“Romosozumab has been evaluated in repeat-dose toxicity studies in rats (up to 26 weeks with 14 weeks recovery) and in monkeys (up to 26 weeks with 14 weeks recovery).”
Repeat-dose studies up to 26 weeks (14-week recovery) in rats and monkeys; rat carcinogenicity and reproductive studies
“The program includes repeat-dose studies up to 26 weeks with 14 weeks recovery in rats and monkeys; reproductive toxicity studies in rats, a carcinogenicity study in rats”
Subcutaneous (all studies); intravenous in some repeat-dose studies
“The subcutaneous (SC) route of administration was utilized in all toxicology studies to match the intended clinical administration route, with intravenous dosing included in some repeat-dose studies to obtain higher systemic exposures.”