期刊
DRUG DEVELOPMENT AND INDUSTRIAL PHARMACY
卷 45, 期 5, 页码 736-744出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/03639045.2019.1569039
关键词
Nanoemulsion; lactoferrin; indinavir; blood-brain barrier; neuropharmacokinetic
资金
- Zanjan University of Medical Sciences (ZUMS), IRAN [A-12-233-18]
Objective: Indinavir (IDV), an antiretroviral protease inhibitor used in treatment of HIV infection, has limited entry into brain due to efflux by the P-glycoprotein presented in blood-brain barrier. The aim of present study was to develop lactoferrin-treated nanoemulsion containing indinavir (Lf-IDV-NEs) for delivery to brain. Methods: Indinavir-loaded nanoemulsions (IDV-NEs) were prepared by high-speed homogenization method, and then lactoferrin was coupled to IDV-NEs by water soluble EDC method. Results: The hydrodynamic diameters, polydispersity index, and zeta potential of IDV-NEs were 112 +/- 3.5 nm, 0.20 +/- 0.02, and -33.2 +/- 2.6 mV, respectively. From in vivo studies in animal model of rats, the AUC(0-4 h) of brain concentration-time profile of IDV-NEs and Lf-IDV-NEs were 1.6 and 4.1 times higher than free drug, respectively. The brain uptake clearance of IDV-NEs and Lf-IDV-NEs were, interestingly, 393- and 420-times higher than the free drug. Conclusions: It can be concluded that applying both lactoferrin-treated and non-treated nanoemulsions clearly leads to significant brain penetration enhancement of indinavir, an effect which is more pronounced in the case of Lf-IDV-NEs with the higher drug residence time in brain.
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