84 citations
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August 2023 in “Drugs” Ritlecitinib is approved in the USA and Japan for treating severe hair loss in people aged 12 and older.
January 2007 in “Frontiers in Medicine” Tofacitinib works well for treating alopecia areata, especially when combined with corticosteroids, but is less effective if the disease has lasted over 2 years.
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.
11 citations
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January 2020 in “Dermatologica Sinica” Tofacitinib helps regrow hair in severe alopecia patients, but more research is needed.
10 citations
,
August 2016 in “Dermatology Online Journal” Nilotinib can cause skin issues like red bumps and hair loss.
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.
Tofacitinib and low-dose IL-2 may help maintain hair regrowth in alopecia areata without ongoing treatment.
93 citations
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May 2010 in “European Journal of Cancer” BI 2536 had limited effectiveness against several advanced cancers and caused significant side effects.
June 2019 in “International journal of dermatology and venereology” A man developed skin issues from cancer medication, which improved with specific treatments.
The PTH-CBD injection improved hair regrowth better than the daily ruxolitinib pill in mice.
3 citations
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July 2025 in “Clinical and Experimental Dermatology” Ritlecitinib may be more effective for severe alopecia areata than conventional 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.
2 citations
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January 2023 in “Anais Brasileiros de Dermatologia”
51 citations
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June 2016 in “Journal of the European Academy of Dermatology and Venereology” Tofacitinib was effective in treating hair loss in two patients with alopecia universalis.
2 citations
,
September 2022 in “Dermatologic Therapy” Tofacitinib is a promising treatment for severe alopecia areata, with many patients experiencing complete or partial hair regrowth.
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.
11 citations
,
February 2021 in “Journal of Cosmetic Dermatology” Oral tofacitinib helped regrow hair in over half of the patients with severe alopecia, but relapses and side effects were common.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” JAK inhibitors help hair growth by boosting beta-catenin activity in hair root cells.
2 citations
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September 2024 in “Internal Medicine Journal” Upadacitinib helped regrow hair and maintain ulcerative colitis remission.
5 citations
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January 2021 in “Indian Journal of Pharmacology” Nilotinib can cause generalized keratosis pilaris.
12 citations
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May 2010 in “Journal of Clinical Oncology” MK-5108 is safe and shows potential against tumors, especially alone.
59 citations
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March 2003 in “The Lancet” Imatinib can repigment grey hair, while SU11428 can cause temporary hair depigmentation.
January 2024 in “Pharmaceutical journal/The pharmaceutical journal” Ritlecitinib can help about 14,000 people with severe hair loss.
20 citations
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June 2019 in “JAAD Case Reports” Tofacitinib can cause skin eruptions similar to palmoplantar pustulosis.
January 2025 in “Dermatologic Therapy” Baricitinib works better for alopecia areata in patients not previously treated with tofacitinib.
November 2025 in “Mendeley Data” Standard dosing is more effective for severe alopecia areata in children, but unorthodox dosing can be safe and considered if needed.
4 citations
,
July 2018 in “PubMed” Oral and topical tofacitinib can help regrow hair in people with severe alopecia areata.
October 2024 in “International Journal of Research in Dermatology” Tofacitinib is a promising and safe treatment for moderate to severe alopecia areata.
March 2025 in “International Journal of Trichology” Janus kinase inhibitors may effectively treat resistant scalp conditions like folliculitis decalvans and dissecting cellulitis.
1 citations
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February 2025 in “Pediatric Dermatology” Tofacitinib helps hair regrow in some kids with severe alopecia areata, but more research is needed on long-term effects.