Fistula Rerouting versus LIFT for high perianal fistula

Comparative Study Between Fistula Rerouting Technique and Ligation of Intersphincteric Fistula Tract (LIFT) Technique in Treatment of High Perianal Fistula.

Not applicable Interventional Cairo University · NCT07399353

This trial will test whether the Fistula Rerouting technique or the LIFT operation works better for adults with high perianal fistula by comparing recurrence and bowel-control after surgery.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment40 (estimated)
Ages20 Years to 65 Years
SexAll
SponsorCairo University Academic / other
Locations1 site (Cairo, Al-Manial Cairo)
Trial IDNCT07399353 on ClinicalTrials.gov

What this trial studies

This is a prospective, randomized, controlled, parallel-group surgical trial comparing two sphincter-preserving operations for high perianal fistula: staged Fistula Rerouting Technique (FRT) and Ligation of the Intersphincteric Fistula Tract (LIFT). Adult participants will undergo preoperative assessment including MRI to confirm fistula anatomy, then be randomly assigned to one of the two surgical procedures. Primary outcome is postoperative fistula recurrence and a key secondary outcome is postoperative fecal continence, measured with standardized scoring and follow-up exams. The trial excludes patients with preoperative incontinence, inflammatory bowel disease, complex branching tracts, pregnancy, or contraindications to anesthesia.

Who should consider this trial

Good fit: Adults aged 20–65 with confirmed high trans-sphincteric or extrasphincteric perianal fistula (including recurrent cases) who can consent and tolerate spinal/general anesthesia are ideal candidates.

Not a fit: Patients with preoperative fecal incontinence, inflammatory bowel disease (e.g., Crohn's), complex branching fistula tracts, pregnancy, or age under 20 are unlikely to be eligible or benefit from these specific procedures.

Why it matters

Potential benefit: If one technique proves superior, patients could have fewer recurrences and better preservation of bowel control after surgery.

How similar studies have performed: The LIFT procedure has shown reasonable success in multiple series since 2007, while Fistula Rerouting has been described previously, but direct head-to-head comparative data are limited.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult patients (age 20-65 years) presenting with a high perianal fistula, defined as:Trans-sphincteric fistula tract traversing the upper two-thirds of the external anal sphincter, Or Extrasphincteric fistula.
* Patients with recurrent perianal fistula.
* Ability to provide informed consent.

Exclusion Criteria:

* Patients with preoperative fecal incontinence (as assessed by the Cleveland Clinic Fecal Incontinence Score).
* Diagnosis of inflammatory bowel disease (e.g., Crohn's disease, ulcerative colitis).
* Pregnant women.
* Pediatric patients (age \< 20 years).
* Patients with complex, branching fistula tracts.
* Any contraindication to spinal/general anesthesia or surgery.

Where this trial is running

Cairo, Al-Manial Cairo

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions High Perianal FistulaFistula reroutingLIFTHigh perianal fistulaAnal fistula surgerySphincter-saving surgeryFecal incontinenceRandomized controlled trial
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.