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Expert Opin Investig Drugs. 2012 Oct;21(10):1549-62. Epub 2012 Aug 9.

Therapeutic potential of TDT 067 (terbinafine in Transfersome): a carrier-based dosage form of terbinafine for onychomycosis.

Author information

  • 1University of Iceland, Department of Dermatology, Smaratorg 1201, K√≥pavogur, Reykjavik, Iceland. bsig@hudlaeknastodin.is.

Abstract

INTRODUCTION:

Current topical treatments for onychomycosis are unsatisfactory. New topical agents that offer efficacy without the potential adverse effects of oral antifungal therapy would benefit patients with this condition and encourage a greater treatment rate.

AREAS COVERED:

Currently available topical therapies are reviewed, and new approaches for enhancing delivery of the established antifungal terbinafine through the nail are summarized. We focus on the use of ultra-deformable lipid vesicles to facilitate delivery of terbinafine to the nail and surrounding tissue. TDT 067 (terbinafine in Transfersome) is the only such therapy in development for onychomycosis, and we review published preclinical and clinical studies on this formulation.

EXPERT OPINION:

TDT 067 offers the use of new technology to deliver an established antifungal, terbinafine. Preclinical data suggest that the Transfersome accelerates entry of terbinafine released from TDT 067 into fungi and potentiates its antifungal effects, resulting in enhanced activity, compared with conventional terbinafine. This translated into high rates of mycological cure and evidence of clinical effect in a study of TDT 067 administered twice daily for 12 weeks in patients with onychomycosis. An ongoing Phase-III trial involving more than 700 patients treated for 48 weeks is investigating the efficacy and safety of TDT 067.

PMID:
22876754
[PubMed - indexed for MEDLINE]
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