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Exploration of biomarkers associated with recurrence in subjects with alopecia areata

Exploration of biomarkers associated with recurrence in subjects with alopecia areata

Watanabe Rei

Juntendo University Hospital

3-1-3 Hongo, Bunkyo-ku, Tokyo

r.watanabe.yw@juntendo.ac.jp

Watanabe Rei

Juntendo University Hospital

3-1-3 Hongo, Bunkyo-ku, Tokyo

+81-3-5802-1088

r.watanabe.yw@juntendo.ac.jp

Recruiting

Jan. 07, 2026

Observational

<Subjects with alopecia areata>
Subjects aged between 16 and 65 years at the time of providing informed consent.
Subjects with alopecia areata for whom intravenous steroid pulse therapy is considered appropriate by the treating physician.

<Healthy subjects*1, Healthy skin sample donors*2>
Subjects aged between 16 and 64 years at the time of providing informed consent.
Subjects with a Body Mass Index (BMI) of 18.5 or higher but less than 25.0.
*1: Including the secondary use of samples and data obtained from another clinical trial (jRCT1050250006) conducted by Maruho Co., Ltd.
*2: Healthy skin samples refer to scalp specimens surgically excised at Juntendo University Hospital. These samples are obtained from healthy areas of residual tissue stored after completion of diagnostic procedures.

<Subjects with alopecia areata>
Subjects with severe complications of the liver, kidneys, heart, or lungs requiring hospitalization.
Subjects who are pregnant or currently breastfeeding and who may be pregnant.
Subjects who wish to be pregnant during this study.
Subjects who have participated in another clinical trial, post-marketing study, or clinical research involving investigational products within 120 days prior to the date of sample collection, or who are currently enrolled in such studies.
Subjects considered inappropriate for the study by the principal investigator or co-investigators.

<Healthy subjects, Healthy skin samples donors>
Subjects with a history of alopecia areata.
Subjects with any medical conditions or histories of medication use that the principal investigator or co-investigators of the clinical research consider inappropriate for participation.
Subjects with a history of substance abuse or alcohol dependence.
Women who are pregnant, breastfeeding, or suspected to be pregnant.
Subjects who have participated in another clinical trial, post-marketing study, or clinical research involving investigational products within 120 days prior to the date of sample collection, or who are currently enrolled in such studies.
Subjects considered inappropriate for the study by the principal investigator or co-investigators.

Both

Alopecia areata / Healthy subjects / Subjects providing healthy skin samples

Factors related to recurrence.
Factors related to disease progression.

+81-3-3814-5672

Dec. 23, 2025

No

none