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New study aims to find the best surgical approach for anal fissures

NCT ID NCT07520552

Symptom relief Sponsor: Çanakkale Onsekiz Mart University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares three different surgical methods for treating chronic anal fissures that haven't healed with medication. 150 adults will be randomly assigned to one of the three techniques. The goal is to see which method best heals the fissure while minimizing the risk of accidental bowel leakage.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 150 people

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

Started

May 2026

Expected to finish

May 2028

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.

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 or older * Diagnosis of chronic anal fissure (duration ≥8 weeks) * Failure to heal after at least 6 weeks of appropriate medical treatment (topical agents, fiber supplementation, sitz baths) * Complete preoperative fecal continence (Wexner Incontinence Score = 0) * Primary anal fissure (posterior or anterior midline location) * Written informed consent Exclusion Criteria: * Any degree of preoperative fecal incontinence * Secondary anal fissure (associated with Crohn's disease, tuberculosis, HIV, syphilis, or other systemic conditions) * Previous anal sphincter surgery * History of obstetric sphincter injury * Active anorectal infection (abscess or fistula) * Pregnancy or breastfeeding * Uncorrectable coagulopathy or current anticoagulant use * Inability to cooperate with study procedures or attend follow-up visits

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Conditions

The condition(s) this trial relates to.

Fecal Incontinence

As listed by the trial registrant

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

Chronic anal fissure

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Canakkale Onsekiz Mart University

    RECRUITING

    Çanakkale, Çanakkale, 00017, Turkey (Türkiye)

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