Was CVS’s Formulary Exclusion of Mavyret a Violation of Antitrust Laws?

Summary In October 2017, CVS Caremark (CVS) finally decided to exclude from its 2018 drug formulary the new-to-market Hepatitis C Virus (HCV) drug Mavyret despite it being list priced aggressively by its manufacturer AbbVie at an estimated 72% below the list price of Gilead Sciences’ incumbent HCV drug Harvoni. We estimate that Gilead Sciences had … Continue reading Was CVS’s Formulary Exclusion of Mavyret a Violation of Antitrust Laws?