Exclusive: Express Scripts covers Amgen, Lilly migraine therapies, excludes Teva drug

Express Scripts Holding Co , one of the largest U.S. prescription benefits managers, will cover new migraine drugs from Eli Lilly and Amgen Inc , but is excluding a rival medication made by Teva Pharmaceutical Industries Ltd after price negotiations with all three manufacturers. The decision represents a setback for Teva, which is in the midst of a corporate restructuring and had hoped to capture a sizable stake