An observational study in Pilonidal Sinus, sponsored by Centre Hospitalier Departemental Vendee. Recruiting at 2 sites in France. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-03-23.
Sponsored by Centre Hospitalier Departemental Vendee · Observational
The goal of this observational study is to evaluate the recurrence rate after laser treatment of pilonidal sinus within two years of the procedure in adult patients who require this procedure to treat their pilonidal sinus.
The main question it aims to answer is:
109 studies on the registry are indexed under Pilonidal Sinus; 32 are open to participants now.
This study's planned enrollment of 240 is above the median of 145 across 37 observational studies indexed under Pilonidal Sinus.
Browse Pilonidal Sinus studies →Centre Hospitalier Departemental Vendee is the lead sponsor of 83 studies on the registry; 12 are open to participants now.
Counted across the registry records on this site, refreshed daily.
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.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
pilonidal sinus of any type (including recurrence after radical cure or laser treatment)
Clinical recurrence
2-year recurrence rate after laser sinusectomy (presence of openings in the intergluteal cleft)
Time frame: 2 years post-operatively
Plan to share: No
No publications or documents are linked to this record.
Started Mar 2026 (actual). Primary completion is estimated for Jun 2030, 50 months after the start.
How these figures are worked out, and which studies are left out of them.
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Centre Hospitalier Departemental Vendee