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J Pharmacol Pharmacother. 2011 Apr;2(2):74-9. doi: 10.4103/0976-500X.81895.

Toxicological screening.

Author information

1
Department of Pharmacology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.

Abstract

Toxicity testing of new compounds is essential for drug development process. The preclinical toxicity testing on various biological systems reveals the species-, organ- and dose- specific toxic effects of an investigational product. The toxicity of substances can be observed by (a) studying the accidental exposures to a substance (b) in vitro studies using cells/ cell lines (c) in vivo exposure on experimental animals. This review mainly focuses on the various experimental animal models and methods used for toxicity testing of substances. The pre-clinical toxicity testing helps to calculate "No Observed Adverse Effect Level" which is needed to initiate the clinical evaluation of investigational products.

KEYWORDS:

No Observed Adverse Effect Level; Toxicity; rodents

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