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  • Title: Scientific rationale for extrapolation of biosimilar data across cancer indications: case study of CT-P10.
    Author: Ogura M, Coiffier B, Kwon HC, Yoon SW.
    Journal: Future Oncol; 2017 May; 13(15s):45-53. PubMed ID: 28482699.
    Abstract:
    For a biosimilar to gain regulatory approval, a comprehensive comparability exercise must demonstrate that it is highly similar to its originator biologic, or reference product. Once biosimilarity has been shown, it is possible to approve the biosimilar for additional indications held by the reference product, without clinical trials in these indications. Extrapolation of clinical data is permitted by regulatory agencies as long as it is scientifically justified. CT-P10, a biosimilar of rituximab, was recently approved in Europe for all indications held by its reference product, incorporating both autoimmune diseases and hematological cancers. Here, we review the scientific rationale for extrapolation in biosimilar development using the example of CT-P10 as a case study.
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