Anal Fistula Clinical Trials

29 recruitingLast updated: June 20, 2026

There are 29 actively recruiting anal fistula clinical trials across 15 countries. Studies span Not Applicable, Phase 1, Phase 2, Phase 4. Top locations include New York, New York, United States, Los Angeles, California, United States, Cairo, Al-Manial Cairo, Egypt. Updated daily from ClinicalTrials.gov.


Anal Fistula Trials at a Glance

29 actively recruiting trials for anal fistula are listed on ClinicalTrialsFinder across 6 cities in 15 countries. The largest study group is Not Applicable with 11 trials, with the heaviest enrollment activity in New York, Los Angeles, and Cairo. Lead sponsors running anal fistula studies include Cairo University, Sixth Affiliated Hospital, Sun Yat-sen University, and Aroa Biosurgery Limited.

Browse anal fistula trials by phase

Treatments under study

About Anal Fistula Clinical Trials

Looking for clinical trials for Anal Fistula? There are currently 12 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Anal Fistula trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Anal Fistula clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 29 trials

Recruiting
Not Applicable

TROPIS Versus Coring Out Fistulectomy in High Anal Fistula

High Anal Fistula
Cairo University64 enrolled1 locationNCT07334678
Recruiting
Not Applicable

IFOC Compared With LIFT in High Anal Fistula

Anal Fistula SurgeryHigh Anal Fistula
Cairo University66 enrolled1 locationNCT07520500
Recruiting
Phase 2

DB-3Q bmMSC-EVs in Patients With Perianal Fistulizing Crohn's Disease

Perianal Fistula Due to Crohn's Disease
Direct Biologics, LLC36 enrolled5 locationsNCT06918808
Recruiting
Not Applicable

Comparison Of Surgical Outcomes Between Ligation Of Intersphincteric Fistula Tract And Fistulotomy With Seton In Perianal Fistula

Anal FistulaFistula in AnoPerianal Fistula
Islamabad Medical and Dental College100 enrolled1 locationNCT07579715
Recruiting

The Impact of Perianal Disease on Patient's Sex Life

Fistula in AnoPerianal FistulaPerianal Abscess+3 more
AHEPA University Hospital60 enrolled1 locationNCT07519850
Recruiting

Recurrence and Anal Fistula Patient Reported Outcomes Trial

Anal FistulaPerianal FistulaAnal Fistula Surgery
National and Kapodistrian University of Athens100 enrolled1 locationNCT07477496
Recruiting

Myriad™ Augmented Soft Tissue Reconstruction Registry

pressure injurypilonidal sinusHidradenitis Suppurativa+4 more
Aroa Biosurgery Limited800 enrolled13 locationsNCT05243966
Recruiting
Not Applicable

Comparative Study: Fistula Rerouting vs. LIFT for High Perianal Fistula

High Perianal Fistula
Cairo University40 enrolled1 locationNCT07399353
Recruiting
Phase 1

E-CEL UVEC as an Adjunct Cell Therapy for Treatment of Anal Fistulas

Anal Fistula
Weill Medical College of Cornell University39 enrolled1 locationNCT04190862
Recruiting
Not Applicable

A Double Blind, Randomized Controlled Study, Evaluating the Safety and Efficacy of RD2 Ver.02 For the Management of Anal Fistulas

Anal Fistula
RedDress Ltd.110 enrolled10 locationsNCT05641844
Recruiting

Effectiveness of Pudendal Nerve Block in reducing Post-Op Pain after Proctological Interventions in patients aged 18 to 70 years old

AnesthesiaHemorrhoidsPerianal Fistula
Combined Military Hospital Tamiz ud din road Rawalpindi Pakistan 4600096 enrolled1 locationACTRN12625000850471
Recruiting
Not Applicable

Study on Repeat Liposomal Bupivacaine for Post-Surgery Pain in Anal Fistula Patients.

Anal Fistula
Sixth Affiliated Hospital, Sun Yat-sen University408 enrolled1 locationNCT07081373
Recruiting
Not Applicable

Effect of Listening to Standardized Music Sequences on Preventing Postoperative Pain in Proctologic Surgery

Musical TherapyHemorrhoidAnal Fistulas+1 more
Clinique Saint-Vincent550 enrolled2 locationsNCT06798155
Recruiting

Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford

Multiple Endocrine Neoplasia Type 1Multiple Endocrine Neoplasia Type 2Rare Disorders+337 more
Sanford Health20,000 enrolled2 locationsNCT01793168
Recruiting
Phase 1

Safety of Allogeneic Human Umbilical Cord Mesenchymal Stem Cells (UC-MSCs) to Treat Perianal Fistulas w/ Crohn's Disease

Perianal Fistula Due to Crohn's DiseaseFistula in Ano
CryoCord Sdn Bhd5 enrolled1 locationNCT05039411
Recruiting
Phase 1

Efficacy and Safety of Upatinib in the Treatment of Active Anal Fistulas in Crohn's Disease

Crohn's DiseasesActive Anal FistulaUpadacitinib
Sixth Affiliated Hospital, Sun Yat-sen University27 enrolled1 locationNCT06902987
Recruiting
Not Applicable

Fistura® Procedure for the Treatment of Complex Anal Fistulas

Complex Anal Fistulas
F Care Systems NV50 enrolled1 locationNCT06113068
Recruiting
Not Applicable

Effect of Enhanced Recovery After Surgery for Benign Anorectal Conditions

HaemorrhoidAnal FistulaEnhanced Recovery After Surgery (ERAS) Protocol+1 more
Mansoura University100 enrolled1 locationNCT06803550
Recruiting

Study on the Treatment of Anal Fistulas Using Alofisel Versus Fat Autologous Stem Cells

Crohn DiseaseAnal Fistula
Nantes University Hospital20 enrolled1 locationNCT05974280
Recruiting
Phase 1Phase 2

Tissue Therapy of Transsphincteric Anal Fistula

Anal Fistula
University of Southern Denmark75 enrolled1 locationNCT06303752