期刊
NANOMEDICINE
卷 13, 期 5, 页码 501-520出版社
FUTURE MEDICINE LTD
DOI: 10.2217/nnm-2017-0291
关键词
aerodynamic diameter; chitosan-coated nanoparticles; gamma imaging; lung deposition; mucoadhesive; pharmacokinetics; voriconazole
资金
- Women Scientist (WOS-A), Department of Science & Technology (DST), Govt. of India [SR/WOS-A/LS-1356/2014]
Aim: Chitosan-coated polylactic-co-glycolic acid nanoparticles of voriconazole (VChNP) were developed to increase residence time and provide sustained drug release locally to treat recurrent lung-fungal infection. Materials & methods: VChNP has been developed using a simple, unique technique and characterized. Pharmacokinetics, lung deposition with time and gamma imaging were conducted with optimized formulations. Results: The deposition of fluorescein isothiocyanate-labeled VChNP in lung was confirmed by confocal microscopy. Gamma-scintigraphic images showed that Tc-99m-labeled VChNP had better pulmonary retention for longer period than that of noncoated formulation. Drastic improvement in pharmacokinetic profile of VChNP than noncoated formulation was observed. Conclusion: Thus, VChNP may be useful for effective pulmonary delivery with improved bioavailability. Such chitosan-coated nanoparticles may open up a new avenue for efficacious treatment of lung-fungal infection.
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