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Polymeric nanoparticles for targeted treatment in oncology: current insights

Authors Prabhu R, Patravale V, Joshi MD

Received 18 November 2014

Accepted for publication 24 December 2014

Published 2 February 2015 Volume 2015:10(1) Pages 1001—1018


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Prof. Dr. Thomas J. Webster

Video abstract presented by Rashmi H Prabhu

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Rashmi H Prabhu,1 Vandana B Patravale,1 Medha D Joshi2

1Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, India; 2Department of Pharmaceutical Sciences, Chicago College of Pharmacy, Midwestern University, Downers Grove, IL, USA

Abstract: Chemotherapy, a major strategy for cancer treatment, lacks the specificity to localize the cancer therapeutics in the tumor site, thereby affecting normal healthy tissues and advocating toxic adverse effects. Nanotechnological intervention has greatly revolutionized the therapy of cancer by surmounting the current limitations in conventional chemotherapy, which include undesirable biodistribution, cancer cell drug resistance, and severe systemic side effects. Nanoparticles (NPs) achieve preferential accumulation in the tumor site by virtue of their passive and ligand-based targeting mechanisms. Polymer-based nanomedicine, an arena that entails the use of polymeric NPs, polymer micelles, dendrimers, polymersomes, polyplexes, polymer–lipid hybrid systems, and polymer–drug/protein conjugates for improvement in efficacy of cancer therapeutics, has been widely explored. The broad scope for chemically modifying the polymer into desired construct makes it a versatile delivery system. Several polymer-based therapeutic NPs have been approved for clinical use. This review provides an insight into the advances in polymer-based targeted nanocarriers with focus on therapeutic aspects in the field of oncology.

Keywords: polymeric nanoparticles, cancer, passive delivery, ligand-based delivery

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