Please use this identifier to cite or link to this item: http://10.1.7.192:80/jspui/handle/123456789/8498
Title: Formulation Development and Optimization of Transungual Drug Delivery System of Terbinafine Hydrochloride for the Treatment of Onychomycosis
Keywords: Nail lacquer
Bovine hoof membranes
Drug permeation
Ex vivo antifungal activity
Onychomycosis
Issue Date: 2016
Publisher: Taylor and Francis
Series/Report no.: IPFP0341;
Abstract: The aim of present investigation was to develop transungual drug delivery system (nail lacquer) of terbinafine hydrochloride for treatment of onychomycosis. Different types of penetration enhancers, viz. 2-mercaptoethanol, n-acetyl- L-cysteine and thioglycolic acid, were evaluated to determine their effect on drug permeation. Various types of polymers, both hydrophobic (Eudragit® RL 100 and Eudragit® RS 100) and hydrophilic polymers (hydroxypropyl methyl cellulose (HPMC) E15), were evaluated for their film-forming and drug permeation characteristics. The nail lacquer was optimised statistically by applying 32 full factorial design. Polymer ratio (Eudragit® RL 100/HPMC E15; X1) and solvent ratio (ethanol/water; X2) were selected as independent variable, and viscosity (cPs), nail plate hydration (%) and in vitro drug permeated at the end of 24 h (μg/cm2) were selected as dependent variable. The optimised batch comprises of polymer ratio (70:30) and solvent ratio (75:25). Ex vivo drug permeation study was performed using human cadaver toe nail plate. The results revealed that the amount of drug permeated at the end of 24 h was 61.55 ± 3.2 μg/cm2, which was found to be higher than the minimum inhibitory concentration of drug. This study confirms that the developed drug-loaded nail lacquer could be used as a promising tool for the effective treatment of onychomycosis.
Description: Expert Opinion on Drug Delivery; March 2016:771-775
URI: http://10.1.7.192:80/jspui/handle/123456789/8498
Appears in Collections:Faculty Papers

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