Vasculitis

Temporal artery ultrasound alone was sufficient to accurately diagnose giant cell arteritis (GCA) in over half of patients in a new prospective study.

The findings provide further evidence that “[ultrasound] of temporal arteries could really take the place of traditional temporal artery biopsy (TAB)” in patients with high clinical suspicion of GCA, lead author Guillaume Denis, MD, of the Centre Hospitalier de Rochefort in Rochefort, France, told this news organization.

The European Alliance of Associations for Rheumatology (EULAR) already recommends ultrasound as a first-line diagnostic tool for patients with suspected large vessel vasculitis, and the 2022 American College of Rheumatology (ACR)/EULAR classification criteria for GCA weighs positive TAB or temporal artery halo sign on ultrasound equally.

Dmytro Zinkevych | Dreamstime

Methodology

In the study, researchers recruited 165 individuals with high clinical suspicion of GCA from August 2016 through February 2020 at six French hospitals. Only patients older than 50 years of age and with biologic inflammatory syndrome with C-reactive protein elevation (≥ 6 mg/L) qualified for the study. Patients also needed to have at least one of these factors:

• Clinical signs of GCA (abnormal temporal arteries, scalp hyperesthesia, jaw claudication, or vision loss)
• General signs of GCA (headache, fever, or impaired general condition)
• Large-vessel vasculitis visible on imaging (CT angiography [CTA], MR angiography [MRA], and/or PET/CT)

All participants underwent a color Doppler ultrasound of the temporal artery, performed less than 1 week after the initiation of corticosteroid therapy. (Previous research demonstrated that corticosteroids can change the hallmark halo sign of vasculitis detectable via ultrasound as early as 1 week after initiation of therapy, the authors noted.) In this study, the time between consultation with a specialist and ultrasound was less than 1 day.

“Patients with halo signs detected around the lumen of both temporal arteries (that is, bilateral temporal halo sign) were considered as ultrasound-positive,” Guillaume Denis, MD, and colleagues explained. “Patients with no halo sign, or bilateral halo signs in the axillary arteries, or a unilateral halo sign in the temporal artery were considered as ultrasound-negative.”

The findings were published in Annals of Internal Medicine on May 7.
 

Results

In total, 73 participants (44%) had positive ultrasounds and were diagnosed with GCA. These patients also underwent a second ultrasound a month later to document if the halo sign remained unchanged, reduced, or disappeared.

The remaining 92 patients with negative ultrasound results underwent TAB, which was conducted on average 4.5 days after the ultrasound. A total of 28 patients (30%) had a positive TAB result. Physicians diagnosed 35 TAB-negative patients with GCA using clinical, imaging, and biologic data, and 29 patients received alternative diagnoses. These other diagnoses included polymyalgia rheumatica, infectious diseases, cancer, and other systemic inflammatory rheumatic diseases.

All patients diagnosed with GCA via ultrasound had their diagnoses reconfirmed at 1 month and for up to 2 years of follow-up.

“In summary, our study showed that the use of temporal artery ultrasound may be an efficient way to make the diagnosis of GCA in patients with high clinical suspicion and to reduce imaging costs and the need for biopsy, thereby limiting complications and the need for a surgeon,” the authors concluded.
 

Qualifications and Limitations

While over half of patients ultimately diagnosed with GCA were diagnosed using ultrasound, that percentage was “a bit lower than expected,” said Mark Matza, MD, MBA, the co-clinical director of rheumatology at Massachusetts General Hospital in Boston. By comparison, one systematic review calculated ultrasound’s pooled sensitivity at 88% and pooled specificity at 96% for the diagnosis of GCA.

“In this [current] study, 30% of patients who had negative ultrasound were then found to have positive biopsy, indicating that ultrasound missed a substantial portion of patients who were ultimately diagnosed with GCA,” he continued.

Ultrasound is “very operator dependent,” he added, and there has been “variability in test performance of ultrasound.”

The authors acknowledged that techniques for ultrasound of the temporal arteries have also evolved over the study period, and thus, findings may not have been consistent.

However, about one in four patients with GCA were diagnosed after having both negative ultrasound and TAB results.

“One of the things that this paper shows is that even the gold standard of temporal artery biopsy isn’t 100% either,” noted Minna Kohler, MD, who directs the rheumatology musculoskeletal ultrasound program at Massachusetts General Hospital. “That’s why clinically, there is an increasing emphasis on using multimodality imaging to assist in the diagnosis of GCA along with a physician’s clinical intuition,” she said.

Massachusetts General Hospital/Harvard Medical School

A version of this article appeared on Medscape.com.

Temporal artery ultrasound alone was sufficient to accurately diagnose giant cell arteritis (GCA) in over half of patients in a new prospective study.

The findings provide further evidence that “[ultrasound] of temporal arteries could really take the place of traditional temporal artery biopsy (TAB)” in patients with high clinical suspicion of GCA, lead author Guillaume Denis, MD, of the Centre Hospitalier de Rochefort in Rochefort, France, told this news organization.

The European Alliance of Associations for Rheumatology (EULAR) already recommends ultrasound as a first-line diagnostic tool for patients with suspected large vessel vasculitis, and the 2022 American College of Rheumatology (ACR)/EULAR classification criteria for GCA weighs positive TAB or temporal artery halo sign on ultrasound equally.

Dmytro Zinkevych | Dreamstime

Methodology

In the study, researchers recruited 165 individuals with high clinical suspicion of GCA from August 2016 through February 2020 at six French hospitals. Only patients older than 50 years of age and with biologic inflammatory syndrome with C-reactive protein elevation (≥ 6 mg/L) qualified for the study. Patients also needed to have at least one of these factors:

• Clinical signs of GCA (abnormal temporal arteries, scalp hyperesthesia, jaw claudication, or vision loss)
• General signs of GCA (headache, fever, or impaired general condition)
• Large-vessel vasculitis visible on imaging (CT angiography [CTA], MR angiography [MRA], and/or PET/CT)

All participants underwent a color Doppler ultrasound of the temporal artery, performed less than 1 week after the initiation of corticosteroid therapy. (Previous research demonstrated that corticosteroids can change the hallmark halo sign of vasculitis detectable via ultrasound as early as 1 week after initiation of therapy, the authors noted.) In this study, the time between consultation with a specialist and ultrasound was less than 1 day.

“Patients with halo signs detected around the lumen of both temporal arteries (that is, bilateral temporal halo sign) were considered as ultrasound-positive,” Guillaume Denis, MD, and colleagues explained. “Patients with no halo sign, or bilateral halo signs in the axillary arteries, or a unilateral halo sign in the temporal artery were considered as ultrasound-negative.”

The findings were published in Annals of Internal Medicine on May 7.
 

Results

In total, 73 participants (44%) had positive ultrasounds and were diagnosed with GCA. These patients also underwent a second ultrasound a month later to document if the halo sign remained unchanged, reduced, or disappeared.

The remaining 92 patients with negative ultrasound results underwent TAB, which was conducted on average 4.5 days after the ultrasound. A total of 28 patients (30%) had a positive TAB result. Physicians diagnosed 35 TAB-negative patients with GCA using clinical, imaging, and biologic data, and 29 patients received alternative diagnoses. These other diagnoses included polymyalgia rheumatica, infectious diseases, cancer, and other systemic inflammatory rheumatic diseases.

All patients diagnosed with GCA via ultrasound had their diagnoses reconfirmed at 1 month and for up to 2 years of follow-up.

“In summary, our study showed that the use of temporal artery ultrasound may be an efficient way to make the diagnosis of GCA in patients with high clinical suspicion and to reduce imaging costs and the need for biopsy, thereby limiting complications and the need for a surgeon,” the authors concluded.
 

Qualifications and Limitations

While over half of patients ultimately diagnosed with GCA were diagnosed using ultrasound, that percentage was “a bit lower than expected,” said Mark Matza, MD, MBA, the co-clinical director of rheumatology at Massachusetts General Hospital in Boston. By comparison, one systematic review calculated ultrasound’s pooled sensitivity at 88% and pooled specificity at 96% for the diagnosis of GCA.

“In this [current] study, 30% of patients who had negative ultrasound were then found to have positive biopsy, indicating that ultrasound missed a substantial portion of patients who were ultimately diagnosed with GCA,” he continued.

Ultrasound is “very operator dependent,” he added, and there has been “variability in test performance of ultrasound.”

The authors acknowledged that techniques for ultrasound of the temporal arteries have also evolved over the study period, and thus, findings may not have been consistent.

However, about one in four patients with GCA were diagnosed after having both negative ultrasound and TAB results.

“One of the things that this paper shows is that even the gold standard of temporal artery biopsy isn’t 100% either,” noted Minna Kohler, MD, who directs the rheumatology musculoskeletal ultrasound program at Massachusetts General Hospital. “That’s why clinically, there is an increasing emphasis on using multimodality imaging to assist in the diagnosis of GCA along with a physician’s clinical intuition,” she said.

Massachusetts General Hospital/Harvard Medical School

A version of this article appeared on Medscape.com.

Temporal artery ultrasound alone was sufficient to accurately diagnose giant cell arteritis (GCA) in over half of patients in a new prospective study.

The findings provide further evidence that “[ultrasound] of temporal arteries could really take the place of traditional temporal artery biopsy (TAB)” in patients with high clinical suspicion of GCA, lead author Guillaume Denis, MD, of the Centre Hospitalier de Rochefort in Rochefort, France, told this news organization.

The European Alliance of Associations for Rheumatology (EULAR) already recommends ultrasound as a first-line diagnostic tool for patients with suspected large vessel vasculitis, and the 2022 American College of Rheumatology (ACR)/EULAR classification criteria for GCA weighs positive TAB or temporal artery halo sign on ultrasound equally.

Dmytro Zinkevych | Dreamstime

Methodology

In the study, researchers recruited 165 individuals with high clinical suspicion of GCA from August 2016 through February 2020 at six French hospitals. Only patients older than 50 years of age and with biologic inflammatory syndrome with C-reactive protein elevation (≥ 6 mg/L) qualified for the study. Patients also needed to have at least one of these factors:

• Clinical signs of GCA (abnormal temporal arteries, scalp hyperesthesia, jaw claudication, or vision loss)
• General signs of GCA (headache, fever, or impaired general condition)
• Large-vessel vasculitis visible on imaging (CT angiography [CTA], MR angiography [MRA], and/or PET/CT)

All participants underwent a color Doppler ultrasound of the temporal artery, performed less than 1 week after the initiation of corticosteroid therapy. (Previous research demonstrated that corticosteroids can change the hallmark halo sign of vasculitis detectable via ultrasound as early as 1 week after initiation of therapy, the authors noted.) In this study, the time between consultation with a specialist and ultrasound was less than 1 day.

“Patients with halo signs detected around the lumen of both temporal arteries (that is, bilateral temporal halo sign) were considered as ultrasound-positive,” Guillaume Denis, MD, and colleagues explained. “Patients with no halo sign, or bilateral halo signs in the axillary arteries, or a unilateral halo sign in the temporal artery were considered as ultrasound-negative.”

The findings were published in Annals of Internal Medicine on May 7.
 

Results

In total, 73 participants (44%) had positive ultrasounds and were diagnosed with GCA. These patients also underwent a second ultrasound a month later to document if the halo sign remained unchanged, reduced, or disappeared.

The remaining 92 patients with negative ultrasound results underwent TAB, which was conducted on average 4.5 days after the ultrasound. A total of 28 patients (30%) had a positive TAB result. Physicians diagnosed 35 TAB-negative patients with GCA using clinical, imaging, and biologic data, and 29 patients received alternative diagnoses. These other diagnoses included polymyalgia rheumatica, infectious diseases, cancer, and other systemic inflammatory rheumatic diseases.

All patients diagnosed with GCA via ultrasound had their diagnoses reconfirmed at 1 month and for up to 2 years of follow-up.

“In summary, our study showed that the use of temporal artery ultrasound may be an efficient way to make the diagnosis of GCA in patients with high clinical suspicion and to reduce imaging costs and the need for biopsy, thereby limiting complications and the need for a surgeon,” the authors concluded.
 

Qualifications and Limitations

While over half of patients ultimately diagnosed with GCA were diagnosed using ultrasound, that percentage was “a bit lower than expected,” said Mark Matza, MD, MBA, the co-clinical director of rheumatology at Massachusetts General Hospital in Boston. By comparison, one systematic review calculated ultrasound’s pooled sensitivity at 88% and pooled specificity at 96% for the diagnosis of GCA.

“In this [current] study, 30% of patients who had negative ultrasound were then found to have positive biopsy, indicating that ultrasound missed a substantial portion of patients who were ultimately diagnosed with GCA,” he continued.

Ultrasound is “very operator dependent,” he added, and there has been “variability in test performance of ultrasound.”

The authors acknowledged that techniques for ultrasound of the temporal arteries have also evolved over the study period, and thus, findings may not have been consistent.

However, about one in four patients with GCA were diagnosed after having both negative ultrasound and TAB results.

“One of the things that this paper shows is that even the gold standard of temporal artery biopsy isn’t 100% either,” noted Minna Kohler, MD, who directs the rheumatology musculoskeletal ultrasound program at Massachusetts General Hospital. “That’s why clinically, there is an increasing emphasis on using multimodality imaging to assist in the diagnosis of GCA along with a physician’s clinical intuition,” she said.

Massachusetts General Hospital/Harvard Medical School

A version of this article appeared on Medscape.com.

LIVERPOOL, ENGLAND — The British Society for Rheumatology (BSR) and the British Association of Dermatologists (BAD) have joined forces for the first time to develop the first British guidelines for the management of people living with Behçet’s disease.

The guidelines will also be the first “living guidelines” produced by either society, which means they will be regularly revised and updated when new evidence emerges that warrants inclusion.

With more than 90 recommendations being made, the new guidelines promise to be the most comprehensive and most up-to-date yet for what is regarded as a rare disease. Robert Moots, MBBS, PhD, provided a “sneak peek” of the guidelines at the annual meeting of the British Society for Rheumatology.

Dr. Moots, professor of rheumatology at the University of Liverpool and a consultant rheumatologist for Liverpool University Hospitals NHS Foundation Trust in England, noted that while the European Alliance of Associations for Rheumatology has produced a guideline for Behçet’s disease, this was last updated in 2018 and is not specific for the population for patients that is seen in the United Kingdom.

The British recommendations will cover all possible manifestations of Behçet’s disease and give practical advice on how to manage everything from the most common presentations such as skin lesions, mouth ulcers, and genital ulcers, as well as the potentially more serious eye, neurological, and vascular involvement.

Sara Freeman/Medscape Medical News

Importance of Raising Awareness

“Joint and musculoskeletal problems are actually one of the least complained of symptoms in people with Behçet’s, and they often can’t understand why a rheumatologist is seeing them,” Dr. Moot said. “But of course, people do get joint problems, they can get enthesitis and arthralgia.”

Dr. Moots has been leading one of the three National Health Service (NHS) Centres of Excellence for Behçet’s Syndrome in England for more than a decade and told this news organization that diagnosing patients could be challenging. It can take up to 10 years from the first symptoms appearing to getting a diagnosis, so part of the job of the NHS Centres of Excellence is to raise awareness among both the healthcare profession and the general public.

“It’s a condition that people learn about at medical school. Most doctors will have come across it, but because it was thought to be really rare in the UK, nobody perhaps really expects to see it,” Dr. Moot said.

“But we all have these patients,” he added. “In Liverpool, we’re commissioned to be looking after an anticipated 150 people with Behçet’s — we’ve got 700. With more awareness, there’s more diagnoses being made, and people are being looked after better.”
 

Patient Perspective

Tony Thornburn, OBE, chair of the patient advocacy group Behçet’s UK, agreed in a separate interview that raising awareness of the syndrome was key to improving its management.

“Patients have said that it is a bit like having arthritis, lupus, MS [multiple sclerosis], and Crohn’s [disease] all at once,” Mr. Thorburn said. “So what we need is a guideline to ensure that people know what they’re looking at.”

Mr. Thorburn added, “Guidelines are important for raising awareness but also providing the detailed information that clinicians and GPs [general practitioners] need to have to treat a patient when they come in with this multifaceted condition.”
 

Multifaceted Means Multidisciplinary Management

Because there can be so many different aspects to managing someone with Behçet’s disease, a multispecialty team that was convened to develop the guidelines agreed that multidisciplinary management should be an overarching theme.

“The guideline development group consisted of all the specialties that you would need for a complex multisystem disease like Behçet’s,” Dr. Moot said. He highlighted that working alongside the consultants in adult and pediatric rheumatology were specialists in dermatology, gastroenterology, neurology, ophthalmology, obstetrics and gynecology, and psychology.

“We’re actually looking at psychological interactions and their impact for the first time,” Dr. Moot said, noting that clinicians needed to “take it seriously, and ask about it.”
 

Management of Manifestations

One of the general principles of the guidelines is to assess the involvement of each organ system and target treatment accordingly.

“One of the problems is that the evidence base to tell us what to do is pretty low,” Dr. Moots acknowledged. There have been few good quality randomized trials, so “treatment tends to be eminence-based rather than evidence-based.”

The recommendation wording bears this in mind, stating whether a treatment should or should not be offered, or just considered if there is no strong evidence to back up its use.

With regard to musculoskeletal manifestations, the recommendations say that colchicine should be offered, perhaps as a first-line option, or an intraarticular steroid injection in the case of monoarthritis. An intramuscular depot steroid may also be appropriate to offer, and there was good evidence to offer azathioprine or, as an alternative in refractory cases, a tumor necrosis factor (TNF) inhibitor. Nonsteroidal anti-inflammatory drugs, methotrexate, apremilast, secukinumab, and referral to a physiotherapist could only be considered, however, based on weaker levels of evidence for their use.

To treat mucocutaneous disease, the guidelines advise offering topical steroids in the form of ointment for genital ulcers or mouthwash or ointment for oral ulcers. For skin lesions, it is recommended to offer colchicine, azathioprine, mycophenolate mofetil, or TNF inhibitor and to consider the use of apremilast, secukinumab, or dapsone.
 

Future Work and Revision

“One of the key things we would like to see developing is a national registry,” Dr. Moots said. This would include biobanking samples for future research and possible genomic and phenotyping studies.

More work needs to be done in conducting clinical trials in children and young people with Behçet’s disease, studies to find prognostic factors for neurological disease, and clinical trials of potential new drug approaches such as Janus kinase inhibitors. Importantly, an auditing process needs to be set up to see what effect, if any, the guidelines will actually have onpatient management.

“It’s taken 5 years to today” to develop the guidelines, Dr. Moot said. What form the process of updating them will take still has to be decided, he said in the interview. It is likely that the necessary literature searches will be performed every 6 months or so, but it will be a compromise between the ideal situation and having the staffing time to do it.

“It’s a big ask,” Dr. Moot acknowledged, adding that even if updates were only once a year, it would still be much faster than the 5- or 6-year cycle that it traditionally takes for most guidelines to be updated.

The BSR and BAD’s processes for developing guidelines are accredited by the National Institute for Health and Care Excellence in England. Dr. Moots is the chief investigator for the Secukinumab in Behçet’s trial, which is sponsored by the Liverpool University Hospitals NHS Foundation Trust via grant funding from Novartis.
 

A version of this article appeared on Medscape.com.

LIVERPOOL, ENGLAND — The British Society for Rheumatology (BSR) and the British Association of Dermatologists (BAD) have joined forces for the first time to develop the first British guidelines for the management of people living with Behçet’s disease.

The guidelines will also be the first “living guidelines” produced by either society, which means they will be regularly revised and updated when new evidence emerges that warrants inclusion.

With more than 90 recommendations being made, the new guidelines promise to be the most comprehensive and most up-to-date yet for what is regarded as a rare disease. Robert Moots, MBBS, PhD, provided a “sneak peek” of the guidelines at the annual meeting of the British Society for Rheumatology.

Dr. Moots, professor of rheumatology at the University of Liverpool and a consultant rheumatologist for Liverpool University Hospitals NHS Foundation Trust in England, noted that while the European Alliance of Associations for Rheumatology has produced a guideline for Behçet’s disease, this was last updated in 2018 and is not specific for the population for patients that is seen in the United Kingdom.

The British recommendations will cover all possible manifestations of Behçet’s disease and give practical advice on how to manage everything from the most common presentations such as skin lesions, mouth ulcers, and genital ulcers, as well as the potentially more serious eye, neurological, and vascular involvement.

Sara Freeman/Medscape Medical News

Importance of Raising Awareness

“Joint and musculoskeletal problems are actually one of the least complained of symptoms in people with Behçet’s, and they often can’t understand why a rheumatologist is seeing them,” Dr. Moot said. “But of course, people do get joint problems, they can get enthesitis and arthralgia.”

Dr. Moots has been leading one of the three National Health Service (NHS) Centres of Excellence for Behçet’s Syndrome in England for more than a decade and told this news organization that diagnosing patients could be challenging. It can take up to 10 years from the first symptoms appearing to getting a diagnosis, so part of the job of the NHS Centres of Excellence is to raise awareness among both the healthcare profession and the general public.

“It’s a condition that people learn about at medical school. Most doctors will have come across it, but because it was thought to be really rare in the UK, nobody perhaps really expects to see it,” Dr. Moot said.

