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RA and demyelinating disease: No consistent link to TNFi
MILAN – Treatment of rheumatoid arthritis with tumor necrosis factor inhibitors (TNFi) does not appear to demonstrate a consistent and significant risk for demyelinating disease, according to a systematic literature review presented at the annual European Congress of Rheumatology.
The review was conducted by Isabel Castrejon, MD, of the rheumatology department at Gregorio Marañón General University Hospital, Madrid, and colleagues. “In male RA patients, a marginal and slight increase in risk was found. The low number of events provides reassurance regarding the use of these drugs. However, careful consideration is recommended for individuals at the highest risk of demyelinating diseases,” Dr. Castrejon said in an interview. “Health care providers should evaluate the potential benefits and risks of TNFi treatment on a case-by-case basis and closely monitor patients for any signs or symptoms of demyelinating events.”
The researchers performed the review because early data from biologic registries did not provide sufficient clarity, and the association between TNFi exposure and inflammatory central nervous system events remains poorly understood.
Key findings from the analyzed data
Dr. Castrejon and colleagues’ review considered 368 studies that included patients with RA, treatment with any biologic including TNFi and synthetic disease-modifying antirheumatic drugs (DMARDs), and demyelinating event.
The studies focused on assessing the risk of demyelinating events following treatment with biologics, particularly TNFi. Some studies included only patients with RA, while others examined mixed forms of arthritis. In cases involving mixed populations, patients with RA were analyzed separately. Additionally, certain studies solely considered multiple sclerosis, while others encompassed various types of demyelinating events. Dr. Castrejon said that a meta-analysis of the studies could not be performed because of their heterogeneity.
Among the 368 studies, four observational cohort studies and three nested case-control studies reported a risk of demyelinating events following treatment with biologics. Two nested case-control studies indicated an increased risk in mixed populations but did not separately analyze the subgroup of patients with RA. Two observational cohort studies revealed a marginally increased risk in men with RA who undergo TNFi treatment. In the first study, the incidence was 19.7/100,000 patient-years (95% confidence interval, 13.7-27.3) with a standardized incidence ratio of 1.38 (95% CI, 0.96-1.92), a definite case risk ratio of 0.83 (95% CI, 0.51-1.26), and an RR for male patients of 2.75 (95% CI, 1.31-5.06). The second study had an SIR of 1.11 (95% CI, 0.63-1.93), a RR for patients with RA of 0.65 (95% CI, 0.24-1.72), and male RR of 3.48 (95% CI, 1.45-8.37).
An unresolved question is whether demyelinating events are attributable to the underlying disease itself, which may not have been recognized at the time of diagnosis, or whether they are caused by DMARDs. Additionally, the articles that the reviewers analyzed did not consider patient characteristics that could interact with other factors, such as comorbidities or smoking, that might influence their susceptibility to the development of demyelinating events.
How should clinicians manage patients with RA who are at high risk of developing demyelinating diseases? “Typically, we initiate treatment with conventional synthetic disease-modifying methotrexate and then progress to other drugs,” Maya H. Buch, MBChB, PhD, professor of rheumatology at the University of Leeds (England), said in an interview. “For patients in high-risk groups, there are alternative treatment strategies, especially in comparison to TNFi, where there may be a rationale for their use.” Dr. Buch was not involved in the review.
Dr. Castrejon and colleagues reported no relevant financial relationships.
A version of this article first appeared on Medscape.com.
MILAN – Treatment of rheumatoid arthritis with tumor necrosis factor inhibitors (TNFi) does not appear to demonstrate a consistent and significant risk for demyelinating disease, according to a systematic literature review presented at the annual European Congress of Rheumatology.
The review was conducted by Isabel Castrejon, MD, of the rheumatology department at Gregorio Marañón General University Hospital, Madrid, and colleagues. “In male RA patients, a marginal and slight increase in risk was found. The low number of events provides reassurance regarding the use of these drugs. However, careful consideration is recommended for individuals at the highest risk of demyelinating diseases,” Dr. Castrejon said in an interview. “Health care providers should evaluate the potential benefits and risks of TNFi treatment on a case-by-case basis and closely monitor patients for any signs or symptoms of demyelinating events.”
