How to Enroll

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Are you eligible?

You may be eligible to participate in the PRISM 3 study if you meet these criteria:*

  • Are 18 years or older

  • Have had more than one episode of C. difficile infection

  • Have been prescribed antibiotics for most recent C. difficile infection

  • Do not have inflammatory bowel disease (IBD) or irritable bowel syndrome (IBS)

*Other criteria will apply.

Find a doctor

We are working with doctors at top medical facilities across the United States.  If you are interested in participating in the study, please use the map below to find the contact information for sites near you.

If you cannot find a nearby site, or if you have questions about the study, please contact us here.