Journal
JOURNAL OF COSMETIC DERMATOLOGY
Volume 18, Issue 1, Pages 59-64Publisher
WILEY
DOI: 10.1111/jocd.12550
Keywords
adjuvant therapy; androgenetic alopecia; hair density; platelet-rich plasma; vellus hair
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Background Recently, platelet-rich plasma (PRP) injection has been proposed as a potential adjuvant therapy to treat androgenetic alopecia. Aims Investigate the efficacy, tolerability, and clinical improvement of PRP for the treatment of female AGA. Patients/Methods A total of 10 female patients affected by AGA and not responding to treatment with minoxidil and/or oral antiandrogens were enrolled. The clinical improvement was evaluated by pull test, global photographs, and Trichoscan at weeks 9, 12, and 24, and hair measurements were performed at baseline and 12 and 24 weeks after the first session. Results After 24 weeks, the median relative percentage change (%RC) for all the parameters of hair density was mostly positive. After 12 weeks, the medium hair diameter in frontal area showed a significant increase (%RD = 12.5, with P-value < .05), and after 24 weeks (%RD = 14.6, P-value < .05), the vellus relative change instead showed a decrease, especially in the front and the central area, while for the vertex, the decrease was mainly visible at the end (-6.6%). No adverse events were reported. Conclusion Platelet-rich plasma injections have a positive therapeutic effect on hair density and hair diameter improvement.
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