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Study identifier: NCT07733765 Synced from ClinicalTrials.gov · July 29, 2026
● Not Yet Recruiting

A Study in Young People and Adults to Learn About the Medicine Ritlecitinib for Treatment of Patchy Hair Loss, Known by the Medical Term as Moderate Alopecia Areata

Condition: Alopecia Areata  ·  Sponsor: Pfizer

PhasePhase 3
Planned participants336
Who can joinAll sexes, 12 Years to no upper limit
Healthy volunteersNo

About this study

The purpose of this clinical study is to learn about the safety and effects of the study medicine (called ritlecitinib) for the potential treatment of moderate alopecia areata (AA). This study is seeking participants who are * 12 years or older (if permitted by the local IRB/EC and local regulatory health authority) * have AA with patchy hair loss. The current episode of hair loss has lasted for 6 months or longer but 10 years or less * do not have any other diseases or conditions affecting hair loss. Participants will have a 2 in 3 chance of receiving ritlecitinib 50 mg and a 1 in 3 chance of receiving placebo. The placebo looks like the study medicine but does not contain any active ingredients. Participants will not know what you have been assigned to receive. They will take ritlecitinib or placebo once daily by mouth at home for 24 weeks (6 months). After 24 weeks, the assigned treatment may stay the same or be changed to ritlecitinib 50 mg or 100 mg. This change will depend on how participants' alopecia areata responds to the treatment. Participants will receive the newly assigned treatment for another 23 weeks. About 4 weeks after the last dose, there will be a follow-up visit. At this visit, the team will check on your health. Participants will take part in this study for about 57 weeks. During this time, they will have study visits at the study clinic. Some study checks will be done by phone. We will compare the experiences of people receiving ritlecitinib to tho…

This description comes directly from the study's public registry record.

Talk to the study team

Pfizer CT.gov Call Center  ·  1-800-718-1021  ·  ClinicalTrials.gov_Inquiries@pfizer.com

Always discuss trial participation with your own doctor first.

Locations (4)

Dawes Fretzin Clinical Research Group, LLCIndianapolis, Indiana, United States
University of Iowa Hospitals & ClinicsIowa City, Iowa, United States
Center for Clinical Studies - Houston - Binz StreetHouston, Texas, United States
Center for Clinical Studies, LTD. LLPHouston, Texas, United States

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Source record: clinicaltrials.gov/study/NCT07733765