Selective Delivery of Oxaliplatin to Tumor Tissue by Nanocarrier System Enhances Overall Therapeutic Efficacy of the Encapsulated Oxaliplatin

  • Lila Amr Selim Abu
    Department of Pharmacokinetics and Biopharmaceutics, Subdivision of Biopharmaceutical Sciences, Institute of Health Biosciences, The University of Tokushima Department of Pharmaceutics and Industrial Pharmacy, 
Faculty of Pharmacy, Zagazig University
  • Kiwada Hiroshi
    Department of Pharmacokinetics and Biopharmaceutics, Subdivision of Biopharmaceutical Sciences, Institute of Health Biosciences, The University of Tokushima
  • Ishida Tatsuhiro
    Department of Pharmacokinetics and Biopharmaceutics, Subdivision of Biopharmaceutical Sciences, Institute of Health Biosciences, The University of Tokushima

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Oxaliplatin (trans-l-diaminocyclohexane oxalatoplatinum; l-OHP), a third-generation platinum antitumor drug, is currently approved in combination with 5-flurouracil (5-FU)/leucovorin (FOLFOX) for standard first- and second-line treatment of metastatic or advanced-stage colorectal cancer. Despite l-OHP’s better tolerability in comparison with other platinum compounds such as cisplatin and carboplatin, its clinical efficiency is limited by the dose-limiting side effects including cumulative neurotoxicity and acute dysesthesias. In addition, like other platinum chemotherapeutic agents, l-OHP therapy is limited by reduced accumulation levels in tumor tissues, nonselective accumulation in healthy organs and/or tissues, inactivation by conjugation with glutathione, and the development of drug resistance. Accordingly, successful outcome of cancer treatment using l-OHP requires selective delivery of a relatively high concentration of the drug to tumor tissues. In this review we focus on utilization of different drug-delivery vehicles such as liposomes, polymeric nanocarriers, and carbon nanotubes in enhancing selective delivery of l-OHP to tumor tissues and consequently improving overall efficacy of l-OHP-containing drug-delivery systems.

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