“But we all have these patients,” he added. “In Liverpool, we’re commissioned to be looking after an anticipated 150 people with Behçet’s — we’ve got 700. With more awareness, there’s more diagnoses being made, and people are being looked after better.”
 

Patient Perspective

Tony Thornburn, OBE, chair of the patient advocacy group Behçet’s UK, agreed in a separate interview that raising awareness of the syndrome was key to improving its management.

“Patients have said that it is a bit like having arthritis, lupus, MS [multiple sclerosis], and Crohn’s [disease] all at once,” Mr. Thorburn said. “So what we need is a guideline to ensure that people know what they’re looking at.”

Mr. Thorburn added, “Guidelines are important for raising awareness but also providing the detailed information that clinicians and GPs [general practitioners] need to have to treat a patient when they come in with this multifaceted condition.”
 

Multifaceted Means Multidisciplinary Management

Because there can be so many different aspects to managing someone with Behçet’s disease, a multispecialty team that was convened to develop the guidelines agreed that multidisciplinary management should be an overarching theme.

“The guideline development group consisted of all the specialties that you would need for a complex multisystem disease like Behçet’s,” Dr. Moot said. He highlighted that working alongside the consultants in adult and pediatric rheumatology were specialists in dermatology, gastroenterology, neurology, ophthalmology, obstetrics and gynecology, and psychology.

“We’re actually looking at psychological interactions and their impact for the first time,” Dr. Moot said, noting that clinicians needed to “take it seriously, and ask about it.”
 

Management of Manifestations

One of the general principles of the guidelines is to assess the involvement of each organ system and target treatment accordingly.

“One of the problems is that the evidence base to tell us what to do is pretty low,” Dr. Moots acknowledged. There have been few good quality randomized trials, so “treatment tends to be eminence-based rather than evidence-based.”

The recommendation wording bears this in mind, stating whether a treatment should or should not be offered, or just considered if there is no strong evidence to back up its use.

With regard to musculoskeletal manifestations, the recommendations say that colchicine should be offered, perhaps as a first-line option, or an intraarticular steroid injection in the case of monoarthritis. An intramuscular depot steroid may also be appropriate to offer, and there was good evidence to offer azathioprine or, as an alternative in refractory cases, a tumor necrosis factor (TNF) inhibitor. Nonsteroidal anti-inflammatory drugs, methotrexate, apremilast, secukinumab, and referral to a physiotherapist could only be considered, however, based on weaker levels of evidence for their use.

To treat mucocutaneous disease, the guidelines advise offering topical steroids in the form of ointment for genital ulcers or mouthwash or ointment for oral ulcers. For skin lesions, it is recommended to offer colchicine, azathioprine, mycophenolate mofetil, or TNF inhibitor and to consider the use of apremilast, secukinumab, or dapsone.
 

Future Work and Revision

“One of the key things we would like to see developing is a national registry,” Dr. Moots said. This would include biobanking samples for future research and possible genomic and phenotyping studies.

More work needs to be done in conducting clinical trials in children and young people with Behçet’s disease, studies to find prognostic factors for neurological disease, and clinical trials of potential new drug approaches such as Janus kinase inhibitors. Importantly, an auditing process needs to be set up to see what effect, if any, the guidelines will actually have onpatient management.

“It’s taken 5 years to today” to develop the guidelines, Dr. Moot said. What form the process of updating them will take still has to be decided, he said in the interview. It is likely that the necessary literature searches will be performed every 6 months or so, but it will be a compromise between the ideal situation and having the staffing time to do it.

“It’s a big ask,” Dr. Moot acknowledged, adding that even if updates were only once a year, it would still be much faster than the 5- or 6-year cycle that it traditionally takes for most guidelines to be updated.

The BSR and BAD’s processes for developing guidelines are accredited by the National Institute for Health and Care Excellence in England. Dr. Moots is the chief investigator for the Secukinumab in Behçet’s trial, which is sponsored by the Liverpool University Hospitals NHS Foundation Trust via grant funding from Novartis.
 

A version of this article appeared on Medscape.com.

LIVERPOOL, ENGLAND — The British Society for Rheumatology (BSR) and the British Association of Dermatologists (BAD) have joined forces for the first time to develop the first British guidelines for the management of people living with Behçet’s disease.

The guidelines will also be the first “living guidelines” produced by either society, which means they will be regularly revised and updated when new evidence emerges that warrants inclusion.

With more than 90 recommendations being made, the new guidelines promise to be the most comprehensive and most up-to-date yet for what is regarded as a rare disease. Robert Moots, MBBS, PhD, provided a “sneak peek” of the guidelines at the annual meeting of the British Society for Rheumatology.

Dr. Moots, professor of rheumatology at the University of Liverpool and a consultant rheumatologist for Liverpool University Hospitals NHS Foundation Trust in England, noted that while the European Alliance of Associations for Rheumatology has produced a guideline for Behçet’s disease, this was last updated in 2018 and is not specific for the population for patients that is seen in the United Kingdom.

The British recommendations will cover all possible manifestations of Behçet’s disease and give practical advice on how to manage everything from the most common presentations such as skin lesions, mouth ulcers, and genital ulcers, as well as the potentially more serious eye, neurological, and vascular involvement.

Sara Freeman/Medscape Medical News

Importance of Raising Awareness

“Joint and musculoskeletal problems are actually one of the least complained of symptoms in people with Behçet’s, and they often can’t understand why a rheumatologist is seeing them,” Dr. Moot said. “But of course, people do get joint problems, they can get enthesitis and arthralgia.”

Dr. Moots has been leading one of the three National Health Service (NHS) Centres of Excellence for Behçet’s Syndrome in England for more than a decade and told this news organization that diagnosing patients could be challenging. It can take up to 10 years from the first symptoms appearing to getting a diagnosis, so part of the job of the NHS Centres of Excellence is to raise awareness among both the healthcare profession and the general public.

“It’s a condition that people learn about at medical school. Most doctors will have come across it, but because it was thought to be really rare in the UK, nobody perhaps really expects to see it,” Dr. Moot said.

“But we all have these patients,” he added. “In Liverpool, we’re commissioned to be looking after an anticipated 150 people with Behçet’s — we’ve got 700. With more awareness, there’s more diagnoses being made, and people are being looked after better.”
 

Patient Perspective

Tony Thornburn, OBE, chair of the patient advocacy group Behçet’s UK, agreed in a separate interview that raising awareness of the syndrome was key to improving its management.

“Patients have said that it is a bit like having arthritis, lupus, MS [multiple sclerosis], and Crohn’s [disease] all at once,” Mr. Thorburn said. “So what we need is a guideline to ensure that people know what they’re looking at.”

Mr. Thorburn added, “Guidelines are important for raising awareness but also providing the detailed information that clinicians and GPs [general practitioners] need to have to treat a patient when they come in with this multifaceted condition.”
 

Multifaceted Means Multidisciplinary Management

Because there can be so many different aspects to managing someone with Behçet’s disease, a multispecialty team that was convened to develop the guidelines agreed that multidisciplinary management should be an overarching theme.

“The guideline development group consisted of all the specialties that you would need for a complex multisystem disease like Behçet’s,” Dr. Moot said. He highlighted that working alongside the consultants in adult and pediatric rheumatology were specialists in dermatology, gastroenterology, neurology, ophthalmology, obstetrics and gynecology, and psychology.

“We’re actually looking at psychological interactions and their impact for the first time,” Dr. Moot said, noting that clinicians needed to “take it seriously, and ask about it.”
 

Management of Manifestations

One of the general principles of the guidelines is to assess the involvement of each organ system and target treatment accordingly.

“One of the problems is that the evidence base to tell us what to do is pretty low,” Dr. Moots acknowledged. There have been few good quality randomized trials, so “treatment tends to be eminence-based rather than evidence-based.”

The recommendation wording bears this in mind, stating whether a treatment should or should not be offered, or just considered if there is no strong evidence to back up its use.

With regard to musculoskeletal manifestations, the recommendations say that colchicine should be offered, perhaps as a first-line option, or an intraarticular steroid injection in the case of monoarthritis. An intramuscular depot steroid may also be appropriate to offer, and there was good evidence to offer azathioprine or, as an alternative in refractory cases, a tumor necrosis factor (TNF) inhibitor. Nonsteroidal anti-inflammatory drugs, methotrexate, apremilast, secukinumab, and referral to a physiotherapist could only be considered, however, based on weaker levels of evidence for their use.

To treat mucocutaneous disease, the guidelines advise offering topical steroids in the form of ointment for genital ulcers or mouthwash or ointment for oral ulcers. For skin lesions, it is recommended to offer colchicine, azathioprine, mycophenolate mofetil, or TNF inhibitor and to consider the use of apremilast, secukinumab, or dapsone.
 

Future Work and Revision

“One of the key things we would like to see developing is a national registry,” Dr. Moots said. This would include biobanking samples for future research and possible genomic and phenotyping studies.

More work needs to be done in conducting clinical trials in children and young people with Behçet’s disease, studies to find prognostic factors for neurological disease, and clinical trials of potential new drug approaches such as Janus kinase inhibitors. Importantly, an auditing process needs to be set up to see what effect, if any, the guidelines will actually have onpatient management.

“It’s taken 5 years to today” to develop the guidelines, Dr. Moot said. What form the process of updating them will take still has to be decided, he said in the interview. It is likely that the necessary literature searches will be performed every 6 months or so, but it will be a compromise between the ideal situation and having the staffing time to do it.

“It’s a big ask,” Dr. Moot acknowledged, adding that even if updates were only once a year, it would still be much faster than the 5- or 6-year cycle that it traditionally takes for most guidelines to be updated.

The BSR and BAD’s processes for developing guidelines are accredited by the National Institute for Health and Care Excellence in England. Dr. Moots is the chief investigator for the Secukinumab in Behçet’s trial, which is sponsored by the Liverpool University Hospitals NHS Foundation Trust via grant funding from Novartis.
 

A version of this article appeared on Medscape.com.

Patients with granulomatosis with polyangiitis (GPA) who scored high on a sinonasal symptom test are nearly three times as likely to relapse, according to a new study.

These patients reported higher scores months and up to 2 years before a disease flare, despite having low disease activity otherwise.

The study uses a different approach to try to predict relapse, compared with measuring biomarkers in lab tests, said Zachary Wallace, MD, a rheumatologist at Massachusetts General Hospital in Boston, Massachusetts. He was not involved with the study.

“It’s exciting because it might suggest that we could use something as simple as a survey to stratify someone’s risk of relapse,” he told this news organization.

Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a rare disease, with an estimated prevalence of 200-400 cases per million people. It is also heterogeneous, which makes it difficult to predict the risk for relapse for a given patient.

“Investigators have long searched for a reliable prognostic marker that identifies patients at high vs low risk of relapse in AAV but, except for ANCA type, no prognostic biomarker is routinely used to inform treatment decision-making,” wrote lead author Ellen Romich, MD, a rheumatology fellow at the University of Pennsylvania in Philadelphia, Pennsylvania, and colleagues.

Proteinase 3-ANCA (compared with myeloperoxidase-ANCA) has been tied to a higher risk for relapse, as well as gastrointestinal complications, sinonasal disease, and patient global assessment scores. In this new study, Dr. Romich and colleagues evaluated if patient-reported outcomes of sinonasal disease could predict AAV disease activity and relapse.

Researchers used data from a prospective, longitudinal cohort study through the University of Pennsylvania Vasculitis Center from 2016 to 2022. They included 107 patients with GPA, 40 patients with eosinophilic granulomatosis with polyangiitis (EGPA), 21 patients with microscopic polyangiitis (MPA), and 51 healthy controls.

Patients completed a median of four clinic visits during the duration of the study.

During each visit, patients filled out the 22-item SinoNasal Outcome Test (SNOT-22), a validated questionnaire that assesses rhinosinusitis. The tool asks patients to rate a list of symptoms from 0 to 5 in five categories: Rhinologic, extra-nasal, ear and face, psychologic, and sleep. The possible total score ranges from 0 to 110.

Disease activity was measured via the Birmingham Vasculitis Activity Score for Wegener’s Granulomatosis. The results were published online in Arthritis Care & Research.

Patients were, on average, 55 years old with an AAV duration of 3 years. (The mean age of healthy participants was 59.) More than half (58%) of patients were female, and 95% were White. The majority had a history of a flare (54%), and 60% of those flares had sinonasal involvement.

Even in remission, patients with AAV generally had on average higher SNOT-22 scores than healthy comparators (20 vs 5). Higher disease activity also correlated with higher SNOT-22 scores.

In patients with GPA, a high SNOT-22 score (total score of 41 or above) was associated with an increased risk for relapse within 2 years (hazard ratio, 2.7; P = .02). This association was not found for EGPA or MPA. This higher risk remained in a sensitivity analysis that included only patients with no history of sinonasal disease.

“Interestingly, among patients with GPA, SNOT-22 scores are elevated months to years prior to onset of systemic relapse but remain low in patients in sustained remission,” the authors wrote.

While other patient-reported outcomes have been validated for AAV, SNOT-22 may provide more detail on upper airway disease, commented Paul Monach, MD, PhD, an adjunct associate professor of medicine at the Boston University Chobanian & Avedisian School of Medicine and a rheumatologist at the VA Boston Healthcare System, Boston, Massachusetts.

“Upper airway GPA has not been studied as much as systemic GPA and MPA,” he told this news organization. “There are very few clinical trials, and we need better outcome measures like this.”

Dr. Romich noted that this work is still in the “early stages,” and SNOT-22 will need to be further studied and validated in other patient cohorts before its inclusion in clinical practice.

“There’s certainly more work that needs to be done to understand how the SNOT-22 questionnaire works in this patient population,” she said, including its predictive value compared with other known risk factors for relapse. “But I think it’s something that’s promising that we could use as a patient-reported outcome to try to, visit-to-visit, track their sinonasal symptoms.”

This study was supported by the National Institute of Arthritis and Musculoskeletal and Skin Diseases and an NIH Rheumatology Research Training Grant. Dr. Romich, Dr. Wallace, and Monach reported no other relevant disclosures.

A version of this article appeared on Medscape.com.

Patients with granulomatosis with polyangiitis (GPA) who scored high on a sinonasal symptom test are nearly three times as likely to relapse, according to a new study.

These patients reported higher scores months and up to 2 years before a disease flare, despite having low disease activity otherwise.

The study uses a different approach to try to predict relapse, compared with measuring biomarkers in lab tests, said Zachary Wallace, MD, a rheumatologist at Massachusetts General Hospital in Boston, Massachusetts. He was not involved with the study.

“It’s exciting because it might suggest that we could use something as simple as a survey to stratify someone’s risk of relapse,” he told this news organization.

Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a rare disease, with an estimated prevalence of 200-400 cases per million people. It is also heterogeneous, which makes it difficult to predict the risk for relapse for a given patient.

“Investigators have long searched for a reliable prognostic marker that identifies patients at high vs low risk of relapse in AAV but, except for ANCA type, no prognostic biomarker is routinely used to inform treatment decision-making,” wrote lead author Ellen Romich, MD, a rheumatology fellow at the University of Pennsylvania in Philadelphia, Pennsylvania, and colleagues.

Proteinase 3-ANCA (compared with myeloperoxidase-ANCA) has been tied to a higher risk for relapse, as well as gastrointestinal complications, sinonasal disease, and patient global assessment scores. In this new study, Dr. Romich and colleagues evaluated if patient-reported outcomes of sinonasal disease could predict AAV disease activity and relapse.

Researchers used data from a prospective, longitudinal cohort study through the University of Pennsylvania Vasculitis Center from 2016 to 2022. They included 107 patients with GPA, 40 patients with eosinophilic granulomatosis with polyangiitis (EGPA), 21 patients with microscopic polyangiitis (MPA), and 51 healthy controls.

Patients completed a median of four clinic visits during the duration of the study.

During each visit, patients filled out the 22-item SinoNasal Outcome Test (SNOT-22), a validated questionnaire that assesses rhinosinusitis. The tool asks patients to rate a list of symptoms from 0 to 5 in five categories: Rhinologic, extra-nasal, ear and face, psychologic, and sleep. The possible total score ranges from 0 to 110.

Disease activity was measured via the Birmingham Vasculitis Activity Score for Wegener’s Granulomatosis. The results were published online in Arthritis Care & Research.

Patients were, on average, 55 years old with an AAV duration of 3 years. (The mean age of healthy participants was 59.) More than half (58%) of patients were female, and 95% were White. The majority had a history of a flare (54%), and 60% of those flares had sinonasal involvement.

Even in remission, patients with AAV generally had on average higher SNOT-22 scores than healthy comparators (20 vs 5). Higher disease activity also correlated with higher SNOT-22 scores.

In patients with GPA, a high SNOT-22 score (total score of 41 or above) was associated with an increased risk for relapse within 2 years (hazard ratio, 2.7; P = .02). This association was not found for EGPA or MPA. This higher risk remained in a sensitivity analysis that included only patients with no history of sinonasal disease.

“Interestingly, among patients with GPA, SNOT-22 scores are elevated months to years prior to onset of systemic relapse but remain low in patients in sustained remission,” the authors wrote.

While other patient-reported outcomes have been validated for AAV, SNOT-22 may provide more detail on upper airway disease, commented Paul Monach, MD, PhD, an adjunct associate professor of medicine at the Boston University Chobanian & Avedisian School of Medicine and a rheumatologist at the VA Boston Healthcare System, Boston, Massachusetts.

“Upper airway GPA has not been studied as much as systemic GPA and MPA,” he told this news organization. “There are very few clinical trials, and we need better outcome measures like this.”

Dr. Romich noted that this work is still in the “early stages,” and SNOT-22 will need to be further studied and validated in other patient cohorts before its inclusion in clinical practice.

“There’s certainly more work that needs to be done to understand how the SNOT-22 questionnaire works in this patient population,” she said, including its predictive value compared with other known risk factors for relapse. “But I think it’s something that’s promising that we could use as a patient-reported outcome to try to, visit-to-visit, track their sinonasal symptoms.”

This study was supported by the National Institute of Arthritis and Musculoskeletal and Skin Diseases and an NIH Rheumatology Research Training Grant. Dr. Romich, Dr. Wallace, and Monach reported no other relevant disclosures.

A version of this article appeared on Medscape.com.

Patients with granulomatosis with polyangiitis (GPA) who scored high on a sinonasal symptom test are nearly three times as likely to relapse, according to a new study.

These patients reported higher scores months and up to 2 years before a disease flare, despite having low disease activity otherwise.

The study uses a different approach to try to predict relapse, compared with measuring biomarkers in lab tests, said Zachary Wallace, MD, a rheumatologist at Massachusetts General Hospital in Boston, Massachusetts. He was not involved with the study.

“It’s exciting because it might suggest that we could use something as simple as a survey to stratify someone’s risk of relapse,” he told this news organization.

Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a rare disease, with an estimated prevalence of 200-400 cases per million people. It is also heterogeneous, which makes it difficult to predict the risk for relapse for a given patient.

“Investigators have long searched for a reliable prognostic marker that identifies patients at high vs low risk of relapse in AAV but, except for ANCA type, no prognostic biomarker is routinely used to inform treatment decision-making,” wrote lead author Ellen Romich, MD, a rheumatology fellow at the University of Pennsylvania in Philadelphia, Pennsylvania, and colleagues.

Proteinase 3-ANCA (compared with myeloperoxidase-ANCA) has been tied to a higher risk for relapse, as well as gastrointestinal complications, sinonasal disease, and patient global assessment scores. In this new study, Dr. Romich and colleagues evaluated if patient-reported outcomes of sinonasal disease could predict AAV disease activity and relapse.

Researchers used data from a prospective, longitudinal cohort study through the University of Pennsylvania Vasculitis Center from 2016 to 2022. They included 107 patients with GPA, 40 patients with eosinophilic granulomatosis with polyangiitis (EGPA), 21 patients with microscopic polyangiitis (MPA), and 51 healthy controls.

Patients completed a median of four clinic visits during the duration of the study.

During each visit, patients filled out the 22-item SinoNasal Outcome Test (SNOT-22), a validated questionnaire that assesses rhinosinusitis. The tool asks patients to rate a list of symptoms from 0 to 5 in five categories: Rhinologic, extra-nasal, ear and face, psychologic, and sleep. The possible total score ranges from 0 to 110.

Disease activity was measured via the Birmingham Vasculitis Activity Score for Wegener’s Granulomatosis. The results were published online in Arthritis Care & Research.

Patients were, on average, 55 years old with an AAV duration of 3 years. (The mean age of healthy participants was 59.) More than half (58%) of patients were female, and 95% were White. The majority had a history of a flare (54%), and 60% of those flares had sinonasal involvement.

Even in remission, patients with AAV generally had on average higher SNOT-22 scores than healthy comparators (20 vs 5). Higher disease activity also correlated with higher SNOT-22 scores.

In patients with GPA, a high SNOT-22 score (total score of 41 or above) was associated with an increased risk for relapse within 2 years (hazard ratio, 2.7; P = .02). This association was not found for EGPA or MPA. This higher risk remained in a sensitivity analysis that included only patients with no history of sinonasal disease.

