8 citations,
January 2017 in “Dermatology online journal” Tofacitinib helped psoriasis but not alopecia universalis, needing more research.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Cancer treatment drugs can cause permanent hair loss by damaging hair follicle stem cells, but a specific inhibitor might reverse this effect.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.
42 citations,
April 2021 in “Journal of clinical pharmacology” Baricitinib helps treat several diseases, including COVID-19, but has side effects and needs careful monitoring.
32 citations,
April 2016 in “Journal of Investigative Dermatology” STAT5 activation is crucial for starting the hair growth phase.