Secondary vasculitis

This study looks at skin samples from 50 people with different types of vasculitis, a condition where blood vessels become inflamed. Researchers want to understand how the disease affects the skin at a molecular level. Participants must have an active skin rash related to their v…

This study is following 670 adults with vasculitis, a rare blood vessel disease, for up to 5 years. Researchers will collect medical data and blood samples to see how the disease starts, how it is treated, and what long-term problems may arise. No new treatments are being tested—…