September 2014 in “SciBX” JAK inhibitors may help treat alopecia areata and promote hair regrowth.
78 citations
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June 2017 in “JAMA Dermatology” Tofacitinib helped regrow hair in people with severe alopecia, but side effects occurred and benefits stopped after treatment ended.
32 citations
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April 2019 in “JAAD case reports” JAK inhibitors helped treat hair loss in two people with Down syndrome.
185 citations
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December 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.
40 citations
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January 2017 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.