1
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Hipper E, Diederichs T, Kaiser W, Lehmann F, Buske J, Hinderberger D, Garidel P. Visible light triggers the formation of reactive oxygen species in monoclonal antibody formulations. Int J Pharm 2024; 661:124392. [PMID: 38942184 DOI: 10.1016/j.ijpharm.2024.124392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 06/30/2024]
Abstract
Most monoclonal antibody formulations require the presence of a surfactant, such as polysorbate, to ensure protein stability. The presence of high concentrations of polysorbate have been shown to enhance photooxidation of certain protein drug products when exposed to visible light. The current literature, however, suggest that photooxidation of polysorbate only occurs when exposed to visible light in combination with UVA light. This is probable as peroxides present in polysorbate solutions can be cleaved homolytically in the UVA region. In the visible region, photooxidation is not expected to occur as cleavage of peroxides is not expected at these wavelengths. This report presents findings suggesting that the presence of one or more photosensitiser(s) in polysorbate must be a cause and is required to catalyse the aerobic oxidation of polysorbate solutions upon exposure to visible light. Our investigation aimed to clarify the mechanism(s) of polysorbate photooxidation and explore the kinetics and the identity of the generated radicals and their impact on monoclonal antibody (mAb) degradation. Our study reveals that when polysorbate solutions are exposed to visible light between 400 - 800 nm in the absence of proteins, discolouration, radical formation, and oxygen depletion occur. We discuss the initial formation of reactive species, most likely occurring directly after reaction of molecular oxygen, with the presence of a triplet state photosensitiser, which is generated by intersystem crossing of the excited singlet state. When comparing the photooxidation of PS20 and PS80 in varying quality grades, we propose that singlet oxygen possesses potential for reacting with unsaturated fatty acids in PS80HP, however, PS20HP itself exhibited no measurable oxidation under the tested conditions. The study's final part delves into the photooxidation behaviour of different PS grades, examining its influence on the integrity of a mAb in the formulation. Finally, we examined the effect of photooxidation on the integrity of monoclonal antibodies. Our findings show that the exposure to visible light in polysorbate-containing mAb solutions at high PS concentrations of 4 mg·ml-1 results in increased monoclonal antibody degradation, highlighting the need for cautious evaluation of the correct PS concentration to stabilise protein therapeutics.
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Affiliation(s)
- Elena Hipper
- Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Von-Danckelmann-Platz 4, 06120 Halle, Germany; Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, Birkendorfer Straße 65, 88397 Biberach an der Riss, Germany
| | - Tim Diederichs
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, Birkendorfer Straße 65, 88397 Biberach an der Riss, Germany
| | - Wolfgang Kaiser
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, Birkendorfer Straße 65, 88397 Biberach an der Riss, Germany
| | - Florian Lehmann
- Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Von-Danckelmann-Platz 4, 06120 Halle, Germany
| | - Julia Buske
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, Birkendorfer Straße 65, 88397 Biberach an der Riss, Germany
| | - Dariush Hinderberger
- Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Von-Danckelmann-Platz 4, 06120 Halle, Germany
| | - Patrick Garidel
- Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Von-Danckelmann-Platz 4, 06120 Halle, Germany; Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, Birkendorfer Straße 65, 88397 Biberach an der Riss, Germany.
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2
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Tang L, Geng H, Zhang L, Wang X, Fei M, Yang B, Sun H, Zhang Z. In-Depth Characterization for Methionine Oxidization in Complementary Domain Region by Hydrophobic Interaction Chromatography. ACS Pharmacol Transl Sci 2024; 7:2476-2483. [PMID: 39144558 PMCID: PMC11320724 DOI: 10.1021/acsptsci.4c00296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 06/29/2024] [Accepted: 07/05/2024] [Indexed: 08/16/2024]
Abstract
The oxidation of the complementarity-determining region (CDR) in monoclonal antibodies (mAbs) is a critical quality attribute that can affect the clinical efficacy and safety of recombinant mAb therapeutics. In this study, a robust hydrophobic interaction chromatography (HIC) method was developed to quantify and characterize CDR oxidation variants in mAb-A by using a Proteomix Butyl-NP5 column. The HIC analysis revealed oxidation variants that eluted earlier than the main species with weaker hydrophobicity. It was found that Met105 in the CDR was more susceptible to oxidation. Additionally, it was noted that the oxidation of Met105 on a single heavy chain resulted in elution at a distinct position compared to the oxidation on two heavy chains. This observation led to the fractionation and enrichment of the oxidized variants for further evaluation of their biofunction. The study also demonstrated that the oxidation of Met105 did not impact the antigen-binding capacity but significantly reduced the PD-1/PD-L1 blockade activity of mAb-A. The HIC method, which was employed to quantify CDR oxidation, underwent validation and was subsequently utilized for stability studies as well as for assessing the similarity between mAb-A and its reference product.
