Scientific Considerations in Demonstrating Biosimilarity to a Reference Product: Updated Recommendations for Assessing the Need for Comparative Efficacy Studies; Draft Guidance for Industry; Availability

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The Food and Drug Administration (FDA, Agency, or we) is announcing the availability of a draft guidance for industry entitled "Scientific Considerations in Demonstrating Biosimilarity to a Reference Product: Updated Recommendations for Assessing the Need for Comparative Efficacy Studies." This draft guidance describes considerations regarding a comparative clinical study or studies with efficacy endpoints (a comparative efficacy study or CES) intended to support a demonstration that a proposed therapeutic protein product is biosimilar to a reference product for the purpose of submitting a marketing application under the Public Health Service Act (PHS Act).