Danish study checks skin cancer patients years after radiation
NCT ID NCT07347392
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study invites 2,900 adults who had radiotherapy for non-melanoma skin cancer on the head or neck between 2020 and 2024 to a follow-up visit at least two years later. Participants will fill out a questionnaire about how the treated area looks and have their skin examined. The goal is to learn about cosmetic results and how often the cancer comes back, which may help improve future 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 real-world data to improve treatment guidelines for non-melanoma skin cancer.
- What could go wrong
- This is an observational study, not a trial testing a new treatment. It cannot prove cause and effect, and results may not apply to other countries or healthcare systems.
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 2,900 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Sep 2029
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
Adults aged 18 years or older with head and neck non-melanoma skin cancer (basal cell carcinoma or cutaneous squamous cell carcinoma) who received primary radiotherapy between 2020 and 2024 at five Danish oncology centres. Participants will be invited via the national digital mailbox (e-Boks) to attend a hospital follow-up visit at the centre where they received radiotherapy, at least two years after completion of treatment. The study represents a real-world national cohort within the Danish public health-care system.
- Ages
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18 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: * Adults aged 18 years or older * Received primary radiotherapy for malignant non-melanoma skin cancer (basal cell carcinoma or cutaneous squamous cell carcinoma) of the head and neck region between 2020 and 2024 * Able to understand and communicate in written and spoken Danish or English Exclusion Criteria: * Individuals who are incapable of giving informed consent
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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
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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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Aarhus University Hospital
Aarhus N, 8200, Denmark
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