Budgets Propose Eliminating Interchangeability Status for Biosimilars

  • Apr 11, 2024

    When then-President Barack Obama signed the Affordable Care Act (ACA) into law on March 23, 2010, he established the 351(k) biosimilar pathway via the Biologics Price Competition and Innovation Act (BPCIA), which amended the Public Health Service (PHS) Act. Since then, the FDA has approved almost 50 biosimilars, with nearly one fifth of those gaining interchangeable status. That distinction, however, has been increasingly under fire, most recently in President Biden’s fiscal year (FY) 2025 budget, which proposes eliminating the interchangeability designation entirely. That could help boost uptake of biosimilars, resulting in prescription drug savings, say some industry experts.

    In contrast to the EU, whose European Medicines Agency (EMA) and the Heads of Medicines Agencies (HMA) clarified in September 2022 that all biosimilars approved in the EU are interchangeable, the FDA has created two levels of biosimilars: biosimilars and interchangeable biosimilars.

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  • Angela Maas

    Angela has an extensive background of editing, reporting and writing for trade and consumer publications. She has written Radar on Specialty Pharmacy since she joined AIS Health in 2005 and has broad knowledge of the various issues at play within the space. She also has written for Spotlight on Market Access since its 2017 launch. Before joining AIS Health, she was managing editor at Employee Benefit News and Employee Benefit News Canada and managing editor at Hem Aware (a hemophilia publication), Lupus Living and Momentum (a multiple sclerosis publication). She has a B.A. in English and an M.A. in British literature from Arizona State University.

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