Abstract
Alopecia areata (AA) is an autoimmune non-scarring hair loss that can affect any hair-baring body area. Corticosteroids are considered first-line treatment, but their long-term use may lead to undesirable side effects. Platelet-rich plasma (PRP) is an autologous product, which includes concentrated platelets that secrete growth factors stimulating hair follicle proliferation. Topical minoxidil has been used for mild cases of AA and other types of alopecia. We report two cases of severe multifocal AA, treated successfully with the combination of topical minoxidil 5% and intralesional PRP. PRP was injected once monthly for a total of six visits. Patients were advised to use 5% topical minoxidil twice daily. Trichoscopy was performed and evaluation of the severity of hair loss was done with Severity of Alopecia Tool (SALT). One month after the final PRP procedure, patients showed significant hair regrowth. Further controlled trials with more subjects are needed to validate the reported results.
Published Version
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