Supreme Court Decision Caps Big Week in Litigation for Pharmacy Benefit Managers

The U.S. Supreme Court handed down a decision on Thursday of last week that will impact state-level regulation of pharmacy benefit managers (PBMs) by holding that an Arkansas law regulating PBMs was not preempted by the Employee Retirement Income Security Act (ERISA). The decision capped off a busy week in litigation for PBMs as on Monday the Second Circuit held that a business transaction between a PBM and an insurer was not a fiduciary act under ERISA. Although the cases involve distinct issues, they provide some clarity for PBMs on the interplay between business decisions and litigation risks, and some expectation for future regulation at the state-level.

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