“Interestingly, among patients with GPA, SNOT-22 scores are elevated months to years prior to onset of systemic relapse but remain low in patients in sustained remission,” the authors wrote.

While other patient-reported outcomes have been validated for AAV, SNOT-22 may provide more detail on upper airway disease, commented Paul Monach, MD, PhD, an adjunct associate professor of medicine at the Boston University Chobanian & Avedisian School of Medicine and a rheumatologist at the VA Boston Healthcare System, Boston, Massachusetts.

“Upper airway GPA has not been studied as much as systemic GPA and MPA,” he told this news organization. “There are very few clinical trials, and we need better outcome measures like this.”

Dr. Romich noted that this work is still in the “early stages,” and SNOT-22 will need to be further studied and validated in other patient cohorts before its inclusion in clinical practice.

“There’s certainly more work that needs to be done to understand how the SNOT-22 questionnaire works in this patient population,” she said, including its predictive value compared with other known risk factors for relapse. “But I think it’s something that’s promising that we could use as a patient-reported outcome to try to, visit-to-visit, track their sinonasal symptoms.”

This study was supported by the National Institute of Arthritis and Musculoskeletal and Skin Diseases and an NIH Rheumatology Research Training Grant. Dr. Romich, Dr. Wallace, and Monach reported no other relevant disclosures.

A version of this article appeared on Medscape.com.

Some of the best clinical trials of patients with antineutrophil cytoplasmic antibody–associated vasculitis (AAV) that were presented at the 21st International Vasculitis Workshop in Barcelona, Spain, included studies addressing relapse after stopping steroids, preventing relapse with abatacept, improving kidney function with plasma exchange, and vaccinating rituximab-treated patients.
 

Stopping Steroids After Remission in GPA

In the randomized, open-label TAPIR (The Assessment of Prednisone In Remission Trial) study of 159 adults with GPA in remission who had tapered to a prednisone dose of 5 mg/day, those who remained at that dosage had a significantly lower rate of relapse after 6 months than those who tapered to 0 mg/day (4.2% vs 15.5%; P = .227), according to results reported at the meeting.

However, use of a higher dose of prednisone for disease relapse by 6 months was similar for patients who used rituximab at baseline (8.8% with 0 mg/day vs 6.1% with 5 mg/day; P = .667), and the difference in this primary outcome was more pronounced among patients who did not take rituximab at baseline (20.0% with 0 mg/day vs 2.6% with 5 mg/day; P = .023).

A higher percentage of patients taking prednisone 0 mg/day had disease relapses that were considered minor (14.1% and 4.2%; P = .0391). Major relapses occurred in none of the patients taking 5 mg/day and in 1.4% receiving 0 mg/day. About 90% of patients in either treatment arm completed the trial.

The study, funded by the National Institute of Arthritis and Musculoskelatal and Skin Diseases and the National Heart Lung and Blood Institute, was unique in that half of patients randomized in the study were enrolled at community clinics and half were enrolled at Vasculitis Clinical Research Consortium clinical centers.
 

Abatacept Falls Short for Preventing Relapse in GPA

Adding abatacept to glucocorticoids failed to reduce risk of relapse, worsening disease, or failure to reach remission in adults with relapsing, nonsevere GPA, based on data from a randomized trial of 65 individuals.

In the 20-site, randomized, double-blind ABROGATE (Abatacept for the Treatment of Relapsing, Non-Severe, Granulomatosis With Polyangiitis) study, 34 patients received 125 mg subcutaneous abatacept once a week or a placebo in addition to 30 mg/day of prednisone that was tapered and discontinued after 12 weeks. Patients who were receiving methotrexate, azathioprine, mycophenolate, or leflunomide at baseline continued the medication at a stable dose.

The primary outcome of disease worsening or relapse occurred in 62% of the abatacept group and 68% of the placebo group, and no significant difference in treatment failure rate appeared between the groups. In addition, key secondary endpoints of time to full remission, duration of glucocorticoid-free remission, relapse severity, prevention of damage, and patient-reported quality of life outcomes were not significantly different between the groups.

A total of 112 adverse events occurred, with similar type and severity between the groups, including incidence of infections.

The findings were limited by the relatively small sample size, but the results suggest a need for further research to determine mechanisms of disease and explore additional novel treatments for this rare patient population, the researchers wrote in their abstract.

The study was funded by the National Institutes of Health and Bristol-Myers Squibb.
 

Plasma Exchange Improves Kidney Function in AAV

Use of therapeutic plasma exchange (PLEX) as an adjunct treatment improved early kidney function in adults with AAV and glomerulonephritis but did not extend beyond 8 weeks, and recovery of kidney function was no different between patients receiving a regular glucocorticoid regimen versus a reduced course, based on a post-hoc analysis of 691 individuals in the international randomized controlled trial called PEXIVAS.

The primary outcomes of change in kidney function based on estimated glomerular filtration rate (eGFR) from baseline over 1 year and the percentage of patients with improvement in eGFR of at least 15 mL/min/1.73 m² at weeks 12, 26, and 52.

The rate of improved eGFR was significantly greater in the PLEX group, compared with controls, at 2, 4, and 8 weeks. At 4 weeks, significantly more patients in the PLEX group had an increase in eGFR by at least 15 mL/min/1.73 m², compared with the control group (relative risk [RR], 1.41; P = .008). In addition, improved kidney function within 4 weeks was significantly associated with lower risk of kidney failure within 1 year, regardless of treatment group.

The original PEXIVAS trial was supported by various government institutes and agencies from multiple countries.
 

Reinforced Vaccine Strategy with Rituximab Improved Antibody Response in AAV

A vaccine strategy consisting of a double dose of 13-valent antipneumococcal conjugate vaccine (PCV13) at day 0 and day 7 followed by a single dose of 23-valent unconjugated pneumococcal polysaccharide vaccine (PPV23) at 5 months significantly improved antibody responses against Streptococcus pneumoniae in patients with AAV, compared with standard treatment, based on data from 95 individuals in the multicenter, open-label study called PNEUMOVAS.

Adults with newly diagnosed AAV were randomly assigned to one of three treatment arms: a standard regimen of one dose of PCV13 at day 0 and one dose of PPV23 at month 5 (arm 1); a double dose of PCV13 at day 0 and day 7 with a dose of PPV23 at month 5 (arm 2); or four doses of PCV13 at day 0 and one dose of PPV23 at month 5 (arm 3). These patients received PCV13 within 2 days before or after their first infusion of rituximab.

The primary endpoint was positive antibody response against 12 pneumococcal subtypes common to the PCV13 and PCV23 vaccines at 6 months. At 6 months, the immune response to 0-3, 4-6, 7-9, or 10-12 serotypes was 83.3%, 13.3%, 3.3%, and 0%, respectively, in arm 1; 56.3%, 28.1%, 15.6%, and 0% in arm 2; and 60.6%, 33.3%, 6.1%, and 0% in arm 3.

No severe adverse events related to vaccination were observed in any of the groups; a total of eight AAV flares occurred in six patients (one in arm 1, two in arm 2, and three in arm 3). Local and systemic reactions occurred more frequently with the reinforced dose regimens, but these were mostly grade 1 or 2 local reactions.

The study was supported by the French Ministry of Health.

Some of the best clinical trials of patients with antineutrophil cytoplasmic antibody–associated vasculitis (AAV) that were presented at the 21st International Vasculitis Workshop in Barcelona, Spain, included studies addressing relapse after stopping steroids, preventing relapse with abatacept, improving kidney function with plasma exchange, and vaccinating rituximab-treated patients.
 

Stopping Steroids After Remission in GPA

In the randomized, open-label TAPIR (The Assessment of Prednisone In Remission Trial) study of 159 adults with GPA in remission who had tapered to a prednisone dose of 5 mg/day, those who remained at that dosage had a significantly lower rate of relapse after 6 months than those who tapered to 0 mg/day (4.2% vs 15.5%; P = .227), according to results reported at the meeting.

However, use of a higher dose of prednisone for disease relapse by 6 months was similar for patients who used rituximab at baseline (8.8% with 0 mg/day vs 6.1% with 5 mg/day; P = .667), and the difference in this primary outcome was more pronounced among patients who did not take rituximab at baseline (20.0% with 0 mg/day vs 2.6% with 5 mg/day; P = .023).

A higher percentage of patients taking prednisone 0 mg/day had disease relapses that were considered minor (14.1% and 4.2%; P = .0391). Major relapses occurred in none of the patients taking 5 mg/day and in 1.4% receiving 0 mg/day. About 90% of patients in either treatment arm completed the trial.

The study, funded by the National Institute of Arthritis and Musculoskelatal and Skin Diseases and the National Heart Lung and Blood Institute, was unique in that half of patients randomized in the study were enrolled at community clinics and half were enrolled at Vasculitis Clinical Research Consortium clinical centers.
 

Abatacept Falls Short for Preventing Relapse in GPA

Adding abatacept to glucocorticoids failed to reduce risk of relapse, worsening disease, or failure to reach remission in adults with relapsing, nonsevere GPA, based on data from a randomized trial of 65 individuals.

In the 20-site, randomized, double-blind ABROGATE (Abatacept for the Treatment of Relapsing, Non-Severe, Granulomatosis With Polyangiitis) study, 34 patients received 125 mg subcutaneous abatacept once a week or a placebo in addition to 30 mg/day of prednisone that was tapered and discontinued after 12 weeks. Patients who were receiving methotrexate, azathioprine, mycophenolate, or leflunomide at baseline continued the medication at a stable dose.

The primary outcome of disease worsening or relapse occurred in 62% of the abatacept group and 68% of the placebo group, and no significant difference in treatment failure rate appeared between the groups. In addition, key secondary endpoints of time to full remission, duration of glucocorticoid-free remission, relapse severity, prevention of damage, and patient-reported quality of life outcomes were not significantly different between the groups.

A total of 112 adverse events occurred, with similar type and severity between the groups, including incidence of infections.

The findings were limited by the relatively small sample size, but the results suggest a need for further research to determine mechanisms of disease and explore additional novel treatments for this rare patient population, the researchers wrote in their abstract.

The study was funded by the National Institutes of Health and Bristol-Myers Squibb.
 

Plasma Exchange Improves Kidney Function in AAV

Use of therapeutic plasma exchange (PLEX) as an adjunct treatment improved early kidney function in adults with AAV and glomerulonephritis but did not extend beyond 8 weeks, and recovery of kidney function was no different between patients receiving a regular glucocorticoid regimen versus a reduced course, based on a post-hoc analysis of 691 individuals in the international randomized controlled trial called PEXIVAS.

The primary outcomes of change in kidney function based on estimated glomerular filtration rate (eGFR) from baseline over 1 year and the percentage of patients with improvement in eGFR of at least 15 mL/min/1.73 m² at weeks 12, 26, and 52.

The rate of improved eGFR was significantly greater in the PLEX group, compared with controls, at 2, 4, and 8 weeks. At 4 weeks, significantly more patients in the PLEX group had an increase in eGFR by at least 15 mL/min/1.73 m², compared with the control group (relative risk [RR], 1.41; P = .008). In addition, improved kidney function within 4 weeks was significantly associated with lower risk of kidney failure within 1 year, regardless of treatment group.

The original PEXIVAS trial was supported by various government institutes and agencies from multiple countries.
 

Reinforced Vaccine Strategy with Rituximab Improved Antibody Response in AAV

A vaccine strategy consisting of a double dose of 13-valent antipneumococcal conjugate vaccine (PCV13) at day 0 and day 7 followed by a single dose of 23-valent unconjugated pneumococcal polysaccharide vaccine (PPV23) at 5 months significantly improved antibody responses against Streptococcus pneumoniae in patients with AAV, compared with standard treatment, based on data from 95 individuals in the multicenter, open-label study called PNEUMOVAS.

Adults with newly diagnosed AAV were randomly assigned to one of three treatment arms: a standard regimen of one dose of PCV13 at day 0 and one dose of PPV23 at month 5 (arm 1); a double dose of PCV13 at day 0 and day 7 with a dose of PPV23 at month 5 (arm 2); or four doses of PCV13 at day 0 and one dose of PPV23 at month 5 (arm 3). These patients received PCV13 within 2 days before or after their first infusion of rituximab.

The primary endpoint was positive antibody response against 12 pneumococcal subtypes common to the PCV13 and PCV23 vaccines at 6 months. At 6 months, the immune response to 0-3, 4-6, 7-9, or 10-12 serotypes was 83.3%, 13.3%, 3.3%, and 0%, respectively, in arm 1; 56.3%, 28.1%, 15.6%, and 0% in arm 2; and 60.6%, 33.3%, 6.1%, and 0% in arm 3.

No severe adverse events related to vaccination were observed in any of the groups; a total of eight AAV flares occurred in six patients (one in arm 1, two in arm 2, and three in arm 3). Local and systemic reactions occurred more frequently with the reinforced dose regimens, but these were mostly grade 1 or 2 local reactions.

The study was supported by the French Ministry of Health.

Some of the best clinical trials of patients with antineutrophil cytoplasmic antibody–associated vasculitis (AAV) that were presented at the 21st International Vasculitis Workshop in Barcelona, Spain, included studies addressing relapse after stopping steroids, preventing relapse with abatacept, improving kidney function with plasma exchange, and vaccinating rituximab-treated patients.
 

Stopping Steroids After Remission in GPA

In the randomized, open-label TAPIR (The Assessment of Prednisone In Remission Trial) study of 159 adults with GPA in remission who had tapered to a prednisone dose of 5 mg/day, those who remained at that dosage had a significantly lower rate of relapse after 6 months than those who tapered to 0 mg/day (4.2% vs 15.5%; P = .227), according to results reported at the meeting.

However, use of a higher dose of prednisone for disease relapse by 6 months was similar for patients who used rituximab at baseline (8.8% with 0 mg/day vs 6.1% with 5 mg/day; P = .667), and the difference in this primary outcome was more pronounced among patients who did not take rituximab at baseline (20.0% with 0 mg/day vs 2.6% with 5 mg/day; P = .023).

A higher percentage of patients taking prednisone 0 mg/day had disease relapses that were considered minor (14.1% and 4.2%; P = .0391). Major relapses occurred in none of the patients taking 5 mg/day and in 1.4% receiving 0 mg/day. About 90% of patients in either treatment arm completed the trial.

The study, funded by the National Institute of Arthritis and Musculoskelatal and Skin Diseases and the National Heart Lung and Blood Institute, was unique in that half of patients randomized in the study were enrolled at community clinics and half were enrolled at Vasculitis Clinical Research Consortium clinical centers.
 

Abatacept Falls Short for Preventing Relapse in GPA

Adding abatacept to glucocorticoids failed to reduce risk of relapse, worsening disease, or failure to reach remission in adults with relapsing, nonsevere GPA, based on data from a randomized trial of 65 individuals.

In the 20-site, randomized, double-blind ABROGATE (Abatacept for the Treatment of Relapsing, Non-Severe, Granulomatosis With Polyangiitis) study, 34 patients received 125 mg subcutaneous abatacept once a week or a placebo in addition to 30 mg/day of prednisone that was tapered and discontinued after 12 weeks. Patients who were receiving methotrexate, azathioprine, mycophenolate, or leflunomide at baseline continued the medication at a stable dose.

The primary outcome of disease worsening or relapse occurred in 62% of the abatacept group and 68% of the placebo group, and no significant difference in treatment failure rate appeared between the groups. In addition, key secondary endpoints of time to full remission, duration of glucocorticoid-free remission, relapse severity, prevention of damage, and patient-reported quality of life outcomes were not significantly different between the groups.

A total of 112 adverse events occurred, with similar type and severity between the groups, including incidence of infections.

The findings were limited by the relatively small sample size, but the results suggest a need for further research to determine mechanisms of disease and explore additional novel treatments for this rare patient population, the researchers wrote in their abstract.

The study was funded by the National Institutes of Health and Bristol-Myers Squibb.
 

Plasma Exchange Improves Kidney Function in AAV

Use of therapeutic plasma exchange (PLEX) as an adjunct treatment improved early kidney function in adults with AAV and glomerulonephritis but did not extend beyond 8 weeks, and recovery of kidney function was no different between patients receiving a regular glucocorticoid regimen versus a reduced course, based on a post-hoc analysis of 691 individuals in the international randomized controlled trial called PEXIVAS.

The primary outcomes of change in kidney function based on estimated glomerular filtration rate (eGFR) from baseline over 1 year and the percentage of patients with improvement in eGFR of at least 15 mL/min/1.73 m² at weeks 12, 26, and 52.

The rate of improved eGFR was significantly greater in the PLEX group, compared with controls, at 2, 4, and 8 weeks. At 4 weeks, significantly more patients in the PLEX group had an increase in eGFR by at least 15 mL/min/1.73 m², compared with the control group (relative risk [RR], 1.41; P = .008). In addition, improved kidney function within 4 weeks was significantly associated with lower risk of kidney failure within 1 year, regardless of treatment group.

The original PEXIVAS trial was supported by various government institutes and agencies from multiple countries.
 

Reinforced Vaccine Strategy with Rituximab Improved Antibody Response in AAV

A vaccine strategy consisting of a double dose of 13-valent antipneumococcal conjugate vaccine (PCV13) at day 0 and day 7 followed by a single dose of 23-valent unconjugated pneumococcal polysaccharide vaccine (PPV23) at 5 months significantly improved antibody responses against Streptococcus pneumoniae in patients with AAV, compared with standard treatment, based on data from 95 individuals in the multicenter, open-label study called PNEUMOVAS.

Adults with newly diagnosed AAV were randomly assigned to one of three treatment arms: a standard regimen of one dose of PCV13 at day 0 and one dose of PPV23 at month 5 (arm 1); a double dose of PCV13 at day 0 and day 7 with a dose of PPV23 at month 5 (arm 2); or four doses of PCV13 at day 0 and one dose of PPV23 at month 5 (arm 3). These patients received PCV13 within 2 days before or after their first infusion of rituximab.

The primary endpoint was positive antibody response against 12 pneumococcal subtypes common to the PCV13 and PCV23 vaccines at 6 months. At 6 months, the immune response to 0-3, 4-6, 7-9, or 10-12 serotypes was 83.3%, 13.3%, 3.3%, and 0%, respectively, in arm 1; 56.3%, 28.1%, 15.6%, and 0% in arm 2; and 60.6%, 33.3%, 6.1%, and 0% in arm 3.

No severe adverse events related to vaccination were observed in any of the groups; a total of eight AAV flares occurred in six patients (one in arm 1, two in arm 2, and three in arm 3). Local and systemic reactions occurred more frequently with the reinforced dose regimens, but these were mostly grade 1 or 2 local reactions.

The study was supported by the French Ministry of Health.

TOPLINE:

Age older than 65 years and serum creatinine greater than 140 micromol/L at the time of systemic polyarteritis nodosa (PAN) diagnosis were significant predictors of mortality.

METHODOLOGY:

• A total of 358 patients diagnosed with PAN between 1990 and 2020 were identified from retrospective chart reviews and prospective cohorts from nine countries as a part of GLOBAL-PAN, a collaboration of the European Vasculitis Society, the Vasculitis Clinical Research Consortium, and other networks.
• The goal of the retrospective chart review was to characterize the nature, presentation, and survival rates of patients with PAN.
• The study population included 174 female and 184 male patients; 282 had systemic PAN (sPAN) and 76 had cutaneous PAN (cPAN); the mean age at diagnosis was 44.3 years.

TAKEAWAY:

• Overall survival rates at 1, 5, and 10 years for patients with sPAN were 97.1%, 94.0%, and 89.0%, respectively.
• Significant independent predictors of mortality were age ≥ 65 years at the time of sPAN diagnosis (hazard ratio [HR], 3.85), serum creatinine > 140 micromol/L at the time of diagnosis (HR, 4.93), gastrointestinal involvement (HR, 3.51), and central nervous system involvement (HR, 3.56).
• Constitutional symptoms were significantly more common in patients with sPAN vs cPAN (78.8% vs 44.7%), while patients with cPAN were significantly more likely to be female and have more skin nodules than patients with sPAN.
• Relapse over a median disease duration of 59.6 months was slightly higher for cPAN vs sPAN (38.8% vs 32.1%).

IN PRACTICE:

“This study helps better define the demographic and clinical characteristics of patients with PAN and differentiates sPAN from cPAN,” the researchers wrote.

SOURCE:

The lead author of the study was Omer Karadag, MD, of Hacettepe University, Ankara, Turkey. The study was published online on February 12 in Arthritis & Rheumatology.

LIMITATIONS:

Study limitations included the combination of prospective and retrospective data, varying approaches to patient assessment, and lack of data on treatment effects.

DISCLOSURES:

The study was supported by the Vasculitis Clinical Research Consortium, which received funding from the National Center for Advancing Translational Science, the National Institute of Arthritis and Musculoskeletal and Skin Diseases, and the National Center for Research Resources. Dr. Karadag disclosed research grants from AbbVie, Novartis, Viela-Bio, and TR-Pharma, and consulting fees from AbbVie, Abdi Ibrahim, Celltrion, Novartis, Pfizer, Sandoz, and UCB.

A version of this article appeared on Medscape.com.

TOPLINE:

Age older than 65 years and serum creatinine greater than 140 micromol/L at the time of systemic polyarteritis nodosa (PAN) diagnosis were significant predictors of mortality.