The researchers performed the review because early data from biologic registries did not provide sufficient clarity, and the association between TNFi exposure and inflammatory central nervous system events remains poorly understood.
Key findings from the analyzed data
Dr. Castrejon and colleagues’ review considered 368 studies that included patients with RA, treatment with any biologic including TNFi and synthetic disease-modifying antirheumatic drugs (DMARDs), and demyelinating event.
The studies focused on assessing the risk of demyelinating events following treatment with biologics, particularly TNFi. Some studies included only patients with RA, while others examined mixed forms of arthritis. In cases involving mixed populations, patients with RA were analyzed separately. Additionally, certain studies solely considered multiple sclerosis, while others encompassed various types of demyelinating events. Dr. Castrejon said that a meta-analysis of the studies could not be performed because of their heterogeneity.
Among the 368 studies, four observational cohort studies and three nested case-control studies reported a risk of demyelinating events following treatment with biologics. Two nested case-control studies indicated an increased risk in mixed populations but did not separately analyze the subgroup of patients with RA. Two observational cohort studies revealed a marginally increased risk in men with RA who undergo TNFi treatment. In the first study, the incidence was 19.7/100,000 patient-years (95% confidence interval, 13.7-27.3) with a standardized incidence ratio of 1.38 (95% CI, 0.96-1.92), a definite case risk ratio of 0.83 (95% CI, 0.51-1.26), and an RR for male patients of 2.75 (95% CI, 1.31-5.06). The second study had an SIR of 1.11 (95% CI, 0.63-1.93), a RR for patients with RA of 0.65 (95% CI, 0.24-1.72), and male RR of 3.48 (95% CI, 1.45-8.37).
An unresolved question is whether demyelinating events are attributable to the underlying disease itself, which may not have been recognized at the time of diagnosis, or whether they are caused by DMARDs. Additionally, the articles that the reviewers analyzed did not consider patient characteristics that could interact with other factors, such as comorbidities or smoking, that might influence their susceptibility to the development of demyelinating events.
How should clinicians manage patients with RA who are at high risk of developing demyelinating diseases? “Typically, we initiate treatment with conventional synthetic disease-modifying methotrexate and then progress to other drugs,” Maya H. Buch, MBChB, PhD, professor of rheumatology at the University of Leeds (England), said in an interview. “For patients in high-risk groups, there are alternative treatment strategies, especially in comparison to TNFi, where there may be a rationale for their use.” Dr. Buch was not involved in the review.
Dr. Castrejon and colleagues reported no relevant financial relationships.
A version of this article first appeared on Medscape.com.
MILAN – Treatment of rheumatoid arthritis with tumor necrosis factor inhibitors (TNFi) does not appear to demonstrate a consistent and significant risk for demyelinating disease, according to a systematic literature review presented at the annual European Congress of Rheumatology.
The review was conducted by Isabel Castrejon, MD, of the rheumatology department at Gregorio Marañón General University Hospital, Madrid, and colleagues. “In male RA patients, a marginal and slight increase in risk was found. The low number of events provides reassurance regarding the use of these drugs. However, careful consideration is recommended for individuals at the highest risk of demyelinating diseases,” Dr. Castrejon said in an interview. “Health care providers should evaluate the potential benefits and risks of TNFi treatment on a case-by-case basis and closely monitor patients for any signs or symptoms of demyelinating events.”
The researchers performed the review because early data from biologic registries did not provide sufficient clarity, and the association between TNFi exposure and inflammatory central nervous system events remains poorly understood.
Key findings from the analyzed data
Dr. Castrejon and colleagues’ review considered 368 studies that included patients with RA, treatment with any biologic including TNFi and synthetic disease-modifying antirheumatic drugs (DMARDs), and demyelinating event.
