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US Federal Register - FDA Guidance Notices · United States · 2 Sep 2026 · Guidance

VICH GL23(R2): Studies to Evaluate the Safety of Residues of Veterinary Drugs in Human Food: Genotoxicity Testing (Revision 2)

Original title: International Cooperation on Harmonisation of Technical Requirements for Registration of Veterinary Medicinal Products; Studies To Evaluate the Safety of Residues of Veterinary Drugs in Human Food: Genotoxicity Testing (Revision 2); Guidance for Industry; Availability

The Food and Drug Administration (FDA or Agency) is announcing the availability of a final guidance for industry (GFI) #116 (VICH GL23(R2)) titled "Studies to Evaluate the Safety of Residues of Veterinary Drugs in Human Food: Genotoxicity Testing (Revision 2)." This guidance has been developed for veterinary use by the International Cooperation on Harmonisation of Technical Requirements for Registration of Veterinary Medicinal Products (VICH). The objective of this guidance is to ensure international harmonization of genotoxicity testing of veterinary drug residues.