An Observational Prospective Long-term Exposure Registry of Adult Patients With Moderate-to-Severe Ulcerative Colitis (OPAL) First published 06/07/2016 Last updated 22/05/2024 EU PAS number:EUPAS13986 Study Ongoing
ICON Commercialisation & Outcomes Germany Ireland First published:19/03/2010 Last updated 05/07/2024 Institution Non-Pharmaceutical company ENCePP partner