The studies focused on assessing the risk of demyelinating events following treatment with biologics, particularly TNFi. Some studies included only patients with RA, while others examined mixed forms of arthritis. In cases involving mixed populations, patients with RA were analyzed separately. Additionally, certain studies solely considered multiple sclerosis, while others encompassed various types of demyelinating events. Dr. Castrejon said that a meta-analysis of the studies could not be performed because of their heterogeneity.
Among the 368 studies, four observational cohort studies and three nested case-control studies reported a risk of demyelinating events following treatment with biologics. Two nested case-control studies indicated an increased risk in mixed populations but did not separately analyze the subgroup of patients with RA. Two observational cohort studies revealed a marginally increased risk in men with RA who undergo TNFi treatment. In the first study, the incidence was 19.7/100,000 patient-years (95% confidence interval, 13.7-27.3) with a standardized incidence ratio of 1.38 (95% CI, 0.96-1.92), a definite case risk ratio of 0.83 (95% CI, 0.51-1.26), and an RR for male patients of 2.75 (95% CI, 1.31-5.06). The second study had an SIR of 1.11 (95% CI, 0.63-1.93), a RR for patients with RA of 0.65 (95% CI, 0.24-1.72), and male RR of 3.48 (95% CI, 1.45-8.37).
An unresolved question is whether demyelinating events are attributable to the underlying disease itself, which may not have been recognized at the time of diagnosis, or whether they are caused by DMARDs. Additionally, the articles that the reviewers analyzed did not consider patient characteristics that could interact with other factors, such as comorbidities or smoking, that might influence their susceptibility to the development of demyelinating events.
How should clinicians manage patients with RA who are at high risk of developing demyelinating diseases? “Typically, we initiate treatment with conventional synthetic disease-modifying methotrexate and then progress to other drugs,” Maya H. Buch, MBChB, PhD, professor of rheumatology at the University of Leeds (England), said in an interview. “For patients in high-risk groups, there are alternative treatment strategies, especially in comparison to TNFi, where there may be a rationale for their use.” Dr. Buch was not involved in the review.
Dr. Castrejon and colleagues reported no relevant financial relationships.
A version of this article first appeared on Medscape.com.
AT EULAR 2023
High-intensity interval training has sustainable effects in patients with inflammatory arthritis
MILAN – High-intensity interval training (HIIT) has been shown to enhance cardiorespiratory fitness (CRF) and mitigate cardiovascular disease (CVD) risk factors in patients with inflammatory joint diseases (IJD) in a randomized trial. Notably, the positive response in CRF did not coincide with changes in pain or fatigue.
Kristine Norden, of the Center for Treatment of Rheumatic and Musculoskeletal Diseases, Norwegian National Advisory Unit on Rehabilitation in Rheumatology, Diakonhjemmet Hospital, Oslo, presented the late-breaking results of the ExeHeart trial at the annual European Congress of Rheumatology. The trial aimed to evaluate the short- and long-term effects of 12 weeks of supervised HIIT in patients with IJD.
Ms. Norden said in an interview that “HIIT is a feasible physiotherapeutic intervention with sustainable effects in patients with IJD. It does not exacerbate symptoms of IJD and can be implemented in primary care settings.”
The trial
The ExeHeart trial is a randomized controlled trial designed to assess the effects of HIIT on CRF, CVD risk, and disease activity in patients with IJD. The trial is a collaborative effort with patient research partners and aligns with patients’ requests for effective nonpharmacologic treatments. The outcomes being evaluated include CRF (primary outcome), CVD risk factors, anthropometric measures, disease activity, and patient-reported outcomes related to pain, fatigue, disease, physical activity, and exercise.
A total of 60 patients with IJD were recruited from the Preventive Cardio-Rheuma clinic at Diakonhjemmet. They were randomly assigned to receive either standard care (including relevant lifestyle advice and cardiopreventive medication) or standard care along with a 12-week HIIT intervention supervised by physiotherapists. Assessments were conducted at baseline, at 3 months (primary endpoint), and at 6 months post baseline. There was no supervised intervention between the 3- and 6-month time points.
