Journal
MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH
Volume 511, Issue 2, Pages 133-144Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S1383-5742(02)00007-8
Keywords
metronidazole; antiparasitic; drug genotoxicity; susceptibility; metabolism; carcinogenicity
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Metronidazole (MTZ, 1-[2-hydroxyethyl]-2-methyl-5-nitroimidazole), an antiparasitic and antibacterial compound, is one of the world's most used drugs. MTZ is potentially carcinogenic to humans due to the following facts: it is a proven mutagen in bacterial systems, it is genotoxic to human cells and also, it is carcinogenic to animals. However, due to inadequate epidemiological evidence, it is not considered as a risk factor for cancer in humans. As it will be discussed here, the existing population studies are deficient since they have not included sufficient sample size, the follow-up time has not been long enough, and the individual sensitivity to the drug might have been acting as a confounding factor, Due to the increasing use of this drug, more and improved studies are needed to elucidate its mechanism of genotoxicity and its carcinogenic potential. (C) 2002 Elsevier Science B.V. All rights reserved.
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