Inflammatory bowel disease patients provide reliable self‐reported medical information: A multicentre prospective pharmacovigilance monitoring system

Purpose To assess the agreement between patient‐reported and health care provider‐reported medical information in inflammatory bowel disease (IBD). Methods This multicentre, prospective, event monitoring study enrolled adult Crohn's disease (CD) and ulcerative colitis (UC) patients treated with a biological in four medical centers in the Netherlands. At two‐monthly intervals, patients completed questionnaires on biological use, combination...