“In a 39-week monkey study, cynomolgus monkeys were subcutaneously administered vehicle or givosiran (10, 30, or 100 mg/kg) once weekly for 39 weeks followed by a 13-week recovery period.”
✓ VerifiedFDA multi-discipline review, p. 27Source ↗
Pivotal GLP studies
Rat 26-week SC weekly (with male fertility arm), monkey 39-week SC weekly, both with 13-week recovery
“Dawley rats were subcutaneously administered vehicle or givosiran (3, 10, or 30 mg/kg) once weekly for 26 weeks followed by a 13-week recovery period.”
✓ VerifiedFDA multi-discipline review, p. 27Source ↗
Route in tox
Subcutaneous, once weekly (vs monthly clinical schedule)
“The studies were conducted using the subcutaneous route of administration, which is consistent with the intended clinical route of administration; however, animals were dosed once weekly instead of the once monthly dose schedule used to treat patients.”
✓ VerifiedFDA multi-discipline review, p. 27Source ↗