Investigation of factors affecting aerodynamic performance of nebulized nanoemulsion.

Document Type : Research article

Authors

1 Tehran University of Medical Sciences

2 North Khorasan University of Medical Sciences

3 Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran

4 Islamic Azad University

Abstract

This work aimed to prepare a nanoemulsion preparation containing budesonide and assess its aerodynamic behavior in comparison with suspension of budesonide. In-vitro aerodynamic performance of the corresponding micellar solution (ie. nanoemulsion preparation without oil) was investigated too. Nanoemulsions of almond oil containing budesonide, as a hydrophobic model drug molecule, were prepared and optimized. Then, the effect of variation of surfactant/co-surfactant concentration on the aerodynamic properties of the nebulized aerosol was studied. The results indicated that the most physically stable formulation makes the smallest aerodynamic size. The concentration of co-surfactant was also shown to be critical in determination of aerodynamic size. Furthermore, the optimized sample, with 3% w/w almond oil, 20% w/w Tween 80+Span 80 and 2% w/w ethanol showed a smaller MMAD in comparison with the commercially available suspension and the micellar solution.

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Iranian Journal of Pharmaceutical Research
Volume 15, Issue 4
Autumn 2016
Pages 687-693

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