Abstract Number: 0686 • ACR Convergence 2023
Safety and Efficacy of Avacopan in Patients 65 Years and Older with ANCA-Associated Vasculitis
Background/Purpose: Older adults are at increased risk of glucocorticoid (GC)-related toxicity; minimization of GCs is a major focus for treatment of patients with ANCA-associated vasculitis…Abstract Number: 0689 • ACR Convergence 2023
Use of Avacopan in Patients with ANCA-associated Vasculitis and Estimated Glomerular Filtration Rate < 15 mL/min/1.73m2
Background/Purpose: Glomerulonephritis represents a severe manifestation of anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis (AAV) and is associated with substantial morbidity and mortality. Therefore, maximal recovery…Abstract Number: 0690 • ACR Convergence 2023
Treating Patients with ANCA-Associated Vasculitis and Very Severe Renal Injury with an Intensified B Cell Depletion Therapy: Comparison with a Control Cohort Receiving a Conventional Therapy
Background/Purpose: Rituximab (RTX), an anti-CD20 monoclonal antibody, has shown to be an effective induction treatment for small-vessel vasculitides associated with antineutrophil cytoplasm antibodies (AAV) in…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…Abstract Number: 1072 • ACR Convergence 2022
Efficacy and Safety Assessment of a Rituximab Biosimilar in Patients with Granulomatosis with Polyangiitis (GPA)
Background/Purpose: A biosimilar is a medication that is highly similar to a biologic agent that is already approved by a regulatory organization. Considering the share…Abstract Number: 1080 • ACR Convergence 2022
Performance of Risk Prediction Models for Relapse and Severe Infection at the End of 18-month Rituximab Maintenance Therapy in ANCA-associated Vasculitides: Data from the MAINRITSAN Trials
Background/Purpose: Long-term follow-up analysis of the three MAINRITSAN trials confirmed the efficacy of rituximab (RTX) in preventing relapses in ANCA-associated vasculitis (AAV), especially RTX administration…Abstract Number: 1082 • ACR Convergence 2022
Outcomes of Methotrexate as an Initial Induction and Maintenance Regimen for Localized Granulomatosis with Polyangiitis: A Retrospective Review
Background/Purpose: While there is established data regarding the induction and maintenance treatment of systemic or organ threatening granulomatosis with polyangiitis (GPA), there is limited data…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)…