“The only relevant species for nonclinical testing is the nonhuman primate.”
✓ VerifiedFDA multi-discipline review, p. 205Source ↗
Why that species
No or very low affinity for mouse IL-17A, IL-17F or IL-17AF; binds cynomolgus IL-17A/F
“The non-clinical evaluation has been conducted in the Cynomolgus monkey only since bimekizumab has no or very low affinity for mouse IL-17A, IL-17F or IL-17AF.”