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Affiliation(s)
| | | | - Lei Zhang
- Analytical Science Development, Henlius Biologics Co., Ltd, Shanghai 201616, China
| | - Xinyi Wang
- Analytical Science Development, Henlius Biologics Co., Ltd, Shanghai 201616, China
| | - Mengdan Fei
- Analytical Science Development, Henlius Biologics Co., Ltd, Shanghai 201616, China
| | - Boyuan Yang
- Analytical Science Development, Henlius Biologics Co., Ltd, Shanghai 201616, China
| | - Haijie Sun
- Analytical Science Development, Henlius Biologics Co., Ltd, Shanghai 201616, China
| | - Zhongli Zhang
- Analytical Science Development, Henlius Biologics Co., Ltd, Shanghai 201616, China
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3
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Sankaran PK, Poskute R, Dewis L, Watanabe Y, Wong V, Fernandez LP, Shannon R, Wong L, Shrubsall R, Carman L, Holt A, Lepore G, Mishra R, Sewell L, Gothard M, Cheeks M, Lindo V. Comprehensive Stress Stability Studies Reveal the Prominent Stability of the Liquid-Formulated Biotherapeutic Asymmetric Monovalent Bispecific IgG1 Monoclonal Antibody Format. J Pharm Sci 2024; 113:2101-2113. [PMID: 38705464 DOI: 10.1016/j.xphs.2024.04.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/26/2024] [Accepted: 04/28/2024] [Indexed: 05/07/2024]
Abstract
The developed asymmetric monovalent bispecific IgG1 or Duet monoclonal antibody (Duet mAb) has two distinct fragment antigen-binding region (Fab) subunits that target two different epitope specificities sequentially or simultaneously. The design features include unique engineered disulfide bridges, knob-into-hole mutations, and kappa and lambda chains to produce Duet mAbs. These make it structurally and functionally complex, so one expects challenging developability linked to instability, degradation of products and pathways, and limited reports available. Here, we have treated the product with different sources of extreme stress over a lengthy period, including varying heat, pH, photo stress, chemical oxidative stress, accelerated stress in physiological conditions, and forced glycation conditions. The effects of different stress conditions on the product were assessed using various analytical characterization tools to measure product-related substances, post-translational modifications (PTMs), structural integrity, higher-order disulfide linkages, and biological activity. The results revealed degradation products and pathways of Duet mAb. A moderate increase in size, charge, and hydrophobic variants, PTMs, including deamidation, oxidation, isomerization, and glycation were observed, with most conditions exhibiting biological activity. In addition, the characterization of fractionated charge variants, including deamidated species, showed satisfactory biological activity. This study demonstrated the prominent stability of the Duet mAb format comparable to most marketed mAbs.
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Affiliation(s)
| | - Ryte Poskute
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Lydia Dewis
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Yasunori Watanabe
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Vanessa Wong
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | | | - Richard Shannon
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Lisa Wong
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Rebecca Shrubsall
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Lee Carman
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Alexander Holt
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Giordana Lepore
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Rahul Mishra
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Laura Sewell
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Matt Gothard
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Matthew Cheeks
- Cell Culture & Fermentation Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK
| | - Viv Lindo
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, UK.
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4
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Verscheure L, Detremmerie S, Stals H, De Vos J, Sandra P, Lynen F, Borgions F, Sandra K. Multidimensional LC-MS with 1D multi-method option and parallel middle-up and bottom-up MS acquisition for in-depth characterization of antibodies. J Chromatogr A 2024; 1726:464947. [PMID: 38724406 DOI: 10.1016/j.chroma.2024.464947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/22/2024] [Accepted: 04/25/2024] [Indexed: 05/23/2024]
Abstract
Monoclonal antibodies (mAbs) are large and highly heterogeneous species typically characterized using a plethora of analytical methodologies. There is a trend within the biopharmaceutical industry to combine several of these methods in one analytical platform to simultaneously assess multiple structural attributes. Here, a protein analyzer for the fully automated middle-up and bottom-up liquid chromatography-mass spectrometry (LC-MS) analysis of charge, size and hydrophobic variants is described. The multidimensional set-up combines a multi-method option in the first dimension (1D) (choice between size exclusion - SEC, cation exchange - CEX or hydrophobic interaction chromatography - HIC) with second dimension (2D) on-column reversed-phase (RPLC) based desalting, denaturation and reduction prior to middle-up LC-MS analysis of collected 1D peaks and parallel on-column trypsin digestion of denatured and reduced peaks in the third dimension (3D) followed by bottom-up LC-MS analysis in the fourth dimension (4D). The versatile and comprehensive workflow is applied to the characterization of charge, hydrophobic and size heterogeneities associated with an engineered Fc fragment and is complemented with hydrogen-deuterium exchange (HDX) MS and FcRn affinity chromatography - native MS to explain observations in a structural/functional context.
