University of Zurich - Recruiting 18 years or older. - A Prospective Cohort Study in 6 Swiss Rheumatology Centres and 4 Travel Clinics on the Immunogenicity and Safety of Tetanus and Hepatitis A Vaccine in Patients With Rheumatoid Arthritis, Axial Spondyloarthritis and Vasculitis and Healthy Controls.
Northwestern University - Recruiting 16 years to 60 years. - High Dose Immune Suppression With Hematopoietic Stem Cell Support in Refractory Vasculitis, Necrotizing Vasculitis, Neurovascular Behcet's Disease, and Sjogren's Syndrome.
GlaxoSmithKline - Recruiting 18 years or older. - A Phase 3, Multi-Center, Multinational, Randomized, Double-Blind, Study to Evaluate the Efficacy and Safety of Belimumab (HGS1006) in Combination With Azathioprine for the Maintenance of Remission in Wegener's Granulomatosis and Microscopic Polyangiitis.
University Hospital Muenster - Recruiting 18 years or older. - Retrospective Analysis of Frequency of Systemic Involvement in IgA-positive Cutaneous Immune Complex Vasculitis Versus IgA-negative Cutaneous Immune Complex Vasculitis.