Laser surgery for pilonidal cysts: does it last?

NCT ID NCT07314632

Knowledge-focused Sponsor: Centre Hospitalier Departemental Vendee Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study follows 240 adults who get laser surgery for pilonidal cysts, a painful skin condition near the tailbone. Researchers will check if the cyst comes back within two years by asking patients questions. The goal is to understand how effective laser treatment is over time.

What this could mean

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

What this could lead to: If successful, this study could provide clear data on how well laser surgery works for pilonidal cysts, helping doctors and patients make better treatment decisions.
What could go wrong: This is an observational study, not a controlled trial, so it cannot prove cause and effect. Results may not apply to all patients, and recurrence rates could be higher than expected.

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 240 people

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

Started

Mar 2026

Expected to finish

Jun 2030

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

The study will be conducted in two centers that regularly perform laser treatment for pilonidal cysts. Recruitment will be conducted prospectively upon the patients' arrival at the digestive surgery department.

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: * Patients requiring laser surgery for pilonidal sinus, of any type (including recurrence after radical cure or laser treatment) * Patient able to understand the protocol and having given written informed consent to participate in the study, * Patient affiliated to the social security system or entitled to it. Exclusion Criteria: * Patient participating in another interventional clinical research protocol involving a drug or clinical investigation of a medical device * Patient already included in a research study * Patient under guardianship, conservatorship, or deprived of liberty * Patient under an activated future protection mandate * Patient under family authorization * Patient under judicial protection.

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Conditions

The condition(s) this trial relates to.

pilonidal sinus

As listed by the trial registrant

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

Pilonidal sinus

How to take part

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

The places running it

2 sites. The list below names each one and where it is.
The official record

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

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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.

Laser surgery for pilonidal cysts: does it last?

What the study statuses mean