3 years ago

Efficacy and safety of tavaborole topical solution, 5%, a novel boron-based antifungal agent, for the treatment of toenail onychomycosis: Results from 2 randomized phase-III studies

Onychomycosis, a fungal nail infection, can impact quality of life. Objective We sought to evaluate the efficacy and safety of tavaborole topical solution, 5% for treatment of toenail onychomycosis. Methods In 2 phase-III trials, adults with distal subungual onychomycosis affecting 20% to 60% of a target great toenail were randomized 2:1 to tavaborole or vehicle once daily for 48 weeks. The primary end point was complete cure of the target great toenail (completely clear nail with negative mycology) at week 52. Secondary end points included completely or almost clear nail, negative mycology, completely or almost clear nail plus negative mycology, and safety. Results Rates of negative mycology (31.1%-35.9% vs 7.2%-12.2%) and complete cure (6.5% and 9.1% vs 0.5% and 1.5%) significantly favored tavaborole versus vehicle (P ≤ .001). Completely or almost clear nail rates also significantly favored tavaborole versus vehicle (26.1%-27.5% vs 9.3%-14.6%; P < .001). Rates of completely or almost clear nail plus negative mycology (15.3%-17.9% vs 1.5%-3.9%) were significantly greater for tavaborole versus vehicle (P < .001). Application-site reactions with tavaborole included exfoliation (2.7%), erythema (1.6%), and dermatitis (1.3%). Limitations Duration of follow-up is a limitation. Conclusion Tavaborole demonstrates a favorable benefit-risk profile in treatment of toenail onychomycosis.

Publisher URL: www.sciencedirect.com/science

DOI: S0190962215015121

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