FOCUS-Amgen's new migraine drug hits insurance hurdles By: Reuters: Company News July 26, 2018 at 01:00 AM EDT Amgen Inc's push to get patients on its new $575 a month migraine drug before competition emerges in September is facing barriers from insurers. Read More >> Related Stocks: Aetna Alder Biopharma Allergan Plc Amgen Anthem Inc Cigna Corp Eli Lilly Merck & Co Novan Inc Pfizer Teva Pharmaceutical Industries ADR UnitedHealth Group