MENLO PARK, Calif.--(BUSINESS WIRE)--Depomed, Inc. (NASDAQ:DEPO) announced today that it has entered into a contract with CVS Caremark, the nation’s largest pharmacy benefits management (PBM) company, which will have Glumetza (extended release metformin hydrochloride tablets) available to its members as a Tier 2, Brand Preferred Metformin for the treatment of diabetes.