Clinical Trial: A Study to Learn How Safe ACT-777991 is and How Well it Works in Adults With Non-segmental Vitiligo

U.S., June 26 -- ClinicalTrials.gov registry received information related to the study (NCT07667569) titled 'A Study to Learn How Safe ACT-777991 is and How Well it Works in Adults With Non-segmental Vitiligo' on May 11.

Brief Summary: The purpose of this clinical trial is to learn how well ACT-777991 works, how safe it is and how well it is tolerated by adults with non-segmental vitiligo.

The main question this clinical trial aims to answer is:

* Can ACT-777991 help return color to the skin of the face of adults with non-segmental vitiligo?

Researchers will compare ACT-777991 to placebo (a look-alike inactive treatment that contains no medicine) to see if ACT-777991 works to treat non-segmental vitiligo.

Trial participants will:

* Ta...