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Could emptying the bowel before laser surgery boost fistula healing?

NCT ID NCT07800065

Disease control Sponsor: Acibadem Kent Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 02, 2026 · Last updated Sep 03, 2026 · Updated 1 time

Summary

This trial tests whether preparing the bowel before fistula laser closure surgery helps the wound heal better. Anal fistulas are abnormal tunnels that can form near the anus, and laser closure is a technique to seal them while sparing the muscle. Researchers will compare two groups of 100 patients: one receives a standard bowel prep with a clear liquid diet and a laxative drink, and the other has no prep. The main goal is to see if more patients achieve complete healing at three months, with follow-up at six months to check for recurrence and quality of life.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Bowel preparation before fistula laser closure surgery, involving a clear liquid diet and polyethylene glycol solution
What this could lead to
If bowel preparation improves healing, it could become a standard step before fistula laser closure, reducing recurrence and the need for repeat surgery.
What could go wrong
This is a small, non-randomized study, so results may be influenced by patient differences. Bowel prep can cause discomfort, and some surgeons worry it might introduce contamination.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with anal fistula

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥18 years * Diagnosed cryptoglandular AF (simple or complex) * Scheduled for FiLaC procedure * Provided written informed consent Exclusion Criteria: * Fistula associated with Crohn's disease, tuberculosis, or malignancy * Signs of inflammation (presence of abscess) * Anovaginal fistulas * History of pelvic radiotherapy * Incomplete data or loss to follow-up prior to 6 months

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Conditions

The condition(s) this trial relates to.

anal fistula

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Anal fistula Anal fistula surgery Bowel preparation Fistula in ano LASER

How to take part

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  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

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