Accrufer: how long were the pivotal tox studies?

“Twenty-eight-day repeat dose oral administration toxicity studies were conducted in dogs with initial ferric maltol doses of 0, 250, 500, and 1000 mg/kg.”

“Study title/ number: Iron Maltol: 28 Day Oral (Gavage/Capsule) Sub-Chronic Toxicity Study in the Beagle/6148-148/40”

“Route of administration: Oral gavage on days 1 through 5 then oral capsule from day 6 onward.”