Predictive Factors for Treatment Responses to Baricitinib in Severe Alopecia Areata: A Retrospective, Multivariate Analysis of 70 Cases from a Single Center

    January 2025 in “ The Journal of Dermatology
    Moyuka Wada‐Irimada, Takehiro Takahashi, Mana Sekine, Toshiki Okazaki, Takuya Takahashi, Tomoko Chiba, Emi Yamazaki, Kosuke Shido, Toshiya Takahashi, Masato Mizuashi, Yoshihide Asano
    From the encyclopedia
    Baricitinib →

    JAK inhibitor that reduces inflammation and immune attacks on hair follicles, leading to potential hair regrowth, especially in alopecia areata cases

    Alopecia Areata →

    autoimmune disorder causing patchy hair loss

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    Studysummary In this study at Tohoku University Hospital, 41% of severe alopecia areata patients achieved significant hair regrowth with baricitinib treatment over 9 months, with predictors of better outcomes including shorter disease duration, female sex, initial mild disease, certain alopecia types, and prior IVMP therapy.
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