April 2026 in “Indian Journal of Dermatology” This study concluded that platelet-rich plasma therapy was as effective as intralesional triamcinolone acetonide in treating localized alopecia areata on the scalp.
August 2026 in “Journal of Cosmetic Dermatology” This study found that platelet-rich plasma showed similar efficacy to intralesional triamcinolone acetonide for treating mild patch-type alopecia areata, offering a potential alternative with fewer steroid-related side effects.
January 2026 in “International Journal of Medical and All Body Health Research” This study found that both intralesional corticosteroids (TAC) and platelet-rich plasma (PRP) are effective for treating patchy alopecia areata, with TAC providing faster early results but PRP offering better long-term safety and lower relapse rates.
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January 2020 in “Indian Dermatology Online Journal” In this study, PRP injections showed comparable effectiveness to triamcinolone for alopecia areata, with a significant decrease in SALT score at one interval, and 12.5% of patients in the PRP group experienced excellent hair regrowth compared to none in the triamcinolone group.
This study provides evidence that intralesional platelet-rich plasma therapy leads to significant hair regrowth and increased patient satisfaction in individuals with scalp alopecia areata over 24 weeks, without notable adverse effects.
