1996] gave me a second chance. I went from being a community oncologist for seven years in Canada to a totally new environment in Hong Kong, where I started my academic work at age 36. It has been a good journey.

Question: Why do you say that was the best decision you ever made?Dr. Mok: At that time, it took me about 2 weeks to make this important decision. Basically: I had to give up my big house and my big car in Canada and move back to a small apartment in Hong Kong. That was a tough decision to make. However, it was a matter of certainty versus uncertainty.

In Canada, I actually had a very stable situation. I had a big practice in the Scarborough area [of Toronto], with a lot of Chinese patients, so I had a better, more comfortable life. It was predictable. But then I asked myself what I would be like in 10 years if I stayed in Canada versus Hong Kong. My answer is that I had no idea what would happen to me 10 years later in Hong Kong. In certain parts of life, you have to decide between certainty and uncertainty. And this time, uncertainty brought me great adventure. I definitely would not have done the things I’ve done if I’d stayed in Canada.



Question: At this ASCO, you’ve spoken primarily about your latest research on non–small cell lung cancer with KRAS G12C mutation.Dr. Mok: Actually, my research has been mostly on targeted therapy. My first break was on the EGFR [epidermal growth factor receptor] mutation. I was one of the first to help define personalized medicine according to the EGFR mutation in the IPASS study [2009]. That’s how I started my academic career.



Question: I read some quotes from your writing some years back about “living with imperfection,” and where you wrote about the whole continuum of cancer research. Years ago, you noted that lung cancer was moving from being a death sentence to becoming a chronic condition.

Dr. Mok: The objective is this: A lot of cancer patients, especially lung cancer patients, had a very short survival, but now we are able to identify a subgroup of patients with a driver oncogene.

And with that, we can use a tyrosine kinase inhibitor — which although it has toxicity, it’s manageable toxicity — such that you can take one pill a day and continue to live a normal life. So that would be not so different from diabetes or hypertension: You live with the disease. So that’s what we like to see: the conversion of a fatal disease into a chronic disease.
 

Question: So many countries now, including the United States and many others, are facing the challenges of cancer care in rural versus urban areas. Is this a topic you’d be willing to address? Dr. Mok: Well, in Hong Kong we don’t have rural areas! But in China, this is a major problem. There most of the cancer care is focused on the so-called three major cities [Shanghai, Beijing, Guangzhou]. And after that, there are second-tier cities that also have reasonably good care. But when you filter down to the third and fourth layer, the oncology care actually deteriorates. So that’s why we end up with a lot of people from the more rural areas moving and going to the city looking for care and consultation. So yes, the disparity is significant.

But China is a growing country. It takes time to change. Right now, we can see at ASCO this year, there are a lot of investigators from China sharing their new findings, which is a major development, compared to 10 years ago. Therefore, I think that when you have this type of proliferative development, eventually the good care, the high-quality care will filter down to more rural areas. So, at this moment, I think there is still a lot of work to do.
 

Question: You’ve talked about how oncologists from China are coming up in the field, and this year they have an even greater presence at ASCO, as well as oncologists from elsewhere in Asia, including South Korea, Japan, and Vietnam. You’ve been coming to ASCO for many years. Can you talk about the factors behind China’s increasing presence? Dr. Mok: I think it’s a combination of factors. First of all, I had the honor of working with lung cancer researchers from China from way back, 25 years ago. At that time, we all had nothing. Then with the development of multitargeted therapies, they managed to build up a very good infrastructure for clinical trials. And then, based on that good infrastructure, they were able to do international collaborative studies and provide a supply of patient resources and high-quality data. So, they’ve learned the trick, done a good job, but they cannot have so-called independence until there is a development of pharmaceuticals in China.

And then over the past 10 years, there’s been a proliferation — actually an explosion I would even say — of high-quality pharmaceutical companies in China. First, they’ve got the resources to build the companies. Second, they’ve got the talent resources returning from the United States. So, putting all that together, these were able to go from start-ups to full-fledged functional companies in a very short time.

