Xolair: how long were the pivotal tox studies?

“Juvenile (8- to 10-month old) Cynomolgus monkeys received sc doses of 50 or 250 mg/kg omalizumab weekly for 26 weeks.”

“a 4-week iv/sc study with a 4-week recovery period, dosing three times weekly in the range 0.1-5.0 mg/kg, and a 6- month iv/sc study with an 8-week recovery period, dosing three times weekly in the range 0.1-5.0 mg/kg.”

“Two pivotal repeated-dose toxicity studies were performed in Cynomolgus monkeys: a 4-week iv/sc study with a 4-week recovery period”