✓ VerifiedFDA multi-discipline review, p. 40Source ↗
Carcinogenicity
Not conducted; not warranted
“Carcinogenicity studies were not warranted.”
✓ VerifiedFDA multi-discipline review, p. 40Source ↗
Instead of carcinogenicity
Not stated in public reviews
Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
Instead of genotoxicity
Not stated in public reviews
Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
DRG histopathology
Not stated in public reviews
Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
Reproductive & developmental
Not conducted; weight-of-evidence reproductive risk assessment submitted instead
“Reproductive and developmental toxicology studies were not conducted with retifanlimab. Instead, the Applicant submitted a weight-of-evidence reproductive risk assessment for retifanlimab.”
✓ VerifiedFDA multi-discipline review, p. 40Source ↗
Safety pharmacology
Incorporated into 4-week GLP monkey study (CNS, cardiovascular, respiratory); no adverse effects up to 150 mg/kg
“No retifanlimab-related findings suggestive of adverse effects on the CNS, cardiovascular, or respiratory systems were noted at any dose level evaluated (10-150 mg/kg).”
✓ VerifiedFDA multi-discipline review, p. 40Source ↗
Carcinogenicity timing
Not required
“Carcinogenicity studies were not warranted.”
✓ VerifiedFDA multi-discipline review, p. 40Source ↗
hERG / QT
No hERG assay; no CNS, cardiovascular or respiratory effects in monkeys at 10-150 mg/kg
“No retifanlimab-related findings suggestive of adverse effects on the CNS, cardiovascular, or respiratory systems were noted at any dose level evaluated (10-150 mg/kg).”