Survey on long-term use of avacopan for certain autoimmune diseases

Special Drug Use-results Survey for Long-term Use

Observational Kissei Pharmaceutical Co., Ltd. · NCT06758271

This study looks at how well and safely avacopan works for Japanese patients with certain autoimmune diseases over a long time.

Quick facts

Study typeObservational
Enrollment250 (estimated)
SexAll
SponsorKissei Pharmaceutical Co., Ltd. Industry-sponsored
Locations1 site (Multiple Locations)
Trial IDNCT06758271 on ClinicalTrials.gov

What this trial studies

This survey evaluates the safety and efficacy of avacopan, a medication used for treating microscopic polyangiitis and granulomatosis with polyangiitis, in Japanese patients over a long-term period. The study is observational, meaning it will collect data on patients currently receiving avacopan under real-world conditions rather than in a controlled experimental setting. By monitoring patient outcomes and side effects, the survey aims to provide insights into the drug's effectiveness and safety profile in everyday clinical practice.

Who should consider this trial

Good fit: Ideal candidates for this survey are Japanese patients diagnosed with granulomatosis with polyangiitis or microscopic polyangiitis who are currently being treated with avacopan.

Not a fit: Patients who are not receiving avacopan or those with other unrelated conditions may not benefit from this survey.

Why it matters

Potential benefit: If successful, this survey could provide valuable information on the long-term safety and efficacy of avacopan, potentially improving treatment strategies for patients with these autoimmune diseases.

How similar studies have performed: While this survey focuses on long-term use in a specific population, similar studies evaluating the safety and efficacy of treatments for autoimmune diseases have shown promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with granulomatosis with polyangiitis or microscopic polyangiitis who are treatment with avacopan

Where this trial is running

Multiple Locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Microscopic PolyangiitisGranulomatosis With Polyangiitis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.