Longitudinal Study for Relapsing Polychondritis

This study is building a long-term registry of patients with relapsing polychondritis (RP) — a rare autoimmune disease that causes recurring inflammation of cartilage in the ears, nose, joints, airways, and other structures. Little is known about how this disease progresses over time, and this longitudinal study will track patients to improve understanding. You may be eligible if: - You have been diagnosed with relapsing polychondritis (as determined by your doctor) - You (or a guardian) can provide informed consent You may NOT be eligible if: - You are unable to provide consent and there is no guardian to provide assent on your behalf Talk to your doctor to see if this trial is right for you.