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J Eur Acad Dermatol Venereol. 2012 Aug;26(8):1014-9. doi: 10.1111/j.1468-3083.2011.04304.x. Epub 2011 Nov 28.

Association of glycerol and paraffin in the treatment of ichthyosis in children: an international, multicentric, randomized, controlled, double-blind study.

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1
Dermatology Department, Saint-Louis Hospital, Paris, France. claudine.blanchet-bardon@sls.aphp.fr

Abstract

BACKGROUND:

Efficacy and tolerance should be considered in topical treatments of chronicle affections with impaired skin barrier function such as ichthyosis.

OBJECTIVES:

To demonstrate the efficacy of Dexeryl in reducing severity of ichthyosis.

METHODS:

A prospective, multicentre, randomized, placebo controlled study was performed with patients under 18 years suffering from a non-bullous form of ichthyosis. A double-blind period using Dexeryl (an emollient cream containing glycerol 15% and paraffin 10%) or placebo (its vehicle) during 4 weeks followed by an open label period with all patients treated by Dexeryl for 8 weeks. Improvement of ichthyosis was assessed by cutaneous xerosis evolution (SRRC score): the percentage of patients with 50% reduction of the SRRC score at D28 was the primary criterion. The assessment of pruritus [visual analogue scale (VAS)], global evaluation and safety were secondary.

RESULTS:

The percentage of patients with at least 50% reduction of SRRC score at D28 was significantly higher in Dexeryl group (60.3%) vs. vehicle group (43.5%; P = 0.008). Reduction of pruritus on VAS was significantly higher at D28 with Dexeryl (-2.16) compared to that in placebo (-1.49), P < 0.05. The improvement continues through the open label period: at D84 we observed -2.5 of SRRC score in the Dexeryl group vs.-1.8 for the group previously treated by vehicle. Investigators found Dexeryl efficacy as satisfying for about 80% of treated patients vs. 50% with vehicle. Concerning safety, most of the adverse events were not related to treatment.

CONCLUSIONS:

Dexeryl showed a significant improvement of xerosis and related symptoms in children with ichthyosis and was well tolerated.

[Indexed for MEDLINE]

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