Expired Study
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Clinical Trial 15140

Houston, TX 77062


Study Summary:

A randomized, double-blind, placebo-controlled, phase 3 study to evaluate the efficacy, safety, and tolerability of study medication in the treatment of patients with diarrhea-predominant irritable bowel syndrome.


Qualified Participants Must:

• Be 18-80 years of agel Have a diagnosis of diarrhea predominant IBS
• Be willing to comply with study procedures and daily diary call
• Not have a history of inflammatory GI disorder (ex. Crohns disease, ulcerative colitis) or celiac disease
• Not have had abdominal surgery within 3 months, or major gastric, hepatic, pancreatic or intestinal surgery (appendectomy, hemorrhoid surgery or polyp removal if greater than 3 months is allowed)
• Not have had an MI, Stroke or congestive heart failure within 6 months or a history of malignant cancer with 5 years (basal cell, skin cancer or cervical cancer if treated are allowed)
• Not have a history of alcohol abuse or binge drinking (recovered alcoholics who have not consumed alcohol in over 5 years are allowed)
• Not have had a history of microbiologically documented lower GI infection within 3 months


Qualified Participants May Receive:

Study medication, study related medical care and laboratory studies at no cost and compensation for time and travel is available.


Clinical trials are medical research studies designed to test the safety and/or effectiveness of new investigational drugs, devices, or treatments in humans. These studies are conducted worldwide for a range of conditions and illnesses. Learn more about clinical research and participating in a study at About Clinical Trials.