Comparative Efficacy and Safety of Janus Kinase Inhibitors Used in Alopecia Areata: A Systematic Review and Meta-Analysis

    January 2023 in “ Acta dermato-venereologica
    Farnam Barati Sedeh, Thórunn Elísabet Michaelsdóttir, Mattias A S Henning, Gregor B E Jemec, Kristina Sophie Ibler
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    TLDR Baricitinib and deuruxolitinib are effective for treating alopecia areata, but their efficacy depends on the dose.
    This study systematically reviewed and conducted a meta-analysis on the efficacy and safety of Janus kinase inhibitors for treating alopecia areata, focusing on changes in the Severity of Alopecia Tool (SALT) score. A total of 37 studies were included, with 5 randomized controlled trials forming the basis of the meta-analysis. The results indicated that baricitinib 4 mg once daily was most effective for patients with ≥ 50% scalp hair loss, while deuruxolitinib 12 mg twice daily was most effective for those with a SALT score ≥ 50. Both drugs show promise, but their efficacy is dose-dependent. Further randomized trials with consistent criteria are needed to validate these findings.
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