FDA OKs New Option for Rare Immune-Mediated Vasculitis
EGPA, previously known as Churg-Strauss syndrome, is a rare inflammatory disorder characterized by asthma, necrotizing vasculitis, extravascular granulomas, and blood and tissue eosinophilia. The rare immune-mediated vasculitis is caused by inflammation of blood vessels that can damage multiple organs and be fatal if left untreated.