Clinical Trials

Inclusion Criteria:

• Willing to provide informed consent.
• Willing to comply with all study procedures and be available for the duration of the study.
• Documented diagnosis of at least one CDI within the last 180 days with treatment completed.
• Currently receiving systemic antibiotics for a non-CDI condition with anticipated duration of no more than 2 weeks.
• Females of childbearing potential must have a negative pregnancy test prior to randomization and agree to use adequate contraception prior to randomization, for the duration of the study, and for 4 weeks following study completion.
• Have received no more than 72 hours of non-CDI antibiotics.

Exclusion Criteria:

• History of hypersensitivity or allergy to oral vancomycin.
• Current use of oral vancomycin.
• Patients on concurrent treatment with metronidazole or tetracycline monotherapy for any indication.
• Patients diagnosed with inflammatory bowel disorder (Crohn's disease), or bacterial gastrointestinal infection cause by agents other than C. difficile (e.g., Salmonella sp.), toxic megacolon and/or known small bowel ileus.
• Dysphagia (inability to swallow capsules) or unwilling to swallow capsules.
• Major gastrointestinal surgery within 3 months of enrollment (does not include appendectomy or cholecystectomy).
• Any history of total colectomy or bariatric surgery.
• Unable or unwilling to fulfill study requirements.
• Expected life expectancy < 6 months.
• Patients enrolled in another clinical trial with investigational drugs within 30 days prior to randomization.
• Women who are pregnant or breast-feeding.
• Any patient deemed not suitable for study participation at the discretion of the study investigator.
• Diarrhea (3 or more loose stools in a 24 hour period) at enrollment.

Eligibility last updated 8/25/21. Questions regarding updates should be directed to the study team contact.