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Combination of photodynamic therapy with 5-aminolaevulinic acid and microneedling in the treatment of alopecia areata resistant to conventional therapies: our experience with 41 patients.

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Combination of photodynamic therapy with 5-aminolaevulinic acid and microneedling in the treatment of alopecia areata resistant to conventional therapies: our experience with 41 patients.

Clin Exp Dermatol. 2020 Apr;45(3):323-326

Authors: Giorgio CM, Babino G, Caccavale S, Russo T, De Rosa AB, Alfano R, Fulgione E, Argenziano G

Abstract
Alopecia areata (AA) is a complex immune-mediated disorder, which is difficult to treat. The available treatment options seem to have limited benefit, help only some patients and have a high relapse rate. We evaluated a new therapeutic option for moderate to severe AA based on the combination of photodynamic therapy (PDT) with 5-aminolaevulinic acid (ALA) and microneedling (MN). In total, 14 patients were enrolled, and these were randomly divided into 3 groups: Group A (MN alone; n = 9), Group B (ALA-PDT alone; n = 15) and Group C (combination of MN and ALA-PDT; n = 17). All patients were treated once every 3 weeks for a total of six treatments. The best clinical outcome was achieved in Group C, with complete hair regrowth observed in three patients, and an improvement of ≥ 50% and < 50% of the treated areas obtained in seven and six patients, respectively. Our report suggests that combination of ALA-PDT with MN could be an additional therapeutic option in moderate to severe AA, as MN allows better skin penetration of ALA and subsequent indirect immunosuppression.

PMID: 31469914 [PubMed – indexed for MEDLINE]

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