March 2026 in “Immunological Medicine” Janus kinase inhibitors help some people with severe alopecia areata regrow hair, but not everyone responds, and relapses can happen.
July 2024 in “Journal of Investigative Dermatology” Brepocitinib improves cicatricial alopecia and reduces key immune markers.
JAK inhibitors effectively regrow hair in children with alopecia areata and are safe to use.
489 citations
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November 2021 in “Signal Transduction and Targeted Therapy” The JAK/STAT pathway is important in cell processes and disease, and JAK inhibitors are promising for treating related conditions.
238 citations
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November 2016 in “Journal of The American Academy of Dermatology” Tofacitinib is effective and safe for severe hair loss, but full regrowth is less likely after 10 years of hair loss.
40 citations
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December 2016 in “Journal of Dermatological Treatment” JAK inhibitors show promise for treating skin and hair disorders but need more research on long-term safety and effectiveness.
14 citations
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January 2020 in “Mediterranean Journal of Rheumatology” New JAK inhibitor drugs show promise for treating skin diseases but need more research on safety and effectiveness.
2 citations
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April 2023 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” JAK-inhibitors for alopecia areata are generally safe with mostly mild side effects and a low rate of treatment withdrawal.
January 2026 in “Medicina” JAK inhibitors show promise for treating various skin disorders effectively and safely.
March 2025 in “European Journal of Medical Genetics” Tofacitinib helped improve symptoms and hair growth in a patient with Aicardi-Goutières syndrome.
55 citations
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October 2019 in “Dermatology and therapy” Drugs targeting the JAK/STAT pathway can improve atopic dermatitis but vary in effectiveness for vitiligo and alopecia areata, with generally mild safety concerns.
37 citations
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August 2022 in “Frontiers in pharmacology” Oral JAK inhibitors are effective and safe for treating alopecia areata but may need ongoing use to keep results.
7 citations
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April 2023 in “Frontiers in immunology” Oral baricitinib and ruxolitinib are effective and safe for treating alopecia areata.
October 2021 in “International Journal of Dermatology” JAK inhibitors do not improve hair regrowth in androgenic alopecia but may prevent further hair loss.
45 citations
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November 2018 in “Journal of dermatological treatment” JAK-inhibitors are effective for treating psoriasis and show promise for other skin diseases.
18 citations
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August 2024 in “eLife” JAK inhibition may help manage autoimmune conditions in Down syndrome.
16 citations
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June 2018 in “JAAD case reports” A JAK inhibitor improved both severe hair loss and chronic skin disease in one patient.
4 citations
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June 2023 in “Frontiers in immunology” JAK inhibitors help hair regrowth in alopecia areata but have a high risk of side effects.
4 citations
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July 2023 in “Nature Medicine” The FDA approved a new Pfizer drug for hair loss in teens.
3 citations
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April 2016 in “Journal of Investigative Dermatology” Tofacitinib, a JAK inhibitor, improved hair regrowth in most patients with severe alopecia areata and had minimal side effects.
2 citations
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February 2025 in “Archives of Dermatological Research” Baricitinib is a safe and effective alternative for alopecia areata patients who do not respond to tofacitinib.
2 citations
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April 2017 in “Journal of Investigative Dermatology” Tofacitinib helped over half of the patients with severe hair loss regrow at least 50% of their hair.
March 2026 in “JMIR Dermatology” Interest in JAK inhibitors for alopecia areata increased significantly after FDA approval, highlighting the need for patient education.
February 2026 in “Colloids and Surfaces A Physicochemical and Engineering Aspects” JAK inhibitors can enter the skin through hair follicles using a unique pathway.
January 2026 in “Skin Health and Disease” Irish dermatologists use JAK inhibitors for alopecia areata but want standardized treatment guidelines.
December 2025 in “Journal of Human Immunity” JAK inhibitors may help improve symptoms in adults with APECED.
November 2025 in “Journal of Cutaneous Medicine and Surgery” JAK inhibitors are effective and safe for treating severe alopecia areata.
August 2025 in “Dermatology and Therapy” JAK inhibitors show promise for treating alopecia areata but have serious side effects.
June 2025 in “British Journal of Dermatology” JAK inhibitors help regrow hair in alopecia areata, but their long-term safety is still unclear.
April 2025 in “International Journal of Dermatology” JAK inhibitors effectively reduce alopecia areata symptoms in Black patients.