“The Applicant evaluated the safety of lazertinib using Sprague-Dawley rats and Beagle dogs in GLP-compliant oral repeat-dose toxicology studies of up to 13-weeks duration.”
✓ VerifiedFDA multi-discipline review, p. 41Source ↗
Why that species
PK and metabolic profiles comparable to human; no human-specific metabolites
“Overall, the PK profile in rats and dogs appears to be well described, and comparisons with human PK data supported the rat and dog as relevant non-clinical species for testing toxicity.”