LEXINGTON, Mass.--(BUSINESS WIRE)--AMAG Pharmaceuticals, Inc. (NASDAQ: AMAG) today announced that the European Commission has granted marketing authorization for ferumoxytol, an intravenous (IV) iron therapy to treat iron deficiency anemia (IDA) in adult patients with chronic kidney disease (CKD). The marketing authorization follows a positive opinion, issued on April 19, 2012, by the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency. Ferumoxytol was approved for the same indication in the US under the brand name Feraheme® in June 2009.