Arena Pharmaceuticals, Inc. (ARNA) Picks Japan's Eisai Inc. (ESALF.PK) To Market Obesity Drug Lorcaserin In Deal Worth $1.3 Billion Potentially  
7/1/2010 6:24:32 AM

AP -- Arena Pharmaceuticals Inc. said Thursday it has an agreement with Japan's Eisai Inc. in a deal worth potentially more than $1.3 billion to fund commercialization of an obesity drug that could become Arena's first product.