Overview Safety and Efficacy of Treatment With Interferon Beta-1a Rebif® in Patients With Crohn's Disease Status: Terminated Trial end date: 2003-09-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine the safety and efficacy of interferon beta-1a in maintaining remission in patients with Crohn's disease. Phase: Phase 2 Details Lead Sponsor: EMD SeronoTreatments: Interferon beta-1aInterferon-betaInterferons