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

Find out if you may qualify for the PREVAIL study.

Please remember that you can leave a clinical study at any time, for any reason.

Why should I consider clinical research?

People participate in clinical research studies for a variety of reasons. Some study volunteers are interested in access to new drugs, while others want to help advance medical research. But the decision is yours, so please think about the pros and cons of joining a study.


May have access to an investigational drug

Study-related medical care at no cost

Chance to help research that may benefit others


Your condition may stay the same or get worse

Risk of side effects from study treatments

Extra time spent on study tests and visits

You can also talk to your family doctor about whether this study may be an option for you.