Treatment of Male Pattern Alopecia with Platelet-Rich Plasma: A Double-Blind Controlled Study with Analysis of Platelet Number and Growth Factor Levels

    October 2018 in “ Journal of The American Academy of Dermatology ”
    Bruno Rodrigues, Silmara Aparecida De Lima Montalvão, Rebeca Brito Bonani Cancela, Francesca Aparecida Ramos da Silva, Aline Urban, Stephany Cares Huber, José Otávio Costa Auler Júnior, José Fábio Santos Duarte Lana, Joyce M. Annichinno-Bizzacchi
    From the encyclopedia
    Platelet-Rich Plasma →

    growth factors taken from your blood and injected into your scalp to stimulate hair

    Epidermal Growth Factor →
    Vascular Endothelial Growth Factor →
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    Studysummary This study found that platelet-rich plasma significantly increased hair count, density, and the percentage of anagen hairs in patients with androgenetic alopecia, but these improvements did not correlate with platelet or growth factor levels.
    Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
    In 2019, a study involving 26 male patients with androgenetic alopecia (AGA) found that platelet-rich plasma (PRP) treatment significantly increased hair count, hair density, and the percentage of anagen (active growth phase) hairs. These improvements were maintained for up to 3 months after PRP injections without any other hair loss treatment. The study also noted that PRP treatment did not require daily medication, a common cause of nonadherence to conventional treatments. However, there was no correlation found between the improvements and the platelet counts or the levels of growth factors (PDGF, EGF, and VEGF) in the PRP, suggesting other mechanisms could be involved in the response. The study concluded that PRP could be a viable therapeutic alternative for the treatment of AGA.
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