Long-term Safety and Effectiveness Study of Avacopan for Japanese Patients with Microscopic Polyangiitis or Granulomatosis With Polyangiitis

What this Trial Is About

This research aims to evaluate the long-term safety and effectiveness of avacopan in Japanese patients diagnosed with microscopic polyangiitis or granulomatosis with polyangiitis. These conditions involve inflammation of blood vessels and the study focuses on real-world use of the medication. The survey is observational and tracks patients over time to gather important information on treatment outcomes. Participants receive avacopan through oral administration as part of their treatment. The study observes patients who are already being treated with avacopan to assess its impact under normal usage conditions. There are no comparison groups or placebo treatments, as this is a drug use-results survey. During the study, researchers monitor adverse events and overall patient safety for up to two years. Data collection includes recording any side effects or health changes related to avacopan. The goal is to better understand the medications safety profile during long-term use in this patient population. Participants remain under their usual medical care throughout the survey.

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