Pfizer Inc. is buying Arena Pharmaceuticals, Inc. in a $6.7bn deal that will expand the company's inflammation & immunology pipeline with a new late-stage asset and which could foreshadow more M&A to come for the cash-rich big pharma. For Arena, the deal is the culmination of a five-year turnaround effort, rebuilding after the failed commercial effort with the obesity drug Belviq (lorcaserin).
Pfizer and Arena announced the acquisition on 13 December, with Pfizer agreeing to pay $100 per share in cash for...








