Linaclotide in Chronic Idiopathic Constipation Patients with Moderate to Severe Abdominal Bloating: A Randomized, Controlled Trial

Brian E Lacy, Ron Schey, Steven J Shiff, Bernard J Lavins, Susan M Fox, Xinwei D Jia, Rick E Blakesley, Xinming Hao, Jacquelyn A Cronin, Mark G Currie, Caroline B Kurtz, Jeffrey M Johnston and Anthony J Lembo

PLOS ONE, 2015, vol. 10, issue 7, 1-17

Abstract: Background: Abdominal bloating is a common and bothersome symptom of chronic idiopathic constipation. The objective of this trial was to evaluate the efficacy and safety of linaclotide in patients with chronic idiopathic constipation and concomitant moderate-to-severe abdominal bloating. Methods: This Phase 3b, randomized, double-blind, placebo-controlled clinical trial randomized patients to oral linaclotide (145 or 290 μg) or placebo once daily for 12 weeks. Eligible patients met Rome II criteria for chronic constipation upon entry with an average abdominal bloating score ≥5 (self-assessment: 0 10-point numerical rating scale) during the 14-day baseline period. Patients reported abdominal symptoms (including bloating) and bowel symptoms daily; adverse events were monitored. The primary responder endpoint required patients to have ≥3 complete spontaneous bowel movements/week with an increase of ≥1 from baseline, for ≥9 of 12 weeks. The primary endpoint compared linaclotide 145 μg vs. placebo. Results: The intent-to-treat population included 483 patients (mean age=47.3 years, female=91.5%, white=67.7%). The primary endpoint was met by 15.7% of linaclotide 145 μg patients vs. 7.6% of placebo patients (P

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0134349

DOI: 10.1371/journal.pone.0134349

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