January 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” This literature review indicates that tofacitinib, both orally and topically, holds promise as a safe and effective treatment for various dermatological conditions in pediatric patients, though its use requires careful consideration of its benefits and risks.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that JAK1 and JAK3 inhibitors effectively reversed alopecia in a mouse model of AA by reducing skin inflammation, while JAK2 inhibition did not promote hair regrowth.
September 2019 in “Journal of Investigative Dermatology” In this study, dose-response modeling predicted that once-daily abrocitinib doses of 100 mg and 200 mg may provide a clinically meaningful response in treating moderate-to-severe atopic dermatitis compared to placebo.
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April 2021 in “JCI insight” In this study, selective inhibition of JAK3 signaling effectively prevented and reversed alopecia areata in a mouse model, while JAK2 inhibitors did not restore hair growth.
February 2025 in “PubMed” In this study, researchers evaluated CS12192, a selective JAK3 inhibitor, in an alopecia areata mouse model and found it reversed hair growth inhibition comparably to baricitinib, with better safety and similar immune-modulating mechanisms.