

The aim of this study was to determine the proportion of biological prescriptions over time. This study is based on data from IMS® Diagnosis Monitor and included patients who had received a biological drug in dermatology practices due to psoriasis (PSO), gastroenterology practices due to Crohn's disease (CD) or ulcerative colitis (UC), or rheumatology practices due to rheumatoid arthritis (RA) between April 2015 and December 2018.