Abstract

Tegaserod for Irritable Bowel Syndrome With Constipation in Women Younger Than 65 Years Without Cardiovascular Disease: Pooled Analyses of 4 Controlled Trials

Am J Gastroenterol. 2021 May 25. doi: 10.14309/ajg.0000000000001313. Online ahead of print.

Eric D Shah 1, Brian E Lacy, William D Chey, Lin Chang, Darren M Brenner

 
     

Author information

Abstract

Introduction: Tegaserod was the first US Food and Drug Administration-approved drug for irritable bowel syndrome with constipation (IBS-C) in women and was recently reapproved for use. Recognizing that clinical trials were performed almost 20 years ago, we performed an integrated analysis on patient-reported outcomes relevant to current practice including previously unpublished data.

Methods: Data from 4 12-week, randomized, placebo-controlled trials evaluating tegaserod 6 mg b.i.d. in patients with IBS-C were pooled. We analyzed 2 groups: all women (overall population) and women younger than 65 years without a history of cardiovascular ischemic events (indicated population). The primary end point was subjective global assessment of IBS-C symptom relief. Responders rated themselves as "considerably" or "completely" relieved ≥50% of the time or at least "somewhat relieved" 100% of the time over the last 4 weeks.

Results: The overall and indicated populations included 2,939 (tegaserod [n = 1,478]; placebo [n = 1,461]) and 2,752 (tegaserod [n = 1,386]; placebo [n = 1,366]) participants, respectively. The pooled odds ratios (95% confidence interval) for clinical response during the last 4 weeks in the overall and indicated populations with tegaserod were 1.37 (1.18, 1.59; P < 0.001) and 1.38 (1.18, 1.61; P < 0.001). In the overall and indicated populations, clinical response rates for tegaserod during the last 4 weeks were 43.3% and 44.1% versus 35.9% and 36.5% with placebo (P < 0.001). Adverse events were similar between groups. No significant cardiovascular events related to tegaserod were observed in patients with ≤1 cardiac risk factor.

Discussion: Tegaserod 6 mg b.i.d. reduced IBS-C symptoms in overall and US Food and Drug Administration-indicated populations (women aged <65 years with no history of cardiovascular ischemic events).

 

 

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