The huge increase in the price of a lifesaving lead poisoning treatment has prompted a Michigan lawmaker to call for a congressional investigation into Valeant Pharmaceuticals.
Two years ago, the drug maker boosted the list price for Calcium EDTA by roughly 2,700 percent. After Valeant bought the drug in 2013 as part of a deal in which it took over another company, the list price for a package of vials started rising quickly.
