Although the administration of systemic steroid for nonsegmental vitiligo in the progressive stage is a recommended treatment according to guidelines, the clinical efficacy of this regimen has not been fully established. In this study, we evaluated the clinical efficacy of half-dose steroid treatment and stratified the evidence regarding its usefulness in progressive vitiligo patients. Half-dose steroid pulse therapy (500 mg/day of methylprednisolone for three sequential days) was administered intravenously three times monthly in five vitiligo patients. The visual changes in vitiligo lesions were evaluated on photographs and quantified using a spectrophotometer. As results, all patients completed three cycles of treatment without severe adverse events. Three of the five patients achieved disease arrest with decrease in white contrast. Therefore, short-term and halfdose steroid therapy is well tolerated and effective for achieving disease arrest in progressive nonsegmental vitiligo. The whiteness assessed by a spectrophotometer is possibly associated with therapeutic response to steroid therapy.
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