Effectiveness of Platelet-Rich Plasma Therapy in Androgenic Alopecia: A Meta-Analysis

February 2022 in “ Journal of Personalized Medicine ”

Simona Roxana Georgescu, Andreea Amuzescu, Cristina Iulia Mitran, Mădălina Irina Mitran, Clara Matei, Carolina Constantin, Mircea Tampa, Monica Neagu

platelet-rich plasma androgenic alopecia hair density PRP therapy PRP

TLDR Platelet-Rich Plasma therapy significantly increases hair density in people with Androgenic Alopecia, and works better with more treatments per month and in younger patients.

The meta-analysis, which analyzed 15 clinical trials, found that Platelet-Rich Plasma (PRP) therapy significantly increased hair density in patients with Androgenic Alopecia (AGA) from 141.9 ± 108.2 to 177.5 ± 129.7 hairs/cm2 (p = 0.0004). The study also discovered a positive correlation between the number of PRP treatments per month and the percentage change in hair density (r = 0.5, p = 0.03), and a negative correlation between the mean age of the treatment group and the percentage change in hair density (r = -0.56, p = 0.016). The conclusion was that PRP therapy is an effective treatment for AGA in both males and females, provided the patients are carefully selected.

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