Amgen
The primary objective of this study is to evaluate the long-term safety of avacopan in participants with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV).
Inclusion Criteria: * Participants has provided informed consent before initiation of any study-specific activities/procedures. * Newly diagnosed or relapse of granulomatosis with polyangiitis or microscopic polyangiitis, consistent with Chapel-Hill Consensus Conference definitions (Jennette et al, 2013), where induction treatment with cyclophosphamide or rituximab is needed. Note: For participants receiving azathioprine, mycophenolate, or methotrexate, these medications must be discontinued prior to initiation of induction treatment. Participants receiving, or planned to receive combined ri…
Administered orally.
Administered orally.
All participants will receive SoC background immunosuppressive therapy for induction and maintenance, at the discretion of the Investigator and as supported by current guidelines, product labels and local practices and informed by the individual participant's clinical condition, preferences, and values.