222 citations
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September 2016 in “JCI insight” Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.
701 citations
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August 2014 in “Nature medicine” Alopecia areata can be reversed by JAK inhibitors, promoting hair regrowth.
391 citations
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February 2010 in “Journal of The American Academy of Dermatology” Half of people with Alopecia Areata may see hair regrowth within a year without treatment, but recovery is unpredictable.
244 citations
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February 2010 in “Journal of the American Academy of Dermatology” The document says current treatments for alopecia areata do not cure or prevent it, and it's hard to judge their effectiveness due to spontaneous remission and lack of studies.