METHODOLOGY:

• A total of 358 patients diagnosed with PAN between 1990 and 2020 were identified from retrospective chart reviews and prospective cohorts from nine countries as a part of GLOBAL-PAN, a collaboration of the European Vasculitis Society, the Vasculitis Clinical Research Consortium, and other networks.
• The goal of the retrospective chart review was to characterize the nature, presentation, and survival rates of patients with PAN.
• The study population included 174 female and 184 male patients; 282 had systemic PAN (sPAN) and 76 had cutaneous PAN (cPAN); the mean age at diagnosis was 44.3 years.

TAKEAWAY:

• Overall survival rates at 1, 5, and 10 years for patients with sPAN were 97.1%, 94.0%, and 89.0%, respectively.
• Significant independent predictors of mortality were age ≥ 65 years at the time of sPAN diagnosis (hazard ratio [HR], 3.85), serum creatinine > 140 micromol/L at the time of diagnosis (HR, 4.93), gastrointestinal involvement (HR, 3.51), and central nervous system involvement (HR, 3.56).
• Constitutional symptoms were significantly more common in patients with sPAN vs cPAN (78.8% vs 44.7%), while patients with cPAN were significantly more likely to be female and have more skin nodules than patients with sPAN.
• Relapse over a median disease duration of 59.6 months was slightly higher for cPAN vs sPAN (38.8% vs 32.1%).

IN PRACTICE:

“This study helps better define the demographic and clinical characteristics of patients with PAN and differentiates sPAN from cPAN,” the researchers wrote.

SOURCE:

The lead author of the study was Omer Karadag, MD, of Hacettepe University, Ankara, Turkey. The study was published online on February 12 in Arthritis & Rheumatology.

LIMITATIONS:

Study limitations included the combination of prospective and retrospective data, varying approaches to patient assessment, and lack of data on treatment effects.

DISCLOSURES:

The study was supported by the Vasculitis Clinical Research Consortium, which received funding from the National Center for Advancing Translational Science, the National Institute of Arthritis and Musculoskeletal and Skin Diseases, and the National Center for Research Resources. Dr. Karadag disclosed research grants from AbbVie, Novartis, Viela-Bio, and TR-Pharma, and consulting fees from AbbVie, Abdi Ibrahim, Celltrion, Novartis, Pfizer, Sandoz, and UCB.

A version of this article appeared on Medscape.com.

TOPLINE:

Age older than 65 years and serum creatinine greater than 140 micromol/L at the time of systemic polyarteritis nodosa (PAN) diagnosis were significant predictors of mortality.

METHODOLOGY:

• A total of 358 patients diagnosed with PAN between 1990 and 2020 were identified from retrospective chart reviews and prospective cohorts from nine countries as a part of GLOBAL-PAN, a collaboration of the European Vasculitis Society, the Vasculitis Clinical Research Consortium, and other networks.
• The goal of the retrospective chart review was to characterize the nature, presentation, and survival rates of patients with PAN.
• The study population included 174 female and 184 male patients; 282 had systemic PAN (sPAN) and 76 had cutaneous PAN (cPAN); the mean age at diagnosis was 44.3 years.

TAKEAWAY:

• Overall survival rates at 1, 5, and 10 years for patients with sPAN were 97.1%, 94.0%, and 89.0%, respectively.
• Significant independent predictors of mortality were age ≥ 65 years at the time of sPAN diagnosis (hazard ratio [HR], 3.85), serum creatinine > 140 micromol/L at the time of diagnosis (HR, 4.93), gastrointestinal involvement (HR, 3.51), and central nervous system involvement (HR, 3.56).
• Constitutional symptoms were significantly more common in patients with sPAN vs cPAN (78.8% vs 44.7%), while patients with cPAN were significantly more likely to be female and have more skin nodules than patients with sPAN.
• Relapse over a median disease duration of 59.6 months was slightly higher for cPAN vs sPAN (38.8% vs 32.1%).

IN PRACTICE:

“This study helps better define the demographic and clinical characteristics of patients with PAN and differentiates sPAN from cPAN,” the researchers wrote.

SOURCE:

The lead author of the study was Omer Karadag, MD, of Hacettepe University, Ankara, Turkey. The study was published online on February 12 in Arthritis & Rheumatology.

LIMITATIONS:

Study limitations included the combination of prospective and retrospective data, varying approaches to patient assessment, and lack of data on treatment effects.

DISCLOSURES:

The study was supported by the Vasculitis Clinical Research Consortium, which received funding from the National Center for Advancing Translational Science, the National Institute of Arthritis and Musculoskeletal and Skin Diseases, and the National Center for Research Resources. Dr. Karadag disclosed research grants from AbbVie, Novartis, Viela-Bio, and TR-Pharma, and consulting fees from AbbVie, Abdi Ibrahim, Celltrion, Novartis, Pfizer, Sandoz, and UCB.

A version of this article appeared on Medscape.com.

Comorbidities may play a large role in driving poor pregnancy outcomes in pregnant people with certain immune-mediated inflammatory diseases (IMIDs).

In a new study of 12 individual IMIDs, people with rheumatoid arthritis (RA) or inflammatory bowel disease (IBD) did not have signficantly increased risk for preterm birth (PTB) or low birth weight (LBW), compared with people who did not have an IMID, after adjusting for additional chronic conditions and other confounding factors.

The study was published online on February 1 in eClinicalMedicine.

While many studies have explored the relationships between pregnancy outcomes and IMIDs, “the impact of comorbidities on the relation between IMIDs and pregnancy course is insufficiently examined,” the authors wrote. These previous studies also tended to have a small sample size.
 

Pregnancy Outcome Risks Varied Between IMIDs

To remedy this, researchers used electronic health record data from Providence St Joseph Health — a multistate integrated healthcare system — to identify more than 365,000 pregnant people with live births between January 1, 2013, and December 31, 2022. The cohort included more than 5700 people with at least one of 12 IMIDs: Psoriasis, IBD, RA, spondyloarthritis (SpA), multiple sclerosis, systemic lupus erythematosus (SLE), psoriatic arthritis (PsA), antiphospholipid syndrome (APS), Sjögren syndrome (SjS), vasculitis, sarcoidosis, and systemic sclerosis. The study included only live births with a gestational age of 20 weeks or greater.

Researchers compared maternal-fetal health outcomes between the two groups, controlling for comorbidities including diabetes, cardiovascular disease, chronic kidney disease, obesity, and depression. They also accounted for confounding variables including race, age, smoking status, and socioeconomic status.

In total, 83% of people in the IMID group had no immunomodulatory medication prescriptions during their pregnancy. Of the 17% taking medication, 48%-70% continued taking their medication until delivery. Most patients were White, comprising 62.9% of the non-IMID group and 73.1% of the IMID group.

After adjusting for comorbidities, patients with any of the 12 IMIDs had a 10%-20% higher risk for PTB, LBW, small for gestation age (SGA), and cesarean section than did comparators.

But these risks varied between IMIDs. Patients with RA and IBD did not have an increased risk for PTB or LBW. However, when researchers did not control for comorbidities, pregnancy risks were higher and showed statistical significance in these two groups.

“This suggests that for RA and IBD, comorbidities may be a more important factor for adverse outcomes than the underlying autoimmune disease,” senior author Jennifer Hadlock, MD, an associate professor and director of medical data science at the Institute for Systems Biology in Seattle, Washington, said in a video accompanying a press release.

Overall, the analysis found that women with IMIDs were approximately two to three times more likely to have chronic comorbidities than the control group.

Like previous studies, there was a strong association between SLE and APS and poor pregnancy outcomes, even after controlling for confounding factors. Patients with SpA had a 50% increased risk for PTB, while those with SLE and APS had more than a twofold higher risk. Patients with SLE were 90% more likely than comparators to deliver babies with an SGA condition, while RA patients had a 30% higher risk. SLE was the only condition with an increased risk for LBW (relative risk, 3.5). IBD, RA, PsA, SpA, SLE, APS, and SjS were all associated with a higher likelihood of delivery via cesarean section.

“The findings of this study reveal that the associations between IMIDs and adverse pregnancy outcomes are influenced by the specific type of IMIDs and the presence of comorbidities,” the authors wrote.
 

A Large Study, But How Representative Is It?

Asked to comment on the study, Catherine Sims, MD, a rheumatologist at Duke University Medical Center in Durham, North Carolina, noted that the analysis was much larger than many reproductive rheumatology studies, and “their statistics were phenomenal.”

She agreed that “not all autoimmune diseases are created equal when it comes to pregnancy-associated risks.” However, she added that this study’s patient population may not be totally representative of pregnant people with IMIDs or autoimmune diseases.

“We’re making generalizations about autoimmune diseases based on this demographic of White women who are not taking immunosuppression,” she said.

“We know that race and ethnicity play a huge role in pregnancy outcomes, and Black women have higher maternal and fetal morbidity and mortality, which is likely related to systemic racism and biases in the medical system,” she added. “While the study did control for sociodemographic factors, the population studied is not diverse.”

Only 17% of people with IMID in the cohort were on immunosuppressive medication, which could suggest low disease activity in the study population, Dr. Sims said. If the population generally had well-controlled disease, that could have positioned them for better pregnancy outcomes.

The authors noted that their analysis did not have information on IMID disease activity or severity — one of the limitations of the study.

However, the authors argued that the observed low prescription rate during the study may have increased poor pregnancy outcomes.

“Although this reflects real-world care in the population studied, results from this study may show higher risk than might be achieved with recommended care guidelines,” they wrote.

Ultimately, the authors argued that these findings show how co-occurring health conditions can affect pregnancy outcomes in autoimmune diseases, particularly for RA and IBD.

“There is a need to take comorbidities into consideration for guidelines for patients with inflammatory bowel disease and rheumatoid arthritis and when designing future research to investigate maternal health in patients with IMIDs,” they wrote.

The study was funded by the National Institutes of Health. Dr. Sims declared no relevant financial relationships. Dr. Hadlock has received research funding (paid to the institute) from Pfizer, Novartis, Janssen, Bristol-Myers Squibb, and Gilead.

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

Comorbidities may play a large role in driving poor pregnancy outcomes in pregnant people with certain immune-mediated inflammatory diseases (IMIDs).

In a new study of 12 individual IMIDs, people with rheumatoid arthritis (RA) or inflammatory bowel disease (IBD) did not have signficantly increased risk for preterm birth (PTB) or low birth weight (LBW), compared with people who did not have an IMID, after adjusting for additional chronic conditions and other confounding factors.

The study was published online on February 1 in eClinicalMedicine.

While many studies have explored the relationships between pregnancy outcomes and IMIDs, “the impact of comorbidities on the relation between IMIDs and pregnancy course is insufficiently examined,” the authors wrote. These previous studies also tended to have a small sample size.
 

Pregnancy Outcome Risks Varied Between IMIDs

To remedy this, researchers used electronic health record data from Providence St Joseph Health — a multistate integrated healthcare system — to identify more than 365,000 pregnant people with live births between January 1, 2013, and December 31, 2022. The cohort included more than 5700 people with at least one of 12 IMIDs: Psoriasis, IBD, RA, spondyloarthritis (SpA), multiple sclerosis, systemic lupus erythematosus (SLE), psoriatic arthritis (PsA), antiphospholipid syndrome (APS), Sjögren syndrome (SjS), vasculitis, sarcoidosis, and systemic sclerosis. The study included only live births with a gestational age of 20 weeks or greater.

Researchers compared maternal-fetal health outcomes between the two groups, controlling for comorbidities including diabetes, cardiovascular disease, chronic kidney disease, obesity, and depression. They also accounted for confounding variables including race, age, smoking status, and socioeconomic status.

In total, 83% of people in the IMID group had no immunomodulatory medication prescriptions during their pregnancy. Of the 17% taking medication, 48%-70% continued taking their medication until delivery. Most patients were White, comprising 62.9% of the non-IMID group and 73.1% of the IMID group.

After adjusting for comorbidities, patients with any of the 12 IMIDs had a 10%-20% higher risk for PTB, LBW, small for gestation age (SGA), and cesarean section than did comparators.

But these risks varied between IMIDs. Patients with RA and IBD did not have an increased risk for PTB or LBW. However, when researchers did not control for comorbidities, pregnancy risks were higher and showed statistical significance in these two groups.

“This suggests that for RA and IBD, comorbidities may be a more important factor for adverse outcomes than the underlying autoimmune disease,” senior author Jennifer Hadlock, MD, an associate professor and director of medical data science at the Institute for Systems Biology in Seattle, Washington, said in a video accompanying a press release.

Overall, the analysis found that women with IMIDs were approximately two to three times more likely to have chronic comorbidities than the control group.

Like previous studies, there was a strong association between SLE and APS and poor pregnancy outcomes, even after controlling for confounding factors. Patients with SpA had a 50% increased risk for PTB, while those with SLE and APS had more than a twofold higher risk. Patients with SLE were 90% more likely than comparators to deliver babies with an SGA condition, while RA patients had a 30% higher risk. SLE was the only condition with an increased risk for LBW (relative risk, 3.5). IBD, RA, PsA, SpA, SLE, APS, and SjS were all associated with a higher likelihood of delivery via cesarean section.

“The findings of this study reveal that the associations between IMIDs and adverse pregnancy outcomes are influenced by the specific type of IMIDs and the presence of comorbidities,” the authors wrote.
 

A Large Study, But How Representative Is It?

Asked to comment on the study, Catherine Sims, MD, a rheumatologist at Duke University Medical Center in Durham, North Carolina, noted that the analysis was much larger than many reproductive rheumatology studies, and “their statistics were phenomenal.”

She agreed that “not all autoimmune diseases are created equal when it comes to pregnancy-associated risks.” However, she added that this study’s patient population may not be totally representative of pregnant people with IMIDs or autoimmune diseases.

“We’re making generalizations about autoimmune diseases based on this demographic of White women who are not taking immunosuppression,” she said.

“We know that race and ethnicity play a huge role in pregnancy outcomes, and Black women have higher maternal and fetal morbidity and mortality, which is likely related to systemic racism and biases in the medical system,” she added. “While the study did control for sociodemographic factors, the population studied is not diverse.”

Only 17% of people with IMID in the cohort were on immunosuppressive medication, which could suggest low disease activity in the study population, Dr. Sims said. If the population generally had well-controlled disease, that could have positioned them for better pregnancy outcomes.

The authors noted that their analysis did not have information on IMID disease activity or severity — one of the limitations of the study.

However, the authors argued that the observed low prescription rate during the study may have increased poor pregnancy outcomes.

“Although this reflects real-world care in the population studied, results from this study may show higher risk than might be achieved with recommended care guidelines,” they wrote.

Ultimately, the authors argued that these findings show how co-occurring health conditions can affect pregnancy outcomes in autoimmune diseases, particularly for RA and IBD.

“There is a need to take comorbidities into consideration for guidelines for patients with inflammatory bowel disease and rheumatoid arthritis and when designing future research to investigate maternal health in patients with IMIDs,” they wrote.

The study was funded by the National Institutes of Health. Dr. Sims declared no relevant financial relationships. Dr. Hadlock has received research funding (paid to the institute) from Pfizer, Novartis, Janssen, Bristol-Myers Squibb, and Gilead.

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

Comorbidities may play a large role in driving poor pregnancy outcomes in pregnant people with certain immune-mediated inflammatory diseases (IMIDs).

In a new study of 12 individual IMIDs, people with rheumatoid arthritis (RA) or inflammatory bowel disease (IBD) did not have signficantly increased risk for preterm birth (PTB) or low birth weight (LBW), compared with people who did not have an IMID, after adjusting for additional chronic conditions and other confounding factors.

The study was published online on February 1 in eClinicalMedicine.

While many studies have explored the relationships between pregnancy outcomes and IMIDs, “the impact of comorbidities on the relation between IMIDs and pregnancy course is insufficiently examined,” the authors wrote. These previous studies also tended to have a small sample size.
 

Pregnancy Outcome Risks Varied Between IMIDs

To remedy this, researchers used electronic health record data from Providence St Joseph Health — a multistate integrated healthcare system — to identify more than 365,000 pregnant people with live births between January 1, 2013, and December 31, 2022. The cohort included more than 5700 people with at least one of 12 IMIDs: Psoriasis, IBD, RA, spondyloarthritis (SpA), multiple sclerosis, systemic lupus erythematosus (SLE), psoriatic arthritis (PsA), antiphospholipid syndrome (APS), Sjögren syndrome (SjS), vasculitis, sarcoidosis, and systemic sclerosis. The study included only live births with a gestational age of 20 weeks or greater.

Researchers compared maternal-fetal health outcomes between the two groups, controlling for comorbidities including diabetes, cardiovascular disease, chronic kidney disease, obesity, and depression. They also accounted for confounding variables including race, age, smoking status, and socioeconomic status.

In total, 83% of people in the IMID group had no immunomodulatory medication prescriptions during their pregnancy. Of the 17% taking medication, 48%-70% continued taking their medication until delivery. Most patients were White, comprising 62.9% of the non-IMID group and 73.1% of the IMID group.

After adjusting for comorbidities, patients with any of the 12 IMIDs had a 10%-20% higher risk for PTB, LBW, small for gestation age (SGA), and cesarean section than did comparators.

But these risks varied between IMIDs. Patients with RA and IBD did not have an increased risk for PTB or LBW. However, when researchers did not control for comorbidities, pregnancy risks were higher and showed statistical significance in these two groups.

“This suggests that for RA and IBD, comorbidities may be a more important factor for adverse outcomes than the underlying autoimmune disease,” senior author Jennifer Hadlock, MD, an associate professor and director of medical data science at the Institute for Systems Biology in Seattle, Washington, said in a video accompanying a press release.

Overall, the analysis found that women with IMIDs were approximately two to three times more likely to have chronic comorbidities than the control group.

Like previous studies, there was a strong association between SLE and APS and poor pregnancy outcomes, even after controlling for confounding factors. Patients with SpA had a 50% increased risk for PTB, while those with SLE and APS had more than a twofold higher risk. Patients with SLE were 90% more likely than comparators to deliver babies with an SGA condition, while RA patients had a 30% higher risk. SLE was the only condition with an increased risk for LBW (relative risk, 3.5). IBD, RA, PsA, SpA, SLE, APS, and SjS were all associated with a higher likelihood of delivery via cesarean section.

“The findings of this study reveal that the associations between IMIDs and adverse pregnancy outcomes are influenced by the specific type of IMIDs and the presence of comorbidities,” the authors wrote.
 

A Large Study, But How Representative Is It?

Asked to comment on the study, Catherine Sims, MD, a rheumatologist at Duke University Medical Center in Durham, North Carolina, noted that the analysis was much larger than many reproductive rheumatology studies, and “their statistics were phenomenal.”

She agreed that “not all autoimmune diseases are created equal when it comes to pregnancy-associated risks.” However, she added that this study’s patient population may not be totally representative of pregnant people with IMIDs or autoimmune diseases.

“We’re making generalizations about autoimmune diseases based on this demographic of White women who are not taking immunosuppression,” she said.

“We know that race and ethnicity play a huge role in pregnancy outcomes, and Black women have higher maternal and fetal morbidity and mortality, which is likely related to systemic racism and biases in the medical system,” she added. “While the study did control for sociodemographic factors, the population studied is not diverse.”

Only 17% of people with IMID in the cohort were on immunosuppressive medication, which could suggest low disease activity in the study population, Dr. Sims said. If the population generally had well-controlled disease, that could have positioned them for better pregnancy outcomes.

The authors noted that their analysis did not have information on IMID disease activity or severity — one of the limitations of the study.

However, the authors argued that the observed low prescription rate during the study may have increased poor pregnancy outcomes.

“Although this reflects real-world care in the population studied, results from this study may show higher risk than might be achieved with recommended care guidelines,” they wrote.

Ultimately, the authors argued that these findings show how co-occurring health conditions can affect pregnancy outcomes in autoimmune diseases, particularly for RA and IBD.

“There is a need to take comorbidities into consideration for guidelines for patients with inflammatory bowel disease and rheumatoid arthritis and when designing future research to investigate maternal health in patients with IMIDs,” they wrote.

The study was funded by the National Institutes of Health. Dr. Sims declared no relevant financial relationships. Dr. Hadlock has received research funding (paid to the institute) from Pfizer, Novartis, Janssen, Bristol-Myers Squibb, and Gilead.

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

Over just a decade, sodium-glucose cotransporter-2 (SGLT2) inhibitors have revolutionized the second-line treatment of type 2 diabetes by improving the control of blood sugar, and they’re also being used to treat heart failure and chronic kidney disease. Now, there’s growing evidence that the medications have the potential to play a role in the treatment of a variety of rheumatologic diseases — gout, systemic lupus erythematosus (SLE), and lupus nephritis.

“I suspect that SGLT2 inhibitors may have a role in multiple rheumatic diseases,” said rheumatologist April Jorge, MD, of Harvard Medical School and Massachusetts General Hospital, Boston.

In gout, for example, “SGLT2 inhibitors hold great promise as a multipurpose treatment option,” said rheumatologist Chio Yokose, MD, MSc, also of Harvard Medical School and Massachusetts General Hospital. Both Dr. Jorge and Dr. Yokose spoke at recent medical conferences and in interviews about the potential value of the drugs in rheumatology.
 

