Biosimilar Legislation Could Upend Interchangeability Rather Than Prevent Product Hopping

Rep. Kurt Schrader’s bill could allow a first interchangeable product to block all strengths with its one-year exclusivity, rather than just the one developed.

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Proposed legislation would change the interchangeability system for biosimilars of Humira and other biologics going forward. • Source: Alamy

Legislation intended to prevent concentration changes from blocking biosimilar entry has the potential to upend the interchangeability system, which may be why stakeholders argue it needs some tweaks.

The US Food and Drug Administration has interpreted the definition of biosimilarity to mean that the strength or concentration of...

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