Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
C. Difficile: early-phase trial registry
1 of 2 indexed C. Difficile trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #7,188 of 28,707 conditions by registered trial count.
2 US clinical trials · 1 currently recruiting · #7,188 of 28,707 conditions by registered trial count
C. Difficile: 2 US clinical trials tracked, 1 recruiting.
C. Difficile is the subject of 2 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Finch Research and Development, running 1 of these trials.
Enrollment posture brief
Registry condition c-difficile
OPEN 1 | RECR 50% | LATE 0 | EARLY 1 | RANK #7188 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)
C. Difficile lists 1 open slots (50% of 2 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for C. Difficile on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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C. Difficile is recruiting above its size-band peers.
1 of 2 indexed trials (50%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
Open and recent trials
2 total, page 1 of 1
Pre-emptive Prevention for Patients at High Risk for Hospital-onset Clostridioides Difficile
Brigham and Women's Hospital
NCT05389904
Open-Label Extension of CP101 Trials Evaluating Oral Full-Spectrum Microbiota™ (CP101) in Subjects With Recurrence of Clostridium Difficile Infection
Finch Research and Development
NCT03497806
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on C. Difficile records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on C. Difficile trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this C. Difficile page
2 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 C. Difficile trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Finch Research and Development sponsors the most C. Difficile trials on record, review their full trial history before evaluating a specific study. See Finch Research and Development's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This C. Difficile condition card totals 2 registered trials; most-linked intervention CP101; top US site state Massachusetts. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.