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Evaluating the Efficacy of Different Platelet-Rich Plasma Regimens for Management of Androgenetic Alopecia: A Single-Center, Blinded, Randomized Clinical Trial

Hausauer, Amelia K., MD*,†; Jones, Derek H., MD†,‡

doi: 10.1097/DSS.0000000000001567
Original Article
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BACKGROUND Studies suggest platelet-rich plasma (PRP) may mitigate androgenetic alopecia (AGA), but each varies in the frequency of and interval between treatments.

OBJECTIVE To compare the efficacy, satisfaction, tolerability, and safety of 2 initial PRP injection protocols over 6 months.

METHODS Prospective, randomized, single-blinded trial among 40 patients with moderate AGA. Participants received subdermal PRP injections according to 1 of 2 treatment protocols: 3 monthly sessions with booster 3 months later (Group 1) or 2 sessions every 3 months (Group 2). Folliscope hair count and shaft caliber, global photography, and patient satisfaction questionnaires were obtained at baseline, 3 months, and 6 months.

RESULTS At 6 months, both groups demonstrated statistically significant increases in hair count (p < .001). These improvements occurred more rapidly and more profoundly for Group 1 (mean percent change: Group 1, 29.6 ± 13.6 vs Group 2, 7.2 ± 10.4; p < .001). Shaft caliber also increased significantly with no difference between groups. Treatments produced high satisfaction (82% “satisfied” or “highly satisfied”) and were safe and well tolerated (mean pain score 2.1).

CONCLUSION Subdermal PRP injections are an efficacious and tolerable therapy among men and women with AGA. The benefits may be greater if first administered monthly. Clinicians should consider these findings when designing treatment plans.

*Aesthetx, Campbell, California;

Skin Care and Laser Physicians of Beverly Hills, Los Angeles, California;

Department of Dermatology, University of California, Los Angeles, California

Address correspondence and reprint requests to: Amelia K. Hausauer, MD, 3803 South Bascom Avenue, Suite 100, Campbell, CA 95008 or e-mail: drh@aesthetx.com

Eclipse Aesthetics, LLC provided funding for this study.

The authors have indicated no significant interest with commercial supporters.

© 2018 by the American Society for Dermatologic Surgery, Inc. Published by Wolters Kluwer Health, Inc. All rights reserved.
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