148 citations
,
March 2022 in “The New England Journal of Medicine” Baricitinib was effective in treating alopecia areata in two major trials.
25 citations
,
October 2019 in “JAAD Case Reports” Baricitinib helped a woman with severe hair loss regrow almost all her hair without side effects.
130 citations
,
February 2018 in “Journal of Investigative Dermatology” Tofacitinib may help treat severe hair loss, but more research is needed.