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Research Article

Formulation and evaluation of Itraconazole nanoemulsion for enhanced oral bioavailability

, , &
Pages 559-569 | Received 17 Oct 2014, Accepted 15 Jun 2015, Published online: 04 Aug 2015
 

Abstract

Itraconazole (ITR), an antifungal agent has poor bioavailability due to low aqueous solubility. The present investigation aimed at development of ITR nanoemulsion to enhance its oral bioavailability. ITR nanoemulsion was prepared using Capmul MCM C8 as oil, Pluronic F68 as co-surfactant and Cremophore EL as surfactant using high speed stirring, followed by probe sonication. Nanoemulsion with average globule size of 100.9 nm and zeta potential of −35.9 ± 1.2 mV was able to penetrate well into the intestinal membrane as confirmed by the laser confocal scanning microscopy and ex vivo intestinal permeability study. Antimycotic study confirmed the efficacy of ITR nanoemulsion. Significantly higher values of pharmacokinetic parameters the formulation than the plain drug and marketed formulation indicated an increase in the bioavailability of ITR. The prepared nanoemulsion was stable at both, refrigerated and room temperature conditions. Nanoemulsion of ITR seems to be a promising formulation for enhancement of its oral bioavailability.

Declaration of interest

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the article.

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