There’s a big caveat. For the moment, SGLT2 inhibitors aren’t cleared for use in the treatment of rheumatologic conditions, and neither physician is ready to recommend prescribing them off-label outside of their FDA-approved indications.

But studies could pave the way toward more approved uses in rheumatology. And there’s good news for now: Many rheumatology patients may already be eligible to take the drugs because of other medical conditions. In gout, for example, “sizable proportions of patients have comorbidities for which they are already indicated,” Dr. Yokose said.
 

Research Hints at Gout-Busting Potential

The first SGLT2 inhibitor canagliflozin (Invokana), received FDA approval in 2013, followed by dapagliflozin (Farxiga), empagliflozin (Jardiance), ertugliflozin (Steglatro), and bexagliflozin (Brenzavvy). The drugs “lower blood sugar by causing the kidneys to remove sugar from the body through urine,” reports the National Kidney Foundation, and they “help to protect the kidneys and heart in people with CKD [chronic kidney disease].”

As Dr. Yokose noted in a presentation at the 2023 Gout Hyperuricemia and Crystal Associated Disease Network research symposium, SGLT2 inhibitors “have really become blockbuster drugs, and they’ve now been integrated into multiple professional society guidelines and recommendations.”

These drugs should not be confused with the wildly popular medications known as glucagon-like peptide-1 (GLP1) agonists, which include medications such as semaglutide (Ozempic and Wegovy). These drugs are generally administered via injection — unlike the oral SGLT2 inhibitors — and they’re variously indicated for type 2 diabetes and obesity.

Dr. Yokose highlighted research findings about the drugs in gout. A 2020 study, for example, tracked 295,907 US adults with type 2 diabetes who received a new prescription for an SGLT2 inhibitor or GLP1 agonist during 2013-2017. Those in the SGLT2 inhibitor group had a 36% lower risk of newly diagnosed gout (hazard ratio [HR], 0.64; 95% CI, 0.57-0.72), the researchers reported.

A similar study, a 2021 report from Taiwan, also linked SGLT2 inhibitors to improvement in gout incidence vs. dipeptidyl peptidase 4 (DPP4) inhibitors, diabetes drugs that are not linked to lower serum urate levels. In an adjusted analysis, the risk of gout was 11% lower in the SGLT2 inhibitor group (adjusted HR, 0.86; 95% CI, 0.78-0.95).

What about recurrent gout? In a 2023 study, Dr. Yokose and colleagues tracked patients with type 2 diabetes who began SGLT2 inhibitors or DPP4 inhibitors. Over the period from 2013 to 2017, those who took SGLT2 inhibitors were less likely to have gout flares (rate ratio [RR], 0.66; 95% CI, 0.57-0.75) and gout-primary emergency department visits/hospitalizations (RR, 0.52; 95% CI, 0.32-0.84).

“This finding requires further replication in other populations and compared to other drugs,” Dr. Yokose cautioned.

Another 2023 study analyzed UK data and reached similar results regarding risk of recurrent gout.

Lower Urate Levels and Less Inflammation Could Be Key

How might SGLT2 inhibitors reduce the risk of gout? Multiple studies have linked the drugs to lower serum urate levels, Dr. Yokose said, but researchers often excluded patients with gout.

For a small new study presented at the 2023 annual meeting of the American College of Rheumatology but not yet published, Dr. Yokose and colleagues reported that patients with gout who began SGLT2 inhibitors had lower urate levels than those who began a sulfonylurea, another second-line agent for type 2 diabetes. During the study period, up to 3 months before and after initiation, 43.5% of patients in the SGLT2 inhibitor group reached a target serum urate of < 6 mg/dL vs. 4.2% of sulfonylurea initiators.

“The magnitude of this reduction, while not as large as what can be achieved with appropriately titrated urate-lowering therapy such as allopurinol or febuxostat, is also not negligible. It’s believed to be between 1.5-2.0 mg/dL among patients with gout,” Dr. Yokose said. “Also, SGLT2 inhibitors are purported to have some anti-inflammatory effects that may target the same pathways responsible for the profound inflammation associated with acute gout flares. However, both the exact mechanisms underlying the serum urate-lowering and anti-inflammatory effects of SGLT2 [inhibitors] require further research and clarification.”

Moving forward, she said, “I would love to see some prospective studies of SGLT2 inhibitor use among patients with gout, looking at serum urate and clinical gout endpoints, as well as biomarkers to understand better the beneficial effects of SGLT2 inhibitors as it pertains to patients with gout.”

In Lupus, Findings Are More Mixed

Studies of SGLT2 inhibitors have excluded patients with lupus, limiting insight into their benefits in that specific population, said Dr. Jorge of Massachusetts General Hospital and Harvard Medical School. However, “one small phase I/II trial showed an acceptable safety profile of dapagliflozin add-on therapy in adult patients with SLE,” she said.

Her team is working to expand understanding about the drugs in people with lupus. At the 2023 ACR annual meeting, she presented the findings of a study that tracked patients with SLE who took SGLT2 inhibitors (n = 426, including 154 with lupus nephritis) or DPP4 inhibitors (n = 865, including 270 with lupus nephritis). Patients who took SGLT2 inhibitors had lower risks of major adverse cardiac events (HR, 0.69; 95% CI, 0.48-0.99) and renal progression (HR, 0.71; 95% CI, 0.51-0.98).

“Our results are promising, but the majority of patient with lupus who had received SGLT2 inhibitors also had the comorbidity of type 2 diabetes as a separate indication for SGLT2 inhibitor use,” Dr. Jorge said. “We still need to study the impact of SGLT2 inhibitors in patients with SLE and lupus nephritis who do not have a separate indication for the medication.”

Dr. Jorge added that “we do not yet know the ideal time to initiate SGLT2 inhibitors in the treatment of lupus nephritis. Specifically, it is not yet known whether these medications should be used in patients with persistent proteinuria due to damage from lupus nephritis or whether there is also a role to start these medications in patients with active lupus nephritis who are undergoing induction immunosuppression regimens.”

However, another study released at the 2023 ACR annual meeting suggested that SGLT2 inhibitors may not have a beneficial effect in lupus nephritis: “We observed a reduction in decline in eGFR [estimated glomerular filtration rate] after starting SGLT2 inhibitors; however, this reduction was not statistically significant … early experience suggested marginal benefit of SGLT2 inhibitors in SLE,” researchers from Johns Hopkins University, and the University of Maryland, Baltimore, reported.

“My cohort is not showing miracles from SGLT2 inhibitors,” study lead author Michelle Petri, MD, MPH, of Johns Hopkins, said in an interview.

Still, new European Alliance of Associations for Rheumatology recommendations for SLE now advise to consider the use of the drugs in patients with lupus nephritis who have reduced eGFR. Meanwhile, “the American College of Rheumatology is currently developing new treatment guidelines for SLE and for lupus nephritis, and SGLT2 inhibitors will likely be a topic of consideration,” Dr. Jorge added.

As for mechanism, Dr. Jorge said it’s not clear how the drugs may affect lupus. “It’s proposed that they have benefits in hemodynamic effects as well as potentially anti-inflammatory effects. The hemodynamic effects, including reducing intraglomerular hyperfiltration and reducing blood pressure, likely have similar benefits in patients with chronic kidney disease due to diabetic nephropathy or due to lupus nephritis with damage/scarring and persistent proteinuria. Patients with SLE and other chronic, systemic rheumatic diseases such as ANCA [antineutrophilic cytoplasmic antibody]-associated vasculitis also develop kidney disease and cardiovascular events mediated by inflammatory processes.”
 

Side Effects and Cost: Where Do They Fit In?

According to Dr. Yokose, SGLT2 inhibitors “are generally quite well-tolerated, and very serious adverse effects are rare.” Side effects include disrupted urination, increased thirst, genital infections, flu-like symptoms, and swelling.

Urinary-related problems are understandable “because these drugs cause the kidneys to pass more glucose into the urine,” University of Hong Kong cardiac specialist Bernard Cheung, MBBCh, PhD, who has studied SGLT2 inhibitors, said in an interview.

In Dr. Yokose’s 2023 study of SGLT2 inhibitors in recurrent gout, patients who took the drugs were 2.15 times more likely than the comparison group to have genital infections (hazard ratio, 2.15; 95% CI, 1.39-3.30). This finding “was what we’d expect,” she said.

She added that genital infection rates were higher among patients with diabetes, women, and uncircumcised men. “Fortunately, most experienced just a single mild episode that can readily be treated with topical therapy. There does not appear to be an increased risk of urinary tract infections.”

Dr. Cheung added that “doctors should be aware of a rare adverse effect called euglycemic ketoacidosis, in which the patient has increased ketones in the blood causing it to be more acidic than normal, but the blood glucose remains within the normal range.”

As for cost, goodrx.com reports that several SGLT2 inhibitors run about $550-$683 per month, making them expensive but still cheaper than GLP-1 agonists, which can cost $1,000 or more per month. Unlike the most popular GLP-1 agonists such as Ozempic, none of the SGLT2 inhibitors are in short supply, according to the American Society of Health-System Pharmacists.

“If someone with gout already has a cardiovascular-kidney-metabolic indication for SGLT2 inhibitors and also stands to benefit in terms of lowering serum urate and risk of recurrent gout flares, there is potential for high benefit relative to cost,” Dr. Yokose said.

She added: “It is well-documented that current gout care is suboptimal, and many patients end up in the emergency room or hospitalized for gout, which in and of itself is quite costly both for the patient and the health care system. Therefore, streamlining or integrating gout and comorbidity care with SGLT2 inhibitors could potentially be quite beneficial for patients with gout.”

In regard to lupus, “many patients with lupus undergo multiple hospitalizations related to their disease, which is a source of high health care costs,” Dr. Jorge said. “Additionally, chronic kidney disease and cardiovascular disease are major causes of disability and premature mortality. Further studies will be needed to better understand whether benefits of SGLT2 inhibitors may outweigh the costs of treatment.”

As for prescribing the drugs in lupus now, Dr. Jorge said they can be an option in lupus nephritis. “There is not a clear consensus of the ideal timing to initiate SGLT2 inhibitors — e.g., degree of proteinuria or eGFR range,” she said. “However, it is less controversial that SGLT2 inhibitors should be considered in particular for patients with lupus nephritis with ongoing proteinuria despite adequate treatment with conventional therapies.”

As for gout, Dr. Yokose isn’t ready to prescribe the drugs to patients who don’t have comorbidities that can be treated by the medications. However, she noted that those patients are rare.

“If I see a patient with gout with one or more of these comorbidities, and I see that they are not already on an SGLT2 inhibitor, I definitely take the time to talk to the patient about this exciting class of drugs and will consult with their other physicians about getting them started on an SGLT2 inhibitor.”

Dr. Yokose, Dr. Petri, and Dr. Cheung have no relevant disclosures. Dr. Jorge disclosed serving as a site investigator for SLE clinical trials funded by Bristol-Myers Squibb and Cabaletta Bio; the trials are not related to SGLT2 inhibitors.

Over just a decade, sodium-glucose cotransporter-2 (SGLT2) inhibitors have revolutionized the second-line treatment of type 2 diabetes by improving the control of blood sugar, and they’re also being used to treat heart failure and chronic kidney disease. Now, there’s growing evidence that the medications have the potential to play a role in the treatment of a variety of rheumatologic diseases — gout, systemic lupus erythematosus (SLE), and lupus nephritis.

“I suspect that SGLT2 inhibitors may have a role in multiple rheumatic diseases,” said rheumatologist April Jorge, MD, of Harvard Medical School and Massachusetts General Hospital, Boston.

In gout, for example, “SGLT2 inhibitors hold great promise as a multipurpose treatment option,” said rheumatologist Chio Yokose, MD, MSc, also of Harvard Medical School and Massachusetts General Hospital. Both Dr. Jorge and Dr. Yokose spoke at recent medical conferences and in interviews about the potential value of the drugs in rheumatology.
 

There’s a big caveat. For the moment, SGLT2 inhibitors aren’t cleared for use in the treatment of rheumatologic conditions, and neither physician is ready to recommend prescribing them off-label outside of their FDA-approved indications.

But studies could pave the way toward more approved uses in rheumatology. And there’s good news for now: Many rheumatology patients may already be eligible to take the drugs because of other medical conditions. In gout, for example, “sizable proportions of patients have comorbidities for which they are already indicated,” Dr. Yokose said.
 

Research Hints at Gout-Busting Potential

The first SGLT2 inhibitor canagliflozin (Invokana), received FDA approval in 2013, followed by dapagliflozin (Farxiga), empagliflozin (Jardiance), ertugliflozin (Steglatro), and bexagliflozin (Brenzavvy). The drugs “lower blood sugar by causing the kidneys to remove sugar from the body through urine,” reports the National Kidney Foundation, and they “help to protect the kidneys and heart in people with CKD [chronic kidney disease].”

As Dr. Yokose noted in a presentation at the 2023 Gout Hyperuricemia and Crystal Associated Disease Network research symposium, SGLT2 inhibitors “have really become blockbuster drugs, and they’ve now been integrated into multiple professional society guidelines and recommendations.”

These drugs should not be confused with the wildly popular medications known as glucagon-like peptide-1 (GLP1) agonists, which include medications such as semaglutide (Ozempic and Wegovy). These drugs are generally administered via injection — unlike the oral SGLT2 inhibitors — and they’re variously indicated for type 2 diabetes and obesity.

Dr. Yokose highlighted research findings about the drugs in gout. A 2020 study, for example, tracked 295,907 US adults with type 2 diabetes who received a new prescription for an SGLT2 inhibitor or GLP1 agonist during 2013-2017. Those in the SGLT2 inhibitor group had a 36% lower risk of newly diagnosed gout (hazard ratio [HR], 0.64; 95% CI, 0.57-0.72), the researchers reported.

A similar study, a 2021 report from Taiwan, also linked SGLT2 inhibitors to improvement in gout incidence vs. dipeptidyl peptidase 4 (DPP4) inhibitors, diabetes drugs that are not linked to lower serum urate levels. In an adjusted analysis, the risk of gout was 11% lower in the SGLT2 inhibitor group (adjusted HR, 0.86; 95% CI, 0.78-0.95).

What about recurrent gout? In a 2023 study, Dr. Yokose and colleagues tracked patients with type 2 diabetes who began SGLT2 inhibitors or DPP4 inhibitors. Over the period from 2013 to 2017, those who took SGLT2 inhibitors were less likely to have gout flares (rate ratio [RR], 0.66; 95% CI, 0.57-0.75) and gout-primary emergency department visits/hospitalizations (RR, 0.52; 95% CI, 0.32-0.84).

“This finding requires further replication in other populations and compared to other drugs,” Dr. Yokose cautioned.

Another 2023 study analyzed UK data and reached similar results regarding risk of recurrent gout.

Lower Urate Levels and Less Inflammation Could Be Key

How might SGLT2 inhibitors reduce the risk of gout? Multiple studies have linked the drugs to lower serum urate levels, Dr. Yokose said, but researchers often excluded patients with gout.

For a small new study presented at the 2023 annual meeting of the American College of Rheumatology but not yet published, Dr. Yokose and colleagues reported that patients with gout who began SGLT2 inhibitors had lower urate levels than those who began a sulfonylurea, another second-line agent for type 2 diabetes. During the study period, up to 3 months before and after initiation, 43.5% of patients in the SGLT2 inhibitor group reached a target serum urate of < 6 mg/dL vs. 4.2% of sulfonylurea initiators.

“The magnitude of this reduction, while not as large as what can be achieved with appropriately titrated urate-lowering therapy such as allopurinol or febuxostat, is also not negligible. It’s believed to be between 1.5-2.0 mg/dL among patients with gout,” Dr. Yokose said. “Also, SGLT2 inhibitors are purported to have some anti-inflammatory effects that may target the same pathways responsible for the profound inflammation associated with acute gout flares. However, both the exact mechanisms underlying the serum urate-lowering and anti-inflammatory effects of SGLT2 [inhibitors] require further research and clarification.”

Moving forward, she said, “I would love to see some prospective studies of SGLT2 inhibitor use among patients with gout, looking at serum urate and clinical gout endpoints, as well as biomarkers to understand better the beneficial effects of SGLT2 inhibitors as it pertains to patients with gout.”

In Lupus, Findings Are More Mixed

Studies of SGLT2 inhibitors have excluded patients with lupus, limiting insight into their benefits in that specific population, said Dr. Jorge of Massachusetts General Hospital and Harvard Medical School. However, “one small phase I/II trial showed an acceptable safety profile of dapagliflozin add-on therapy in adult patients with SLE,” she said.

Her team is working to expand understanding about the drugs in people with lupus. At the 2023 ACR annual meeting, she presented the findings of a study that tracked patients with SLE who took SGLT2 inhibitors (n = 426, including 154 with lupus nephritis) or DPP4 inhibitors (n = 865, including 270 with lupus nephritis). Patients who took SGLT2 inhibitors had lower risks of major adverse cardiac events (HR, 0.69; 95% CI, 0.48-0.99) and renal progression (HR, 0.71; 95% CI, 0.51-0.98).

“Our results are promising, but the majority of patient with lupus who had received SGLT2 inhibitors also had the comorbidity of type 2 diabetes as a separate indication for SGLT2 inhibitor use,” Dr. Jorge said. “We still need to study the impact of SGLT2 inhibitors in patients with SLE and lupus nephritis who do not have a separate indication for the medication.”

Dr. Jorge added that “we do not yet know the ideal time to initiate SGLT2 inhibitors in the treatment of lupus nephritis. Specifically, it is not yet known whether these medications should be used in patients with persistent proteinuria due to damage from lupus nephritis or whether there is also a role to start these medications in patients with active lupus nephritis who are undergoing induction immunosuppression regimens.”

However, another study released at the 2023 ACR annual meeting suggested that SGLT2 inhibitors may not have a beneficial effect in lupus nephritis: “We observed a reduction in decline in eGFR [estimated glomerular filtration rate] after starting SGLT2 inhibitors; however, this reduction was not statistically significant … early experience suggested marginal benefit of SGLT2 inhibitors in SLE,” researchers from Johns Hopkins University, and the University of Maryland, Baltimore, reported.

“My cohort is not showing miracles from SGLT2 inhibitors,” study lead author Michelle Petri, MD, MPH, of Johns Hopkins, said in an interview.

Still, new European Alliance of Associations for Rheumatology recommendations for SLE now advise to consider the use of the drugs in patients with lupus nephritis who have reduced eGFR. Meanwhile, “the American College of Rheumatology is currently developing new treatment guidelines for SLE and for lupus nephritis, and SGLT2 inhibitors will likely be a topic of consideration,” Dr. Jorge added.

As for mechanism, Dr. Jorge said it’s not clear how the drugs may affect lupus. “It’s proposed that they have benefits in hemodynamic effects as well as potentially anti-inflammatory effects. The hemodynamic effects, including reducing intraglomerular hyperfiltration and reducing blood pressure, likely have similar benefits in patients with chronic kidney disease due to diabetic nephropathy or due to lupus nephritis with damage/scarring and persistent proteinuria. Patients with SLE and other chronic, systemic rheumatic diseases such as ANCA [antineutrophilic cytoplasmic antibody]-associated vasculitis also develop kidney disease and cardiovascular events mediated by inflammatory processes.”
 

Side Effects and Cost: Where Do They Fit In?

According to Dr. Yokose, SGLT2 inhibitors “are generally quite well-tolerated, and very serious adverse effects are rare.” Side effects include disrupted urination, increased thirst, genital infections, flu-like symptoms, and swelling.

Urinary-related problems are understandable “because these drugs cause the kidneys to pass more glucose into the urine,” University of Hong Kong cardiac specialist Bernard Cheung, MBBCh, PhD, who has studied SGLT2 inhibitors, said in an interview.

In Dr. Yokose’s 2023 study of SGLT2 inhibitors in recurrent gout, patients who took the drugs were 2.15 times more likely than the comparison group to have genital infections (hazard ratio, 2.15; 95% CI, 1.39-3.30). This finding “was what we’d expect,” she said.

She added that genital infection rates were higher among patients with diabetes, women, and uncircumcised men. “Fortunately, most experienced just a single mild episode that can readily be treated with topical therapy. There does not appear to be an increased risk of urinary tract infections.”

Dr. Cheung added that “doctors should be aware of a rare adverse effect called euglycemic ketoacidosis, in which the patient has increased ketones in the blood causing it to be more acidic than normal, but the blood glucose remains within the normal range.”

As for cost, goodrx.com reports that several SGLT2 inhibitors run about $550-$683 per month, making them expensive but still cheaper than GLP-1 agonists, which can cost $1,000 or more per month. Unlike the most popular GLP-1 agonists such as Ozempic, none of the SGLT2 inhibitors are in short supply, according to the American Society of Health-System Pharmacists.

“If someone with gout already has a cardiovascular-kidney-metabolic indication for SGLT2 inhibitors and also stands to benefit in terms of lowering serum urate and risk of recurrent gout flares, there is potential for high benefit relative to cost,” Dr. Yokose said.

