Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Anal Fistula: early-phase trial registry
4 of 6 indexed Anal Fistula trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · 4 currently recruiting · #2,866 of 28,707 conditions by registered trial count
Anal Fistula: 6 US clinical trials tracked, 4 recruiting.
Anal Fistula is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Alexander Hawkins, running 1 of these trials.
Enrollment posture brief
Registry condition anal-fistula
OPEN 4 | RECR 67% | LATE 1 | EARLY 2 | RANK #2866 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adenocarcinoma of Lung (67% recruiting · 6 trials)
Anal Fistula lists 4 open slots (67% of 6 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 Anal Fistula 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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Anal Fistula is recruiting above its size-band peers.
4 of 6 indexed trials (66.7%) 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.
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One sponsor concentrates Anal Fistula research.
Alexander Hawkins accounts for 1 of 6 trials (16.7%). 6 distinct sponsors appear on at least one study for this condition label.
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Typical Anal Fistula enrolment sits around 250 participants.
Median target enrolment is 250 among the 6 trials that report a genuine target (sentinel values excluded). 2 of those (33.3%) plan for fewer than 100 participants.
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Anal Fistula research is mostly interventional.
5 interventional and 1 observational studies make up this index (83.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
6 total, page 1 of 1
Myriad™ Augmented Soft Tissue Reconstruction Registry
Aroa Biosurgery Limited
NCT05243966
BIOlogic Augmented Repair of Complex Anal Fistula Using Acellular Matrix and/or Autologous Platelet-rich Plasma
The University of Texas Health Science Center, Houston
NCT05805449
A Double Blind, Randomized Controlled Study, Evaluating the Safety and Efficacy of RD2 Ver.02 For the Management of Anal Fistulas
RedDress
NCT05641844
E-CEL UVEC as an Adjunct Cell Therapy for Treatment of Anal Fistulas
Weill Medical College of Cornell University
NCT04190862
Evaluating an rhPDGF-BB-enhanced Collagen Plug for Perianal Fistula Healing
Alexander Hawkins
NCT06632418
Treatment of Perirectal Fistula With Cutting Seton vs. Collagen Plug
University of Southern California
NCT00450671
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Anal Fistula records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Anal Fistula 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 Anal Fistula page
6 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 4 Anal Fistula trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Alexander Hawkins sponsors the most Anal Fistula trials on record, review their full trial history before evaluating a specific study. See Alexander Hawkins'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 Anal Fistula condition card totals 6 registered trials; most-linked intervention Seton placement; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.