期刊
EUROPEAN JOURNAL OF PHARMACEUTICAL SCIENCES
卷 115, 期 -, 页码 185-195出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejps.2017.11.029
关键词
Biodegradable nanoparticles; Clotrimazole; Mucoadhesion; PLGA-chitosan nanoparticles; Vaginal administration
资金
- UNAM-DGAPA-PAPIIT [IN221717, IT203614]
- CONACYT [CB 128799, PIAPI 1641, 206033]
This study aimed to prepare poly (D,L-lactide-co-glycolide) (PLGA) nanoparticles (NPs) with chitosan (CTS) surface modification to be used as a vaginal delivery system for antimycotic drugs. Clotrimazole was encapsulated with entrapment efficiencies of 86.1 and 68.9% into Clotrimazole-PLGA-NPs (CLT-PLGA-NPs) and PLGA-NPs with CTS-modified surface (CLT-PLGA-CTS-NPs), respectively. The later NPs exhibited a larger size and higher positive zeta potential (Z potential) in comparison to unmodified NPs. In vitro release kinetic studies indicated that Clotrimazole was released in percentages of > 98% from both nanoparticulate systems after 18 days. Antifungal activity and mucoadhesive properties of NPs were enhanced when CTS was added onto the surface. In summary, these results suggested that Clotrimazole loaded into PLGA-CTS-NPs has great potential for vaginal applications in treating vaginal infections generated by Candida albicans.
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