Long-Term Follow-Up of Cyclophosphamide Compared with Azathioprine for Initial Maintenance Therapy in ANCA-Associated Vasculitis.
Treatment with azathioprine within 3 months of remission induction with cyclophosphamide is a common treatment strategy for patients with ANCA-associated vasculitis. This study comprised patients undergoing long-term follow-up who were randomly allocated to azathioprine after 3-6 months or after 12 months of cyclophosphamide treatment.DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Patients fro
