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: 0416 • ACR Convergence 2021
Pharmacological Response of Rituximab Based on Dose Intensity in Maintenance Therapy of ANCA-Associated Vasculitis
Background/Purpose: Rituximab (RTX) has demonstrated efficacy in maintenance therapy in ANCA-associated vasculitis. However, different dosing protocols have been used in clinical trials and there is…Abstract Number: 0421 • ACR Convergence 2021
Negative vs. Positive Antineutrophil Cytoplasmic Antibody Granulomatosis with Polyangiitis, a Case-control Study
Background/Purpose: Antineutrophil cytoplasmic antibody (ANCA) negative granulomatosis with polyangiitis (GPA) is a challenging diagnosis. There is paucity of literature regarding the clinical course of ANCA-negative…Abstract Number: 0431 • ACR Convergence 2021
Clinical Characteristics and Outcomes of ANCA-Associated and Non Immune-Mediated Hypertrophic Pachymeningitis: A Comparative Study
Background/Purpose: Hypertrophic pachymeningitis (HP) is an infrequent manifestation in autoimmune and non-autoimmune conditions. The differences in clinical characteristics and outcomes of ANCA-associated and non-immune-mediated HP…Abstract Number: 0436 • ACR Convergence 2021
Ocular and Orbital Manifestations of Granulomatosis with Polyangiitis: A Systematic Review of Published Cases
Background/Purpose: Granulomatosis with polyangiitis (GPA), formerly known as Wegener’s Granulomatosis, is a systemic autoimmune condition caused by granulomatous inflammation of small and medium arteries, arterioles…Abstract Number: 0525 • ACR Convergence 2021
STEAP3, FZD2 and EGFLAM Are Novel Genetic Risk Loci for Granulomatosis with Polyangitis: A Genome Wide Association Study from UK Biobank
Background/Purpose: Granulomatosis with Polyangitis (GPA) is a systemic ANCA associated small vessel vasculitis. Prior genetic studies demonstrated a strong association of HLA Class II region…Abstract Number: 1420 • ACR Convergence 2020
Characterization of ANCA-Associated Vasculitis Among African American Patients
Background/Purpose: ANCA-associated vasculitis (AAV) comprises a group of disorders characterized by inflammation of small and medium-sized arteries. Prevalence and phenotype of these diseases appear to…Abstract Number: 1421 • ACR Convergence 2020
Clinical Features, Disease Activity and Prognosis of ANCA-Associated Vasculitis in US African Americans
Background/Purpose: ANCA-associated vasculitis (AAV), including Granulomatosis with Polyangiitis (GPA), Eosinophilic Granulomatosis with Polyangiitis (EGPA) and Microscopic Polyangiitis (MPA), affect mostly Caucasians of European descent. Clinical…Abstract Number: 1425 • ACR Convergence 2020
Reduced Risk of Cardiovascular Diseases Events with Renal Transplantation in Granulomatosis with Polyangiitis in the United States: Data from the US Renal Data System
Background/Purpose: Granulomatosis with polyangiitis (GPA) is a common cause of glomerulonephritis and leads to end-stage renal disease (ESRD) in approximately 25% of patients. Both GPA…Abstract Number: 1430 • ACR Convergence 2020
The Role of Lung Biopsy in Pediatric ANCA-associated Vasculitis
Background/Purpose: Anca-associated vasculitis (AAV) is characterized by vascular inflammation in multiple organs. The diagnosis can be made clinically using a number of different criteria. The…Abstract Number: 1438 • ACR Convergence 2020
Rituximab Immunogenicity in ANCA-associated Vasculitis (RITUXIMAV)
Background/Purpose: Rituximab (RTX), an anti-CD20 chimeric monoclonal antibody, has been shown to be an effective maintenance therapy for granulomatosis with polyangitiis (GPA) and microscopic polyangiitis…Abstract Number: 1524 • ACR Convergence 2020
Interstitial Lung Disease, Kidney Inflammation and Myositis Are Induced by Transfer of PBMC Derived from Systemic Sclerosis Patients into Rag2-/-/ IL2rg-/- mice
Background/Purpose: To explore the pathogenic potential of lymphocytes in systemic sclerosis (SSc) and granulomatosis with polyangiitis (GPA), a humanized mouse model was generated by transferring…Abstract Number: 2048 • ACR Convergence 2020
Comparison of Two Rituximab Regimens for Induction of Remission in Antineutrophil Cytoplasm Antibody-associated Vasculitis: Systematic Review and Meta-analysis
Background/Purpose: Organ or life-threatening granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA), two of the antineutrophil cytoplasm antibody-associated vasculitis (AAV), are treated with cyclophosphamide or…