355 citations
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January 2017 in “Journal of the American Academy of Dermatology” This review reports no new results and highlights existing research suggesting JAK inhibitors may be effective in treating inflammatory skin conditions like alopecia areata, atopic dermatitis, psoriasis, and vitiligo.
277 citations
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December 2019 in “Frontiers in Immunology” This review discusses the immunological basis and development of Janus kinase inhibitors for treating skin diseases and reports no new clinical findings.
223 citations
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September 2018 in “Rheumatology” This review examines clinical data on the efficacy and safety of JAK inhibitors used for immune-mediated conditions beyond rheumatoid arthritis, highlighting their potential therapeutic roles in various inflammatory diseases.
42 citations
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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.
40 citations
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June 2021 in “Clinical, cosmetic and investigational dermatology” This review explores the efficacy and outcomes of using JAK inhibitors for treating alopecia areata, noting advancements in understanding the disease's pathomechanisms and suggesting that JAK inhibitors may offer targeted therapeutic benefits by blocking specific inflammatory pathways involved in this chronic condition.
40 citations
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December 2016 in “Journal of Dermatological Treatment” This study reviewed the role of the JAK/STAT signaling pathway in skin diseases and the potential of JAK inhibitors for treating conditions like psoriasis and atopic dermatitis. Although the findings are promising, the authors concluded it is premature to establish their place in dermatological treatments.
24 citations
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July 2021 in “Pharmaceutics” This article reviews the JAK signaling pathway and the development of ruxolitinib cream as a targeted treatment for inflammatory skin diseases, reporting no new clinical results.
16 citations
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July 2020 in “International Journal of Molecular Sciences” This study found that ruxolitinib modulated inflammatory changes and stimulated growth factor signals by blocking the JAK-STAT pathway in an in vitro model of alopecia areata.
15 citations
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June 2020 in “Processes” This study suggests that the emulsion extract of brevilin A from Centipeda minima may stimulate hair regrowth in individuals with mild to moderate vertex balding by inhibiting JAK3.
14 citations
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January 2020 in “Mediterranean Journal of Rheumatology” This review discusses the development of Janus kinase inhibitors for dermatologic diseases and reports no new results; the authors note the need for further research on their efficacy and safety.
7 citations
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September 2024 in “The Journal of Dermatology” This study evaluated the effectiveness and safety of ritlecitinib in patients aged 12 or older with alopecia totalis or universalis, finding higher hair regrowth response rates compared to placebo at 24 weeks, with continued improvement and acceptable safety through 48 weeks.
5 citations
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April 2019 in “Journal of Investigative Dermatology” This study found that oral JAK3 and TYK2/JAK1 inhibitors improved clinical outcomes in alopecia areata patients by reducing immune responses and enhancing hair keratin expression, with stronger effects in those with shorter disease duration.
2 citations
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September 2024 in “Expert Opinion on Drug Metabolism & Toxicology” This review highlights Ritlecitinib as a promising new oral treatment for Alopecia Areata, emphasizing its targeted action and potential efficacy, especially in adults and adolescents, though it notes the need for further real-world effectiveness and long-term safety studies.
March 2026 in “Tropical Journal of Natural Product Research” In this study, the bark extract of Albizia saponaria was analyzed for its metabolites and potential anti-alopecia effects, identifying several compounds with predicted affinities for proteins involved in hair loss pathways.
November 2025 in “Journal of Investigative Dermatology” TEC kinases may help cause inflammation in vitiligo and could be targeted for treatment.
November 2025 in “Scholarly Commons (Embry–Riddle Aeronautical University)” This review discusses how urban air pollutants may influence the regulation of JAK3 signaling in alopecia areata and reports no new experimental results; the authors integrate existing data to map potential pathways and biomarkers.
September 2025 in “Journal of the American Academy of Dermatology” Ritlecitinib may help treat alopecia areata by protecting hair follicles.
July 2025 in “Journal of Investigative Dermatology” Ritlecitinib reduces alopecia areata symptoms by blocking JAK3/TEC signaling and T-cell activity.
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.
April 2024 in “Journal of translational medicine” In this study, the researchers identified MJ04, a selective JAK3 inhibitor, as a promising candidate for promoting hair growth, demonstrating efficacy in both animal models and human hair follicle assays with a favorable safety and pharmacokinetic profile.
January 2024 in “American journal of clinical dermatology” This study reports that ritlecitinib, when used for up to 24 months in patients aged 12 and older with alopecia areata, has an acceptable safety profile, with a similar proportion of adverse events in both ritlecitinib and placebo groups in the placebo-controlled cohort.
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.
April 2019 in “Journal of Investigative Dermatology” Targeting immune pathways like JAK/STAT may help treat frontal fibrosing alopecia.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, quercetin and kaempferol, two plant-derived flavonoids, showed stronger binding affinities to JAK3 kinase and moderate binding to 5-alpha reductase type 2, suggesting their potential as natural treatments for androgenetic alopecia, with quercetin demonstrating suitable properties for topical application.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study used molecular docking to analyze the binding affinities of quercetin and kaempferol, plant-derived flavonoids, showing they have promising interaction profiles with JAK3 kinase and moderate binding with 5-alpha reductase type 2, suggesting potential as topical treatments for androgenetic alopecia.
October 2025 in “Records of Natural Products” This research found that kaempferol, a flavonoid from hair growth-promoting plants, significantly enhanced human dermal papilla cell proliferation and inhibited specific signaling pathways, outperforming minoxidil, with topical application in mice promoting hair growth and thickness, indicating potential as a natural hair loss treatment.
This study examined molecular predictors of ritlecitinib efficacy in treating alopecia areata, highlighting the role of JAK3-dependent inflammation and follicular integrity as important factors in understanding disease mechanisms and potential therapeutic effectiveness.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that OR-101, a selective JAK3/TEK inhibitor, was associated with dose-dependent improvements in hair growth in humanized mice with alopecia areata, suggesting its potential as a treatment option.
January 2023 in “Indian Dermatology Online Journal” This review discusses the role of the JAK/STAT pathway in managing alopecia areata and emphasizes the need for further research to determine the ideal JAK inhibitor, as it reports no new clinical results.
August 2025 in “Dermatology and Therapy” This review reports that three JAK inhibitors—baricitinib, ritlecitinib, and deuruxolitinib—have gained FDA approval for treating alopecia areata due to their demonstrated efficacy in fostering hair regrowth in clinical trials.