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Σάββατο 30 Δεκεμβρίου 2017

Photodynamic Therapy Interventions in Facial Photodamage: A Systematic Review

Publication date: Available online 30 December 2017
Source:Actas Dermo-Sifiliográficas
Author(s): G. Sanclemente, V. Ruiz-Cañas, J.M. Miranda, A.P. Ferrín, P.A. Ramirez, G.N. Hernandez
IntroductionPhotodynamic therapy (PDT) involves the combination of a light source and a photosensitizing agent to induce tissue damage via the generation of singlet oxygen. Although topical PDT has been approved for other indications, its use in facial photodamage is uncertain.AimsTo assess the efficacy and safety of PDT in facial skin photoaging.MethodsAll randomized clinical trials (RCTs) evaluating the efficacy and safety of any form of topical PDT for the treatment of facial photodamage (dermatoheliosis) or photoaging in patients older than 18 years, were included. Photodynamic-therapy using any topical photosensitizing agent at any dose, and with any light-source, were considered. Comparators were chemical exfoliation, intense pulsed light (IPL), light emitting diodes (LED), dermabrasion or microdermabrasion, ablative or non-ablative lasers, injectables, surgery, placebo and/or no treatment.A systematic search in PubMed, Embase, Lilacs, Google Scholar and RCT's registry databases, was performed.ResultsSearch was conducted up to May 4th 2016. Four authors independently selected and assessed methodological quality of each RCT. According to inclusion criteria, twelve studies were included (6 aminolevulinate (ALA) trials and 6 methyl aminolevulinate (MAL) trials), but the majority of them had methodological constraints particularly in randomization description and patients/outcome assessors blindness.Discussion and conclusionsOverall results indicated that PDT either with ALA or with MAL was effective and safe for facial photodamage treatment, but high quality of evidence was found mainly for MAL studies.

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