Phase 4 Crohn's Disease and Colitis Trial, Not Yet Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You have agreed to take part and signed a consent form
- You are male or female and over 18 years old
- You have been diagnosed with Inflammatory Bowel Disease (IBD), which includes Crohn's disease, Ulcerative Colitis, or Indeterminate Colitis
- You are already scheduled for an outpatient colonoscopy for any reason
Who may not be able to join:
- You are not able to give your own consent to participate
- You have previously had surgery to remove part or all of your colon, have a stoma (ostomy), a J-pouch, or any other prior colon surgery (having had your appendix removed is still allowed)
- You are not able to complete all parts of the study as required
- You regularly take antibiotics on an ongoing basis
- You are unable or unwilling to swallow capsules
- You have a known allergy or sensitivity to vancomycin, fidaxomicin, or microcrystalline cellulose (an ingredient sometimes found in capsules — confirm with trial site if unsure)
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Jessica Allegretti, MD, MPH, Brigham and Women's Hospital
Phone: 6175257322
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
C. difficile decolonization; Safety and tolerability
Can't join this trial?
Data last synced from ClinicalTrials.gov: 23 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.