Effect of drug incorporation technique and polymer combination on the performance of biopolymeric antifungal buccal films

International Journal of Pharmaceutics
G TejadaD Leonardi

Abstract

Numerous films with a dissolved or dispersed active principle within a polymeric matrix have been described in literature. However, the incorporation of solid crystals into the films may influence several relevant properties. Additionally, it has been reported that different polymeric matrices lead to films presenting a different performance. The aim of this work was to evaluate the effect of the combination of chitosan with carrageenan (κ-, λ-, and ι-) as matrices, and of the miconazole nitrate incorporation method, on the films behavior. Mechanical properties, drug release and antifungal activity were evaluated. The state of the drug in the films was analyzed by different techniques. Films showed a homogeneous surface and a thermal protective effect on the drug. The combination of chitosan and λ-carrageenan leads to films with the highest values of tensile and mucoadhesive strength. Films with solubilized drug displayed slightly higher elongation at break, tensile and mucoadhesive strength and faster drug release than those with suspended miconazole nitrate. However, no differences were found regarding the antifungal activity of the different formulations including time-to-kill curves.

Citations

Oct 18, 2020·International Journal of Pharmaceutics·Luisa Stella DolciSilvia Panzavolta
Jan 24, 2021·European Journal of Pharmaceutical Sciences : Official Journal of the European Federation for Pharmaceutical Sciences·Samaneh Alaei, Hamid Omidian

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