On Tuesday, and over three years after the initial guidance documents were released, the US Food and Drug Administration released final versions of three guidance documents discussing how FDA will evaluate applications for regulatory approval of biosimilar products:
- Scientific Considerations in Demonstrating Biosimilarity to a Reference Product
- Quality Considerations in Demonstrating Biosimilarity of a Therapeutic Protein
- Questions and Answers Regarding Implementation of the Biologics Price Competition and Innovation Act of 2009
Draft versions of the guidance documents were originally released by FDA for public comment in February 2012. In general, the final versions released Tuesday track the draft versions fairly closely, with a few noteworthy differences.
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