And with that, they actually sponsored a lot of trials within China. And you can see that putting all the components together: you’ve got high-quality researchers, you’ve got the infrastructure, and now you’ve got your drugs and the money to do the trials. As a result, you’ve got a lot of good data coming from China.
 

Question: There’s also a population with these mutations.Dr. Mok: That for one, but most have multitargeted therapies, but they also have immunotherapies that have nothing to do with the high incidence. But I think in a sense, in the beginning, they were doing `me-too’ compounds, but now I think they are starting to do ‘me-better’ compounds.

Question: Is there anything you want to say about some of the other presentations that have your name on them at ASCO this year?Dr. Mok: I think the most important one I was engaged in is the CROWN study. The CROWN study is actually a phase 3 study that compares lorlatinib versus crizotinib in patients with advanced, ALK-positive non–small cell lung cancer.

This is a 5-year follow-up, and we were actually able to report an outrageously encouraging 5-year progression-free rate at 60%, meaning that the patient is walking in the door 5 years later when they are on the drug, and 60% of them actually do not have progression, not death, just not progression, just staying on the same pill—which is quite outrageously good for lung cancer.

CHICAGO — Prominent Chinese oncologist Tony Shu-Kam Mok, MD, who presented as first author of a phase 3 non–small cell lung cancer study at ASCO 2024, made a dramatic swerve in his career path at age 36.

After 20 years in Canada — 7 spent practicing community oncology near Toronto — Dr. Mok was visiting family in his native Hong Kong back in 1996 when a job offer there enabled him to revive his early dream of doing academic research. Dr. Mok and his family moved back home just before the former British colony was returned to China in 1997.

rophosabrehotruslemulotritevevagugaclohafrucrocabrihatriclagepepracrucechecrithethushicladruuamedrepopusovotritrimamatriletreshechemechosidrispujechap

That leap of faith helped Dr. Mok play a role in the global paradigm shift on treating lung cancer. He chairs the department of clinical oncology at the Chinese University of Hong Kong. A leader in ushering in targeted therapies and personalized medicine in China and globally, he has helped advance the goal of transforming lung cancer from a death sentence to a chronic disease.

Among Dr. Mok’s other accomplishments, he has published eight books and more than 200 journal articles. Since 2006, he has been writing a twice-weekly column in the Hong Kong Economic Times. At the annual meeting of the American Society of Clinical Oncology (ASCO), Dr. Mok sat down with this news organization to discuss his latest findings, his career path, and China’s ever-growing presence in multinational clinical trials, pharmaceuticals, and cancer research in general.
 

Question: At ASCO 2024 in Chicago, you presented as first author of the KRYSTAL-12 study. Can you give a short “elevator speech” summarizing those findings?

Dr. Mok: KRYSTAL-12 is a randomized phase 3 study comparing adagrasib with docetaxel in patients with previously treated advanced/metastatic non–small cell lung cancer harboring a KRAS G12C-mutation. And the findings are positive, with a median progression free survival of 5.5 months vs 3.8 months, with a significant hazard ratio [of 0.58]. And then there are also differences in their response rates of 32% versus 9%, and that gives you an [odds] ratio of 4.86. So yes, it’s significant.

Question: Now that you’ve given this presentation and perhaps taken some good, meaningful questions about it, are there any further points you’d like to make — anything you’d like to add?

Dr. Mok: You have to understand that whatever I said has been scrutinized by the pharmaceutical company, but now I can say whatever I like. I think the key point is that we actually have made the first so-called achievement in the KRAS G12C space. But this is only the beginning.

I want to note that the median progression-free survival is different, but not the best. The median 5.5 months result is good, but not good enough. So, we still have to work hard to answer the question: How can we best deliver care to patients with KRAS G12C?
 

Question: Speaking more generally about the challenges of targeting KRAS, what issues arise in terms of biomarker testing for KRAS mutations in the clinic? Dr. Mok: In colorectal cancer, there has been testing for KRAS [mutations] for a long, long time. So, most of the laboratories, as long as they are well equipped, will be able to test for KRAS. Usually, the cheaper way is to buy PCR [polymerase chain reaction]. However, these days it’s getting trendier to use NGS [next-generation sequencing]. So, one way or another, specificity is very high. I don’t think we have too much of a problem. The only difference between colorectal cancer and lung cancer is that the tissue sample may not be as good for lung cancer with a small biopsy, but otherwise testing is not an issue.

