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.
June 2024 in “Poster presentations” Janus Kinase inhibitors effectively induce remission in Ulcerative Colitis with an acceptable safety profile.
April 2017 in “Leukemia research” Tofacitinib helped most teenagers in the study regrow hair with mild side effects.
2 citations
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January 2023 in “Prague Medical Report” JAK inhibitors, like baricitinib, are effective and safe for treating alopecia areata.
185 citations
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June 2014 in “Journal of Investigative Dermatology” A man with severe hair loss and skin disease regrew his hair with no side effects after taking tofacitinib.
December 2025 in “Journal of Human Immunity” JAK inhibitors may help improve symptoms in adults with APECED.
March 2022 in “International Journal of Trichology” Tofacitinib may be effective for treating hair loss caused by alopecia areata that doesn't respond to other treatments.
June 2025 in “Revista Foco” JAK inhibitors effectively treat severe alopecia areata with manageable side effects.
November 2025 in “Mendeley Data” Unorthodox dosing of tofacitinib and baricitinib is safe but less effective than standard dosing for treating alopecia areata in kids.
July 2024 in “Journal of Investigative Dermatology” Brepocitinib improves cicatricial alopecia and reduces key immune markers.
63 citations
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July 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” JAK inhibitors can effectively reverse hair loss in people with alopecia areata.
3 citations
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September 2021 in “Journal of Investigative Dermatology” Baricitinib was more effective than a placebo in regrowing hair in adults with alopecia areata after 36 weeks.
January 2024 in “Skin Research and Technology” Oral tofacitinib may be an effective future treatment for children with severe alopecia areata, but more research is needed.
2 citations
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April 2022 in “Cutaneous and Ocular Toxicology” Tofacitinib may help treat hair loss in children with alopecia areata.
157 citations
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December 2015 in “Journal of the American Academy of Dermatology” A man with vitiligo and alopecia saw quick skin and hair improvement with ruxolitinib, but skin color gains were lost after stopping treatment.
July 2025 in “International Journal of Trichology” Oral tofacitinib may effectively regrow hair in children with alopecia areata unresponsive to other treatments.
May 2025 in “International Journal of Trichology” Topical tofacitinib may help regrow hair in children with alopecia totalis.
July 2025 in “Journal of Investigative Dermatology” Ritlecitinib reduces alopecia areata symptoms by blocking JAK3/TEC signaling and T-cell activity.
Ritlecitinib improves hair regrowth in alopecia areata without increasing adverse risks.
3 citations
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November 2024 in “Clinical Research” Deuruxolitinib is FDA-approved for treating severe alopecia areata.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The ALADIN score can predict how well patients with alopecia areata will respond to JAK inhibitor treatments.
June 2022 in “Frontiers in Immunology” Tofacitinib regrew hair in a man with total hair loss but raised cytokine levels, needing more research on possible side effects.
August 2018 in “Journal of the American Academy of Dermatology” Tofacitinib is a potential alternative treatment for alopecia totalis, especially in patients with a shorter duration of the condition and more preserved hair follicles, but the overall response rate is low.
October 2023 in “Regular and Young Investigator Award Abstracts” Baricitinib treatment helped reduce hair loss symptoms in mice by decreasing inflammation-related immune cells.
January 2026 in “Frontiers in Public Health” Baricitinib and tofacitinib have different safety patterns in treating alopecia areata.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” A PTH-based treatment improved hair regrowth better than ruxolitinib in a mouse model of hair loss.
2 citations
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July 2023 in “JAAD Case Reports” A woman with a type of hair loss saw hair regrowth after two months of taking baricitinib.
1 citations
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August 2021 in “Journal of The American Academy of Dermatology” Baricitinib was effective in treating both early and late onset alopecia areata.
April 2023 in “Journal of the American Academy of Dermatology” Switching between the medications tofacitinib and baricitinib can be effective for treating hair loss in alopecia areata.