RT Book, Section A1 Manno, Rebecca L. A1 Yazdany, Jinoos A1 Tarrant, Teresa K. A1 Kwan, Mildred A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1193125814 T1 Granulomatosis with Polyangiitis T2 Current Medical Diagnosis & Treatment 2023 YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781264687343 LK accessmedicine.mhmedical.com/content.aspx?aid=1193125814 RD 2024/04/25 AB Key Clinical Updates in Granulomatosis with PolyangiitisAmerican College of Rheumatology/Vasculitis Foundation recommendations favor rituximab as first-line induction therapy. Cyclophosphamide may also be used for induction therapy. Avacopan is FDA-approved as add-on treatment for severe ANCA-associated vasculitis induction therapy in combination with rituximab or cyclophosphamide plus corticosteroids.For nonsevere disease without life- or organ-threatening manifestations, methotrexate up to 25 mg oral or subcutaneous weekly, plus corticosteroids may be effective induction therapy.Rituximab, dosed at a fixed interval of 1 g every 6 months or 500 mg every 4 months, is favored as first-line maintenance treatment.Chung SA et al. Arthritis Rheumatol. [PMID: 34235894]Jayne DRW et al; ADVOCATE Study Group. N Engl J Med. [PMID: 33596356]