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Injectable Platelet-, Leukocyte-, and Fibrin-Rich Plasma (iL-PRF) in the Management of Androgenetic Alopecia.

Dermatol Surg; 44(9): 1183-1190, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-30045107


The role of enriched autologous plasmas in androgenetic alopecia (AGA) management is emerging in recent literature.


In this prospective study, the authors aimed to confirm that the induction of a minor local trauma immediately followed by injections of an enriched plasma made of a strongly concentrated platelet fraction, a robust white cell presence, concentrated fibrinogen, and other plasma proteins (injectable leukocyte platelet-rich fibrin [iL-PRF]) could be able to produce positive clinical results in patients with AGA.


A 2-injection regimen was instituted, with a 3-month interval between the 2 interventions. A treatment group (TG) and a control group (CG) were instituted. Macrophotographs were taken at baseline and after 6 months, and rated by 5-people expert panel (blinded to this assignment) using the 15-point scale proposed by Jaeschke to evaluate the clinical change.


Overall, TG showed better scores compared with the CG in all 5 classes of global physician assessment at baseline, all age groups, and in both sexes, and such differences always reached statistical significance. A greater severity at baseline showed a larger improvement after treatment in the TG.


This study provides preliminary evidence that the biological composition of the iL-PRF is of crucial importance in ensuring a good degree of clinical efficacy in patients with AGA.