New combo treatment for stubborn scars tested in clinical trial
NCT ID NCT07526168
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two treatments for keloids (raised scars that grow beyond the original wound). One group gets a special freezing treatment inside the scar (intralesional cryosurgery) alone. The other group gets the same freezing plus an injection of two medicines (5-fluorouracil and triamcinolone acetonide) into the scar. The goal is to see which approach reduces scar size and symptoms like pain and itching better. The study will include 32 adults with keloids that have been present for at least one year.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 32 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2027
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.
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adult patients (≥18 years) with clinically diagnosed keloids . * Keloids of size 1-10 cm in greatest dimension . * Keloids of at least one year duration Exclusion Criteria: * Females who are pregnant, planning pregnancy, or lactating . * Hypertrophic scars . * Chronic kidney or liver disease (relevant for 5-FU safety) . * Patients with active inflammation, infection, or ulcer at or around the keloid or Lesions suspicious for malignancy . * Patients who received any treatment for the same keloid in the past 12 months . * Immunosuppressed patients or those with chronic inflammatory diseases .
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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 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.
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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