SFDA released its updated guideline outlining Regulatory and scientific requirements for biosimilar approval. The document (originally dated 26-Oct-2025) is open for public comment until 09-Jan-2026 and details expectations for demonstrating biosimilarity to a Reference Product (RP).

Key highlights:

  • Criteria for Reference Product (RP) selection
  • Requirements for comparability exercises across quality, safety, efficacy, and immunogenicity
  • Comparative Quality Exercise (CQE) using validated analytical methods
  • Conditions when non-clinical or Comparative Efficacy Studies (CES) may be waived
  • Rules for indication extrapolation with scientific justification

This update strengthens Saudi Arabia’s biosimilar evaluation and approval framework.
 

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