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Affiliation(s)
- Liesa Verscheure
- RIC group, President Kennedypark 6, 8500 Kortrijk, Belgium; Separation Science Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281-S4, 9000 Ghent, Belgium
| | | | - Hilde Stals
- Argenx, Industriepark Zwijnaarde 7, 9052 Ghent, Belgium
| | - Jelle De Vos
- RIC group, President Kennedypark 6, 8500 Kortrijk, Belgium
| | - Pat Sandra
- RIC group, President Kennedypark 6, 8500 Kortrijk, Belgium; Separation Science Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281-S4, 9000 Ghent, Belgium
| | - Frederic Lynen
- Separation Science Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281-S4, 9000 Ghent, Belgium
| | | | - Koen Sandra
- RIC group, President Kennedypark 6, 8500 Kortrijk, Belgium; Separation Science Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281-S4, 9000 Ghent, Belgium.
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5
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Jogdeo CM, Bhattacharya DS, Lin V, Kolhe P, Badkar A. Assessing Physicochemical Stability of Monoclonal Antibodies in a Simulated Subcutaneous Environment. J Pharm Sci 2024; 113:1854-1864. [PMID: 38341129 DOI: 10.1016/j.xphs.2024.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 02/05/2024] [Accepted: 02/05/2024] [Indexed: 02/12/2024]
Abstract
Monoclonal antibodies (mAbs) are being increasingly administered by the subcutaneous (SC) route compared to the traditional intravenous route. Despite the growing popularity of the subcutaneous route, our current knowledge regarding the intricate mechanistic changes happening in the formulation after injection in the subcutaneous space, as well as the in vivo stability of administered mAbs, remains quite limited. Changes in the protein environment as it transitions from a stabilized, formulated drug product in an appropriate container closure to the SC tissue environment can drastically impact the structural stability and integrity of the injected protein. Interactions of the protein with components of the extracellular matrix can lead to changes in its structure, potentially impacting both safety and efficacy. Investigating protein stability in the SC space can enable early assessment of risk and performance of subcutaneously administered proteins influencing clinical decisions and formulation development strategies. The Subcutaneous Injection Site Simulator (SCISSOR) is a novel in vitro system that mimics the subcutaneous injection site and models the events that a protein goes through as it transitions from a stabilized formulation environment to the dynamic physiological space. In this paper, we utilize the SCISSOR to probe for biophysical and chemical changes in seven mAbs post SC injection using a variety of analytical techniques. After 24 h, all mAbs demonstrated a relative decrease in conformational stability, an increase in fragmentation, and elevated acidic species. Higher order structure analysis revealed a deviation in the secondary structure from the standard and an increase in the number of unordered species. Our findings suggest an overall reduced stability of mAbs after subcutaneous administration. This reduced stability could have a potential impact on safety and efficacy. In vitro systems such as the SCISSOR combined with downstream analyses have potential to provide valuable information for assessing the suitability of lead molecules and aid in formulation design optimized for administration in the intended body compartment, thus improving chances of clinical success.
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Affiliation(s)
- Chinmay M Jogdeo
- Pharmaceutical Research and Development, Drug Product Design and Development Biotherapeutics Pharmaceutical Sciences, USA
| | - Deep S Bhattacharya
- Pharmaceutical Research and Development, Drug Product Design and Development Biotherapeutics Pharmaceutical Sciences, USA.
| | - Vicky Lin
- Analytical Research and Development, Biotherapeutics Pharmaceutical Sciences, Pfizer Inc., Andover, MA 01810, USA
| | - Parag Kolhe
- Pharmaceutical Research and Development, Drug Product Design and Development Biotherapeutics Pharmaceutical Sciences, USA
| | - Advait Badkar
- Pharmaceutical Research and Development, Drug Product Design and Development Biotherapeutics Pharmaceutical Sciences, USA
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6
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Gupta S, Schöneich C, Rathore AS. Assessment of change in the basic variants composition of trastuzumab during dilution in saline for administration. Eur J Pharm Biopharm 2024; 199:114295. [PMID: 38636881 DOI: 10.1016/j.ejpb.2024.114295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 04/01/2024] [Accepted: 04/15/2024] [Indexed: 04/20/2024]
Abstract
Postproduction handling of drug products during preparation or clinical use may affect the structure and efficacy of the drug and perhaps remain unnoticed. Since chemical modifications can impact the product's structure, stability, and biological activity, this study investigates the impact of elevated temperature and subtle shift in pH on the drug product post-dilution in saline. The mAb sample diluted in saline for administration was stressed at elevated temperature and slightly acidic pH condition. Extended stability studies were performed and monitored for size and charge heterogeneity. Size heterogeneity shows no significant changes, whereas charge heterogeneity shows an increase in basic variants and a reduction in main species. Further, basic variants were isolated and characterized to identify the type and site of chemical modification. Intact mass analysis and peptide mapping identify that the basic variants were attributed mainly to the isomerization of HC Asp102 into iso-Asp or its succinimide intermediate. Four basic variants were found to exhibit similar structural properties as the main and control samples. However, basic variants showed reduced binding affinity to HER2 receptor, while there was no significant difference in FcRn binding. The results indicate that modification in the HC Asp102, which is present in the CDR, affects antigen binding and thus can influence the potency of the drug product. Hence, with the conventional stability studies required to license the drug product, including in-use or extended stability studies to mimic the postproduction handling would be desirable.
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Affiliation(s)
- Surbhi Gupta
- Department of Chemical Engineering, Indian Institute of Technology Delhi,New Delhi 110016, India
| | | | - Anurag S Rathore
- Department of Chemical Engineering, Indian Institute of Technology Delhi,New Delhi 110016, India.
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7
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Li M, Beaumont VA, Akbar S, Duncan H, Creasy A, Wang W, Sackett K, Marzilli L, Rouse JC, Kim HY. Comprehensive characterization of higher order structure changes in methionine oxidized monoclonal antibodies via NMR chemometric analysis and biophysical approaches. MAbs 2024; 16:2292688. [PMID: 38117548 PMCID: PMC10761137 DOI: 10.1080/19420862.2023.2292688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 12/05/2023] [Indexed: 12/21/2023] Open
Abstract
The higher order structure (HOS) of monoclonal antibodies (mAbs) is an important quality attribute with strong contribution to clinically relevant biological functions and drug safety. Due to the multi-faceted nature of HOS, the synergy of multiple complementary analytical approaches can substantially improve the understanding, accuracy, and resolution of HOS characterization. In this study, we applied one- and two-dimensional (1D and 2D) nuclear magnetic resonance (NMR) spectroscopy coupled with chemometric analysis, as well as circular dichroism (CD), differential scanning calorimetry (DSC), and fluorescence spectroscopy as orthogonal methods, to characterize the impact of methionine (Met) oxidation on the HOS of an IgG1 mAb. We used a forced degradation method involving concentration-dependent oxidation by peracetic acid, in which Met oxidation is site-specifically quantified by liquid chromatography-mass spectrometry. Conventional biophysical techniques report nuanced results, in which CD detects no change to the secondary structure and little change in the tertiary structure. Yet, DSC measurements show the destabilization of Fab and Fc domains due to Met oxidation. More importantly, our study demonstrates that 1D and 2D NMR and chemometric analysis can provide semi-quantitative analysis of chemical modifications and resolve localized conformational changes with high sensitivity. Furthermore, we leveraged a novel 15N-Met labeling technique of the antibody to directly observe structural perturbations at the oxidation sites. The NMR methods described here to probe HOS changes are highly reliable and practical in biopharmaceutical characterization.
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Affiliation(s)
- Mingyue Li
- Pfizer, Inc. BioTherapeutics Pharmaceutical Sciences, Analytical Research and Development, Andover, MA, USA
| | - Victor A. Beaumont
- Pfizer, Inc. Pharmaceutical Sciences Small Molecules, Analytical Research and Development, Sandwich, United Kingdom
| | - Shahajahan Akbar
- Pfizer, Inc. BioTherapeutics Pharmaceutical Sciences, Analytical Research and Development, Andover, MA, USA
| | - Hannah Duncan
- Pfizer, Inc. BioTherapeutics Pharmaceutical Sciences, Analytical Research and Development, Andover, MA, USA
| | - Arch Creasy
- Pfizer, Inc. BioTherapeutics Pharmaceutical Sciences, Bioprocess Research and Development, Andover, MA, USA
| | - Wenge Wang
- Pfizer, Inc. BioTherapeutics Pharmaceutical Sciences, Bioprocess Research and Development, Andover, MA, USA
| | - Kelly Sackett
- Pfizer, Inc. BioTherapeutics Pharmaceutical Sciences, Analytical Research and Development, Andover, MA, USA
| | - Lisa Marzilli
- Pfizer, Inc. BioTherapeutics Pharmaceutical Sciences, Analytical Research and Development, Andover, MA, USA
| | - Jason C. Rouse
- Pfizer, Inc. BioTherapeutics Pharmaceutical Sciences, Analytical Research and Development, Andover, MA, USA
| | - Hai-Young Kim
- Pfizer, Inc. BioTherapeutics Pharmaceutical Sciences, Analytical Research and Development, Andover, MA, USA
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8
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Amash A, Volkers G, Farber P, Griffin D, Davison KS, Goodman A, Tonikian R, Yamniuk A, Barnhart B, Jacobs T. Developability considerations for bispecific and multispecific antibodies. MAbs 2024; 16:2394229. [PMID: 39189686 DOI: 10.1080/19420862.2024.2394229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 08/08/2024] [Accepted: 08/15/2024] [Indexed: 08/28/2024] Open
Abstract
Bispecific antibodies (bsAb) and multispecific antibodies (msAb) encompass a diverse variety of formats that can concurrently bind multiple epitopes, unlocking mechanisms to address previously difficult-to-treat or incurable diseases. Early assessment of candidate developability enables demotion of antibodies with low potential and promotion of the most promising candidates for further development. Protein-based therapies have a stringent set of developability requirements in order to be competitive (e.g. high-concentration formulation, and long half-life) and their assessment requires a robust toolkit of methods, few of which are validated for interrogating bsAbs/msAbs. Important considerations when assessing the developability of bsAbs/msAbs include their molecular format, likelihood for immunogenicity, specificity, stability, and potential for high-volume production. Here, we summarize the critical aspects of developability assessment, and provide guidance on how to develop a comprehensive plan tailored to a given bsAb/msAb.
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Affiliation(s)
- Alaa Amash
- AbCellera Biologics Inc, Vancouver, BC, Canada
| | | | | | | | | | | | | | | | | | - Tim Jacobs
- AbCellera Biologics Inc, Vancouver, BC, Canada
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9
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Gervais A, Dirksen EHC, Pohl T, Bechtold-Peters K, Burkitt W, D'Alessio V, Greven S, Lennard A, Li X, Lössner C, Niu B, Reusch D, O'Riordan T, Shearer JW, Spencer D, Xu W, Yi L. Compliance and regulatory considerations for the implementation of the multi-attribute-method by mass spectrometry in a quality control laboratory. Eur J Pharm Biopharm 2023; 191:57-67. [PMID: 37582411 DOI: 10.1016/j.ejpb.2023.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/04/2023] [Accepted: 08/12/2023] [Indexed: 08/17/2023]
Abstract
Multi-attribute methods employing mass spectrometry are applied throughout the biopharmaceutical industry for product and process characterization purposes but are not yet widely accepted as a method for batch release and stability testing under the good manufacturing practice (GMP) regime, due to limited experience and level of comfort with the technical, compliance and regulatory aspects of its implementation at quality control (QC) laboratories. This article is the second part of a two-tiered publication aiming at providing guidance for implementation of the multi-attribute method by peptide mapping liquid chromatography mass spectrometry (MAM) in a QC laboratory. The first part [1] focuses on technical considerations, while this second part provides considerations related to GMP compliance and regulatory aspects. This publication has been prepared by a group of industry experts representing 14 globally acting major biotechnology companies under the umbrella of the European Federation of Pharmaceutical Industries and Associations (EFPIA) Manufacturing & Quality Expert Group (MQEG).
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Affiliation(s)
- Annick Gervais
- Analytical Development Sciences for Biologicals, UCB, Chemin du Foriest, 1420 Braine L'Alleud, Belgium.
| | - Eef H C Dirksen
- Analytical Development and Quality Control, Byondis, Microweg 22, 6545 CM, Nijmegen, the Netherlands
| | - Thomas Pohl
- Biologics Analytical Development, Novartis Pharma AG, Klybeckstrasse 141, CH-4057 Basel, Switzerland
| | - Karoline Bechtold-Peters
- Biologics Drug Product Development, Novartis Pharma AG, Klybeckstrasse 141, CH-4057 Basel, Switzerland
| | - Will Burkitt
- Biological Characterisation Product Development Sciences, UCB, 216 Bath Road, Slough SL1 3WE, UK
| | - Valerio D'Alessio
- Analytical Development & Innovation NBE, Merck Serono S.p.A, Via Luigi Einaudi, 11, 00012 Guidonia Montecelio - Rome, Italy
| | - Simone Greven
- Pharmaceuticals, Biological Development, Bayer AG, Friedrich-Ebert-Strasse 217-333, 42117 Wuppertal, Germany
| | - Andrew Lennard
- Amgen Ltd, 4 Uxbridge Business Park, Sanderson Road, Uxbridge, UB8 1DH, UK
| | - Xue Li
- Biologics Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, NJ 08901, USA
| | - Christopher Lössner
- Analytical Dev. Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Straße 65, 88397 Biberach an der Riß, Germany
| | - Ben Niu
- Biotherapeutics, Bristol Myers Squibb, 4224 Campus Point Court, San Diego, CA 92121, USA
| | - Dietmar Reusch
- Pharma Technical Development, Roche Diagnostics GmbH, Nonnenwald 2, 82377 Penzberg, Germany
| | - Tomás O'Riordan
- Eli Lilly Kinsale Limited, Dunderrow, Kinsale, Co. Cork, P17NY71, Ireland
| | - Justin W Shearer
- Analytical Development, GSK, 709 Swedeland Road, King of Prussia, PA 19406, USA
| | - David Spencer
- BioPharmaceutical Development, Ipsen Biopharm Limited, 9 Ash Road, Wrexham Industrial Estate, Wrexham LL13 9UF, UK
| | - Wei Xu
- Analytical Sciences, BioPharmaceuticals R&D, AstraZeneca, One Medimmune Way, Gaithersburg, MD 20878, USA
| | - Linda Yi
- Analytical Development, Biogen, 5000 Davis Drive, Research Triangle Park, NC 27709, USA
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10
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Pohl T, Gervais A, Dirksen E, D'Alessio V, Bechtold-Peters K, Burkitt W, Cao L, Greven S, Lennard A, Li X, Lössner C, Niu B, Reusch D, O'Riordan T, Shearer J, Spencer D, Xu W, Yi L. Technical considerations for the implementation of the Multi-Attribute-Method by mass spectrometry in a Quality Control laboratory. Eur J Pharm Biopharm 2023:S0939-6411(23)00112-1. [PMID: 37146738 DOI: 10.1016/j.ejpb.2023.04.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 05/07/2023]
Abstract
Multi-attribute methods employing mass spectrometry are applied throughout the biopharmaceutical industry for product and process characterization purposes but are not yet widely accepted as a method for batch release and stability testing under good manufacturing practice (GMP) due to limited experience and level of comfort with the technical, compliance and regulatory aspects of its implementation at quality control (QC) laboratories. Here, current literature related to the development and application of the multi-attribute method by peptide mapping liquid chromatography mass spectrometry (MAM) is compiled with the aim of providing guidance for the implementation of MAM in a QC laboratory. This article, focusing on technical considerations, is the first part of a two-tiered publication, whereby the second part will focus on GMP compliance and regulatory aspects. This publication has been prepared by a group of industry experts representing 14 globally acting major biotechnology companies under the umbrella of the European Federation of Pharmaceutical Industries and Associations (EFPIA) Manufacturing & Quality Expert Group (MQEG).
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Affiliation(s)
- Thomas Pohl
- Biologics Analytical Development, Novartis Pharma AG, Klybeckstrasse 141, CH-4057 Basel, Switzerland
| | - Annick Gervais
- Analytical Development Sciences for Biologicals, UCB, Chemin du Foriest, 1420 Braine L'Alleud, Belgium
| | - Eef Dirksen
- Analytical Development and Quality Control, Byondis, Microweg 22, 6545 CM, Nijmegen, The Netherlands
| | - Valerio D'Alessio
- Analytical Development Biotech, Merck Serono S.p.A., Via Luigi Einaudi, 11, 00012 Guidonia Montecelio - Rome, Italy
| | - Karoline Bechtold-Peters
- Biologics Drug Product Development, Novartis Pharma AG, Klybeckstrasse 141, CH-4057 Basel, Switzerland
| | - Will Burkitt
- Biological Characterisation Product Development Sciences, UCB, 216 Bath Road, Slough, SL1 3WE, UK
| | - Li Cao
- Strategic External Development, GSK, 1250 S. Collegeville Road, Collegeville, Pennsylvania 19426, USA
| | - Simone Greven
- Pharmaceuticals, Biological Development, Bayer AG, Friedrich-Ebert-Strasse 217-333, 42117 Wuppertal, Germany
| | - Andrew Lennard
- Amgen, 4 Uxbridge Business Park, Sanderson Road, Uxbridge, UB8 1DH, UK
| | - Xue Li
- Biologics Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08901, USA
| | - Christopher Lössner
- Analytical Dev. Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Straße 65, 88397 Biberach an der Riß, Germany
| | - Ben Niu
- Biotherapeutics, Bristol Myers Squibb, 4224 Campus Point Court, San Diego, California 92121, USA
| | - Dietmar Reusch
- Pharma Technical Development, Roche Diagnostics GmbH, Nonnenwald 2, 82377 Penzberg, Germany
| | - Tomás O'Riordan
- Eli Lilly Kinsale Limited, Dunderrow, Kinsale, Co. Cork, P17NY71, Ireland
| | - Justin Shearer
- Analytical Development, GSK, 709 Swedeland Road, King of Prussia, Pennsylvania 19406, USA
| | - David Spencer
- BioPharmaceutical Development, Ipsen Biopharm Limited, 9 Ash Road, Wrexham Industrial Estate, Wrexham, LL13 9UF, UK
| | - Wei Xu
- Analytical Sciences, BioPharmaceuticals R&D, AstraZeneca, One Medimmune Way, Gaithersburg, Maryland 20878, USA
| | - Linda Yi
- Analytical Development, Biogen, 5000 Davis Drive, Research Triangle Park, North Carolina 27709, USA
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11
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Fan W, Li X, Long Z, Pei D, Shi X, Wang G, Guo Y, Bo T, Zhou Y, Chen T. Integrating ultra-high-performance liquid chromatography tandem mass spectrometry and imaged capillary isoelectric focusing for in-depth characterization of complex fusion proteins. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2023; 37:e9484. [PMID: 36735852 DOI: 10.1002/rcm.9484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/03/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
RATIONALE Fc-fusion proteins represent a successful class of biopharmaceutical products, which combine the tailored pharmacological properties of biological ligands with the multiple functions of the fragment crystallizable domain of immunoglobulins. There is great diversity in terms of possible biological ligands creating highly diverse structures, therefore the analytical characterization of fusion proteins is far more complex than that of monoclonal antibodies and requires the use and development of additional product-specific methods over conventional generic/platform methods. METHODS Employing etanercept analogues as studied fusion proteins, the Orbitrap mass analyzer with ultra-high performance liquid chromatography (UHPLC-MS) and imaged capillary isoelectric focusing (icIEF) were utilized for the in-depth fusion protein characterization. RESULTS The amino acid sequence coverage, peptide mapping, and post-translational modifications of etanercept analogues were analyzed by UHPLC-MS. The post-translational modification results were complemented by imaged capillary isoelectric focusing to produce quality research on etanercept analogues. CONCLUSIONS The developed workflow integrating UHPLC-MS and icIEF provided an innovative strategy for characterizing complex fusion proteins in the process of quality control and manufacturing.
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Affiliation(s)
- Wenhong Fan
- National Institutes for Food and Drug Control, Beijing, China
| | - Xiang Li
- National Institutes for Food and Drug Control, Beijing, China
| | - Zhen Long
- Thermo Fisher Scientific, Beijing, China
| | - Dening Pei
- National Institutes for Food and Drug Control, Beijing, China
| | - Xinchang Shi
- National Institutes for Food and Drug Control, Beijing, China
| | - Guangyu Wang
- National Institutes for Food and Drug Control, Beijing, China
| | - Ying Guo
- National Institutes for Food and Drug Control, Beijing, China
| | - Tao Bo
- Advanced Electrophoresis Solution LTD, Cambridge, Canada
| | - Yong Zhou
- National Institutes for Food and Drug Control, Beijing, China
| | - Tong Chen
- Advanced Electrophoresis Solution LTD, Cambridge, Canada
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12
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Rosenberg YJ, Ordonez T, Khanwalkar US, Barnette P, Pandey S, Backes IM, Otero CE, Goldberg BS, Crowley AR, Leib DA, Shapiro MB, Jiang X, Urban LA, Lees J, Hessell AJ, Permar S, Haigwood NL, Ackerman ME. Evidence for the Role of a Second Fc-Binding Receptor in Placental IgG Transfer in Nonhuman Primates. mBio 2023; 14:e0034123. [PMID: 36946726 PMCID: PMC10127586 DOI: 10.1128/mbio.00341-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 02/21/2023] [Indexed: 03/23/2023] Open
Abstract
Transplacental transfer of maternal antibodies provides the fetus and newborn with passive protection against infectious diseases. While the role of the highly conserved neonatal Fc receptor (FcRn) in transfer of IgG in mammals is undisputed, recent reports have suggested that a second receptor may contribute to transport in humans. We report poor transfer efficiency of plant-expressed recombinant HIV-specific antibodies, including engineered variants with high FcRn affinity, following subcutaneous infusion into rhesus macaques close to parturition. Unexpectedly, unlike those derived from mammalian tissue culture, plant-derived antibodies were essentially unable to cross macaque placentas. This defect was associated with poor Fcγ receptor binding and altered Fc glycans and was not recapitulated in mice. These results suggest that maternal-fetal transfer of IgG across the three-layer primate placenta may require a second receptor and suggest a means of providing maternal antibody treatments during pregnancy while avoiding fetal harm. IMPORTANCE This study compared the ability of several human HIV envelope-directed monoclonal antibodies produced in plants with the same antibodies produced in mammalian cells for their ability to cross monkey and mouse placentas. We found that the two types of antibodies have comparable transfer efficiencies in mice, but they are differentially transferred across macaque placentas, consistent with a two-receptor IgG transport model in primates. Importantly, plant-produced monoclonal antibodies have excellent binding characteristics for human FcRn receptors, permitting desirable pharmacokinetics in humans. The lack of efficient transfer across the primate placenta suggests that therapeutic plant-based antibody treatments against autoimmune diseases and cancer could be provided to the mother while avoiding transfer and preventing harm to the fetus.
