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Nanomedicine for drug targeting: strategies beyond the enhanced permeability and retention effect

Authors Nehoff H, Parayath NN, Domnanovich L, Taurin S, Greish K

Received 31 January 2014

Accepted for publication 3 April 2014

Published 22 May 2014 Volume 2014:9(1) Pages 2539—2555

DOI https://doi.org/10.2147/IJN.S47129

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 4

Hayley Nehoff,1 Neha N Parayath,1 Laura Domanovitch,1 Sebastien Taurin,1 Khaled Greish1,2

1Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand; 2Department of Oncology, Faculty of Medicine, Suez Canal University, Egypt

Abstract: The growing research interest in nanomedicine for the treatment of cancer and inflammatory-related pathologies is yielding encouraging results. Unfortunately, enthusiasm is tempered by the limited specificity of the enhanced permeability and retention effect. Factors such as lack of cellular specificity, low vascular density, and early release of active agents prior to reaching their target contribute to the limitations of the enhanced permeability and retention effect. However, improved nanomedicine designs are creating opportunities to overcome these problems. In this review, we present examples of the advances made in this field and endeavor to highlight the potential of these emerging technologies to improve targeting of nanomedicine to specific pathological cells and tissues.

Keywords: nanomedicine, permeability and retention effect, tissue targeting, cancer treatment, inflammation

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