Not conducted (traditional); vector integration site analysis performed instead
“Traditional genotoxicity studies were not conducted using KTE-X19, however, given the use of a murine γ-retroviral vector to stably integrate the anti-CD19 CAR into the T cell genome, a risk associated with insertional mutagenesis exists.”
✓ VerifiedFDA pharmacology/toxicology review, p. 5Source ↗
Carcinogenicity
Not conducted
“No carcinogencity/tumorigenicity studies were conducted.”
✓ VerifiedFDA pharmacology/toxicology review, p. 6Source ↗
Reproductive & developmental
Not conducted (product characteristics, safety profile)
“No animal reproductive and developmental toxicity studies were conducted with KTE-X19, which is acceptable based on the product characteristics and safety profile.”
✓ VerifiedFDA summary basis for approval, p. 12Source ↗
Safety pharmacology
Not conducted
“No secondary pharmacodynamics studies, safety pharmacology studies and pharmacodynamic drug interaction studies were conducted.”