Efinaconazole 10% Solution in the Treatment of Onychomycosis of the Toenails

Warren S Joseph, Tracey C Vlahovic, Radhakrishnan Pillai, Jason T Olin

J Am Podiatr Med Assoc. Sep-Oct 2014;104(5):479-85.

PMID: 25275736

Abstract:

Background:




Efinaconazole 10% solution is a new triazole antifungal agent developed for the topical treatment of onychomycosis. This article reviews the pooled results of the two pivotal clinical trials of this drug that have been performed in the United States, Canada, and Japan.













Methods:




The two studies of 1,655 patients were both double-blind, vehicle-controlled, parallel-group, randomized, multicenter studies designed to determine the efficacy and safety of efinaconazole 10% solution in the treatment of mild-to-moderate onychomycosis of the toenails caused by dermatophytes. Treatment was provided once daily for 48 weeks, and the primary end point was at week 52.













Results:




The combined results show a 56% mycologic cure rate compared with 17% for vehicle at week 52. Clinical treatment success was achieved in 43% of patients treated with efinaconazole 10% solution at follow-up (week 52). Clinical treatment success was achieved in 47% of patients. As expected for a topical agent, the use of efinaconazole 10% solution was found to be safe, with mild, transient irritation at the site of application reported as the most common adverse event.













Conclusions:




The efficacy and safety profile of efinaconazole 10% solution suggests that it may represent an important advance in the topical treatment of onychomycosis. Further studies will help us better understand the role of this agent for the treatment of this widespread podiatric medical condition.

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