Question: What clinical trials should oncologist be watching to come into this space?Dr. Mok: There are a lot. Right now, there is the so-called first-line study that’s coming up. So, I can cite you some examples for the KRYSTAL-7 trial, which is the combination of pembrolizumab together with adagrasib in the PD-L1 Tumor Proportion Score ≥ 50%.

That’s one example. And then there is the CodeBreaK 202 trial, which is actually the combination of chemotherapy with sotorasib versus chemotherapy and I-O [immune-oncology]. That is also an ongoing study.
 

Question: I also want to ask you some background questions about yourself. Back in the day, you lived in Canada and were a community oncologist. Then you made a very big change in your life and moved back home to Hong Kong in 1996, on the eve of its return to China the following year.

Dr. Mok: Well, I was born and raised in Hong Kong, but I left for Canada for education when I was 16 and kind of stayed there and got medical school oncology training and then started my practice. At that time, I never imagined myself going back. But 1996 was a big year. Incidentally, I went back to Hong Kong then to visit my friends and was offered a job at the Chinese University of Hong Kong. Then 1997 was coming. I found it very exciting that we could work with China. So that’s why I decided to return. And this was probably one of my best decisions I ever made in my life.

Question: And you went from being a community oncologist to academic research?

Dr. Mok: Here’s a personal thing that I can share with you: When I finished my oncology training at Princess Margaret Hospital in Toronto, I thought of going into research and becoming an academic. However, my son was born. Household costs went up, and I didn’t want to be a low-income, poor PhD student, so I decided that I may as well go into private practice. Returning to Hong Kong [in 1996] gave me a second chance. I went from being a community oncologist for seven years in Canada to a totally new environment in Hong Kong, where I started my academic work at age 36. It has been a good journey.

Question: Why do you say that was the best decision you ever made?Dr. Mok: At that time, it took me about 2 weeks to make this important decision. Basically: I had to give up my big house and my big car in Canada and move back to a small apartment in Hong Kong. That was a tough decision to make. However, it was a matter of certainty versus uncertainty.

In Canada, I actually had a very stable situation. I had a big practice in the Scarborough area [of Toronto], with a lot of Chinese patients, so I had a better, more comfortable life. It was predictable. But then I asked myself what I would be like in 10 years if I stayed in Canada versus Hong Kong. My answer is that I had no idea what would happen to me 10 years later in Hong Kong. In certain parts of life, you have to decide between certainty and uncertainty. And this time, uncertainty brought me great adventure. I definitely would not have done the things I’ve done if I’d stayed in Canada.



Question: At this ASCO, you’ve spoken primarily about your latest research on non–small cell lung cancer with KRAS G12C mutation.Dr. Mok: Actually, my research has been mostly on targeted therapy. My first break was on the EGFR [epidermal growth factor receptor] mutation. I was one of the first to help define personalized medicine according to the EGFR mutation in the IPASS study [2009]. That’s how I started my academic career.



Question: I read some quotes from your writing some years back about “living with imperfection,” and where you wrote about the whole continuum of cancer research. Years ago, you noted that lung cancer was moving from being a death sentence to becoming a chronic condition.

Dr. Mok: The objective is this: A lot of cancer patients, especially lung cancer patients, had a very short survival, but now we are able to identify a subgroup of patients with a driver oncogene.

And with that, we can use a tyrosine kinase inhibitor — which although it has toxicity, it’s manageable toxicity — such that you can take one pill a day and continue to live a normal life. So that would be not so different from diabetes or hypertension: You live with the disease. So that’s what we like to see: the conversion of a fatal disease into a chronic disease.
 

