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A fit-for-purpose strategy for the risk-based immunogenicity testing of biotherapeutics - a European industry perspective

Klocks, Cathelijne, Berger, Claudia, Cortez, Pierre, Yann, Dean, Heinrich, Julia, Jensen Bjerring, Lisbeth, Koppenburg, Vera, Kostense, Stefan, Kramer, Daniel, Spindeldreher, Sebastian and Kirby, Hishani (2015) A fit-for-purpose strategy for the risk-based immunogenicity testing of biotherapeutics - a European industry perspective. Journal of Immunological Methods.


There is much debate in the pharmaceutical industry on how to translate the current guidelines on immunogenicity testing for biotherapeutics into a testing strategy that suits the specific requirements of individual drug candidates. In this paper, member companies from the European immunogenicity platform (EIP) present a consensus view on the essential requirements for immunogenicity testing of a biotherapeutic throughout the various phases of drug development, to ensure patient safety and to enable successful market entry. Our aim is to open the debate and provoke discussion on this important topic which is unique to biotherapeutic drug development. The scope of this paper is limited to aspects relevant to biotherapeutic drug development and does not include fundamental academic studies of immunogenicity.
Here, we propose two pre-defined testing strategies for the detection and characterization of anti-drug antibody (ADA) responses where the different strategies are based on the phase of development for a biotherapeutic, a. without (category 1) and b. with (category 2) the expected potential to elicit ADA mediated severe clinical consequences. The harm of a potential ADA response determines which of the two testing strategies is adopted. The scientific rationale on which the "case-by-case" approach advocated in white papers and guidance documents may be translated for each individual drug development program is provided and, underpins the recommendations made here.

Item Type: Article
Keywords: Immunogenicity, anti-drug antibodies, neutralization, therapeutic proteins, biologicals, biotherapeutic, risk-based approach, guidelines, ligand binding assay, cell-based assay, efficacy, pharmacokinetics, pharmacodynamics, testing strategy, competitive ligand binding, EIP, European Immunogenicity platform
Date Deposited: 13 Oct 2015 13:13
Last Modified: 13 Oct 2015 13:13


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