Not conducted; literature weight-of-evidence shows no clear carcinogenicity concern from IL-17A/F inhibition
“In conclusion, the literature does not suggest a clear concern that inhibition of IL-17A and IL-17F would lead to carcinogenicity or tumor development.”
✓ VerifiedFDA multi-discipline review, p. 208Source ↗
Reproductive & developmental
Monkey ePPND: NOAEL 50 mg/kg/week for maternal and developmental toxicity (38x MRHD)
“The no observed adverse effect level (NOAEL) for both maternal and developmental toxicity was identified as 50 mg/kg/week which is 38 times (based on mg/kg comparison) the maximum recommended human dose”
✓ VerifiedFDA multi-discipline review, p. 209Source ↗
Safety pharmacology
Incorporated into monkey repeat-dose studies; no CNS, respiratory, ECG or blood pressure effects up to 200 mg/kg/week
“Clinical observations from the repeat-dose toxicity studies conducted in cynomolgus monkeys indicate bimekizumab does not induce central nervous system or respiratory effects. No ECG or blood pressure effects were observed in cynomolgus monkeys treated subcutaneously for 26 weeks with up to 200 mg/kg/week bimekizumab.”
✓ VerifiedFDA multi-discipline review, p. 206Source ↗