Pilonidal cyst comeback: study probes toll on life quality
NCT ID NCT07194161
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study follows 100 people whose pilonidal cyst came back after either surgery or laser treatment. Researchers will use questionnaires to measure how the recurrence impacts quality of life, pain, and daily activities. The goal is to better understand the real-world burden of this condition.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2025
- Expected to finish
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Mar 2026
An estimate. End dates often move.
- Lead sponsor
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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 consulting for a recurrence of pilonidal sinus previously treated as first-line treatment by radical surgery or laser.
- Ages
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14 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Patient aged 14 or over * Patient has been informed of the objectives and conditions of the study and has not objected to the collection of his/her data. * If the patient is under 18 years of age, both parents or the holder(s) of parental authority have been informed of their child's participation in the study and do not oppose it * Presenting a recurrence of pilonidal sinus after a first complete treatment by radical surgery or laser Recurrence is defined by : * The presence of persistent troublesome symptoms more than 6 months after surgery: suppuration, iterative scar disunion, absence of healing despite care deemed optimal by the expert, recurrence of abscesses * The presence of a characteristic MRI image, if this examination has been carried out: subcutaneous collection, in hyper T2. Exclusion Criteria: * Symptoms less than 6 months old * First operation limited to simple abscess flattening * Atypical symptoms, without radiological confirmation of recurrence: isolated pain, induration without inflammatory phenomena * History of more than one elective surgery for pilonidal sinus * Pilonidal sinus associated with a posteriorly developed anal fistula * Persistence of a skin orifice, with no hair in it, without any symptoms * Patient under court protection, guardianship or curatorship * Mental deficiency or any other reason that may hinder comprehension of the information and non-opposition note0
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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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.
Contacts and locations
Locations
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Clinique de la Sauvegarde
RECRUITINGLyon, 69009, France
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