She added: “It is well-documented that current gout care is suboptimal, and many patients end up in the emergency room or hospitalized for gout, which in and of itself is quite costly both for the patient and the health care system. Therefore, streamlining or integrating gout and comorbidity care with SGLT2 inhibitors could potentially be quite beneficial for patients with gout.”

In regard to lupus, “many patients with lupus undergo multiple hospitalizations related to their disease, which is a source of high health care costs,” Dr. Jorge said. “Additionally, chronic kidney disease and cardiovascular disease are major causes of disability and premature mortality. Further studies will be needed to better understand whether benefits of SGLT2 inhibitors may outweigh the costs of treatment.”

As for prescribing the drugs in lupus now, Dr. Jorge said they can be an option in lupus nephritis. “There is not a clear consensus of the ideal timing to initiate SGLT2 inhibitors — e.g., degree of proteinuria or eGFR range,” she said. “However, it is less controversial that SGLT2 inhibitors should be considered in particular for patients with lupus nephritis with ongoing proteinuria despite adequate treatment with conventional therapies.”

As for gout, Dr. Yokose isn’t ready to prescribe the drugs to patients who don’t have comorbidities that can be treated by the medications. However, she noted that those patients are rare.

“If I see a patient with gout with one or more of these comorbidities, and I see that they are not already on an SGLT2 inhibitor, I definitely take the time to talk to the patient about this exciting class of drugs and will consult with their other physicians about getting them started on an SGLT2 inhibitor.”

Dr. Yokose, Dr. Petri, and Dr. Cheung have no relevant disclosures. Dr. Jorge disclosed serving as a site investigator for SLE clinical trials funded by Bristol-Myers Squibb and Cabaletta Bio; the trials are not related to SGLT2 inhibitors.

Over just a decade, sodium-glucose cotransporter-2 (SGLT2) inhibitors have revolutionized the second-line treatment of type 2 diabetes by improving the control of blood sugar, and they’re also being used to treat heart failure and chronic kidney disease. Now, there’s growing evidence that the medications have the potential to play a role in the treatment of a variety of rheumatologic diseases — gout, systemic lupus erythematosus (SLE), and lupus nephritis.

“I suspect that SGLT2 inhibitors may have a role in multiple rheumatic diseases,” said rheumatologist April Jorge, MD, of Harvard Medical School and Massachusetts General Hospital, Boston.

In gout, for example, “SGLT2 inhibitors hold great promise as a multipurpose treatment option,” said rheumatologist Chio Yokose, MD, MSc, also of Harvard Medical School and Massachusetts General Hospital. Both Dr. Jorge and Dr. Yokose spoke at recent medical conferences and in interviews about the potential value of the drugs in rheumatology.
 

There’s a big caveat. For the moment, SGLT2 inhibitors aren’t cleared for use in the treatment of rheumatologic conditions, and neither physician is ready to recommend prescribing them off-label outside of their FDA-approved indications.

But studies could pave the way toward more approved uses in rheumatology. And there’s good news for now: Many rheumatology patients may already be eligible to take the drugs because of other medical conditions. In gout, for example, “sizable proportions of patients have comorbidities for which they are already indicated,” Dr. Yokose said.
 

Research Hints at Gout-Busting Potential

The first SGLT2 inhibitor canagliflozin (Invokana), received FDA approval in 2013, followed by dapagliflozin (Farxiga), empagliflozin (Jardiance), ertugliflozin (Steglatro), and bexagliflozin (Brenzavvy). The drugs “lower blood sugar by causing the kidneys to remove sugar from the body through urine,” reports the National Kidney Foundation, and they “help to protect the kidneys and heart in people with CKD [chronic kidney disease].”

As Dr. Yokose noted in a presentation at the 2023 Gout Hyperuricemia and Crystal Associated Disease Network research symposium, SGLT2 inhibitors “have really become blockbuster drugs, and they’ve now been integrated into multiple professional society guidelines and recommendations.”

These drugs should not be confused with the wildly popular medications known as glucagon-like peptide-1 (GLP1) agonists, which include medications such as semaglutide (Ozempic and Wegovy). These drugs are generally administered via injection — unlike the oral SGLT2 inhibitors — and they’re variously indicated for type 2 diabetes and obesity.

Dr. Yokose highlighted research findings about the drugs in gout. A 2020 study, for example, tracked 295,907 US adults with type 2 diabetes who received a new prescription for an SGLT2 inhibitor or GLP1 agonist during 2013-2017. Those in the SGLT2 inhibitor group had a 36% lower risk of newly diagnosed gout (hazard ratio [HR], 0.64; 95% CI, 0.57-0.72), the researchers reported.

A similar study, a 2021 report from Taiwan, also linked SGLT2 inhibitors to improvement in gout incidence vs. dipeptidyl peptidase 4 (DPP4) inhibitors, diabetes drugs that are not linked to lower serum urate levels. In an adjusted analysis, the risk of gout was 11% lower in the SGLT2 inhibitor group (adjusted HR, 0.86; 95% CI, 0.78-0.95).

What about recurrent gout? In a 2023 study, Dr. Yokose and colleagues tracked patients with type 2 diabetes who began SGLT2 inhibitors or DPP4 inhibitors. Over the period from 2013 to 2017, those who took SGLT2 inhibitors were less likely to have gout flares (rate ratio [RR], 0.66; 95% CI, 0.57-0.75) and gout-primary emergency department visits/hospitalizations (RR, 0.52; 95% CI, 0.32-0.84).

“This finding requires further replication in other populations and compared to other drugs,” Dr. Yokose cautioned.

Another 2023 study analyzed UK data and reached similar results regarding risk of recurrent gout.

Lower Urate Levels and Less Inflammation Could Be Key

How might SGLT2 inhibitors reduce the risk of gout? Multiple studies have linked the drugs to lower serum urate levels, Dr. Yokose said, but researchers often excluded patients with gout.

For a small new study presented at the 2023 annual meeting of the American College of Rheumatology but not yet published, Dr. Yokose and colleagues reported that patients with gout who began SGLT2 inhibitors had lower urate levels than those who began a sulfonylurea, another second-line agent for type 2 diabetes. During the study period, up to 3 months before and after initiation, 43.5% of patients in the SGLT2 inhibitor group reached a target serum urate of < 6 mg/dL vs. 4.2% of sulfonylurea initiators.

“The magnitude of this reduction, while not as large as what can be achieved with appropriately titrated urate-lowering therapy such as allopurinol or febuxostat, is also not negligible. It’s believed to be between 1.5-2.0 mg/dL among patients with gout,” Dr. Yokose said. “Also, SGLT2 inhibitors are purported to have some anti-inflammatory effects that may target the same pathways responsible for the profound inflammation associated with acute gout flares. However, both the exact mechanisms underlying the serum urate-lowering and anti-inflammatory effects of SGLT2 [inhibitors] require further research and clarification.”

Moving forward, she said, “I would love to see some prospective studies of SGLT2 inhibitor use among patients with gout, looking at serum urate and clinical gout endpoints, as well as biomarkers to understand better the beneficial effects of SGLT2 inhibitors as it pertains to patients with gout.”

In Lupus, Findings Are More Mixed

Studies of SGLT2 inhibitors have excluded patients with lupus, limiting insight into their benefits in that specific population, said Dr. Jorge of Massachusetts General Hospital and Harvard Medical School. However, “one small phase I/II trial showed an acceptable safety profile of dapagliflozin add-on therapy in adult patients with SLE,” she said.

Her team is working to expand understanding about the drugs in people with lupus. At the 2023 ACR annual meeting, she presented the findings of a study that tracked patients with SLE who took SGLT2 inhibitors (n = 426, including 154 with lupus nephritis) or DPP4 inhibitors (n = 865, including 270 with lupus nephritis). Patients who took SGLT2 inhibitors had lower risks of major adverse cardiac events (HR, 0.69; 95% CI, 0.48-0.99) and renal progression (HR, 0.71; 95% CI, 0.51-0.98).

“Our results are promising, but the majority of patient with lupus who had received SGLT2 inhibitors also had the comorbidity of type 2 diabetes as a separate indication for SGLT2 inhibitor use,” Dr. Jorge said. “We still need to study the impact of SGLT2 inhibitors in patients with SLE and lupus nephritis who do not have a separate indication for the medication.”

Dr. Jorge added that “we do not yet know the ideal time to initiate SGLT2 inhibitors in the treatment of lupus nephritis. Specifically, it is not yet known whether these medications should be used in patients with persistent proteinuria due to damage from lupus nephritis or whether there is also a role to start these medications in patients with active lupus nephritis who are undergoing induction immunosuppression regimens.”

However, another study released at the 2023 ACR annual meeting suggested that SGLT2 inhibitors may not have a beneficial effect in lupus nephritis: “We observed a reduction in decline in eGFR [estimated glomerular filtration rate] after starting SGLT2 inhibitors; however, this reduction was not statistically significant … early experience suggested marginal benefit of SGLT2 inhibitors in SLE,” researchers from Johns Hopkins University, and the University of Maryland, Baltimore, reported.

“My cohort is not showing miracles from SGLT2 inhibitors,” study lead author Michelle Petri, MD, MPH, of Johns Hopkins, said in an interview.

Still, new European Alliance of Associations for Rheumatology recommendations for SLE now advise to consider the use of the drugs in patients with lupus nephritis who have reduced eGFR. Meanwhile, “the American College of Rheumatology is currently developing new treatment guidelines for SLE and for lupus nephritis, and SGLT2 inhibitors will likely be a topic of consideration,” Dr. Jorge added.

As for mechanism, Dr. Jorge said it’s not clear how the drugs may affect lupus. “It’s proposed that they have benefits in hemodynamic effects as well as potentially anti-inflammatory effects. The hemodynamic effects, including reducing intraglomerular hyperfiltration and reducing blood pressure, likely have similar benefits in patients with chronic kidney disease due to diabetic nephropathy or due to lupus nephritis with damage/scarring and persistent proteinuria. Patients with SLE and other chronic, systemic rheumatic diseases such as ANCA [antineutrophilic cytoplasmic antibody]-associated vasculitis also develop kidney disease and cardiovascular events mediated by inflammatory processes.”
 

Side Effects and Cost: Where Do They Fit In?

According to Dr. Yokose, SGLT2 inhibitors “are generally quite well-tolerated, and very serious adverse effects are rare.” Side effects include disrupted urination, increased thirst, genital infections, flu-like symptoms, and swelling.

Urinary-related problems are understandable “because these drugs cause the kidneys to pass more glucose into the urine,” University of Hong Kong cardiac specialist Bernard Cheung, MBBCh, PhD, who has studied SGLT2 inhibitors, said in an interview.

In Dr. Yokose’s 2023 study of SGLT2 inhibitors in recurrent gout, patients who took the drugs were 2.15 times more likely than the comparison group to have genital infections (hazard ratio, 2.15; 95% CI, 1.39-3.30). This finding “was what we’d expect,” she said.

She added that genital infection rates were higher among patients with diabetes, women, and uncircumcised men. “Fortunately, most experienced just a single mild episode that can readily be treated with topical therapy. There does not appear to be an increased risk of urinary tract infections.”

Dr. Cheung added that “doctors should be aware of a rare adverse effect called euglycemic ketoacidosis, in which the patient has increased ketones in the blood causing it to be more acidic than normal, but the blood glucose remains within the normal range.”

As for cost, goodrx.com reports that several SGLT2 inhibitors run about $550-$683 per month, making them expensive but still cheaper than GLP-1 agonists, which can cost $1,000 or more per month. Unlike the most popular GLP-1 agonists such as Ozempic, none of the SGLT2 inhibitors are in short supply, according to the American Society of Health-System Pharmacists.

“If someone with gout already has a cardiovascular-kidney-metabolic indication for SGLT2 inhibitors and also stands to benefit in terms of lowering serum urate and risk of recurrent gout flares, there is potential for high benefit relative to cost,” Dr. Yokose said.

She added: “It is well-documented that current gout care is suboptimal, and many patients end up in the emergency room or hospitalized for gout, which in and of itself is quite costly both for the patient and the health care system. Therefore, streamlining or integrating gout and comorbidity care with SGLT2 inhibitors could potentially be quite beneficial for patients with gout.”

In regard to lupus, “many patients with lupus undergo multiple hospitalizations related to their disease, which is a source of high health care costs,” Dr. Jorge said. “Additionally, chronic kidney disease and cardiovascular disease are major causes of disability and premature mortality. Further studies will be needed to better understand whether benefits of SGLT2 inhibitors may outweigh the costs of treatment.”

As for prescribing the drugs in lupus now, Dr. Jorge said they can be an option in lupus nephritis. “There is not a clear consensus of the ideal timing to initiate SGLT2 inhibitors — e.g., degree of proteinuria or eGFR range,” she said. “However, it is less controversial that SGLT2 inhibitors should be considered in particular for patients with lupus nephritis with ongoing proteinuria despite adequate treatment with conventional therapies.”

As for gout, Dr. Yokose isn’t ready to prescribe the drugs to patients who don’t have comorbidities that can be treated by the medications. However, she noted that those patients are rare.

“If I see a patient with gout with one or more of these comorbidities, and I see that they are not already on an SGLT2 inhibitor, I definitely take the time to talk to the patient about this exciting class of drugs and will consult with their other physicians about getting them started on an SGLT2 inhibitor.”

Dr. Yokose, Dr. Petri, and Dr. Cheung have no relevant disclosures. Dr. Jorge disclosed serving as a site investigator for SLE clinical trials funded by Bristol-Myers Squibb and Cabaletta Bio; the trials are not related to SGLT2 inhibitors.

Maintaining remission in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis who have kept their autoantibodies in check after at least 2 years on rituximab therapy has proved challenging, but a team of nephrologists in Boston have reported that a longer-term strategy that uses a rise in B-cell levels as a threshold for rituximab infusions may be the better of two strategies at reducing relapse risks. 

“The bottom line is with the B-cell strategy, which is that rituximab was redosed when the B cells recovered or started to recover, we only have a 6% rate in relapses by 3 years,” senior study author John L. Niles, MD, assistant professor of medicine at the Harvard Medical School and director of the Vasculitis and Glomerulonephritis Center at Massachusetts General Hospital in Boston, Massachusetts, told Medscape Medical News.

Massachusetts General Hospital

“Whereas in the other strategy, we were waiting for a serologic relapse and hoping we could prevent clinical relapses, but we still have about 30% rate of relapse by 3 years.”

Dr. Niles and his associates reported their findings from the MAINTANCVAS study (for MAINTenance of ANCA VASculitis) December 11, 2023, in Annals of the Rheumatic Diseases. Their single-center study compared two different treatment strategies in patients with ANCA-associated vasculitis in remission after completing at least 2 years of fixed-schedule rituximab therapy: an approach that reinfused rituximab upon B-cell repopulation, called the B-cell arm and a strategy that reinfused rituximab when serologic levels of ANCA increased significantly, which they called the ANCA arm. A total of 115 patients were randomly assigned to either arm.
 

Study Results

Median follow-up was 4.1 years from study entry. Throughout the study, 5 of 58 patients in the B-cell arm and 14 of 57 in the ANCA arm had relapses. According to Kaplan-Meier analysis, at 3 years after study entry, 4.1% of patients in the B-cell arm had a relapse vs 20.5% of patients in the ANCA arm. At 5 years, the respective relapse rates were 11.3% and 27.7%. Overall, four major relapses occurred in the B-cell arm and seven in the ANCA arm.

The COVID-19 pandemic caused the researchers to halt the study before it was fully enrolled, Dr. Niles said. The study also attributed high rates of serious adverse events (SAEs) in the B-cell arm to cases of COVID-19 in that study population. The overall number of SAEs was identical in both arms: 22 (P = .95). But the B-cell arm had six cases of COVID-19 vs one in the ANCA arm, including two deaths because of COVID-19.

The study findings provided insight into how to best individualize treatment in patients with ANCA-associated vasculitis, Dr. Niles said. “We will typically start with the B-cell strategy after 2 years, but to the extent that people have infections or hypogammaglobulinemia, we’ll start stretching a little longer on the B cells, and if the level is too high in terms of infection, we’ll stop and switch to the ANCA strategy,” he said.

He added, “Relapsers get a more strict B-cell strategy, and people with infections get much longer intervals or even switch entirely to the ANCA strategy.”

Because the study ended before it was fully enrolled, it was underpowered for subgroup analyses, Dr. Niles noted. One such potential subgroup was relapsing patients with interstitial lung disease as the primary clinical finding. “The interstitial lung disease doesn’t seem to respond as well to therapy as the other classic features of ANCA disease,” Dr. Niles said. “It’s the one part that’s the most problematic for the long run. It behaves differently, and there’s going to need to be more research on ILD. Fortunately, it’s a fairly small percentage of the total group, but it’s the most difficult part of this disease.”
 

Findings in Context

This study brings clarity on how to best manage patients with ANCA-associated vasculitis, Robert Hylland, MD, an assistant clinical professor of rheumatology at Michigan State University College of Osteopathic Medicine, told this news organization.

“Most of us have tried to discern from the literature that exists how to manage [ANCA-associated vasculitis]. There have been a number of different approaches, and they have changed over the course of time,” Dr. Hylland said. “But now this article helps us to understand how to proceed with this disease after we have induced remission. The ability to determine the validity of serology vs B-cell depletion was brought out very nicely in this article.”

Michigan State University College of Osteopathic Medicine

The size of the study population was a strength of the study, Dr. Hylland said. 

He credited the study authors for providing insight into using positive myeloperoxidase (MPO)- or proteinase 3 (PR3)-ANCA readings to guide treatment for relapses. The study defined a serologic ANCA flare in the ANCA arm as a fivefold increase in MPO and a fourfold rise in PR3.

“Many of us wouldn’t have recognized that a less than fivefold increase, for example, in the MPO could be watched for a while, where most of us would have been treating that serologic flare,” Hylland said.

The study also highlighted the difficulty of evaluating a patient who has neither a positive ANCA nor a significant increase in their B-cell counts and yet still has clinical signs and symptoms of a relapse, such as with granulomatosis with polyangiitis, also known as Wegener’s granulomatosis.

“A lot of physicians tend to feel a little more relaxed when they see their patient is serologically doing well and yet, when they come in, some of the subtle symptoms of Wegener’s could be ignored if you don’t recognize that there’s a considerable number who will come to you with having had treatment and still have negative serology,” Hylland said.

The study had no specific outside funding source. Dr. Niles and Dr. Hylland report no relevant financial relationships. Two co-authors report financial relationships with pharmaceutical companies.

A version of this article appeared on Medscape.com.

Maintaining remission in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis who have kept their autoantibodies in check after at least 2 years on rituximab therapy has proved challenging, but a team of nephrologists in Boston have reported that a longer-term strategy that uses a rise in B-cell levels as a threshold for rituximab infusions may be the better of two strategies at reducing relapse risks. 

“The bottom line is with the B-cell strategy, which is that rituximab was redosed when the B cells recovered or started to recover, we only have a 6% rate in relapses by 3 years,” senior study author John L. Niles, MD, assistant professor of medicine at the Harvard Medical School and director of the Vasculitis and Glomerulonephritis Center at Massachusetts General Hospital in Boston, Massachusetts, told Medscape Medical News.

Massachusetts General Hospital

“Whereas in the other strategy, we were waiting for a serologic relapse and hoping we could prevent clinical relapses, but we still have about 30% rate of relapse by 3 years.”

Dr. Niles and his associates reported their findings from the MAINTANCVAS study (for MAINTenance of ANCA VASculitis) December 11, 2023, in Annals of the Rheumatic Diseases. Their single-center study compared two different treatment strategies in patients with ANCA-associated vasculitis in remission after completing at least 2 years of fixed-schedule rituximab therapy: an approach that reinfused rituximab upon B-cell repopulation, called the B-cell arm and a strategy that reinfused rituximab when serologic levels of ANCA increased significantly, which they called the ANCA arm. A total of 115 patients were randomly assigned to either arm.
 

Study Results

Median follow-up was 4.1 years from study entry. Throughout the study, 5 of 58 patients in the B-cell arm and 14 of 57 in the ANCA arm had relapses. According to Kaplan-Meier analysis, at 3 years after study entry, 4.1% of patients in the B-cell arm had a relapse vs 20.5% of patients in the ANCA arm. At 5 years, the respective relapse rates were 11.3% and 27.7%. Overall, four major relapses occurred in the B-cell arm and seven in the ANCA arm.

The COVID-19 pandemic caused the researchers to halt the study before it was fully enrolled, Dr. Niles said. The study also attributed high rates of serious adverse events (SAEs) in the B-cell arm to cases of COVID-19 in that study population. The overall number of SAEs was identical in both arms: 22 (P = .95). But the B-cell arm had six cases of COVID-19 vs one in the ANCA arm, including two deaths because of COVID-19.

The study findings provided insight into how to best individualize treatment in patients with ANCA-associated vasculitis, Dr. Niles said. “We will typically start with the B-cell strategy after 2 years, but to the extent that people have infections or hypogammaglobulinemia, we’ll start stretching a little longer on the B cells, and if the level is too high in terms of infection, we’ll stop and switch to the ANCA strategy,” he said.

He added, “Relapsers get a more strict B-cell strategy, and people with infections get much longer intervals or even switch entirely to the ANCA strategy.”

