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Current Pharmaceutical Biotechnology

Editor-in-Chief

ISSN (Print): 1389-2010
ISSN (Online): 1873-4316

CPP Mediated Insulin Delivery: Current Status and Promising Future

Author(s): Ergang Liu, Jianyong Sheng, Junxiao Ye, Yaping Wang, Junbo Gong, Victor C. Yang, Jianxin Wang and Huining He

Volume 15, Issue 3, 2014

Page: [240 - 255] Pages: 16

DOI: 10.2174/1389201015666140813125840

Price: $65

Abstract

A variety of methods including penetrating enhancers, enzyme inhibitors, as well as cargo mediated drug delivery have been explored to improve the intolerance of parenteral administrated insulin, but little success has been achieved so far. Under this background, cell penetrating peptides (CPPs), with their ability to enhance transport efficiency of macromolecular drugs have been demonstrated to be able to increase insulin bioavailability (BA) in a number of studies, of which a BA up to 50.7% relative to subcutaneously administered insulin could be achieved by nasal route under optimal conditions. Furthermore, CPPs could be conveniently formulated with insulin, or be grafted onto drug-loaded cargoes to facilitate the cargo mediated insulin delivery. Here we reviewed the recent achievements on CPP-mediated insulin transport, and outlined various CPP-based delivery strategies which are expected to show potential in clinical translation in the future.

Keywords: Bioavailability, cell-penetrating peptide, insulin, nonparenteral administration.


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