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Review
. 2020 Jun 15;4(6):547-555.
doi: 10.1017/cts.2020.493.

Regulatory and strategic considerations for addressing immunogenicity and related responses in biopharmaceutical development programs

Tyler C Vandivort  1 , David B Horton  1 , Steven B Johnson  2
Affiliations
Review

Regulatory and strategic considerations for addressing immunogenicity and related responses in biopharmaceutical development programs

Tyler C Vandivort et al. J Clin Transl Sci. .

Abstract

The last three decades have seen the biotherapeutic drug market evolve from promising concept to market dominance in a range of clinical indications. This growth has been spurred by the success of established drug classes like monoclonal antibodies, but also by the introduction of biosimilars, and more recently, multiple novel cell and gene therapies. Biotherapeutic drug development presents many unique challenges, but unintended immune responses are among the most common reasons for program attrition. Anti-drug antibodies can impact the safety and efficacy of drug products, and related immune responses, like the cytokine release syndrome that occurred in the infamous TGN-1412 clinical trial, can be challenging to predict with nonclinical models. For this reason, it is important that development programs proceed with a scientifically grounded and measured approach to these responses. This process begins at the discovery stage with the application of "quality by design," continues into the clinic with the development of quality assays and management strategies, and culminates in the effective presentation of this information in regulatory documents. This review provides an overview of some of the key strategic and regulatory considerations for biotherapeutics as they pertain to immunogenicity and related responses.

Keywords: Regulatory science; anti-drug antibodies; biotherapeutics; drug development; immunogenicity.

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Figures

Fig. 1.
Fig. 1.
Factors that influence immune responses.
See this image and copyright information in PMC

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