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Anti-Cancer Agents in Medicinal Chemistry


ISSN (Print): 1871-5206
ISSN (Online): 1875-5992

Colon Cancer Therapy: Recent Developments in Nanomedicine to Improve the Efficacy of Conventional Chemotherapeutic Drugs

Author(s): J. Prados, C. Melguizo, R. Ortiz, G. Perazzoli, L. Cabeza, P. J. Álvarez, F. Rodriguez-Serrano and A. Aranega

Volume 13, Issue 8, 2013

Page: [1204 - 1216] Pages: 13

DOI: 10.2174/18715206113139990325

Price: $65


The number of patients with colorectal cancer, the third most frequently diagnosed malignancy in the world, has increased markedly over the past 20 years and will continue to increase in the future. Despite recent advances in chemotherapy, currently used anticancer molecules are unable to improve the prognosis of advanced or recurrent colorectal cancer, which remains incurable. The transport of classical drugs by nanoparticles has shown great promise in terms of improving drug distribution and bioavailability, increasing tissue half-life and concentrating anticancer molecules in the tumor mass, providing optimal drug delivery to tumor tissue, and minimizing drug toxicity, including those effects associated with pharmaceutical excipients. In addition, colon cancer targeting may be improved by incorporating ligands for tumor-specific surface receptors. Similarly, nanoparticles may interact with key drug-resistance molecules to prevent a reduction in intracellular drug levels drug. Recently published data have provided convincing pre-clinical evidence regarding the potential of active-targeted nanotherapeutics in colon cancer therapy, although, unfortunately, only a few of these therapies have been translated into early-phase clinical trials. As nanotechnology promises to be a new strategy for improving the prognosis of colon cancer patients, it would be very useful to analyze recent progress in this field of research. This review discusses the current status of nanoparticle-mediated cancer-drug delivery, the challenges restricting its application, and the potential implications of its use in colon cancer therapy.

Keywords: Colon cancer, chitosan, cytotoxic drugs, 5-fluorouracil, nanoparticles, drug resistance, P-glycoprotein.

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