Introduction:

Androgenetic alopecia is the most prevalent type of hair loss, it can be manifested at an early age, being more frequent in males.

Objective:

To evaluate the results of the infiltration of platelet-rich plasma in a series of cases with androgenetic alopecia.

Methods:

An observational, descriptive and longitudinal study was carried out in a series of cases, which included 56 patients with a clinical and dermatoscopic diagnosis of androgenetic alopecia who received treatment with platelet-rich plasma in the downtown area of the city of Sancti Spíritus, during the period from July 2015 to March 2021. 6 mL of platelet-rich plasma were injected intradermally into the affected area with multiple injections in a lineal pattern one cm apart under aseptic care. The treatment was repeated every 3 weeks for 8 sessions. The main variables were the hair pull test and adverse events.

Results:

Male sex predominated, ages between 19 and 51 years, evolution time ranged between 1 and 20 months, most had a family pathological history of alopecia, Halminton Norwood pattern III prevailed. Adverse events included pain, burning, and erythema at the injection site in all cases.

Conclusions:

The hair-pull test in most patients treated with platelet-rich plasma was negative at the end of treatment.

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