Male fertility/early embryonic development in 26-week rat study (no effects); no female reproductive or EFD studies (hemophilia almost exclusively male)
“Fitusiran was not tested in reproduction studies in female animals because hemophilia A and B occur almost exclusively in males.”
Dedicated: hERG assay and GLP telemetry monkey CV/respiratory study (up to 10 mg/kg SC); no effects
“In a GLP safety pharmacology study that evaluated both cardiovascular and respiratory function, male telemetered cynomolgus monkeys were subcutaneously administered a single dose of vehicle”