Tuesday, March 2, 2021

Assessment of Genotoxic Impurities



A potential genotoxic impurity (PGI) has been defined as an “Impurity that shows a structural alert for genotoxicity but that has not been tested in an experimental test model. Here potentially relates to genotoxicity, not to the presence or absence of this impurity”. Genotoxic impurities impact the genetic material using mutations through chromosomal breaks, rearrangements, covalent binding, or insertion into the DNA during replication which may result in carcinogenesis.

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