Abstract Number: 1608 • ACR Convergence 2024
Interstitial Lung Disease in ANCA-associated Vasculitis: A Retrospective Study of Clinical Characteristics, Radiographic Features, and Outcomes
Background/Purpose: Interstitial lung disease (ILD) is a significant manifestation of antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), including granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA), and…Abstract Number: 2181 • ACR Convergence 2024
Large Pediatric Cohort with ANCA-associated Vasculitis at a Single Institution: Patient Characteristics, Clinical Course, and Outcomes
Background/Purpose: Anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV) is an understudied, chronic inflammatory disease in children with significant morbidity and mortality. There are few large pediatric cohorts…Abstract Number: 2478 • ACR Convergence 2024
Avacopan versus a Prednisone Taper in Patients with ANCA-Associated Vasculitis Without Kidney Involvement in a Phase 3 Trial
Background/Purpose: Granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA) are subtypes of ANCA-associated vasculitis that frequently involve the kidneys. However, a subset of patients with…Abstract Number: 2480 • ACR Convergence 2024
Avacopan versus a Prednisone Taper in Patients with ANCA-Associated Vasculitis and Ear, Nose, or Throat Involvement in a Phase 3 Trial
Background/Purpose: In the phase 3 ADVOCATE trial, 45.2% and 42.1% of patients in the avacopan and prednisone taper groups, respectively, had active ear, nose, or…Abstract Number: 2485 • ACR Convergence 2024
Orbital Pseudotumor in Granulomatosis with Polyangiitis. Interim Analysis of Clinical Outcomes from a European Collaborative Observational Study
Background/Purpose: Orbital Pseudotumor (OPT) is a rare organ-threatening manifestation of Granulomatosis with Polyangiitis (GPA), with severe prognosis and historically refractory to most treatments. This is…Abstract Number: 2486 • ACR Convergence 2024
Glucocorticoids May Mitigate the Risk of Avacopan-Induced Liver Dysfunction in ANCA-Associated Vasculitis: Data from a Multicenter Observational Study in Japan
Background/Purpose: Avacopan, a C5a receptor inhibitor, has emerged as a novel treatment for ANCA-associated vasculitis (AAV), providing an alternative to glucocorticoids1. Despite its promising potential,…Abstract Number: 2488 • ACR Convergence 2024
Patient Characteristics and Treatment Patterns Before and After Initiation of Avacopan in the United States: An Early View Based on a Claims Database Analysis
Background/Purpose: The United States (US) Food and Drug Administration approved avacopan to treat adults with severe active granulomatosis with polyangiitis or microscopic polyangiitis in October…Abstract Number: 2689 • ACR Convergence 2024
Characterization of Alpha-1 Antitrypsin Function in ANCA-Associated Vasculitis
Background/Purpose: Two separate genome-wide association studies demonstrated that polymorphisms in SERPINA1, encoding serine protease inhibitor alpha-1 antitrypsin (A1AT), are associated with increased risk of developing…Abstract Number: 0697 • ACR Convergence 2024
Association of ANCA-Associated Vasculitis and Development of SSc and SSc-Associated Antibodies: Impact of Pulmonary Arterial Hypertension
Background/Purpose: Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a spectrum of autoimmune disorders characterized by necrotizing small-to-medium vessel inflammation and circulating ANCAs. Represented by granulomatosis…Abstract Number: 0719 • ACR Convergence 2024
Risk of Vertebral Fracture in Individuals with Granulomatosis with Polyangiitis and End-Stage Renal Disease
Background/Purpose: End-stage renal disease (ESRD) secondary to vasculitis is linked to a higher risk of vertebral fractures compared to other causes of ESRD. It remains…Abstract Number: 0721 • ACR Convergence 2024
Does Serial ANCA Testing Help Predict the Risk of Relapse in Granulomatosis with Polyangiitis? A Single-center Cohort Study
Background/Purpose: ANCA-associated vasculitis (AAV) is a frequently relapsing disease for which a meta-analysis concluded that an increase or persistence of ANCA during remission is only…Abstract Number: 0703 • ACR Convergence 2023
Cardiovascular Disease-Related Mortality in Primary Systemic Vasculitis
Background/Purpose: Cardiovascular disease (CVD) is the leading cause of death in patients with the most common subtypes of primary systemic vasculitides. We aimed to estimate…Abstract Number: 0725 • ACR Convergence 2023
Real-life Use of the PEXIVAS Reduced-dose Glucocorticoid Regimen in Granulomatosis with Polyangiitis and Microscopic Polyangiitis
Background/Purpose: Glucocorticoids (GCs) in combination with rituximab (RTX) or cyclophosphamide are the cornerstone of treatment for patients with severe granulomatosis with polyangiitis (GPA) and microscopic…Abstract Number: 0857 • ACR Convergence 2023
Change in Albuminuria in Patients with ANCA-Associated Vasculitis Treated with Avacopan
Background/Purpose: Urinary albumin:creatinine ratio (UACR) is an important biomarker of active glomerulonephritis, a common complication of antineutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis (AAV). In most glomerular…Abstract Number: 1535 • ACR Convergence 2023
Epidemiology and Treatment Outcome of ANCA-associated Vasculitis in South Korea: A Nationwide, Population-based Cohort Study
Background/Purpose: Previous studies on AAV have shown that the epidemiology and clinical features of GPA and MPA differ among countries. Considering their high mortality and…
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