Effectiveness of Golimumab in Patients With Ulcerative Colitis: Results of a Real-life Study in Switzerland

Flare Up, Symptom, Ulcerative Colitis

Golimumab, Ulcerative Colitis, TNF-inhibitors, Clinical Response, Clinical Remission

TNF inhibitors have improved treatment options for patients with inflammatory bowel disease (IBD) and three TNF inhibitors, infliximab, adalimumab and golimumab are available for treatment of ulcerative colitis in Switzerland. However, these drugs have been tested under ideal conditions in randomized controlled trials. Real-world data are needed to complement this information. It is the aim of the investigators to study, whether patients with ulcerative colitis can be effectively treated with golimumab in a real world setting in Switzerland. The investigators used data from the Swiss IBD cohort study (SIBDC) in Switzerland and identified all SIBDC patients with UC treated with Golimumab and performed a retrospective chart review. The investigators acquired patient reported outcomes and objective measures for inflammation at baseline, at 6-10 weeks and at 6 and 12 months after golimumab treatment. Primary endpoint was clinical response (i.e. meaningful improvement) at 6-10 weeks. Secondary endpoints were clinical response at 6 and 12 months and clinical remission (i.e. free of symptoms of disease).

Ulcerative colitis patients from the Swiss IBD cohort study treated with golimumab were identified. The investigators performed a retrospective chart review and assessed patient reported outcomes and objective measures of inflammation to assess response and remission. As clinical response in UC the investigators defined a composite end point of: Marked improvement in partial Mayo score AND improvement in one or more of the following parameters (acquired during chart review): * Endoscopy data * Ultrasonography * Calprotectin (cut off 100microg/g) * CRP * Anemia resolution Marked improvement was defined as: Clinical response based on partial Mayo Score (including physician global assessment): decrease in partial Mayo score ≥ 2 points and ≥ 30% from baseline and a decrease in rectal bleeding subscore ≥ 1 point or absolute rectal bleeding score ≤ 1. Improvement in lab work was defined as a reduction of the difference between baseline values and the next limit of normal by ≥ 30%. Improvement in endoscopy/ ultrasonography was defined as a reduction of colitis in the same technique compared to baseline substantiated by images (endoscopy) or measurements of diameter of the bowel wall. As clinical remission in UC we defined normalization (i.e. absence of pathology) of patient reported outcomes (Frequency of stool, blood in stool) AND no evidence of residual disease activity in all of the following parameters: * Endoscopy data * Ultrasonography * Calprotectin (cut off 100microg/g) * CRP and anemia

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