It’s time to flip the script on IBS-D.

• Study information
• More about IBS-D
• Why clinical research?
• Clinical research FAQ

The PREVAIL study is enrolling now

Our study doctors are evaluating an investigational medication to learn if it may help control irritable bowel syndrome with diarrhea (IBS-D).

If you take part in the PREVAIL study, you may receive:

• Reimbursement for time and travel
• Study-related care at no cost from local doctors
• Study medication

You may be eligible to participate if you:

• Are an adult aged 18 to 75 years
• Have abdominal (belly) pain
• Have frequent diarrhea