Dupixent: how long were the pivotal tox studies?

“Repeated dose studies of up to 26 weeks duration were conducted with REGN646 in cynomolgus monkeys.”

“The three pivotal repeat dose toxicity studies, including a 5-week intravenous infusion (IV), a 13-week subcutaneous (SC) and a 6-month IV and SC studies, were conducted with REGN646”

“once weekly IV or SC treatment with REGN646 at doses up to 100 mg/kg was well tolerated”