The median age of the participants was 59 years, with 34 participants (57%) being women. The types of IJD among the participants included rheumatoid arthritis in 45%, spondyloarthritis in 32%, and psoriatic arthritis in 23%. Furthermore, 49 patients (82%) had a high risk for CVD.
The participants were divided into two groups: a control group (n = 30) and a HIIT group (n = 30). The HIIT group underwent a 12-week intervention consisting of twice-a-week supervised 4x4-minute HIIT sessions at 90%-95% of peak heart rate, alternated with moderate activity at 70%. The control group engaged in unsupervised moderate-intensity exercise sessions. The primary outcome measured was the change in CRF, assessed through peak oxygen uptake (VO2 max) using a cardiopulmonary exercise test. Secondary outcomes – pain and fatigue – were evaluated using a questionnaire (Numeric Rating Scale 0-10, where 0 represents no pain or fatigue).
Following HIIT, a statistically significant difference was observed in VO2 max (2.5 mL/kg per min; P < .01) in favor of the exercise group at 3 months, while no significant differences were found in pain and fatigue. This discrepancy in VO2 max between the groups was maintained at 6 months (2.6 mL/kg per min; P < .01), with no notable disparities in pain and fatigue. A per-protocol analysis at 3 months demonstrated a difference in VO2 max between the groups (3.2 mL/kg per min; P < .01).
Ms. Norden concluded that the clinical implications of these findings are significant, as increased CRF achieved through HIIT reflects an improvement in the body’s ability to deliver oxygen to working muscles. Consequently, this enhancement in CRF can lead to overall health improvements and a reduced risk for CVD.
Long-lasting effects
Christopher Edwards, MBBS, MD, honorary consultant rheumatologist at University Hospital Southampton (England) NHS Foundation Trust Medicine, University of Southampton, was concerned about future maintenance of increased CRF. “I really wish we had data on these patients at 12 months as well, so we could see if the effects last even longer. Regarding intensity, there are clear indications that engaging in moderate and high-intensity workouts is more beneficial,” Dr. Norden said. “So, I would certainly recommend at least one high-intensity exercise session per week for those patients, while also incorporating lower and moderate-intensity exercises if desired. However, for individuals aiming to maximize their oxygen uptake, high-intensity exercise is considered the most effective approach.”
There is compelling evidence supporting the benefits of physical activity in improving disease activity among patients with IJD, making it a critical component of nonpharmacologic treatment. However, individuals with rheumatic and musculoskeletal conditions generally exhibit lower levels of physical activity, compared with their healthy counterparts. Recognizing the importance of CVD prevention in patients with IJD, EULAR recommends routine CVD screening for individuals diagnosed with IJD.
Ms. Norden and coauthors report no relevant financial relationships.
A version of this article first appeared on Medscape.com.
MILAN – High-intensity interval training (HIIT) has been shown to enhance cardiorespiratory fitness (CRF) and mitigate cardiovascular disease (CVD) risk factors in patients with inflammatory joint diseases (IJD) in a randomized trial. Notably, the positive response in CRF did not coincide with changes in pain or fatigue.
Kristine Norden, of the Center for Treatment of Rheumatic and Musculoskeletal Diseases, Norwegian National Advisory Unit on Rehabilitation in Rheumatology, Diakonhjemmet Hospital, Oslo, presented the late-breaking results of the ExeHeart trial at the annual European Congress of Rheumatology. The trial aimed to evaluate the short- and long-term effects of 12 weeks of supervised HIIT in patients with IJD.
Ms. Norden said in an interview that “HIIT is a feasible physiotherapeutic intervention with sustainable effects in patients with IJD. It does not exacerbate symptoms of IJD and can be implemented in primary care settings.”
The trial
The ExeHeart trial is a randomized controlled trial designed to assess the effects of HIIT on CRF, CVD risk, and disease activity in patients with IJD. The trial is a collaborative effort with patient research partners and aligns with patients’ requests for effective nonpharmacologic treatments. The outcomes being evaluated include CRF (primary outcome), CVD risk factors, anthropometric measures, disease activity, and patient-reported outcomes related to pain, fatigue, disease, physical activity, and exercise.
