• Markus Dawid, Marge Veensalu, Maximilian Grassberger, and Klaus Wolff.
• Division of General Dermatology, Department of Dermatology, University of Vienna, Vienna General Hospital, Vienna, Austria.
• J Dtsch Dermatol Ges. 2006 Nov 1; 4 (11): 942-6.

BackgroundVitiligo is an acquired, pigmentary skin disorder which is disfiguring and difficult to treat. In an earlier open label study in adult patients with vitiligo, pimecrolimus cream 1% was reported to have similar efficacy as clobetasol propionate 0.05%. We performed a double-blind, intrapatient comparison of pimecrolimus cream 1% with placebo cream.Patients And MethodsTwenty adult Caucasians with symmetrical vitiligo (predominantly on extremities, none in the face) were treated b.i.d. for 6 months left/right with pimecrolimus/vehicle (N = 10) or vehicle/pimecrolimus (N = 10), respectively. Primary efficacy endpoint was the size of the target lesion at month 6 and secondary efficacy endpoint was re-pigmentation.ResultsTreatment with pimecrolimus cream 1% or vehicle resulted in no significant change in mean target lesion size. Modest repigmentation (1-25%) was noted with pimecrolimus at month 2 in 12 of 17 patients (vehicle: 9 of 17 patients). Afterwards, the number of patients who experienced an improvement of pigmentation steadily decreased (3 of 14 patients with pimecrolimus and 2 of 14 with placebo at month 6). Treatment was well tolerated. There were no treatment-related adverse events, no induction of skin atrophy nor any other application site side effects.ConclusionIn this group of adult patients with symmetrical vitiligo, treatment of body lesions (except face) with pimecrolimus cream 1% could not be shown to be effective.

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