A Phase III, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Trial of Linaclotide Administered Orally for 12 Weeks Followed by a 4-Week Randomized Withdrawal Period in Patients With Irritable Bowel Syndrome With Constipation
A Phase III, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Trial of Linaclotide Administered Orally for 12 Weeks Followed by a 4-Week Randomized Withdrawal Period in Patients With Irritable Bowel Syndrome With Constipation
The objective of this trial is to determine the efficacy and safety of linaclotide administered to patients with irritable bowel syndrome with constipation (IBS-C).
The primary efficacy parameter is the percentage of patients in each treatment group that meet the protocol definition for Abdominal Pain and Complete Spontaneous Bowel Movement (APC) Responder.
Inclusion Criteria:
Patient meets protocol criteria for IBS: reports abdominal discomfort or pain that has two or more of the following three features:
Patient reports < 3 bowel movements (BMs) per week (in the absence of any laxative, suppository, or enema use during the preceding 24 hours) and reports straining, lumpy or hard stools, and/or sensation of incomplete evacuation during > 25% of BMs
Patient has successfully completed protocol procedures (with no clinically significant findings): physical exam, 12-lead ECG, or clinical laboratory tests (some patients may require a colonoscopy per American Gastroenterological Association (AGA) guidelines)
Patient is compliant with Interactive Voice Response System (IVRS) for daily diary reporting of BM habits and IBS symptoms
Exclusion Criteria:
Christianburg, Virginia 24073, United States