Cynomolgus monkey and mouse (tox); hemophilia B dog and mouse (pharmacology); rabbit (shedding)
“A toxicology study was also conducted evaluating IV administration of AAVRh74var Padua in nonhuman primates (NHP) at dose levels ranging from 1 x 1012 vg/kg to 5 x 1012 vg/kg.”
✓ VerifiedFDA pharmacology/toxicology review, p. 2Source ↗
Why that species
Not stated in public reviews
Surrogate molecule
Yes: canine FIX surrogate vector for dog pharmacology; tox used closely related predecessor vector
“In vivo pharmacology was evaluated using a surrogate BEQVEZ product, AAVRh74var-cFIX-R338L, which expresses a transgene encoding canine factor IX, in a juvenile hemophilia B dog model.”
✓ VerifiedFDA summary basis for approval, p. 12Source ↗