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  • Title: Efficacy and Safety of Targeted High-Intensity Medium-Band (304-312 nm) Ultraviolet B Light in Pediatric Vitiligo.
    Author: Dong DK, Pan ZY, Zhang J, Lu XF, Jin C, Tao SQ, Yang LJ.
    Journal: Pediatr Dermatol; 2017 May; 34(3):266-270. PubMed ID: 28318054.
    Abstract:
    BACKGROUND/OBJECTIVES: Phototherapy is a commonly used treatment for vitiligo that has demonstrated safety and efficacy. High-intensity targeted ultraviolet B (UVB) light (304-312 nm) delivered using a phototherapy device is a useful therapeutic option because it can induce repigmentation in a short time without global exposure to radiation, but information regarding this device in children is limited. METHODS: We performed a retrospective analysis of 95 patches of vitiligo in 27 children treated using a targeted phototherapy device. Phototherapy was administered twice a week. RESULTS: After the first 10 treatment sessions, 82 (86.3%) patches demonstrated some repigmentation and 36.8% achieved 50% or more repigmentation. After a mean of 20.4 treatment sessions, 86 patches (90%) demonstrated some repigmentation and 53.7% achieved 50% or more repigmentation. Responses varied depending on the anatomic location of the lesions. Better responses were usually observed on the face and trunk, whereas the extremities typically showed little response. Repigmentation was better in patients with active vitiligo than in those with stable vitiligo, with responses better with a disease duration of 1 year or less than in those with a duration of more than 1 year. There was no statistically significant difference in repigmentation between those with segmental and generalized vitiligo. The only short-term local side effect was mild erythema that required a decrease in dosage in six patients. CONCLUSION: Targeted high-intensity medium-band UVB phototherapy alone can produce clinical improvement in pediatric vitiligo and is well tolerated.
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