In vitro functional characterization of biosimilar therapeutic antibodies

The key factor in successful development and marketing of biosimilar antibodies is a deep understanding of their critical quality attributes and the ability to control them. Comprehensive functional characterization is therefore at the heart of the process and is a crucial part of regulatory require...

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Bibliographic Details
Published inDrug discovery today. Technologies Vol. 37; pp. 41 - 50
Main Authors Láng, Júlia Anna, Balogh, Zsófia Cselovszkiné, Nyitrai, Mónika Fizilné, Juhász, Cintia, Gilicze, Anna Katalin Baráné, Iliás, Attila, Zólyomi, Zsolt, Bodor, Csaba, Rábai, Erzsébet
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 01.12.2020
Subjects
Analytical comparability
Binding assay
Bioassay
Biological potency
Biosimilar Pharmaceuticals
Effector function
CDC
Binding assay
ADCP
SPR
ka
EMA
FcRn
KD
FRET
ADCC
Fc
Effector function
MOA
C1q
Bioassay
Biological potency
CH
Fab
Analytical comparability
CELISA
CL
kdis
VH
VL
FcγR
BLI
ELISA
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Summary:The key factor in successful development and marketing of biosimilar antibodies is a deep understanding of their critical quality attributes and the ability to control them. Comprehensive functional characterization is therefore at the heart of the process and is a crucial part of regulatory requirements. Establishment of a scientifically sound molecule-specific functional in vitro assay panel requires diligent planning and high flexibility in order to respond to both regulatory requirements and the ever-changing demands relevant to the different stages of the development and production process. Relevance of the chosen assays to the in vivo mechanism of action is of key importance to the stepwise evidence-based demonstration of biosimilarity. Use of a sound interdisciplinary approach and orthogonal state-of-the-art techniques is also unavoidable for gaining in-depth understanding of the biosimilar candidate. The aim of the present review is to give a snapshot on the methodic landscape as depicted by the available literature discussing the in vitro techniques used for the functional characterization of approved biosimilar therapeutic antibodies. Emerging hot topics of the field and relevant structure-function relationships are also highlighted.
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ISSN:1740-6749
1740-6749
DOI:10.1016/j.ddtec.2020.11.010