Because the study ended before it was fully enrolled, it was underpowered for subgroup analyses, Dr. Niles noted. One such potential subgroup was relapsing patients with interstitial lung disease as the primary clinical finding. “The interstitial lung disease doesn’t seem to respond as well to therapy as the other classic features of ANCA disease,” Dr. Niles said. “It’s the one part that’s the most problematic for the long run. It behaves differently, and there’s going to need to be more research on ILD. Fortunately, it’s a fairly small percentage of the total group, but it’s the most difficult part of this disease.”
 

Findings in Context

This study brings clarity on how to best manage patients with ANCA-associated vasculitis, Robert Hylland, MD, an assistant clinical professor of rheumatology at Michigan State University College of Osteopathic Medicine, told this news organization.

“Most of us have tried to discern from the literature that exists how to manage [ANCA-associated vasculitis]. There have been a number of different approaches, and they have changed over the course of time,” Dr. Hylland said. “But now this article helps us to understand how to proceed with this disease after we have induced remission. The ability to determine the validity of serology vs B-cell depletion was brought out very nicely in this article.”

Michigan State University College of Osteopathic Medicine

The size of the study population was a strength of the study, Dr. Hylland said. 

He credited the study authors for providing insight into using positive myeloperoxidase (MPO)- or proteinase 3 (PR3)-ANCA readings to guide treatment for relapses. The study defined a serologic ANCA flare in the ANCA arm as a fivefold increase in MPO and a fourfold rise in PR3.

“Many of us wouldn’t have recognized that a less than fivefold increase, for example, in the MPO could be watched for a while, where most of us would have been treating that serologic flare,” Hylland said.

The study also highlighted the difficulty of evaluating a patient who has neither a positive ANCA nor a significant increase in their B-cell counts and yet still has clinical signs and symptoms of a relapse, such as with granulomatosis with polyangiitis, also known as Wegener’s granulomatosis.

“A lot of physicians tend to feel a little more relaxed when they see their patient is serologically doing well and yet, when they come in, some of the subtle symptoms of Wegener’s could be ignored if you don’t recognize that there’s a considerable number who will come to you with having had treatment and still have negative serology,” Hylland said.

The study had no specific outside funding source. Dr. Niles and Dr. Hylland report no relevant financial relationships. Two co-authors report financial relationships with pharmaceutical companies.

A version of this article appeared on Medscape.com.

Maintaining remission in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis who have kept their autoantibodies in check after at least 2 years on rituximab therapy has proved challenging, but a team of nephrologists in Boston have reported that a longer-term strategy that uses a rise in B-cell levels as a threshold for rituximab infusions may be the better of two strategies at reducing relapse risks. 

“The bottom line is with the B-cell strategy, which is that rituximab was redosed when the B cells recovered or started to recover, we only have a 6% rate in relapses by 3 years,” senior study author John L. Niles, MD, assistant professor of medicine at the Harvard Medical School and director of the Vasculitis and Glomerulonephritis Center at Massachusetts General Hospital in Boston, Massachusetts, told Medscape Medical News.

Massachusetts General Hospital

“Whereas in the other strategy, we were waiting for a serologic relapse and hoping we could prevent clinical relapses, but we still have about 30% rate of relapse by 3 years.”

Dr. Niles and his associates reported their findings from the MAINTANCVAS study (for MAINTenance of ANCA VASculitis) December 11, 2023, in Annals of the Rheumatic Diseases. Their single-center study compared two different treatment strategies in patients with ANCA-associated vasculitis in remission after completing at least 2 years of fixed-schedule rituximab therapy: an approach that reinfused rituximab upon B-cell repopulation, called the B-cell arm and a strategy that reinfused rituximab when serologic levels of ANCA increased significantly, which they called the ANCA arm. A total of 115 patients were randomly assigned to either arm.
 

Study Results

Median follow-up was 4.1 years from study entry. Throughout the study, 5 of 58 patients in the B-cell arm and 14 of 57 in the ANCA arm had relapses. According to Kaplan-Meier analysis, at 3 years after study entry, 4.1% of patients in the B-cell arm had a relapse vs 20.5% of patients in the ANCA arm. At 5 years, the respective relapse rates were 11.3% and 27.7%. Overall, four major relapses occurred in the B-cell arm and seven in the ANCA arm.

The COVID-19 pandemic caused the researchers to halt the study before it was fully enrolled, Dr. Niles said. The study also attributed high rates of serious adverse events (SAEs) in the B-cell arm to cases of COVID-19 in that study population. The overall number of SAEs was identical in both arms: 22 (P = .95). But the B-cell arm had six cases of COVID-19 vs one in the ANCA arm, including two deaths because of COVID-19.

The study findings provided insight into how to best individualize treatment in patients with ANCA-associated vasculitis, Dr. Niles said. “We will typically start with the B-cell strategy after 2 years, but to the extent that people have infections or hypogammaglobulinemia, we’ll start stretching a little longer on the B cells, and if the level is too high in terms of infection, we’ll stop and switch to the ANCA strategy,” he said.

He added, “Relapsers get a more strict B-cell strategy, and people with infections get much longer intervals or even switch entirely to the ANCA strategy.”

Because the study ended before it was fully enrolled, it was underpowered for subgroup analyses, Dr. Niles noted. One such potential subgroup was relapsing patients with interstitial lung disease as the primary clinical finding. “The interstitial lung disease doesn’t seem to respond as well to therapy as the other classic features of ANCA disease,” Dr. Niles said. “It’s the one part that’s the most problematic for the long run. It behaves differently, and there’s going to need to be more research on ILD. Fortunately, it’s a fairly small percentage of the total group, but it’s the most difficult part of this disease.”
 

Findings in Context

This study brings clarity on how to best manage patients with ANCA-associated vasculitis, Robert Hylland, MD, an assistant clinical professor of rheumatology at Michigan State University College of Osteopathic Medicine, told this news organization.

“Most of us have tried to discern from the literature that exists how to manage [ANCA-associated vasculitis]. There have been a number of different approaches, and they have changed over the course of time,” Dr. Hylland said. “But now this article helps us to understand how to proceed with this disease after we have induced remission. The ability to determine the validity of serology vs B-cell depletion was brought out very nicely in this article.”

Michigan State University College of Osteopathic Medicine

The size of the study population was a strength of the study, Dr. Hylland said. 

He credited the study authors for providing insight into using positive myeloperoxidase (MPO)- or proteinase 3 (PR3)-ANCA readings to guide treatment for relapses. The study defined a serologic ANCA flare in the ANCA arm as a fivefold increase in MPO and a fourfold rise in PR3.

“Many of us wouldn’t have recognized that a less than fivefold increase, for example, in the MPO could be watched for a while, where most of us would have been treating that serologic flare,” Hylland said.

The study also highlighted the difficulty of evaluating a patient who has neither a positive ANCA nor a significant increase in their B-cell counts and yet still has clinical signs and symptoms of a relapse, such as with granulomatosis with polyangiitis, also known as Wegener’s granulomatosis.

“A lot of physicians tend to feel a little more relaxed when they see their patient is serologically doing well and yet, when they come in, some of the subtle symptoms of Wegener’s could be ignored if you don’t recognize that there’s a considerable number who will come to you with having had treatment and still have negative serology,” Hylland said.

The study had no specific outside funding source. Dr. Niles and Dr. Hylland report no relevant financial relationships. Two co-authors report financial relationships with pharmaceutical companies.

A version of this article appeared on Medscape.com.

SAN DIEGO – In the spring of 2024, the American College of Rheumatology is expected to release guidelines to help inform the screening, monitoring, and treatment of interstitial lung disease (ILD) in people with systemic autoimmune rheumatic diseases (SARDs).

The guidelines, which were previewed during a session at the ACR’s annual meeting, will include 50 recommendations, 3 of which met criteria for a strong rating:

• For people with SARDs at increased risk of developing ILD, the authors strongly recommend against screening with surgical lung biopsy.
• For people with systemic sclerosis (SSc)-related ILD, the authors strongly recommend against glucocorticoids as a first-line ILD treatment.
• For people with SSc-related ILD progression despite an initial ILD treatment, the authors strongly recommend against using long-term glucocorticoids.

Elana J. Bernstein, MD, MSc, a rheumatologist who directs the Columbia/New York-Presbyterian Scleroderma Center, and Sindhu R. Johnson, MD, a rheumatologist who directs the Toronto Scleroderma Program at the University of Toronto, provided a sneak peek of the recommendations to attendees before anticipated publication in Arthritis & Rheumatology and Arthritis Care & Research. For now, guideline summaries for screening and monitoring and treatment are currently available, and three manuscripts are under peer review: one about screening and monitoring, one about treatment, and one about the patient panel that participated in the effort.

Pediatric patients with SARDs excluded

The guidelines’ population of interest was people 17 years of age and older who were diagnosed with SARDs with a high risk of ILD. Pediatric patients with SARDs were excluded from the endeavor, as were those with systemic lupus erythematosus, antineutrophil cytoplasmic antibody–associated vasculitis, sarcoidosis, ankylosing spondylitis, undifferentiated connective tissue disease, interstitial pneumonia with autoimmune features, and those with unclassifiable ILD.

In the realm of screening, the guideline authors conditionally recommend two screening tests for patients considered at increased risk of ILD: pulmonary function tests and high-resolution chest CT (HRCT). Pulmonary function tests should include spirometry, lung volumes, and diffusion capacity. “Office spirometry alone is insufficient,” said Dr. Johnson, who served as lead author of the guidelines. And while a HRCT scan is recommended, “some patients may present to the emergency room with acute onset shortness of breath, and they may receive a CT angiogram to screen for pulmonary embolism,” she said. “It’s important to note that CT angiograms are performed in incomplete inspiration to maximize pulmonary artery enhancement. This may produce atelectasis that may obscure or mimic ILD. As a result, CTA studies are often inadequate to screen for ILD.”

Once a patient is diagnosed with ILD, three tests are recommended for monitoring: pulmonary function testing (every 3-6 months the first year in patients with IIM and SSc, then less frequently once stable, and every 3-12 months in the first year in patients with RA, SjD, and MCTD, then less frequently once stable); ambulatory desaturation testing every 3-12 months; and HRCT as needed. Dr. Johnson noted that while that the screening of ILD lies within the realm of rheumatologists, “once a patient is diagnosed, we are encouraged to comanage these patients with pulmonologists,” she said. “Ambulatory desaturation testing is not an infrequent test in the hands of pulmonologists. This is where co-management can be helpful.” She characterized a 6-minute walk test with continuous oximetry as “insufficient and is not synonymous with ambulatory desaturation testing. Ambulatory desaturation testing includes up titration of oxygen if a patient desaturates.”

The guidelines conditionally recommend against using chest radiography, 6-minute walk test distance, ambulatory desaturation testing, and bronchoscopy for ILD screening, and there is a strong recommendation against surgical lung biopsy. “However, there are unique circumstances where these tests may be considered,” Dr. Johnson said. “For example, ambulatory desaturation testing may be helpful if a patient is unable to perform a pulmonary function test. Bronchoscopy may be used to rule out infection, sarcoidosis, lymphoma, or alveolar hemorrhage, and surgical lung biopsy may be considered if you’re trying to rule out a malignancy.”

Similarly, several tests are conditionally recommended against for the monitoring of ILD, including chest radiography, the 6-minute walk test distance, and bronchoscopy. “But there are unique circumstances where they may be considered,” she said. “The 6-minute walk test may be used if a patient is unable to perform a pulmonary function test or if they’re being assessed for lung transplantation. Bronchoscopy may be used to rule out infection or alveolar hemorrhage.”
 

Preferred treatment options described

First-line treatment recommendations for ILD were based on the best available published evidence, voting panel expertise, and patient preferences. For SSc, the preferred treatment options include mycophenolate (CellCept), tocilizumab (Actemra), or rituximab (Rituxan and biosimilars), while additional options include cyclophosphamide, nintedanib (Ofev), and azathioprine. For myositis, the preferred treatment options include mycophenolate, azathioprine, rituximab, or calcineurin inhibitors, while additional options include a Janus kinase (JAK) inhibitor or cyclophosphamide. For MCTD, the preferred treatment options include mycophenolate, azathioprine, or rituximab, while additional options include tocilizumab or cyclophosphamide. For RA and Sjögren’s, the preferred treatment options include mycophenolate, azathioprine, or rituximab, while additional options include cyclophosphamide. Dr. Johnson emphasized that there was low certainty evidence to recommend one treatment over another. “Many situations might lead a provider to choose a different option for ILD treatment, such as the presence of comorbidities or extra-pulmonary disease,” she said. “So, while our guidelines were focused on effectiveness for ILD, providers may choose therapies that will help ILD and other disease manifestations.”

The guidelines conditionally recommend a short course of glucocorticoids as a bridging therapy or for treatment of a flare of ILD in patients with myositis, MCTD, RA, and Sjögren’s. The panel strongly recommends against the use of glucocorticoids in patients with SSc due to the concern for inducing a scleroderma renal crisis. “While this may be common knowledge for rheumatologists, it may not be common knowledge for pulmonologists,” she said. “So here is an opportunity to educate our pulmonology colleagues in our consultation notes.”

The guidelines also include recommendations for progression of ILD, which was defined using the INBUILD trial criteria. Mycophenolate is conditionally recommended to be the first ILD treatment for all SARDs when progression occurs, if it wasn’t the first ILD treatment used. “If it was, then other medications that rheumatologists are used to can be considered as the next ILD treatment in the face of progression: rituximab, nintedanib, tocilizumab, and cyclophosphamide,” she said. The guidelines include a conditional recommendation against long-term glucocorticoid use in myositis, MCTD, RA, and Sjögren’s, plus a strong recommendation against long-term glucocorticoid use in SSc. Finally, there is a conditional recommendation of referral for lung transplant evaluation at the appropriate time at experienced centers.

University of Toronto

A patient panel provided input

For the undertaking, a core team that included six rheumatologists; one pulmonologist; one thoracic radiologist; one expert on the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology; and two literature review experts developed clinically relevant population, intervention, comparator, and outcomes (PICO) questions. The literature review team included 13 rheumatologists, 8 pulmonologists, and 3 methodologists. Finally, a 21-member patient panel was convened to share their values and preferences regarding screening, monitoring, and treatment of SARD-related ILD. Of these, Dr. Bernstein said that 4 were at risk for ILD and 17 had been diagnosed with ILD. Next, the literature review team conducted a systematic review and used the GRADE methodology to rate the available evidence as high, moderate, low, or very low. Then, a voting panel comprising 13 rheumatologists, 10 pulmonologists, 1 radiologist, and 3 patients from the patient panel cast votes for each PICO question and made final recommendations.

The review of evidence left the guidelines authors with 241 PICO questions, “which is a lot,” Dr. Bernstein said. “To put this in perspective, some guidelines address only 10 or 15 PICO questions. Fortunately, we had a dedicated group of experts who were up to the challenge.” Dr. Johnson emphasized that the forthcoming guidelines should not be used by insurers to mandate a specific order of prescribing. “Clinicians must retain the latitude to prescribe medications based on individual patient factors and preferences,” she said.

Dr. Bernstein disclosed that she is an adviser to, a consultant for, and has received grant or research support from Boehringer Ingelheim and has also received grant or research support from Kadmon and Pfizer. Dr. Johnson disclosed that she has received research support from the American College of Rheumatology to develop these guidelines. She has also been an investigator for trials sponsored by Bristol-Myers Squibb, Roche, and Boehringer Ingelheim and has mitigated these relevant conflicts of interest 1 year prior to the development of these guidelines, and will continue to do so for the foreseeable future.

SAN DIEGO – In the spring of 2024, the American College of Rheumatology is expected to release guidelines to help inform the screening, monitoring, and treatment of interstitial lung disease (ILD) in people with systemic autoimmune rheumatic diseases (SARDs).

The guidelines, which were previewed during a session at the ACR’s annual meeting, will include 50 recommendations, 3 of which met criteria for a strong rating:

• For people with SARDs at increased risk of developing ILD, the authors strongly recommend against screening with surgical lung biopsy.
• For people with systemic sclerosis (SSc)-related ILD, the authors strongly recommend against glucocorticoids as a first-line ILD treatment.
• For people with SSc-related ILD progression despite an initial ILD treatment, the authors strongly recommend against using long-term glucocorticoids.

Elana J. Bernstein, MD, MSc, a rheumatologist who directs the Columbia/New York-Presbyterian Scleroderma Center, and Sindhu R. Johnson, MD, a rheumatologist who directs the Toronto Scleroderma Program at the University of Toronto, provided a sneak peek of the recommendations to attendees before anticipated publication in Arthritis & Rheumatology and Arthritis Care & Research. For now, guideline summaries for screening and monitoring and treatment are currently available, and three manuscripts are under peer review: one about screening and monitoring, one about treatment, and one about the patient panel that participated in the effort.

Pediatric patients with SARDs excluded

The guidelines’ population of interest was people 17 years of age and older who were diagnosed with SARDs with a high risk of ILD. Pediatric patients with SARDs were excluded from the endeavor, as were those with systemic lupus erythematosus, antineutrophil cytoplasmic antibody–associated vasculitis, sarcoidosis, ankylosing spondylitis, undifferentiated connective tissue disease, interstitial pneumonia with autoimmune features, and those with unclassifiable ILD.

In the realm of screening, the guideline authors conditionally recommend two screening tests for patients considered at increased risk of ILD: pulmonary function tests and high-resolution chest CT (HRCT). Pulmonary function tests should include spirometry, lung volumes, and diffusion capacity. “Office spirometry alone is insufficient,” said Dr. Johnson, who served as lead author of the guidelines. And while a HRCT scan is recommended, “some patients may present to the emergency room with acute onset shortness of breath, and they may receive a CT angiogram to screen for pulmonary embolism,” she said. “It’s important to note that CT angiograms are performed in incomplete inspiration to maximize pulmonary artery enhancement. This may produce atelectasis that may obscure or mimic ILD. As a result, CTA studies are often inadequate to screen for ILD.”

Once a patient is diagnosed with ILD, three tests are recommended for monitoring: pulmonary function testing (every 3-6 months the first year in patients with IIM and SSc, then less frequently once stable, and every 3-12 months in the first year in patients with RA, SjD, and MCTD, then less frequently once stable); ambulatory desaturation testing every 3-12 months; and HRCT as needed. Dr. Johnson noted that while that the screening of ILD lies within the realm of rheumatologists, “once a patient is diagnosed, we are encouraged to comanage these patients with pulmonologists,” she said. “Ambulatory desaturation testing is not an infrequent test in the hands of pulmonologists. This is where co-management can be helpful.” She characterized a 6-minute walk test with continuous oximetry as “insufficient and is not synonymous with ambulatory desaturation testing. Ambulatory desaturation testing includes up titration of oxygen if a patient desaturates.”

The guidelines conditionally recommend against using chest radiography, 6-minute walk test distance, ambulatory desaturation testing, and bronchoscopy for ILD screening, and there is a strong recommendation against surgical lung biopsy. “However, there are unique circumstances where these tests may be considered,” Dr. Johnson said. “For example, ambulatory desaturation testing may be helpful if a patient is unable to perform a pulmonary function test. Bronchoscopy may be used to rule out infection, sarcoidosis, lymphoma, or alveolar hemorrhage, and surgical lung biopsy may be considered if you’re trying to rule out a malignancy.”

Similarly, several tests are conditionally recommended against for the monitoring of ILD, including chest radiography, the 6-minute walk test distance, and bronchoscopy. “But there are unique circumstances where they may be considered,” she said. “The 6-minute walk test may be used if a patient is unable to perform a pulmonary function test or if they’re being assessed for lung transplantation. Bronchoscopy may be used to rule out infection or alveolar hemorrhage.”
 

Preferred treatment options described

First-line treatment recommendations for ILD were based on the best available published evidence, voting panel expertise, and patient preferences. For SSc, the preferred treatment options include mycophenolate (CellCept), tocilizumab (Actemra), or rituximab (Rituxan and biosimilars), while additional options include cyclophosphamide, nintedanib (Ofev), and azathioprine. For myositis, the preferred treatment options include mycophenolate, azathioprine, rituximab, or calcineurin inhibitors, while additional options include a Janus kinase (JAK) inhibitor or cyclophosphamide. For MCTD, the preferred treatment options include mycophenolate, azathioprine, or rituximab, while additional options include tocilizumab or cyclophosphamide. For RA and Sjögren’s, the preferred treatment options include mycophenolate, azathioprine, or rituximab, while additional options include cyclophosphamide. Dr. Johnson emphasized that there was low certainty evidence to recommend one treatment over another. “Many situations might lead a provider to choose a different option for ILD treatment, such as the presence of comorbidities or extra-pulmonary disease,” she said. “So, while our guidelines were focused on effectiveness for ILD, providers may choose therapies that will help ILD and other disease manifestations.”

The guidelines conditionally recommend a short course of glucocorticoids as a bridging therapy or for treatment of a flare of ILD in patients with myositis, MCTD, RA, and Sjögren’s. The panel strongly recommends against the use of glucocorticoids in patients with SSc due to the concern for inducing a scleroderma renal crisis. “While this may be common knowledge for rheumatologists, it may not be common knowledge for pulmonologists,” she said. “So here is an opportunity to educate our pulmonology colleagues in our consultation notes.”

