A prospective, single-blind study of tacrolimus 0.1% ointment was conducted in 80 patients aged 12-42 years with facial, trunk or limb vitiligo. The tacrolimus was applied on lesions on the left side of the body and no agent on corresponding lesions on the right side. Patients also received narrowband-ultraviolet B (NB-UVB) therapy three times a week for up to 12 months or until complete repigmentation of study lesions, if this occurred earlier. The extent of repigmentation was based on a 0-6 Vitiligo Area Scoring Index (VASI), where a score of 6 equaled 100% repigmentation. Of the 80 patients, 74 completed the study. The mean repigmentation score was 71% (VASI = ...