Not conducted with ADC; SN-38 Ames negative, in vitro micronucleus positive (clastogenic)
“SN-38 was negative for mutagenicity in a bacterial reverse mutation (Ames) test but was clastogenic in the in vitro mammalian cell micronucleus test.”
✓ VerifiedFDA multi-discipline review, p. 176Source ↗
Carcinogenicity
Not conducted (advanced cancer, ICH S9)
“No carcinogenicity studies were conducted or warranted to support this NDA, as the proposed indication was for advanced cancer.”
✓ VerifiedFDA multi-discipline review, p. 177Source ↗
Reproductive & developmental
Not conducted (ICH S9); SN-38 genotoxic so embryo-fetal toxicity expected; female repro organ findings in monkey
“No embryo-fetal developmental toxicology studies were conducted or warranted to support this BLA submission, based on ICH S9.”
✓ VerifiedFDA multi-discipline review, p. 176Source ↗
Safety pharmacology
Incorporated into repeat-dose monkey studies; no CNS, CV or respiratory findings; no hERG
“Safety pharmacology endpoints were assessed in the repeat-dose toxicity studies in monkeys. There were no sacituzumab govitecan-related findings on the central nervous, cardiovascular, or respiratory systems.”
✓ VerifiedFDA multi-discipline review, p. 176Source ↗