Effectiveness of adalimumab for ulcerative colitis: A multicentre, retrospective study of clinical practice in Italy.

Abstract Background Adalimumab is used to treat ulcerative colitis, but additional effectiveness and safety data are needed. Patients and methods This retrospective study considered adults with ulcerative colitis treated with adalimumab at 19 hospitals. Clinical data were collected from the start of treatment, after 2, 6 and 12 months, and at the last visit. Outcome measures of effectiveness were treatment duration, reasons for discontinuation and colectomy. Results We studied 381 patients treated with adalimumab for a median of 12.1 months. Disease activity at the start of treatment was moderate to severe in 262 cases (68.8%) and endoscopic activity was moderate to severe in 339 cases (89.…