Journal
ALIMENTARY PHARMACOLOGY & THERAPEUTICS
Volume 37, Issue 7, Pages 680-690Publisher
WILEY
DOI: 10.1111/apt.12248
Keywords
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Funding
- Dr Falk Pharma GmbH, Freiburg, Germany
- Dr Falk Pharma GmbH
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Background Robust evidence regarding medical intervention for symptomatic uncomplicated colonic diverticular disease (DD) is sparse. Aim To investigate mesalazine (Salofalk granules) in this setting. Methods In a double-blind, placebo-controlled, multicentre, 6-week trial, patients were randomised to mesalazine 1000mg three times daily or placebo. Primary efficacy endpoint was change in lower abdominal pain to week 4 (baseline defined using pain score from 7days pre-treatment). Results Median change in lower abdominal pain with mesalazine vs. placebo was 37 (n=56) vs. 33 (n=61) [P=0.374; 95% CI (11; 4)] in the intent-to-treat (ITT) population, and 41 (n=40) vs. 33 (n=51) [P=0.053; 95% CI (18; 0)] in the per-protocol (PP) population, i.e. the primary endpoint was not significantly different. Post hoc adjustment for confounding factors (baseline pain intensity', baseline symptom score (Brodribb)', and localisation of diverticula in the descending colon') resulted in P=0.111 [ITT, 95% CI (15.4; 1.6)] and P=0.005 [PP, 95% CI (19.7; 3.5)]. Between-group differences increased using pain score on day 1 as baseline, and reached significance for the PP population [mesalazine 42, placebo 26, P=0.010; 95% CI (25; 3)]. Median change in combined symptom score from baseline to week 4 was 257mm with mesalazine vs. 198mm with placebo [P=0.064; 95% CI (3; 105)]. More placebo-treated patients received analgesic/spasmolytic concomitant medication (34.4% vs. mesalazine 21.4%), indicating improved pain relief with mesalazine (P=0.119). Safety was comparable. Conclusions A daily dose of 3.0g mesalazine may relieve pain during a symptomatic flare of uncomplicated DD. In this, the first placebo-controlled double-blind trial in acute uncomplicated DD, mesalazine showed promising therapeutic efficacy.
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