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RECRUITING
NCT07807319
NA

Loose Seton Prior to Surgery for Single-tract Cryptoglandular Fistula vs no Seton

Sponsor: Proctos Kliniek

View on ClinicalTrials.gov

Summary

Cryptoglandular anal fistulas can cause pain, discharge, recurrent infection, and a prolonged treatment course. In current practice, patients with a single-tract mid-high or high cryptoglandular anal fistula often first undergo placement of a loose seton before definitive sphincter-preserving surgery. Although this staged approach is widely used, high-quality evidence showing that preoperative seton placement improves healing or other patient outcomes is limited. The SETON trial is a multicenter, randomized, controlled non-inferiority trial that compares two accepted treatment strategies: loose seton placement for approximately 8 weeks followed by definitive sphincter-preserving surgery versus direct sphincter-preserving surgery without prior seton placement. The study aims to determine whether omitting routine seton placement is not inferior in terms of fistula closure 26 weeks after the final surgical intervention. Secondary outcomes include recurrence, postoperative complications, re-interventions, pain, continence, fistula-related quality of life, generic quality of life, return to work, and healthcare and societal costs. The results of this trial may help determine whether a routinely used treatment step can be safely omitted, potentially reducing treatment burden, shortening the treatment pathway, and lowering costs.

Official title: Loose Seton Prior to Surgery for Single-tract Cryptoglandular Fistula vs no Seton: a Multicenter Randomised Study

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

277

Start Date

2026-01-01

Completion Date

2029-01-01

Last Updated

2026-09-08

Healthy Volunteers

Yes

Interventions

PROCEDURE

No seton placement prior to surgery

No seton placement prior to sfincter preserving surgery

Locations (2)

Ziekenhuis Amstelland

Amstelveen, North Holland, Netherlands

Proctos Kliniek

Bilthoven, North Holland, Netherlands