Sustained release and enhanced bioavailability of injectable scutellarin-loaded bovine serum albumin nanoparticles

被引:44
|
作者
Wei, Yuanfeng [1 ]
Li, Laicun [1 ]
Xi, Yifeng [1 ]
Qian, Shuai [1 ]
Gao, Yuan [1 ]
Zhang, Jianjun [2 ]
机构
[1] China Pharmaceut Univ, Sch Tradit Chinese Med, Nanjing 210009, Jiangsu, Peoples R China
[2] China Pharmaceut Univ, Dept Pharmaceut, Nanjing 210009, Jiangsu, Peoples R China
关键词
Scutellarin; Albumin nanoparticles; Sustained release; Elimination half-life; Bioavailability; DRUG-DELIVERY; CELL LINES; BREVISCAPINE; RATS; PHARMACOKINETICS; DISSOLUTION; PROFILES; DESIGN; BRAIN;
D O I
10.1016/j.ijpharm.2014.09.038
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
The aim of this study is to characterize the in-vitro physicochemical and in-vivo pharmacokinetic properties of the scutellarin-loaded bovine serum albumin nanoparticles (STA-BSA-NPs). STA existed as amorphous form in the nanoparticles. Reconstituted STA-BSA-NPs had an average particle size of 283.4 nm and a zeta potential of +17.95 mV. The in-vitro sustained release profile was well fitted with Weibull distribution model. In comparison to STA solution, STA-BSA-NPs exhibited a significantly higher plasma concentration from 20 min to 6 h after intravenous administration to rats. In addition, significantly higher AUC(0-inf) (2.8-fold), prolonged elimination half-life (4.2-fold) and lower clearance (2.7-fold) were achieved. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:142 / 148
页数:7
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