Solid lipid nanoparticles of paclitaxel strengthened by hydroxypropyl-β-cyclodextrin as an oral delivery system

Int J Mol Med. 2012 Oct;30(4):953-9. doi: 10.3892/ijmm.2012.1086. Epub 2012 Aug 3.

Abstract

The objective of this study was to evaluate the potential of surface-modified paclitaxel (PTX)-incorporated solid lipid nanoparticles with hydroxypropyl-β-cyclodextrin (smPSH). The smPSH released 89.70 ± 3.99% of its entrapped PTX within 24 h when placed in dissolution medium containing sodium lauryl sulfate. The cellular uptake of PTX from smPSH in Caco-2 cells was 5.3-fold increased compared to a PTX solution based on a Taxol formulation. Moreover, smPSH showed an increased cytotoxicity compared to PTX solution. In addition, AUC (5.43 µg•h/ml) and Cmax (1.44 µg/ml) of smPSH were higher than those (1.81 µg•h/ml and 0.73 µg/ml) of PTX solution. The drug concentration of smPSH (11.12 ± 4.45 ng/mg of lymph tissue) in lymph nodes was higher than that of the PTX solution (0.89 ± 0.75 ng/mg of lymph tissue), suggesting that more PTX was transported to the lymphatic vessels in the form of smPSH. In conclusion, smPSH have a potential as an alternative delivery system for oral administration of PTX.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • 2-Hydroxypropyl-beta-cyclodextrin
  • Administration, Oral
  • Animals
  • Antineoplastic Agents, Phytogenic / administration & dosage*
  • Antineoplastic Agents, Phytogenic / pharmacokinetics
  • Antineoplastic Agents, Phytogenic / pharmacology
  • Caco-2 Cells
  • Cell Survival / drug effects
  • Drug Carriers / chemistry*
  • Humans
  • Male
  • Nanoparticles / chemistry*
  • Neoplasms / drug therapy
  • Paclitaxel / administration & dosage*
  • Paclitaxel / pharmacokinetics
  • Paclitaxel / pharmacology
  • Rats
  • Rats, Sprague-Dawley
  • beta-Cyclodextrins / chemistry*

Substances

  • Antineoplastic Agents, Phytogenic
  • Drug Carriers
  • beta-Cyclodextrins
  • 2-Hydroxypropyl-beta-cyclodextrin
  • Paclitaxel