Question: So many countries now, including the United States and many others, are facing the challenges of cancer care in rural versus urban areas. Is this a topic you’d be willing to address? Dr. Mok: Well, in Hong Kong we don’t have rural areas! But in China, this is a major problem. There most of the cancer care is focused on the so-called three major cities [Shanghai, Beijing, Guangzhou]. And after that, there are second-tier cities that also have reasonably good care. But when you filter down to the third and fourth layer, the oncology care actually deteriorates. So that’s why we end up with a lot of people from the more rural areas moving and going to the city looking for care and consultation. So yes, the disparity is significant.

But China is a growing country. It takes time to change. Right now, we can see at ASCO this year, there are a lot of investigators from China sharing their new findings, which is a major development, compared to 10 years ago. Therefore, I think that when you have this type of proliferative development, eventually the good care, the high-quality care will filter down to more rural areas. So, at this moment, I think there is still a lot of work to do.
 

Question: You’ve talked about how oncologists from China are coming up in the field, and this year they have an even greater presence at ASCO, as well as oncologists from elsewhere in Asia, including South Korea, Japan, and Vietnam. You’ve been coming to ASCO for many years. Can you talk about the factors behind China’s increasing presence? Dr. Mok: I think it’s a combination of factors. First of all, I had the honor of working with lung cancer researchers from China from way back, 25 years ago. At that time, we all had nothing. Then with the development of multitargeted therapies, they managed to build up a very good infrastructure for clinical trials. And then, based on that good infrastructure, they were able to do international collaborative studies and provide a supply of patient resources and high-quality data. So, they’ve learned the trick, done a good job, but they cannot have so-called independence until there is a development of pharmaceuticals in China.

And then over the past 10 years, there’s been a proliferation — actually an explosion I would even say — of high-quality pharmaceutical companies in China. First, they’ve got the resources to build the companies. Second, they’ve got the talent resources returning from the United States. So, putting all that together, these were able to go from start-ups to full-fledged functional companies in a very short time.

And with that, they actually sponsored a lot of trials within China. And you can see that putting all the components together: you’ve got high-quality researchers, you’ve got the infrastructure, and now you’ve got your drugs and the money to do the trials. As a result, you’ve got a lot of good data coming from China.
 

Question: There’s also a population with these mutations.Dr. Mok: That for one, but most have multitargeted therapies, but they also have immunotherapies that have nothing to do with the high incidence. But I think in a sense, in the beginning, they were doing `me-too’ compounds, but now I think they are starting to do ‘me-better’ compounds.

Question: Is there anything you want to say about some of the other presentations that have your name on them at ASCO this year?Dr. Mok: I think the most important one I was engaged in is the CROWN study. The CROWN study is actually a phase 3 study that compares lorlatinib versus crizotinib in patients with advanced, ALK-positive non–small cell lung cancer.

This is a 5-year follow-up, and we were actually able to report an outrageously encouraging 5-year progression-free rate at 60%, meaning that the patient is walking in the door 5 years later when they are on the drug, and 60% of them actually do not have progression, not death, just not progression, just staying on the same pill—which is quite outrageously good for lung cancer.

CHICAGO — Carlos, a 21-year-old, lay in a hospital bed, barely clinging to life. Following a stem cell transplant for leukemia, Carlos had developed a life-threatening case of graft-vs-host disease.

But Carlos’ mother had faith.

“I have hope things will get better,” she said, via interpreter, to Richard Leiter, MD, a palliative care doctor in training at that time.

“I hope they will,” Dr. Leiter told her.

“I should have stopped there,” said Dr. Leiter, recounting an early-career lesson on hope during the ASCO Voices session at the American Society of Clinical Oncology annual meeting. “But in my eagerness to show my attending and myself that I could handle this conversation, I kept going, mistakenly.”

“But none of us think they will,” Dr. Leiter continued.

Carlos’ mother looked Dr. Leiter in the eye. “You want him to die,” she said.

“I knew, even then, that she was right,” recalled Dr. Leiter, now a palliative care physician at Dana-Farber Cancer Institute and Brigham and Women’s Hospital and an assistant professor of medicine at Harvard Medical School, Boston.

