LEXINGTON, Mass., Aug. 7, 2013 (GLOBE NEWSWIRE) -- AMAG Pharmaceuticals, Inc. (Nasdaq:AMAG) today announced that the United States Patent and Trademark Office (USPTO) has issued a new U.S. patent to AMAG for ferumoxytol, U.S. Patent No. 8,501,158, Polyol and Polyether Iron Oxide Complexes as Pharmacological and/or MRI Contrast Agents, expiring in 2020. This Orange Book listed patent covers the use of 500 mg -600 mg of ferumoxytol for the treatment of patients with iron deficiency anemia. "We believe that this issued patent complements and expands our intellectual property protection for ferumoxytol, providing further specific claims related to approved dosing and formulation," commented Frank Thomas, chief operating officer of AMAG. AMAG now has four Orange Book listed patents for ferumoxytol, with patent protection through 2020, without patent term extension. AMAG has applied for a patent term extension for an Orange Book listed ferumoxytol patent, which would lengthen that patent term through June 2023. About AMAG AMAG Pharmaceuticals, Inc. is a specialty pharmaceutical company that markets Feraheme® (ferumoxytol) Injection and MuGard™ Mucoadhesive Oral Wound Rinse in the United States. Along with driving organic growth of its products, AMAG is working to expand its portfolio with additional commercial-stage specialty products. The company is seeking complementary products that leverage the company's commercial footprint and focus on hematology and oncology centers and hospital infusion centers. For additional company information, please visit www.amagpharma.com . Forward-looking Statements This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other federal securities laws. Any statements contained herein which do not describe historical facts, including but not limited to statements regarding: the approval of the supplemental new drug application Feraheme for a broader patient population; the intended expansion and focus of AMAG's product portfolio; the company's intent to drive organic growth of Feraheme; the company's plans to seek complementary commercial products to add to its portfolio; and the term of and the company's expected timing on approval of certain patent term extensions are forward-looking statements which involve risks and uncertainties that could cause actual results to differ materially from those discussed in such forward-looking statements.