April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” This study suggests that HDAC inhibitors, such as Vorinostat and Entinostat, could be effective in promoting hair regrowth in a mouse model of alopecia areata.
April 2018 in “Journal of Investigative Dermatology” In this study, topical tofacitinib significantly promoted hair regrowth in mice, outpacing both minoxidil and controls over 21 days, with findings suggesting increased VEGF levels and decreased inflammation as possible mechanisms.
1 citations
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March 2017 in “PubMed” In this study, 1% minoxidil solution applied topically did not lead to significant hair growth in patients with alopecia areata after three months of treatment.
December 2015 in “Journal of Psoriasis and Psoriatic Arthritis” This case report describes a rare instance of prolonged alopecia following acitretin therapy where the patient's hair did not significantly regrow more than six months after stopping treatment.
2 citations
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February 2009 in “Journal of Evidence-Based Medicine” This review of randomized controlled trials for alopecia areata treatments found that none were significantly better than placebo in promoting long-term hair growth, with most trials being small and poorly reported.
80 citations
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October 1983 in “BMJ” This study found that 1% topical minoxidil induced significant hair regrowth in patients with alopecia areata, though it was less effective for those with extensive hair loss such as alopecia totalis and universalis.