Although there was nothing he could do to save Carlos, Dr. Leiter also couldn’t sit with the extreme suffering. “The pain was too great,” Dr. Leiter said. “I needed her to adopt our narrative that we had done everything we could to help him live, and now, we would do everything we could to help his death be a comfortable one.”

But looking back, Dr. Leiter realized, “How could we have asked her to accept what was fundamentally unacceptable, to comprehend the incomprehensible?”
 

The Importance of Hope

Hope is not only a feature of human cognition but also a measurable and malleable construct that can affect life outcomes, Alan B. Astrow, MD, said during an ASCO symposium on “The Art and Science of Hope.”

“How we think about hope directly influences patient care,” said Dr. Astrow, chief of hematology and medical oncology at NewYork-Presbyterian Brooklyn Methodist Hospital and a professor of clinical medicine at Weill Cornell Medicine in New York City.

Hope, whatever it turns out to be neurobiologically, is “very much a gift” that underlies human existence, he said.

Physicians have the capacity to restore or shatter a patient’s hopes, and those who come to understand the importance of hope will wish to extend the gift to others, Dr. Astrow said.

Asking patients about their hopes is the “golden question,” Steven Z. Pantilat, MD, said at the symposium. “When you think about the future, what do you hope for?”

Often, the answers reveal not only “things beyond a cure that matter tremendously to the patient but things that we can help with,” said Dr. Pantilat, professor and chief of the Division of Palliative Medicine at the University of California San Francisco.

Dr. Pantilat recalled a patient with advanced pancreatic cancer who wished to see her daughter’s wedding in 10 months. He knew that was unlikely, but the discussion led to another solution.

Her daughter moved the wedding to the ICU.

Hope can persist and uplift even in the darkest of times, and “as clinicians, we need to be in the true hope business,” he said.

While some patients may wish for a cure, others may want more time with family or comfort in the face of suffering. People can “hope for all the things that can still be, despite the fact that there’s a lot of things that can’t,” he said.

However, fear that a patient will hope for a cure, and that the difficult discussions to follow might destroy hope or lead to false hope, sometimes means physicians won’t begin the conversation.

“We want to be honest with our patients — compassionate and kind, but honest — when we talk about their hopes,” Dr. Pantilat explained. Sometimes that means he needs to tell patients, “I wish that could happen. I wish I had a treatment that could make your cancer go away, but unfortunately, I don’t. So let’s think about what else we can do to help you.”

Having these difficult discussions matters. The evidence, although limited, indicates that feeling hopeful can improve patients’ well-being and may even boost their cancer outcomes.

One recent study found, for instance, that patients who reported feeling more hopeful also had lower levels of depression and anxiety. Early research also suggests that greater levels of hope may have a hand in reducing inflammation in patients with ovarian cancer and could even improve survival in some patients with advanced cancer.

For Dr. Leiter, while these lessons came early in his career as a palliative care physician, they persist and influence his practice today.

“I know that I could not have prevented Carlos’ death. None of us could have, and none of us could have protected his mother from the unimaginable grief that will stay with her for the rest of her life,” he said. “But I could have made things just a little bit less difficult for her.

“I could have acted as her guide rather than her cross-examiner,” he continued, explaining that he now sees hope as “a generous collaborator” that can coexist with rising creatinine levels, failing livers, and fears about intubation.

“As clinicians, we can always find space to hope with our patients and their families,” he said. “So now, years later when I sit with a terrified and grieving family and they tell me they hope their loved one gets better, I remember Carlos’ mother’s eyes piercing mine ... and I know how to respond: ‘I hope so, too.’ And I do.”
 

A version of this article appeared on Medscape.com.

CHICAGO — Carlos, a 21-year-old, lay in a hospital bed, barely clinging to life. Following a stem cell transplant for leukemia, Carlos had developed a life-threatening case of graft-vs-host disease.

But Carlos’ mother had faith.

“I have hope things will get better,” she said, via interpreter, to Richard Leiter, MD, a palliative care doctor in training at that time.

“I hope they will,” Dr. Leiter told her.

“I should have stopped there,” said Dr. Leiter, recounting an early-career lesson on hope during the ASCO Voices session at the American Society of Clinical Oncology annual meeting. “But in my eagerness to show my attending and myself that I could handle this conversation, I kept going, mistakenly.”

