Long-term Observational Study of Avacopan Use for Microscopic Polyangiitis and Granulomatosis With Polyangiitis

What this Trial Is About

This research aims to evaluate the safety and effectiveness of long-term use of avacopan in Japanese patients diagnosed with microscopic polyangiitis or granulomatosis with polyangiitis. These conditions involve inflammation of blood vessels and require ongoing management. The study seeks to understand how avacopan performs under real-world conditions over an extended period. Participants receive avacopan through oral administration as the investigational treatment being assessed. The study focuses on patients already receiving this medication to observe its long-term impact. No other treatment groups or comparators are mentioned. Throughout the study, researchers monitor participants for adverse events over a two-year timeframe to assess safety. The survey collects data on the efficacy and safety outcomes associated with continued avacopan use. The total duration and specific assessment schedules are designed to capture meaningful long-term information about the treatment's performance in daily clinical practice.

Special Drug Use-results Survey for Long-term Use（Avacopan）