- Conditions
- Cryoglobulinemic Vasculitis (CV), Drug-induced Vasculitis, Eosinophilic Granulomatosis With Polyangiitis (EGPA), IgA Vasculitis, Isolated Cutaneous Vasculitis, Granulomatosis With Polyangiitis (GPA), Microscopic Polyangiitis (MPA), Polyarteritis Nodosa (PAN), Urticarial Vasculitis, Vasculitis
- Interventions
- Not listed
- Lead sponsor
- Peter Merkel
- Other
- Eligibility
- 5 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2028
- U.S. locations
- 8
- States / cities
- Los Angeles, California • Boston, Massachusetts • Rochester, Minnesota + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced May 21, 2026, 9:44 PM EDT