Abstract Number: 1553 • ACR Convergence 2023
Central Nervous System Involvement and Mimickers in ANCA Associated Vasculitis
Background/Purpose: Central nervous system (CNS) involvement is rare in ANCA associated vasculitis (AAV). On the other hand, AAV patients may develop complications or other conditions…Abstract Number: 1584 • ACR Convergence 2023
Effect of Trimethoprim Sulfamethoxazole Prophylaxis on Infections During Treatment of Granulomatosis with Polyangiitis with Rituximab: A Population-Based Study
Background/Purpose: Infections during treatment of ANCA-associated vasculitis (AAV) lead to excess mortality. Trimethoprim sulfamethoxazole (TMP-SMX), recommended for pneumocystis jirovecii pneumonia (PJP) prophylaxis, has broad antimicrobial…Abstract Number: 2375 • ACR Convergence 2023
Clinical Characteristics of ANCA-associated Vasculitis with High Levels of Serum Interleukin 7
Background/Purpose: Interleukin 7 (IL-7) is a hematopoietic growth factor produced by stromal cells in the bone marrow and thymus, which is indispensable in maintaining immune…Abstract Number: 1084 • ACR Convergence 2022
Rituximab versus Cyclophosphamide for Induction Therapy in Granulomatosis with Polyangiitis: A Target Trial Emulation Study
Background/Purpose: Randomized controlled trials showed rituximab (RTX)'s non-inferiority to cyclophosphamide (CYC) for induction therapy of ANCA-associated vasculitis and neither treatment was favoured in granulomatosis with…Abstract Number: 1948 • ACR Convergence 2022
Clinical Characteristics and Outcomes of Pediatric ANCA-Associated Vasculitis Patients: Single-Center Inception Cohort
Background/Purpose: ANCA associated vasculitis (AAV) is a chronic autoimmune disorder characterized by ANCA production and small vessel inflammation and necrosis. ANCA autoantigen targets include myeloperoxidase…Abstract Number: 0439 • ACR Convergence 2022
Clinical Characteristics of Patients with ANCA-Associated Vasculitis with and Without Alpha-1 Antitrypsin Deficiency Alleles
Background/Purpose: There are multiple reasons to suspect that alpha-1 antitrypsin (A1AT) genotype impacts disease characteristics in ANCA-associated vasculitis (AAV). A1AT serves as the predominant endogenous…Abstract Number: 0442 • ACR Convergence 2022
Induction Therapy Patterns for Severe ANCA-associated Vasculitis Differ Based on Physician Specialty, Expertise, and Practice Setting: An International Survey
Background/Purpose: Therapies for ANCA-associated vasculitis (AAV) have evolved over the last 3 decades. In light of new data on plasma exchange (PLEX) and glucocorticoid (GC)…Abstract Number: 0453 • ACR Convergence 2022
Validation of the 2022 – American College of Rheumatology/European Alliance of Associations for Rheumatology Classification Criteria in Patients with ANCA Associated Vasculitis
Background/Purpose: The purpose of this study was to validate the recently published 2022 American College of Rheumatology/European Alliance of Associations for Rheumatology Classification Criteria for…Abstract Number: 0454 • ACR Convergence 2022
Advantages and Disadvantages in Applying 2022 ACR/EULAR Classification Criteria to Conventionally Diagnosed Japanese GPA Patients
Background/Purpose: The Chapel Hill Consensus Conference and the European Medicines Agency algorithm were commonly used to diagnose patients with granulomatosis with polyangiitis (GPA) 1). Recently…Abstract Number: 0455 • ACR Convergence 2022
Performance of 2022 American College of Rheumatology/European Alliance of Associations for Rheumatology Classification Criteria in Turkish Vasculitis Patients
Background/Purpose: The American College of Rheumatology (ACR)-1990 criteria is the most used method for the classification of ANCA Associated Vasculitis (AAV). However, with ACR-1990 criteria,…Abstract Number: 0457 • ACR Convergence 2022
A Systematic Literature Review Informing the 2022 Update of the EULAR Recommendations for the Management of ANCA-associated Vasculitis
Background/Purpose: Since the publication of the 2016 European Alliance of Associations for Rheumatology (EULAR) recommendations for the management of ANCA-associated vasculitis (AAV), the publication of…Abstract Number: 0526 • ACR Convergence 2022
Characteristics and Outcomes of Participants with and Without Diffuse Alveolar Hemorrhage in the Plasma Exchange and Glucocorticoids in Severe ANCA-Associated Vasculitis (PEXIVAS) Trial
Background/Purpose: Diffuse alveolar hemorrhage (DAH) is a potentially life-threatening manifestation of ANCA-associated vasculitis (AAV). Studies describing patients with DAH in AAV have typically been small…Abstract Number: 0527 • ACR Convergence 2022
Rituximab as Maintenance Therapy for ANCA-associated Vasculitides: Pooled Analysis and Long-term Outcome of MAINRITSAN Trials
Background/Purpose: Maintenance therapy after induction of remission has been shown to reduce relapse rate and mortality in anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis. The three MAINRITSAN…Abstract Number: 0528 • ACR Convergence 2022
Nasal Epithelial Gene Expression Profiling Preceding Relapse in Patients with Granulomatosis with Polyangiitis
Background/Purpose: Predicting relapse is a major challenge in granulomatosis with polyangiitis (GPA). We previously demonstrated changes in the nasal microbiota, particularly Corynebacterium tuberculostearicum, prior to…Abstract Number: 1071 • ACR Convergence 2022
Trimethoprim Sulfamethoxazole Use in Patients with Granulomatosis with Polyangiitis Treated with Rituximab
Background/Purpose: Trimethoprim sulfamethoxazole (TMP-SMX) prophylaxis is recommended during induction of ANCA-associated vasculitis (AAV) to prevent pneumocystis jirovecii pneumonia (PJP), and may also reduce the risk…