“Ensitrelvir was highly protein-bound (97.4% to >98.9%) across all species, predominantly to albumin, with highest tissue concentrations in the liver and minimal CNS penetration (rat distribution study), with excretion occurring primarily through feces and urine.”
✓ VerifiedFDA pharmacology/toxicology review, p. 6Source ↗
Modality-specific risk
Embryofetal, pre/postnatal and juvenile toxicity in rats and rabbits
“Additionally, significant safety concerns were identified in the embryo-fetal development, pre- and post-natal development and juvenile toxicology studies in rabbits and rats.”
✓ VerifiedFDA pharmacology/toxicology review, p. 11Source ↗