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    The objective of this study was to prepare and evaluate Nystatin (NYS) loaded transfersomes to achieve better treatment of vulvovaginal candidiasis. Nystatin transferosomes were formulated utilizing thin film hydration method. A 32 full factorial design was employed to evaluate the effect of different formulation variables. Two independent variables were chosen; the ratio between lecithin surfactant (X1) was set at three levels (10-40), and the type of surfactants (X2) was set at three levels (Span 60, Span 85 and Pluronic F-127). The dependent responses were; entrapment efficiency (Y1: EE %), vesicles size (Y2: VS) and release rate (Y3: RR). Design Expert® software was utilized to statistically optimize formulation variables. The vesicles revealed high NYS encapsulation efficiency ranging from 97.35 ± 0.03 to 98.01 ± 0.20% whereas vesicle size ranged from 194.8 ± 20.42 to 400.8 ± 42.09 nm. High negative zeta potential values indicated good stability of the prepared formulations. NYS release from transfersomes was biphasic and the release pattern followed Higuchi's model. The optimized formulation (F7) exhibited spherical morphology under transmission electron microscopy (TEM). In-vitro and in-vivo antifungal efficiency studies revealed that the optimized formula F7 exhibited significant eradication of candida infestation in comparison to free NYS. The results revealed that the developed NYS transfersomes could be a promising drug delivery system to enhance antifungal efficacy of NYS. Copyright © 2021 Elsevier B.V. All rights reserved.

    Citation

    Mayssa Abdel Hady, Asmaa B Darwish, Mohamed S Abdel-Aziz, Ossama M Sayed. Design of transfersomal nanocarriers of nystatin for combating vulvovaginal candidiasis; A different prospective. Colloids and surfaces. B, Biointerfaces. 2022 Mar;211:112304

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    PMID: 34959094

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