Oxidative Medicine and Cellular Longevity

Oxidative Medicine and Cellular Longevity / 2010 / Article

Open Access

Volume 3 |Article ID 948013 | https://doi.org/10.4161/oxim.3.4.13246

Sabry M. Attia, "Deleterious Effects of Reactive Metabolites", Oxidative Medicine and Cellular Longevity, vol. 3, Article ID 948013, 16 pages, 2010. https://doi.org/10.4161/oxim.3.4.13246

Deleterious Effects of Reactive Metabolites

Received28 Jun 2010
Revised03 Aug 2010
Accepted04 Aug 2010

Abstract

A number of drugs have been withdrawn from the market or severely restricted in their use because of unexpected toxicities that become apparent only after the launch of new drug entities. Circumstantial evidence suggests that, in most cases, reactive metabolites are responsible for these unexpected toxicities. In this review, a general overview of the types of reactive metabolites and the consequences of their formation are presented. The current approaches to evaluate bioactivation potential of new compounds with particular emphasis on the advantages and limitation of these procedures will be discussed. Reasonable reasons for the excellent safety record of certain drugs susceptible to bioactivation will also be explored and should provide valuable guidance in the use of reactive-metabolite assessments when nominating drug candidates for development. This will, in turn, help us to design and bring safer drugs to the market.

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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