Overview Safety and Efficacy of Interferon-Beta-1a (Rebif®) for Treating Subjects With Acute Symptoms of Ulcerative Colitis Status: Completed Trial end date: 2003-01-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine the safety and efficacy of interferon-beta-1a in subjects with active ulcerative colitis (UC). Phase: Phase 2 Details Lead Sponsor: EMD SeronoCollaborator: Merck Serono International SATreatments: Interferon beta-1aInterferon-betaInterferons