New study tracks men with lichen sclerosus for 10 years to uncover best treatments
NCT ID NCT06984263
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This observational study will follow 300 men diagnosed with lichen sclerosus, a chronic skin condition affecting the genitals, for up to 10 years. Researchers will track how well routine treatments like circumcision work, monitor for disease recurrence or complications, and assess the impact on quality of life and sexual health. The goal is to identify risk factors and improve long-term care.
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 a clearer understanding of how lichen sclerosus progresses and what treatments work best, potentially improving care guidelines.
- What could go wrong
- This is an observational study, not a controlled trial, so it cannot prove cause and effect. Results may be limited by the specific population in one region of Sweden.
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
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- Expected to finish
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Oct 2038
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
This study includes adult men (≥18 years old), Swedish-speaking, recruited from the dermatology and urology departments in Västerbotten County, Sweden. Participants with a clinical diagnosis of lichen sclerosus (LS) will be recruited from both departments. From the urology department, additional participants undergoing circumcision for phimosis will be included; this group may include both patients with and without LS, as confirmed by histopathological examination of the foreskin. An age-matched control group of men without genital symptoms will also be included. All participants must be able to provide informed consent.
- Ages
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18 years and older
- Sex
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Male participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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 for patients with LS (LS Urology and LS dermatology): * Biologically male * ≥18 years old * Referred to the dermatology department or the urology department in Västerbotten and diagnosed with LS. * Must be able to read and write Swedish to fill in questionnaire and informed consent. Inclusion criteria for control group "Controls - Urology": * Biologically male * ≥18 years old * Phimosis without LS, treated with circumcision at the urology department in Västerbotten * Must be able to read and write Swedish to fill in questionnaire and informed consent. Inclusion criteria for control group "Controls - General Population": * Biologically male with male genitalia * ≥18 years old * No genital symptoms * Must be able to read and write Swedish to fill in questionnaire and informed consent. Exclusion Criteria for all groups: * Age under 18 years old * Not able to read and write in Swedish. * Unable to leave an informed consent to participate.
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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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Umeå University Hospital
RECRUITINGUmeå, Sweden
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