- Conditions
- Alopecia Areata
- Interventions
- Ritlecitinib
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 12 Years and older
- Enrollment
- 450 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2028
- U.S. locations
- 28
- States / cities
- Birmingham, Alabama • Montgomery, Alabama • Fremont, California + 23 more
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–28
of 4
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Alopecia Areata
- Interventions
- PF-06651600, Placebo
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 71 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 23
- States / cities
- Huntington Beach, California • Irvine, California • Boca Raton, Florida + 17 more
- Conditions
- Severe Alopecia Areata
- Interventions
- Ritlecitinib higher dose, Ritlecitinib lower dose
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 6 Years to 14 Years
- Enrollment
- 140 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2030
- U.S. locations
- 18
- States / cities
- Encinitas, California • Miami, Florida • Tamarac, Florida + 12 more
- Conditions
- Stable Nonsegmental Vitiligo, Active Nonsegmental Vitiligo
- Interventions
- Ritlecitinib, Placebo
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 12 Years and older
- Enrollment
- 607 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 46
- States / cities
- Birmingham, Alabama • Encinitas, California • Huntington Beach, California + 31 more