Alopecia areata trials in Japan

In Japan 8 Also abroad 44

8 trials · From ClinicalTrials.gov, checked 15 November 2026. Ask the study team whether a trial fits you.

Phase 3Taking people
A Study of Baricitinib (LY3009104) in Children From 6 Years to Less Than 18 Years of Age With Alopecia Areata
Where
Hamamatsu, Kurume, Mitaka, Miyagi-gun, Niigata, Osaka, Shinjuku-ku, Ube
Age
6 years to 17 years
People
595 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT05723198 · EU 2022-502700-78-00
Phase 3Taking people
Study to Evaluate the Efficacy and Safety of Deuruxolitinib in Japanese Adults With Severe Alopecia Areata
Where
Asahikawa, Bunkyō City, Ebina, Hamamatsu, Ishikawa, Kitakyushu, Kōtoku, Kurashiki, Kurume, Kyoto, Mitaka-shi, Miyagi-gun, Niigata, Osaka, Sapporo, Shinjuku-Ku, Ube
Age
18 years to 65 years
People
78
Run by
Sun Pharma Japan Limited
See details and how to joinNCT07617597
Phase 3Taking people
A Study to Evaluate the Safety and Effectiveness of Upadacitinib in Pediatric Participants With Alopecia Areata
Where
Osaka
Age
6 years to 17 years
People
300 worldwide
Run by
AbbVie
See details and how to joinNCT07772492 · EU 2025-525048-16-00
Phase 3Taking people
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
Where
Hamamatsu, Kitakyushu-shi, Koto-ku, Mitaka, Niigata, Osaka, Shinjuku-ku
Age
12 years and over
People
336 worldwide
Run by
Pfizer
See details and how to joinNCT07733765
Phase 3Taking people
A Study of 2 Doses of Ritlecitinib in People 12 Years of Age and Older With Alopecia Areata
Where
Hamamatsu, Koto-ku, Kurume, Mitaka, Niigata, Osaka, Sendai, Shinjuku-ku
Age
12 years and over
People
674 worldwide
Run by
Pfizer
See details and how to joinNCT06873945 · EU 2024-519370-40-00
Phase 3Active, not recruiting
A Study to Evaluate the Safety and Effectiveness of Upadacitinib Tablets in Adult and Adolescent Participants With Severe Alopecia Areata
Where
Hamamatsu, Kurume-shi, Mitaka-shi, Niigata, Osaka, Sagamihara-shi, Shinjuku-ku, Ube-shi
Age
12 years to 63 years
People
1,500 worldwide
Run by
AbbVie
See details and how to joinNCT06012240 · EU 2023-505061-82-01
Phase 3Taking people
A Long-Term Study to Learn About The Study Medicine Called Ritlecitinib in Children With Severe Alopecia Areata.
Where
Hamamatsu, Mitaka, Niigata, Osaka, Sendai
Age
6 years to 14 years
People
140 worldwide
Run by
Pfizer
See details and how to joinNCT07029828 · EU 2024-515439-31-00
No phaseTaking people
A Real World Study to Globally Assess Disease Burden in Adolescent and Adult Participants With Alopecia Areata, Vitiligo, or Hidradenitis Suppurativa
Where
Ebina-shi, Mitaka-shi, Osaka, Ōta-ku
Age
12 years and over
People
2,795 worldwide
Run by
AbbVie
See details and how to joinNCT07136467