New pill could help regrow hair in severe alopecia
NCT ID NCT07023302
First seen Jun 27, 2026 · Last updated Jul 31, 2026 · Updated 2 times
Summary
This study tests a daily pill called upadacitinib for people with severe alopecia areata, an immune system attack on hair follicles causing at least 25% scalp hair loss. About 123 teens and adults in Japan will take either the drug or a placebo for up to 104 weeks to see if it safely regrows hair. The goal is to reduce hair loss to 10% or less of the scalp.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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125 people
The number who actually took part.
- Started
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Jun 2025
- Expected to finish
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Feb 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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12 to 63 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Participant is judged to be in good health as determined by the Principal Investigator, based upon the results of the Screening assessments and medical history. * Diagnosis of severe alopecia areata (AA) with Severity of Alopecia Tool (SALT) score \>= 25 (\>= 25% scalp hair loss) at Screening and Baseline. * Current episode of AA of less than 8 years. Exclusion Criteria: * Current diagnosis of primarily diffuse type of AA. * Current diagnosis of other types of alopecia that would interfere with evaluation of AA, including but not limited to female pattern hair loss, male pattern hair loss (androgenetic alopecia) Stage III or greater based on Hamilton-Norwood classification, traction alopecia, lichen planopilaris (LPP), discoid lupus, frontal fibrosing alopecia (FFA), central centrifugal cicatricial alopecia (CCCA), folliculitis decalvans, trichotillomania, and telogen effluvium. * Diagnosis of other types of inflammatory scalp, eyebrow, or eyelash disorders that would interfere with evaluation of AA as determined by the investigator, including but not limited to seborrheic dermatitis, scalp psoriasis, atopic dermatitis (AD), and tinea capitis. * Active infection(s) requiring treatment with intravenous anti-infectives within 30 days, or oral/intramuscular anti-infectives within 14 days prior to the Baseline Visit. * Chronic recurring infection and/or active viral infection that, based on the investigator's clinical assessment, makes the participant an unsuitable candidate for the study.
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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.
Contacts and locations
Locations
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Hamamatsu University Hospital /ID# 274639
Hamamatsu, Shizuoka, 431-3192, Japan
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Juntendo Tokyo Koto Geriatric Medical Center /ID# 275424
Tokyo, 136-0075, Japan
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Kanazawa Medical University Hospital /ID# 275521
Kahoku-gun, Ishikawa-ken, 920-0265, Japan
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Keio University Hospital /ID# 275640
Shinjuku-ku, Tokyo, 160-8582, Japan
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Kurume University Hospital /ID# 275519
Kurume-shi, Fukuoka, 830-0011, Japan
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Kyorin University Hospital /ID# 274882
Mitaka-shi, Tokyo, 181-8611, Japan
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Nagomi Dermatology Clinic /ID# 275418
Ebina-shi, Kanagawa, 243-0432, Japan
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Nagoya City University Hospital /ID# 275409
Nagoya, Aichi-ken, 467-8602, Japan
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Niigata University Medical and Dental Hospital /ID# 274775
Niigata, Niigata, 951-8520, Japan
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Osaka Metropolitan University Hospital /ID# 274956
Osaka, Osaka, 545-8586, Japan
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Rifu Dermatology Allergy Clinic /ID# 274875
Miyagi-gun, Miyagi, 981-0112, Japan
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Shinsaibashi Inui Dermatology Clinic. /ID# 274851
Osaka, Osaka, 542-0081, Japan
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Tohoku University Hospital /ID# 274931
Sendai, Miyagi, 980-8574, Japan
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Tokyo Medical University Hospital /ID# 274844
Shinjuku-ku, Tokyo, 160-0023, Japan
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Yamaguchi University Hospital /ID# 274638
Ube, Yamaguchi, 755-8505, Japan
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Other studies related to the condition(s) this trial covers.
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- Can a daily pill bring back hair in severe alopecia?