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  • Title: Treatment of 308-nm excimer laser on vitiligo: A systemic review of randomized controlled trials.
    Author: Sun Y, Wu Y, Xiao B, Li L, Li L, Chen HD, Gao XH.
    Journal: J Dermatolog Treat; 2015; 26(4):347-53. PubMed ID: 25428573.
    Abstract:
    BACKGROUND: Vitiligo is an acquired cutaneous hypopigmentary disorder, which characterized by solitary or multiple depigmented maculae or patches. The 308-nm excimer laser has been used as phototherapy on vitiligo. OBJECTIVE: To evaluate the efficacy and safety of 308-nm excimer laser on vitiligo. METHODS: Randomized controlled trials were searched to conduct a systematic review. The keywords were identified as laser/excimer laser/quasimolecule/XeCl" and "vitiligo". RESULTS: Seven studies with 390 vitiligo patients were included. No significant differences were seen between 308-nm excimer laser and 308-nm excimer lamp on either ≥75% or ≥50% re-pigmentation rate, or between 308-nm excimer laser and narrowband-ultraviolet B (NB-UVB) on either 100% or ≥75% re-pigmentation rate. More patients or lesions achieved ≥50% re-pigmentation rate by 308-nm excimer laser treatment than by NB-UVB treatment. The side effects of 308-nm excimer laser were slight and tolerable. CONCLUSIONS: The 308-nm excimer laser showed equivalent efficacies to 308-nm excimer lamp control and NB-UVB control concerning ≥75% re-pigmentation rate of vitiligo patches. More studies with high methodological quality, low risk of bias and more sample size are needed to confirm the conclusion.
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