当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF PHARMACEUTICS期刊下所有文献 > Long-circulating lipoprotein-mimic nanoparticles for smart intravenous delivery of a practically-insoluble antineoplastic drug: Development, preliminary safety evaluations and preclinical pharmacokinetic studies.

Long-circulating lipoprotein-mimic nanoparticles for smart intravenous delivery of a practically-insoluble antineoplastic drug: Development, preliminary safety evaluations and preclinical pharmacokinetic studies.

Abstract：

:Chlorambucil (CHL) is a water-insoluble antineoplastic drug having a short elimination half-life. It suffers from remarkable differences in pharmacokinetics following oral administration. The current work aimed to assess safety and pharmacokinetics of CHL-loaded, lipoprotein-mimic, nanoparticles (NPs) following intravenous administration. The design of NPs was based on complexation between egg yolk lecithin (EYL) and bovine serum albumin (BSA). The NPs were preliminary evaluated via FT-IR, DSC and P-XRD. The NPs were characterized for particle size, zeta potential, morphology and drug entrapment efficiency (EE%). The best achieved NP dispersion (LP6) and CHL solution were challenged for in vitro hemolytic potential, in vivo vascular irritation studies in rabbits and in vivo pharmacokinetics following intravenous administration in rats. The results confirmed that NPs were stabilized by hydrophobic-attractions and hydrogen-bondings between CHL, BSA and EYL. The amorphous dispersion of CHL within NPs was revealed. LP6 dispersion displayed monodispersed nano-spherical particles (144.33 ± 2.17 nm). It possessed the highest negative zeta potential (-30.55 ± 0.24 mV) and the largest EE% (86.35 ± 2.33%). The significantly (P < 0.05) prolonged MRT(0-∞), longer elimination t50% and reduced plasma clearance highlighted the long-circulating characteristics of LP6. The preliminary safety evaluations and the seven-fold increase in bioavailability elucidated potentiality for smart intravenous delivery of CHL.

journal_name

Int J Pharm

journal_title

International journal of pharmaceutics

authors

Tadros MI,Al-Mahallawi AM

doi

10.1016/j.ijpharm.2015.08.011

subject

Has Abstract

pub_date

2015-09-30 00:00:00

pages

439-50

issue

1-2

eissn

0378-5173

issn

1873-3476

pii

S0378-5173(15)30108-3

journal_volume

493

pub_type

杂志文章

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