Abstract Number: 0929 • ACR Convergence 2022
Severe Low-Dose Methotrexate Toxicity in Elderly Patients with Inflammatory Rheumatic Diseases
Background/Purpose: While mostly remarkably safe, low dose methotrexate (MTX) occasionally causes life-threatening events. We analyzed all patients with rheumatic diseases and severe MTX toxicity between…Abstract Number: 1055 • ACR Convergence 2022
Associations of Potential Risk Factors with Severe Outcomes in Scleroderma Renal Crisis: Results from a Single Center Study
Background/Purpose: Scleroderma Renal Crisis (SRC) is a severe and life-threatening complication of Systemic Sclerosis (SSc). Given the rare nature of SSc, it is challenging to…Abstract Number: 1069 • ACR Convergence 2022
Renal Involvement Other Than Renal Crisis in Systemic Sclerosis: A Retrospective Monocentric Cohort Study
Background/Purpose: Scleroderma renal crisis has extensively been described over the past decades because of its severity. The use of angiotensin-converting enzyme inhibitors has clearly improved…Abstract Number: 1073 • ACR Convergence 2022
Analysis of Clinical Outcomes in ANCA-associated Vasculitis Treated with Rituximab: Eighty Years a Single Center Experience in Japan
Background/Purpose: Contrary to many Western countries, MPO-ANCA-associated vasculitis (MPO-AAV) is dominant in Japan. The therapeutic response to rituximab (RTX) may differ. Therefore, we conducted a…Abstract Number: 1083 • ACR Convergence 2022
Treatment of ANCA-associated Vasculitis with Extreme Impairment of Renal Function: A Case-Control Study Comparing an Intensive B Cell Depletion Regimen with the Standard of Care Using Oral Cyclophosphamide
Background/Purpose: Rituximab (RTX), an anti-CD20 monoclonal antibody, has shown to be an effective induction treatment for small-vessel vasculitis associated with antineutrophil cytoplasm antibodies (AAV) in…Abstract Number: 1089 • ACR Convergence 2022
Prognostic Value of Proteinuria Monitoring in Anti-neutrophil Cytoplasmic Antibody-associated Vasculitis
Background/Purpose: Anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV) is an autoimmune disease that can involve various organs systematically. Kidney involvement, one of the major manifestations of AAV,…Abstract Number: 1360 • ACR Convergence 2022
Clinical Characteristics and Outcomes of North American Youth with Lupus Nephritis Requiring Dialysis Treated with Cyclophosphamide
Background/Purpose: Few studies have evaluated the clinical characteristics and outcomes of youth with lupus nephritis (LN) treated with cyclophosphamide (CYC) who initially required kidney replacement…Abstract Number: L14 • ACR Convergence 2021
Effect of Avacopan, a Selective C5a Receptor Inhibitor, on Kidney Function in Patients with ANCA-Associated Vasculitis
Background/Purpose: Anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis is a life- or organ-threatening condition in which patients experience severe inflammation of small blood vessels; renal disease is…Abstract Number: 1757 • ACR Convergence 2021
Clinical Use of Belimumab for Systemic Lupus Erythematosus in the Setting of Advanced Chronic Kidney Disease and End-Stage Renal Disease on Dialysis: A Case Series
Background/Purpose: Belimumab is FDA approved for treatment of SLE and Lupus Nephritis. Patients with an eGFR < 30 ml/min/1.73m2 were excluded from clinical trials, thus…Abstract Number: 1937 • ACR Convergence 2021
IL-16 Is Linked to Lupus Nephritis Activity
Background/Purpose: There is a pressing need to identify novel therapeutic targets in lupus nephritis. Multiomic approaches hold great potential for discovery. We integrated urine proteomics…Abstract Number: 0327 • ACR Convergence 2021
Lipoprotein(a) in Systemic Lupus Erythematosus Is Associated with History of Proteinuria and Renal Insufficiency
Background/Purpose: Lipoprotein(a) [Lp(a)] is a well-recognized, independent risk factor for atherosclerotic cardiovascular disease. Cardiovascular disease is one of the leading causes of death in patients…Abstract Number: 0419 • ACR Convergence 2021
Post-induction ANCA Titer Does Not Predict Mortality or Renal Outcomes: A Target Trial Emulation Study
Background/Purpose: Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is associated with increased risk of end-stage renal disease (ESRD) and death. In most cases, circulating ANCA targeting…Abstract Number: 0423 • ACR Convergence 2021
Urine and Plasma Complement Ba Levels During Flares of Nephritis in Patients with ANCA-Associated Vasculitis
Background/Purpose: The alternative complement pathway has been implicated in the pathogenesis of ANCA-associated vasculitis (AAV), however it is not clear whether activation of complement occurs…Abstract Number: 0665 • ACR Convergence 2021
Pegloticase Treatment for Uncontrolled Gout in Kidney Transplanted Patients: Results of an On-going Multicenter, Open-Label, Efficacy and Safety Study
Background/Purpose: Gout in kidney transplant (KT) recipients can be severe and particularly challenging to manage. Pegloticase (pegylated recombinant uricase) rapidly metabolizes urate and is a…Abstract Number: 0875 • ACR Convergence 2021
Renal Function, Adherence and Low Hydroxychloroquine Dosing Predict HCQ Blood Levels and Lupus Disease Activity
Background/Purpose: Despite weight-based dosing, hydroxychloroquine (HCQ) efficacy varies between individuals. Our meta-analysis based on several studies found that low HCQ levels increased risk of lupus…