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Current Drug Research Reviews

Editor-in-Chief

ISSN (Print): 2589-9775
ISSN (Online): 2589-9783

Review Article

Drug Repurposing: An Emerging Tool for Drug Reuse, Recycling and Discovery

Author(s): Supriya Roy, Suneela Dhaneshwar* and Bhavya Bhasin

Volume 13 , Issue 2 , 2021

Published on: 11 February, 2021

Page: [101 - 119] Pages: 19

DOI: 10.2174/2589977513666210211163711

Price: $65

Abstract

Drug repositioning or repurposing is a revolutionary breakthrough in drug development that focuses on rediscovering new uses for old therapeutic agents. Drug repositioning can be defined more precisely as the process of exploring new indications for an already approved drug while drug repurposing includes overall re-development approaches grounded in the identical chemical structure of the active drug moiety as in the original product. The repositioning approach accelerates the drug development process, curtails the cost and risk inherent to drug development. The strategy focuses on the polypharmacology of drugs to unlocks novel opportunities for logically designing more efficient therapeutic agents for unmet medical disorders. Drug repositioning also expresses certain regulatory challenges that hamper its further utilization. The review outlines the eminent role of drug repositioning in new drug discovery, methods to predict the molecular targets of a drug molecule, advantages that the strategy offers to the pharmaceutical industries, explaining how the industrial collaborations with academics can assist in the discovering more repositioning opportunities. The focus of the review is to highlight the latest applications of drug repositioning in various disorders. The review also includes a comparison of old and new therapeutic uses of repurposed drugs, assessing their novel mechanisms of action and pharmacological effects in the management of various disorders. Various restrictions and challenges that repurposed drugs come across during their development and regulatory phases are also highlighted.

Keywords: Drug reprofiling, retargeting, therapeutic switching, drug rescue, drug repositioning, polypharmacology, serological biomarkers, drug target.

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