Can a common amino acid outperform chemotherapy cream to restore skin color?
NCT ID NCT07742982
First seen Aug 03, 2026 · Last updated Aug 12, 2026 · Updated 3 times
Summary
This trial tests whether applying tyrosine or 5-fluorouracil to the skin, combined with a fractional erbium YAG laser, can help restore color in people with focal vitiligo. Vitiligo is an autoimmune condition that causes white patches by destroying pigment-making cells. The study will measure changes in the Vitiligo Area Scoring Index to see which treatment works better. Around 40 adults with focal vitiligo will take part.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Topical tyrosine or topical 5-fluorouracil, each combined with fractional erbium YAG laser
- What this could lead to
- If successful, this could point toward a more effective treatment to restore skin color in people with focal vitiligo.
- What could go wrong
- This is a small early-phase trial, so results may not apply broadly. Treatments may cause skin irritation or fail to produce lasting repigmentation.
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.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2026
- Expected to finish
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Jun 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 to 60 years
- 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: \- Patients with focal vitiligo Exclusion Criteria: * Pregnancy. * Lactation. * Patients with segmental vitiligo. * Patients with autoimmune disease including thyroiditis. * Patients with chronic systemic diseases,such as anemia ,diabetes mellitus, immunosuppression, or chronic infections. * Patients with active skin infections.
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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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Aswan University Hospital
RECRUITINGAswān, Egypt