RCT | Rituximab is superior to azathioprine for maintenance of remission for patients with ANCA vasculitis and relapsing disease 27 Mar, 2023 | 12:57h | UTC Rituximab versus azathioprine for maintenance of remission for patients with ANCA-associated vasculitis and relapsing disease: an international randomised controlled trial – Annals of the Rheumatic Diseases