In the largest drug merger in history, Pfizer (PFE) and Allergan (AGN) announced a $160-billion deal between the companies. The smaller Allergan will become the parent company, retaining Allergan’s legal and tax residency in Ireland. The deal will enable the U.S. company to move overseas taking advantage of a lower corporate tax rate. The takeover would be the largest so-called inversion ever.
But despite the controversial inversion method, some exciting new drugs are in the pipeline. Here are the top 10 merged drugs: