期刊
EXPERT OPINION ON BIOLOGICAL THERAPY
卷 18, 期 4, 页码 369-379出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14712598.2018.1421169
关键词
Biopharmaceutical; biosimilar; consistency; drift; equivalence; manufacturing
Introduction: Biopharmaceuticals are large protein based drugs which are heterogeneous by nature due to post translational modifications resulting from cellular production, processing and storage. Changes in the abundance of different variants over time are inherent to biopharmaceuticals due to their sensitivity to subtle process differences and the necessity for regular manufacturing changes. Product variability must thus be carefully controlled to ensure that it does not result in changes in safety or efficacy.Areas covered: The focus of this manuscript is to provide improved understanding of the science and strategies used to maintain the quality and clinical performance of biopharmaceuticals, including biosimilars, throughout their lifecycle. This review summarizes rare historical instances where clinically relevant changes have occurred, defined here as clinical drift, and discusses modern tools used to prevent such changes, including improved analytics, quality systems and regulatory frameworks.Expert opinion: Despite their size complexity and heterogeneity, modern analytics, manufacturing quality systems and comparability requirements for the evaluation of manufacturing changes cumulatively help to ensure the consistent quality and clinical performance of biopharmaceuticals throughout their product lifecycle. Physicians and patients can expect the same safety and efficacy from biopharmaceuticals and their respective biosimilars irrespective of batch or production history.
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