Summaries of selected research abstracts on ANCA-associated vasculitis & IgA vasculitis from the International Vasculitis Workshop.
Trimethoprim Sulfamethoxazole Prophylaxis & Infections in Patients with GPA
SAN DIEGO—In their study, Effect of Trimethoprim Sulfamethoxazole Prophylaxis on Infections During Treatment of Granulomatosis with Polyangiitis with Rituximab: A Population-Based Study, Mendel et al. assessed the relationship between trimethoprim sulfamethoxazole (TMP-SMX) and infection in patients undergoing treatment for granulomatosis with polyangiitis (GPA). Background/Purpose Infections during treatment of anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis (AAV)…
Reduced-Dose Glucocorticoids for GPA & Microscopic Polyangiitis
SAN DIEGO—In a study titled Real-Life Use of the PEXIVAS Reduced-dose Glucocorticoid Regimen in Granulomatosis with Polyangiitis and Microscopic Polyangiitis, Nagle et al. evaluated the efficacy and safety of the reduced-dose glucocorticoid regimen in a real-world setting. Background/Purpose Glucocorticoids (GCs) in combination with rituximab (RTX) or cyclophosphamide are the cornerstone of treatment for patients with…
Top Research in ANCA-Associated Vasculitis Presented at ACR Convergence 2023
SAN DIEGO—Vasculitis expert and former editor of The Rheumatologist, Dr. Philip Seo gives us his picks for the 10 most important abstracts in ANCA-associated vasculitis to come out of ACR Convergence 2023.
Case Report: GPA Presenting as Neuropathy
Granulomatosis with polyangiitis (GPA), is a type of anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis (AAV) that affects small- to medium-sized vessels.1 It can occur equally in both men and women, with a reported mean age at onset of 55 years.2 The classical presentation of GPA includes upper respiratory tract (i.e., chronic sinusitis, serous otitis and…
Mortality from Anti-neutrophil Cytoplasmic Autoantibody-Associated Vasculitis Falling Slightly
NEW YORK (Reuters Health)—Mortality rates in patients with antineutrophil cytoplasmic autoantibody-associated vasculitis (AAV) decreased from 1999 to 2017, according to records from the Centers for Disease Control and Prevention (CDC). “The mortality attributed to several rare diseases [e.g., hypersensitivity pneumonitis] has increased in recent years,” Alexander W. Steinberg, MD, from Saint Joseph Hospital, Denver, tells…
Rituximab Use Increasing in Treatment of Pediatric Vasculitis
According to a large cohort study of pediatric patients, rituximab use is on the rise in the treatment of children diagnosed with vasculitis. Treatment with cyclophosphamide remains common, but it’s beginning to wane. Dialysis and mechanical ventilation also remain common, the study indicates. The retrospective study of hospitalized children in the U.S. included the largest…