A total of 60 patients with IJD were recruited from the Preventive Cardio-Rheuma clinic at Diakonhjemmet. They were randomly assigned to receive either standard care (including relevant lifestyle advice and cardiopreventive medication) or standard care along with a 12-week HIIT intervention supervised by physiotherapists. Assessments were conducted at baseline, at 3 months (primary endpoint), and at 6 months post baseline. There was no supervised intervention between the 3- and 6-month time points.
The median age of the participants was 59 years, with 34 participants (57%) being women. The types of IJD among the participants included rheumatoid arthritis in 45%, spondyloarthritis in 32%, and psoriatic arthritis in 23%. Furthermore, 49 patients (82%) had a high risk for CVD.
The participants were divided into two groups: a control group (n = 30) and a HIIT group (n = 30). The HIIT group underwent a 12-week intervention consisting of twice-a-week supervised 4x4-minute HIIT sessions at 90%-95% of peak heart rate, alternated with moderate activity at 70%. The control group engaged in unsupervised moderate-intensity exercise sessions. The primary outcome measured was the change in CRF, assessed through peak oxygen uptake (VO2 max) using a cardiopulmonary exercise test. Secondary outcomes – pain and fatigue – were evaluated using a questionnaire (Numeric Rating Scale 0-10, where 0 represents no pain or fatigue).
Following HIIT, a statistically significant difference was observed in VO2 max (2.5 mL/kg per min; P < .01) in favor of the exercise group at 3 months, while no significant differences were found in pain and fatigue. This discrepancy in VO2 max between the groups was maintained at 6 months (2.6 mL/kg per min; P < .01), with no notable disparities in pain and fatigue. A per-protocol analysis at 3 months demonstrated a difference in VO2 max between the groups (3.2 mL/kg per min; P < .01).
Ms. Norden concluded that the clinical implications of these findings are significant, as increased CRF achieved through HIIT reflects an improvement in the body’s ability to deliver oxygen to working muscles. Consequently, this enhancement in CRF can lead to overall health improvements and a reduced risk for CVD.
Long-lasting effects
Christopher Edwards, MBBS, MD, honorary consultant rheumatologist at University Hospital Southampton (England) NHS Foundation Trust Medicine, University of Southampton, was concerned about future maintenance of increased CRF. “I really wish we had data on these patients at 12 months as well, so we could see if the effects last even longer. Regarding intensity, there are clear indications that engaging in moderate and high-intensity workouts is more beneficial,” Dr. Norden said. “So, I would certainly recommend at least one high-intensity exercise session per week for those patients, while also incorporating lower and moderate-intensity exercises if desired. However, for individuals aiming to maximize their oxygen uptake, high-intensity exercise is considered the most effective approach.”
There is compelling evidence supporting the benefits of physical activity in improving disease activity among patients with IJD, making it a critical component of nonpharmacologic treatment. However, individuals with rheumatic and musculoskeletal conditions generally exhibit lower levels of physical activity, compared with their healthy counterparts. Recognizing the importance of CVD prevention in patients with IJD, EULAR recommends routine CVD screening for individuals diagnosed with IJD.
Ms. Norden and coauthors report no relevant financial relationships.
A version of this article first appeared on Medscape.com.
MILAN – High-intensity interval training (HIIT) has been shown to enhance cardiorespiratory fitness (CRF) and mitigate cardiovascular disease (CVD) risk factors in patients with inflammatory joint diseases (IJD) in a randomized trial. Notably, the positive response in CRF did not coincide with changes in pain or fatigue.
Kristine Norden, of the Center for Treatment of Rheumatic and Musculoskeletal Diseases, Norwegian National Advisory Unit on Rehabilitation in Rheumatology, Diakonhjemmet Hospital, Oslo, presented the late-breaking results of the ExeHeart trial at the annual European Congress of Rheumatology. The trial aimed to evaluate the short- and long-term effects of 12 weeks of supervised HIIT in patients with IJD.
