Two Randomized Trials of Linaclotide for Chronic Constipation  

Oleh:

Lembo, Anthony J. ; Schneier, Harvey A. ; Shiff, Steven J. ; Kurtz, Caroline B.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The New England Journal of Medicine (keterangan: ada di Proquest) vol. 365 no. 06 (Aug. 2011), page 527-536.
Topik: Linaclotide; Guanylate Cyclase C Receptor

Ketersediaan

Perpustakaan FK Nomor Panggil: N08.K.2011.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Background Linaclotide is a minimally absorbed peptide agonist of the guanylate cyclase C receptor. In two trials, we aimed to determine the efficacy and safety of linaclotide in patients with chronic constipation. Methods We conducted two randomized, 12-week, multicenter, double-blind, parallel-group, placebo-controlled, dual-dose trials (Trials 303 and 01) involving 1276 patients with chronic constipation. Patients received either placebo or linaclotide, 145 µg or 290 µg, once daily for 12 weeks. The primary efficacy end point was three or more complete spontaneous bowel movements (CSBMs) per week and an increase of one or more CSBMs from baseline during at least 9 of the 12 weeks. Adverse events were also monitored. Results For Trials 303 and 01, respectively, the primary end point was reached by 21.2% and 16.0% of the patients who received 145 µg of linaclotide and by 19.4% and 21.3% of the patients who received 290 µg of linaclotide, as compared with 3.3% and 6.0% of those who received placebo (P<0.01 for all comparisons of linaclotide with placebo). Improvements in all secondary end points were significantly greater in both linaclotide groups than in the placebo groups. The incidence of adverse events was similar among all study groups, with the exception of diarrhea, which led to discontinuation of treatment in 4.2% of patients in both linaclotide groups. Conclusions In these two 12-week trials, linaclotide significantly reduced bowel and abdominal symptoms in patients with chronic constipation. Additional studies are needed to evaluate the potential long-term risks and benefits of linaclotide in chronic constipation.

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