Minoxidil for patchy alopecia areata: systematic review and meta-analysis.
P C B FreireRachel RieraAna Luiza Cabrera MartimbiancoValeria PetriAlvaro Nagib AtallahPublished in: Journal of the European Academy of Dermatology and Venereology : JEADV (2019)
Treatment of patchy AA with 5% minoxidil proved effective, and clinically and statistically safe in studies with limited sample size; quality of evidence was moderate. Further studies with sound methodological quality, more participants and outcome observations lasting longer than 6 months are needed to address remaining uncertainties.