“But none of us think they will,” Dr. Leiter continued.

Carlos’ mother looked Dr. Leiter in the eye. “You want him to die,” she said.

“I knew, even then, that she was right,” recalled Dr. Leiter, now a palliative care physician at Dana-Farber Cancer Institute and Brigham and Women’s Hospital and an assistant professor of medicine at Harvard Medical School, Boston.

Although there was nothing he could do to save Carlos, Dr. Leiter also couldn’t sit with the extreme suffering. “The pain was too great,” Dr. Leiter said. “I needed her to adopt our narrative that we had done everything we could to help him live, and now, we would do everything we could to help his death be a comfortable one.”

But looking back, Dr. Leiter realized, “How could we have asked her to accept what was fundamentally unacceptable, to comprehend the incomprehensible?”
 

The Importance of Hope

Hope is not only a feature of human cognition but also a measurable and malleable construct that can affect life outcomes, Alan B. Astrow, MD, said during an ASCO symposium on “The Art and Science of Hope.”

“How we think about hope directly influences patient care,” said Dr. Astrow, chief of hematology and medical oncology at NewYork-Presbyterian Brooklyn Methodist Hospital and a professor of clinical medicine at Weill Cornell Medicine in New York City.

Hope, whatever it turns out to be neurobiologically, is “very much a gift” that underlies human existence, he said.

Physicians have the capacity to restore or shatter a patient’s hopes, and those who come to understand the importance of hope will wish to extend the gift to others, Dr. Astrow said.

Asking patients about their hopes is the “golden question,” Steven Z. Pantilat, MD, said at the symposium. “When you think about the future, what do you hope for?”

Often, the answers reveal not only “things beyond a cure that matter tremendously to the patient but things that we can help with,” said Dr. Pantilat, professor and chief of the Division of Palliative Medicine at the University of California San Francisco.

Dr. Pantilat recalled a patient with advanced pancreatic cancer who wished to see her daughter’s wedding in 10 months. He knew that was unlikely, but the discussion led to another solution.

Her daughter moved the wedding to the ICU.

Hope can persist and uplift even in the darkest of times, and “as clinicians, we need to be in the true hope business,” he said.

While some patients may wish for a cure, others may want more time with family or comfort in the face of suffering. People can “hope for all the things that can still be, despite the fact that there’s a lot of things that can’t,” he said.

However, fear that a patient will hope for a cure, and that the difficult discussions to follow might destroy hope or lead to false hope, sometimes means physicians won’t begin the conversation.

“We want to be honest with our patients — compassionate and kind, but honest — when we talk about their hopes,” Dr. Pantilat explained. Sometimes that means he needs to tell patients, “I wish that could happen. I wish I had a treatment that could make your cancer go away, but unfortunately, I don’t. So let’s think about what else we can do to help you.”

Having these difficult discussions matters. The evidence, although limited, indicates that feeling hopeful can improve patients’ well-being and may even boost their cancer outcomes.

One recent study found, for instance, that patients who reported feeling more hopeful also had lower levels of depression and anxiety. Early research also suggests that greater levels of hope may have a hand in reducing inflammation in patients with ovarian cancer and could even improve survival in some patients with advanced cancer.

For Dr. Leiter, while these lessons came early in his career as a palliative care physician, they persist and influence his practice today.

“I know that I could not have prevented Carlos’ death. None of us could have, and none of us could have protected his mother from the unimaginable grief that will stay with her for the rest of her life,” he said. “But I could have made things just a little bit less difficult for her.

“I could have acted as her guide rather than her cross-examiner,” he continued, explaining that he now sees hope as “a generous collaborator” that can coexist with rising creatinine levels, failing livers, and fears about intubation.

“As clinicians, we can always find space to hope with our patients and their families,” he said. “So now, years later when I sit with a terrified and grieving family and they tell me they hope their loved one gets better, I remember Carlos’ mother’s eyes piercing mine ... and I know how to respond: ‘I hope so, too.’ And I do.”