Ms. Norden said in an interview that “HIIT is a feasible physiotherapeutic intervention with sustainable effects in patients with IJD. It does not exacerbate symptoms of IJD and can be implemented in primary care settings.”
The trial
The ExeHeart trial is a randomized controlled trial designed to assess the effects of HIIT on CRF, CVD risk, and disease activity in patients with IJD. The trial is a collaborative effort with patient research partners and aligns with patients’ requests for effective nonpharmacologic treatments. The outcomes being evaluated include CRF (primary outcome), CVD risk factors, anthropometric measures, disease activity, and patient-reported outcomes related to pain, fatigue, disease, physical activity, and exercise.
A total of 60 patients with IJD were recruited from the Preventive Cardio-Rheuma clinic at Diakonhjemmet. They were randomly assigned to receive either standard care (including relevant lifestyle advice and cardiopreventive medication) or standard care along with a 12-week HIIT intervention supervised by physiotherapists. Assessments were conducted at baseline, at 3 months (primary endpoint), and at 6 months post baseline. There was no supervised intervention between the 3- and 6-month time points.
The median age of the participants was 59 years, with 34 participants (57%) being women. The types of IJD among the participants included rheumatoid arthritis in 45%, spondyloarthritis in 32%, and psoriatic arthritis in 23%. Furthermore, 49 patients (82%) had a high risk for CVD.
The participants were divided into two groups: a control group (n = 30) and a HIIT group (n = 30). The HIIT group underwent a 12-week intervention consisting of twice-a-week supervised 4x4-minute HIIT sessions at 90%-95% of peak heart rate, alternated with moderate activity at 70%. The control group engaged in unsupervised moderate-intensity exercise sessions. The primary outcome measured was the change in CRF, assessed through peak oxygen uptake (VO2 max) using a cardiopulmonary exercise test. Secondary outcomes – pain and fatigue – were evaluated using a questionnaire (Numeric Rating Scale 0-10, where 0 represents no pain or fatigue).
Following HIIT, a statistically significant difference was observed in VO2 max (2.5 mL/kg per min; P < .01) in favor of the exercise group at 3 months, while no significant differences were found in pain and fatigue. This discrepancy in VO2 max between the groups was maintained at 6 months (2.6 mL/kg per min; P < .01), with no notable disparities in pain and fatigue. A per-protocol analysis at 3 months demonstrated a difference in VO2 max between the groups (3.2 mL/kg per min; P < .01).
Ms. Norden concluded that the clinical implications of these findings are significant, as increased CRF achieved through HIIT reflects an improvement in the body’s ability to deliver oxygen to working muscles. Consequently, this enhancement in CRF can lead to overall health improvements and a reduced risk for CVD.
Long-lasting effects
Christopher Edwards, MBBS, MD, honorary consultant rheumatologist at University Hospital Southampton (England) NHS Foundation Trust Medicine, University of Southampton, was concerned about future maintenance of increased CRF. “I really wish we had data on these patients at 12 months as well, so we could see if the effects last even longer. Regarding intensity, there are clear indications that engaging in moderate and high-intensity workouts is more beneficial,” Dr. Norden said. “So, I would certainly recommend at least one high-intensity exercise session per week for those patients, while also incorporating lower and moderate-intensity exercises if desired. However, for individuals aiming to maximize their oxygen uptake, high-intensity exercise is considered the most effective approach.”
There is compelling evidence supporting the benefits of physical activity in improving disease activity among patients with IJD, making it a critical component of nonpharmacologic treatment. However, individuals with rheumatic and musculoskeletal conditions generally exhibit lower levels of physical activity, compared with their healthy counterparts. Recognizing the importance of CVD prevention in patients with IJD, EULAR recommends routine CVD screening for individuals diagnosed with IJD.
Ms. Norden and coauthors report no relevant financial relationships.
A version of this article first appeared on Medscape.com.
AT EULAR 2023