New pill aims to bring back color to vitiligo skin
NCT ID NCT07667569
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This phase 2a trial tests whether a daily pill called ACT-777991 can help return color to the face of adults with non-segmental vitiligo. About 30 participants will take either the drug or a placebo for 24 weeks. Researchers will measure changes in skin color using a standard scoring system.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- ACT-777991 (a daily tablet)
- What this could lead to
- If it works, this could point toward a new treatment option to restore skin color in people with vitiligo.
- What could go wrong
- This is an early proof-of-concept trial with only 30 participants, so results may not apply to everyone. It is also compared to a placebo, so the real benefit is still uncertain.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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.
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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