Massachusetts court awards injunction preventing Watson from selling Amphastar's generic LOVENOX

Watson Pharmaceuticals, Inc. (NYSE: WPI), today confirmed that the United States District Court for the District of Massachusetts has granted Momenta Pharmaceuticals, Inc. and Sandoz Inc.'s request for a preliminary injunction preventing Watson and Amphastar Pharmaceuticals, Inc. from marketing or selling Amphastar's Enoxaparin Sodium Injection, a generic equivalent to Sanofi-aventis' LOVENOX®.  The Company said that it was reviewing the court's decision and would evaluate all available options, including an appeal.

Enoxaparin is a low molecular weight heparin indicated in the prophylaxis and treatment of deep vein thrombosis and prophylaxis of ischemic complications in unstable angina and non-Q-wave myocardial infarction. 

On September 19, 2011, Amphastar received U.S. Food and Drug Administration ("FDA") approval of its Abbreviated New Drug Application (ANDA) for Enoxaparin Sodium Injection in the 30mg/mL, 40mg/mL, 60mg/mL, 80mg/mL,100mg/mL, 120mg/mL, 150mg/mL and 300mg/mL strengths.  Watson has the exclusive right to distribute Amphastar's Enoxaparin in the U.S. retail pharmacy channel.