The guidelines also include recommendations for progression of ILD, which was defined using the INBUILD trial criteria. Mycophenolate is conditionally recommended to be the first ILD treatment for all SARDs when progression occurs, if it wasn’t the first ILD treatment used. “If it was, then other medications that rheumatologists are used to can be considered as the next ILD treatment in the face of progression: rituximab, nintedanib, tocilizumab, and cyclophosphamide,” she said. The guidelines include a conditional recommendation against long-term glucocorticoid use in myositis, MCTD, RA, and Sjögren’s, plus a strong recommendation against long-term glucocorticoid use in SSc. Finally, there is a conditional recommendation of referral for lung transplant evaluation at the appropriate time at experienced centers.

University of Toronto

A patient panel provided input

For the undertaking, a core team that included six rheumatologists; one pulmonologist; one thoracic radiologist; one expert on the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology; and two literature review experts developed clinically relevant population, intervention, comparator, and outcomes (PICO) questions. The literature review team included 13 rheumatologists, 8 pulmonologists, and 3 methodologists. Finally, a 21-member patient panel was convened to share their values and preferences regarding screening, monitoring, and treatment of SARD-related ILD. Of these, Dr. Bernstein said that 4 were at risk for ILD and 17 had been diagnosed with ILD. Next, the literature review team conducted a systematic review and used the GRADE methodology to rate the available evidence as high, moderate, low, or very low. Then, a voting panel comprising 13 rheumatologists, 10 pulmonologists, 1 radiologist, and 3 patients from the patient panel cast votes for each PICO question and made final recommendations.

The review of evidence left the guidelines authors with 241 PICO questions, “which is a lot,” Dr. Bernstein said. “To put this in perspective, some guidelines address only 10 or 15 PICO questions. Fortunately, we had a dedicated group of experts who were up to the challenge.” Dr. Johnson emphasized that the forthcoming guidelines should not be used by insurers to mandate a specific order of prescribing. “Clinicians must retain the latitude to prescribe medications based on individual patient factors and preferences,” she said.

Dr. Bernstein disclosed that she is an adviser to, a consultant for, and has received grant or research support from Boehringer Ingelheim and has also received grant or research support from Kadmon and Pfizer. Dr. Johnson disclosed that she has received research support from the American College of Rheumatology to develop these guidelines. She has also been an investigator for trials sponsored by Bristol-Myers Squibb, Roche, and Boehringer Ingelheim and has mitigated these relevant conflicts of interest 1 year prior to the development of these guidelines, and will continue to do so for the foreseeable future.

SAN DIEGO – In the spring of 2024, the American College of Rheumatology is expected to release guidelines to help inform the screening, monitoring, and treatment of interstitial lung disease (ILD) in people with systemic autoimmune rheumatic diseases (SARDs).

The guidelines, which were previewed during a session at the ACR’s annual meeting, will include 50 recommendations, 3 of which met criteria for a strong rating:

• For people with SARDs at increased risk of developing ILD, the authors strongly recommend against screening with surgical lung biopsy.
• For people with systemic sclerosis (SSc)-related ILD, the authors strongly recommend against glucocorticoids as a first-line ILD treatment.
• For people with SSc-related ILD progression despite an initial ILD treatment, the authors strongly recommend against using long-term glucocorticoids.

Elana J. Bernstein, MD, MSc, a rheumatologist who directs the Columbia/New York-Presbyterian Scleroderma Center, and Sindhu R. Johnson, MD, a rheumatologist who directs the Toronto Scleroderma Program at the University of Toronto, provided a sneak peek of the recommendations to attendees before anticipated publication in Arthritis & Rheumatology and Arthritis Care & Research. For now, guideline summaries for screening and monitoring and treatment are currently available, and three manuscripts are under peer review: one about screening and monitoring, one about treatment, and one about the patient panel that participated in the effort.

Pediatric patients with SARDs excluded

The guidelines’ population of interest was people 17 years of age and older who were diagnosed with SARDs with a high risk of ILD. Pediatric patients with SARDs were excluded from the endeavor, as were those with systemic lupus erythematosus, antineutrophil cytoplasmic antibody–associated vasculitis, sarcoidosis, ankylosing spondylitis, undifferentiated connective tissue disease, interstitial pneumonia with autoimmune features, and those with unclassifiable ILD.

In the realm of screening, the guideline authors conditionally recommend two screening tests for patients considered at increased risk of ILD: pulmonary function tests and high-resolution chest CT (HRCT). Pulmonary function tests should include spirometry, lung volumes, and diffusion capacity. “Office spirometry alone is insufficient,” said Dr. Johnson, who served as lead author of the guidelines. And while a HRCT scan is recommended, “some patients may present to the emergency room with acute onset shortness of breath, and they may receive a CT angiogram to screen for pulmonary embolism,” she said. “It’s important to note that CT angiograms are performed in incomplete inspiration to maximize pulmonary artery enhancement. This may produce atelectasis that may obscure or mimic ILD. As a result, CTA studies are often inadequate to screen for ILD.”

Once a patient is diagnosed with ILD, three tests are recommended for monitoring: pulmonary function testing (every 3-6 months the first year in patients with IIM and SSc, then less frequently once stable, and every 3-12 months in the first year in patients with RA, SjD, and MCTD, then less frequently once stable); ambulatory desaturation testing every 3-12 months; and HRCT as needed. Dr. Johnson noted that while that the screening of ILD lies within the realm of rheumatologists, “once a patient is diagnosed, we are encouraged to comanage these patients with pulmonologists,” she said. “Ambulatory desaturation testing is not an infrequent test in the hands of pulmonologists. This is where co-management can be helpful.” She characterized a 6-minute walk test with continuous oximetry as “insufficient and is not synonymous with ambulatory desaturation testing. Ambulatory desaturation testing includes up titration of oxygen if a patient desaturates.”

The guidelines conditionally recommend against using chest radiography, 6-minute walk test distance, ambulatory desaturation testing, and bronchoscopy for ILD screening, and there is a strong recommendation against surgical lung biopsy. “However, there are unique circumstances where these tests may be considered,” Dr. Johnson said. “For example, ambulatory desaturation testing may be helpful if a patient is unable to perform a pulmonary function test. Bronchoscopy may be used to rule out infection, sarcoidosis, lymphoma, or alveolar hemorrhage, and surgical lung biopsy may be considered if you’re trying to rule out a malignancy.”

Similarly, several tests are conditionally recommended against for the monitoring of ILD, including chest radiography, the 6-minute walk test distance, and bronchoscopy. “But there are unique circumstances where they may be considered,” she said. “The 6-minute walk test may be used if a patient is unable to perform a pulmonary function test or if they’re being assessed for lung transplantation. Bronchoscopy may be used to rule out infection or alveolar hemorrhage.”
 

Preferred treatment options described

First-line treatment recommendations for ILD were based on the best available published evidence, voting panel expertise, and patient preferences. For SSc, the preferred treatment options include mycophenolate (CellCept), tocilizumab (Actemra), or rituximab (Rituxan and biosimilars), while additional options include cyclophosphamide, nintedanib (Ofev), and azathioprine. For myositis, the preferred treatment options include mycophenolate, azathioprine, rituximab, or calcineurin inhibitors, while additional options include a Janus kinase (JAK) inhibitor or cyclophosphamide. For MCTD, the preferred treatment options include mycophenolate, azathioprine, or rituximab, while additional options include tocilizumab or cyclophosphamide. For RA and Sjögren’s, the preferred treatment options include mycophenolate, azathioprine, or rituximab, while additional options include cyclophosphamide. Dr. Johnson emphasized that there was low certainty evidence to recommend one treatment over another. “Many situations might lead a provider to choose a different option for ILD treatment, such as the presence of comorbidities or extra-pulmonary disease,” she said. “So, while our guidelines were focused on effectiveness for ILD, providers may choose therapies that will help ILD and other disease manifestations.”

The guidelines conditionally recommend a short course of glucocorticoids as a bridging therapy or for treatment of a flare of ILD in patients with myositis, MCTD, RA, and Sjögren’s. The panel strongly recommends against the use of glucocorticoids in patients with SSc due to the concern for inducing a scleroderma renal crisis. “While this may be common knowledge for rheumatologists, it may not be common knowledge for pulmonologists,” she said. “So here is an opportunity to educate our pulmonology colleagues in our consultation notes.”

The guidelines also include recommendations for progression of ILD, which was defined using the INBUILD trial criteria. Mycophenolate is conditionally recommended to be the first ILD treatment for all SARDs when progression occurs, if it wasn’t the first ILD treatment used. “If it was, then other medications that rheumatologists are used to can be considered as the next ILD treatment in the face of progression: rituximab, nintedanib, tocilizumab, and cyclophosphamide,” she said. The guidelines include a conditional recommendation against long-term glucocorticoid use in myositis, MCTD, RA, and Sjögren’s, plus a strong recommendation against long-term glucocorticoid use in SSc. Finally, there is a conditional recommendation of referral for lung transplant evaluation at the appropriate time at experienced centers.

University of Toronto

A patient panel provided input

For the undertaking, a core team that included six rheumatologists; one pulmonologist; one thoracic radiologist; one expert on the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology; and two literature review experts developed clinically relevant population, intervention, comparator, and outcomes (PICO) questions. The literature review team included 13 rheumatologists, 8 pulmonologists, and 3 methodologists. Finally, a 21-member patient panel was convened to share their values and preferences regarding screening, monitoring, and treatment of SARD-related ILD. Of these, Dr. Bernstein said that 4 were at risk for ILD and 17 had been diagnosed with ILD. Next, the literature review team conducted a systematic review and used the GRADE methodology to rate the available evidence as high, moderate, low, or very low. Then, a voting panel comprising 13 rheumatologists, 10 pulmonologists, 1 radiologist, and 3 patients from the patient panel cast votes for each PICO question and made final recommendations.

The review of evidence left the guidelines authors with 241 PICO questions, “which is a lot,” Dr. Bernstein said. “To put this in perspective, some guidelines address only 10 or 15 PICO questions. Fortunately, we had a dedicated group of experts who were up to the challenge.” Dr. Johnson emphasized that the forthcoming guidelines should not be used by insurers to mandate a specific order of prescribing. “Clinicians must retain the latitude to prescribe medications based on individual patient factors and preferences,” she said.

Dr. Bernstein disclosed that she is an adviser to, a consultant for, and has received grant or research support from Boehringer Ingelheim and has also received grant or research support from Kadmon and Pfizer. Dr. Johnson disclosed that she has received research support from the American College of Rheumatology to develop these guidelines. She has also been an investigator for trials sponsored by Bristol-Myers Squibb, Roche, and Boehringer Ingelheim and has mitigated these relevant conflicts of interest 1 year prior to the development of these guidelines, and will continue to do so for the foreseeable future.

SAN DIEGO – Treatment with benralizumab (Fasenra) achieved remission at 36 and 48 weeks at rates similar to those of mepolizumab (Nucala) in a head-to-head phase 3 trial of the two drugs for patients with a relapsing or refractory case of the rare vasculitis eosinophilic granulomatosis with polyangiitis (EGPA).

Benralizumab, a monoclonal antibody from AstraZeneca that binds to the alpha chain of the interleukin (IL)-5 receptor, is indicated as an add-on maintenance treatment for patients 12 years and older with severe eosinophilic asthma but is not currently approved for EGPA. Mepolizumab is a humanized monoclonal antibody targeting IL-5 and the only approved drug for EGPA.

Peter A. Merkel, MD, presented the trial, known as MANDARA, during a late-breaking poster session at the annual meeting of the American College of Rheumatology. A total of 140 patients with EGPA received either subcutaneous benralizumab 30 mg or mepolizumab 300 mg every 4 weeks for 52 weeks. The trial, which began recruitment in late 2019, was limited to patients at least 18 years of age with relapsing/refractory EGPA that required stable use of oral glucocorticoids (OGCs) and immunosuppressive therapy for at least 4 weeks prior to randomization, and the primary endpoint was the proportion of patients who achieved remission at weeks 36 and 48. Remission was defined as a Birmingham Vasculitis Activity Score (BVAS) of 0 plus an OGC dose of no more than 4 mg/day. Secondary endpoints included rates of accrued and maintained remission, OGC use, clinical benefit and complete response, blood eosinophil counts, total BVAS, and Vascular Damage Index scores. The mean age of the 140 patients was 52 years, and 60% were women.

Dr. Merkel and colleagues reported that the adjusted remission rate at both weeks 36 and 48 was 59.2% for those in the benralizumab arm and 56.5% for those in the mepolizumab arm (P = .7278). The percentage of patients who achieved a BVAS of 0 was similar between the two arms (83% in the benralizumab arm vs. 84.2% for those in the mepolizumab arm; P = .8502), as was the percentage of patients on an OGC dose of up to 4 mg/day (62.1% vs. 57.9%; P = .5942). At 48-52 weeks, 86.1% of patients in the benralizumab arm achieved up to a 50% reduction in OGC use, compared with 73.9% of those in the mepolizumab arm (P = .0611), and 41.4% of patients in the benralizumab arm achieved a 100% reduction in OGC use, compared with 25.8% of those in the mepolizumab arm (P = .0406).

In findings related to safety, the top three adverse events were COVID-19 (21.4% in the benralizumab arm vs. 27.1% in the mepolizumab arm, respectively), headache (17.1% vs. 15.7%), and arthralgia (17.1% vs. 11.4%).

“We were pleased with the findings because they met our expectations,” Dr. Merkel, chief of rheumatology and professor of medicine and epidemiology at the University of Pennsylvania, Philadelphia, said in an interview. “The hypothesis was that these two drugs would be equivalent and safe. The implication for patients is that they’ll have another treatment option for EGPA, which is an underrecognized disease with need for more effective treatments. I anticipate that the drug will be approved for use in EGPA, providing another option for treating this complicated multisystem eosinophilic-associated disease. Having more options for our biologic therapies is good.”

He characterized the retention of patients in MANDARA as “remarkable, despite the COVID-19 pandemic. Patients with rare diseases are quite dedicated to helping conduct research. They know that their disease is not common and that they could help others.”

The study was sponsored and funded by AstraZeneca. Dr. Merkel disclosed that he has received consulting fees and research support from many pharmaceutical companies, including AstraZeneca.

SAN DIEGO – Treatment with benralizumab (Fasenra) achieved remission at 36 and 48 weeks at rates similar to those of mepolizumab (Nucala) in a head-to-head phase 3 trial of the two drugs for patients with a relapsing or refractory case of the rare vasculitis eosinophilic granulomatosis with polyangiitis (EGPA).

Benralizumab, a monoclonal antibody from AstraZeneca that binds to the alpha chain of the interleukin (IL)-5 receptor, is indicated as an add-on maintenance treatment for patients 12 years and older with severe eosinophilic asthma but is not currently approved for EGPA. Mepolizumab is a humanized monoclonal antibody targeting IL-5 and the only approved drug for EGPA.

Peter A. Merkel, MD, presented the trial, known as MANDARA, during a late-breaking poster session at the annual meeting of the American College of Rheumatology. A total of 140 patients with EGPA received either subcutaneous benralizumab 30 mg or mepolizumab 300 mg every 4 weeks for 52 weeks. The trial, which began recruitment in late 2019, was limited to patients at least 18 years of age with relapsing/refractory EGPA that required stable use of oral glucocorticoids (OGCs) and immunosuppressive therapy for at least 4 weeks prior to randomization, and the primary endpoint was the proportion of patients who achieved remission at weeks 36 and 48. Remission was defined as a Birmingham Vasculitis Activity Score (BVAS) of 0 plus an OGC dose of no more than 4 mg/day. Secondary endpoints included rates of accrued and maintained remission, OGC use, clinical benefit and complete response, blood eosinophil counts, total BVAS, and Vascular Damage Index scores. The mean age of the 140 patients was 52 years, and 60% were women.

Dr. Merkel and colleagues reported that the adjusted remission rate at both weeks 36 and 48 was 59.2% for those in the benralizumab arm and 56.5% for those in the mepolizumab arm (P = .7278). The percentage of patients who achieved a BVAS of 0 was similar between the two arms (83% in the benralizumab arm vs. 84.2% for those in the mepolizumab arm; P = .8502), as was the percentage of patients on an OGC dose of up to 4 mg/day (62.1% vs. 57.9%; P = .5942). At 48-52 weeks, 86.1% of patients in the benralizumab arm achieved up to a 50% reduction in OGC use, compared with 73.9% of those in the mepolizumab arm (P = .0611), and 41.4% of patients in the benralizumab arm achieved a 100% reduction in OGC use, compared with 25.8% of those in the mepolizumab arm (P = .0406).

In findings related to safety, the top three adverse events were COVID-19 (21.4% in the benralizumab arm vs. 27.1% in the mepolizumab arm, respectively), headache (17.1% vs. 15.7%), and arthralgia (17.1% vs. 11.4%).

“We were pleased with the findings because they met our expectations,” Dr. Merkel, chief of rheumatology and professor of medicine and epidemiology at the University of Pennsylvania, Philadelphia, said in an interview. “The hypothesis was that these two drugs would be equivalent and safe. The implication for patients is that they’ll have another treatment option for EGPA, which is an underrecognized disease with need for more effective treatments. I anticipate that the drug will be approved for use in EGPA, providing another option for treating this complicated multisystem eosinophilic-associated disease. Having more options for our biologic therapies is good.”

He characterized the retention of patients in MANDARA as “remarkable, despite the COVID-19 pandemic. Patients with rare diseases are quite dedicated to helping conduct research. They know that their disease is not common and that they could help others.”

The study was sponsored and funded by AstraZeneca. Dr. Merkel disclosed that he has received consulting fees and research support from many pharmaceutical companies, including AstraZeneca.

SAN DIEGO – Treatment with benralizumab (Fasenra) achieved remission at 36 and 48 weeks at rates similar to those of mepolizumab (Nucala) in a head-to-head phase 3 trial of the two drugs for patients with a relapsing or refractory case of the rare vasculitis eosinophilic granulomatosis with polyangiitis (EGPA).

Benralizumab, a monoclonal antibody from AstraZeneca that binds to the alpha chain of the interleukin (IL)-5 receptor, is indicated as an add-on maintenance treatment for patients 12 years and older with severe eosinophilic asthma but is not currently approved for EGPA. Mepolizumab is a humanized monoclonal antibody targeting IL-5 and the only approved drug for EGPA.

Peter A. Merkel, MD, presented the trial, known as MANDARA, during a late-breaking poster session at the annual meeting of the American College of Rheumatology. A total of 140 patients with EGPA received either subcutaneous benralizumab 30 mg or mepolizumab 300 mg every 4 weeks for 52 weeks. The trial, which began recruitment in late 2019, was limited to patients at least 18 years of age with relapsing/refractory EGPA that required stable use of oral glucocorticoids (OGCs) and immunosuppressive therapy for at least 4 weeks prior to randomization, and the primary endpoint was the proportion of patients who achieved remission at weeks 36 and 48. Remission was defined as a Birmingham Vasculitis Activity Score (BVAS) of 0 plus an OGC dose of no more than 4 mg/day. Secondary endpoints included rates of accrued and maintained remission, OGC use, clinical benefit and complete response, blood eosinophil counts, total BVAS, and Vascular Damage Index scores. The mean age of the 140 patients was 52 years, and 60% were women.

Dr. Merkel and colleagues reported that the adjusted remission rate at both weeks 36 and 48 was 59.2% for those in the benralizumab arm and 56.5% for those in the mepolizumab arm (P = .7278). The percentage of patients who achieved a BVAS of 0 was similar between the two arms (83% in the benralizumab arm vs. 84.2% for those in the mepolizumab arm; P = .8502), as was the percentage of patients on an OGC dose of up to 4 mg/day (62.1% vs. 57.9%; P = .5942). At 48-52 weeks, 86.1% of patients in the benralizumab arm achieved up to a 50% reduction in OGC use, compared with 73.9% of those in the mepolizumab arm (P = .0611), and 41.4% of patients in the benralizumab arm achieved a 100% reduction in OGC use, compared with 25.8% of those in the mepolizumab arm (P = .0406).

In findings related to safety, the top three adverse events were COVID-19 (21.4% in the benralizumab arm vs. 27.1% in the mepolizumab arm, respectively), headache (17.1% vs. 15.7%), and arthralgia (17.1% vs. 11.4%).

“We were pleased with the findings because they met our expectations,” Dr. Merkel, chief of rheumatology and professor of medicine and epidemiology at the University of Pennsylvania, Philadelphia, said in an interview. “The hypothesis was that these two drugs would be equivalent and safe. The implication for patients is that they’ll have another treatment option for EGPA, which is an underrecognized disease with need for more effective treatments. I anticipate that the drug will be approved for use in EGPA, providing another option for treating this complicated multisystem eosinophilic-associated disease. Having more options for our biologic therapies is good.”

He characterized the retention of patients in MANDARA as “remarkable, despite the COVID-19 pandemic. Patients with rare diseases are quite dedicated to helping conduct research. They know that their disease is not common and that they could help others.”

The study was sponsored and funded by AstraZeneca. Dr. Merkel disclosed that he has received consulting fees and research support from many pharmaceutical companies, including AstraZeneca.