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Affiliation(s)
| | - Tracy Ordonez
- Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon, USA
| | | | - Philip Barnette
- Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon, USA
| | - Shilpi Pandey
- Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon, USA
| | - Iara M. Backes
- Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire, USA
| | - Claire E. Otero
- Department of Pediatrics, Weill Cornell Medicine, New York, New York, USA
| | | | - Andrew R. Crowley
- Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire, USA
| | - David A. Leib
- Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire, USA
| | - Mariya B. Shapiro
- Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon, USA
| | | | | | | | - Ann J. Hessell
- Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon, USA
| | - Sallie Permar
- Department of Pediatrics, Weill Cornell Medicine, New York, New York, USA
| | - Nancy L. Haigwood
- Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon, USA
| | - Margaret E. Ackerman
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire, USA
- Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire, USA
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13
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Cotham VC, Liu AP, Wang S, Li N. A generic platform to couple affinity chromatography with native mass spectrometry for the analysis of therapeutic monoclonal antibodies. J Pharm Biomed Anal 2023; 228:115337. [PMID: 36933319 DOI: 10.1016/j.jpba.2023.115337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/06/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023]
Abstract
Affinity chromatography coupled with native mass spectrometry has emerged as a powerful tool for the analysis of therapeutic monoclonal antibodies (mAbs). Exploiting the specific interactions between mAbs and their ligands, these methods not only provide orthogonal means to study the highly complex mAb attributes, but also offer insights on their biological relevance. Despite the great promise, application of affinity chromatography - native mass spectrometry in routine mAb characterization has been limited, largely due to the complicated experimental set up. In this study, we introduced a generic platform to facilitate the online coupling of different affinity separation modes with native mass spectrometry. Built upon a recently introduced native LC-MS platform, this new strategy can accommodate a wide range of chromatographic conditions, and therefore, allow greatly simplified experimental set up and facile swapping of affinity separation modes. The utility of this platform was demonstrated by successful online coupling of three affinity chromatography methods (protein A, FcγRIIIa, and FcRn) with native mass spectrometry. The developed protein A-MS method was tested both in a "bind-and-elute" mode for rapid mAb screening and in a high-resolution resolving mode to study mAb species with altered protein A affinity. The FcγRIIIa-MS method was applied to achieve glycoform-resolved analyses of both IgG1 and IgG4 subclass molecules. The FcRn-MS method was demonstrated in two case studies, where specific post-translational modifications and Fc mutations were known to alter FcRn affinities.
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Affiliation(s)
- Victoria C Cotham
- Analytical Chemistry Group, Regeneron Pharmaceuticals Inc., Tarrytown, NY, USA
| | - Anita P Liu
- Analytical Chemistry Group, Regeneron Pharmaceuticals Inc., Tarrytown, NY, USA
| | - Shunhai Wang
- Analytical Chemistry Group, Regeneron Pharmaceuticals Inc., Tarrytown, NY, USA.
| | - Ning Li
- Analytical Chemistry Group, Regeneron Pharmaceuticals Inc., Tarrytown, NY, USA
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14
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Solomon TL, Delaglio F, Giddens JP, Marino JP, Yu YB, Taraban MB, Brinson RG. Correlated analytical and functional evaluation of higher order structure perturbations from oxidation of NISTmAb. MAbs 2023; 15:2160227. [PMID: 36683157 PMCID: PMC9872951 DOI: 10.1080/19420862.2022.2160227] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
The clinical efficacy and safety of protein-based drugs such as monoclonal antibodies (mAbs) rely on the integrity of the protein higher order structure (HOS) during product development, manufacturing, storage, and patient administration. As mAb-based drugs are becoming more prevalent in the treatment of many illnesses, the need to establish metrics for quality attributes of mAb therapeutics through high-resolution techniques is also becoming evident. To this end, here we used a forced degradation method, time-dependent oxidation by hydrogen peroxide, on the model biotherapeutic NISTmAb and evaluated the effects on HOS with orthogonal analytical methods and a functional assay. To monitor the oxidation process, the experimental workflow involved incubation of NISTmAb with hydrogen peroxide in a benchtop nuclear magnetic resonance spectrometer (NMR) that followed the reaction kinetics, in real-time through the water proton transverse relaxation rate R2(1H2O). Aliquots taken at defined time points were further analyzed by high-field 2D 1H-13C methyl correlation fingerprint spectra in parallel with other analytical techniques, including thermal unfolding, size-exclusion chromatography, and surface plasmon resonance, to assess changes in stability, heterogeneity, and binding affinities. The complementary measurement outputs from the different techniques demonstrate the utility of combining NMR with other analytical tools to monitor oxidation kinetics and extract the resulting structural changes in mAbs that are functionally relevant, allowing rigorous assessment of HOS attributes relevant to the efficacy and safety of mAb-based drug products.
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Affiliation(s)
- Tsega L. Solomon
- Institute for Bioscience and Biotechnology Research, National Institute of Standards and Technology and the University of Maryland, Rockville, Maryland, United States
| | - Frank Delaglio
- Institute for Bioscience and Biotechnology Research, National Institute of Standards and Technology and the University of Maryland, Rockville, Maryland, United States
| | - John P. Giddens
- Institute for Bioscience and Biotechnology Research, National Institute of Standards and Technology and the University of Maryland, Rockville, Maryland, United States
| | - John P. Marino
- Institute for Bioscience and Biotechnology Research, National Institute of Standards and Technology and the University of Maryland, Rockville, Maryland, United States
| | - Yihua Bruce Yu
- Bio- and Nano-Technology Center, University of Maryland School of Pharmacy, and Institute for Bioscience and Biotechnology Research, Rockville, Maryland, United States
| | - Marc B. Taraban
- Bio- and Nano-Technology Center, University of Maryland School of Pharmacy, and Institute for Bioscience and Biotechnology Research, Rockville, Maryland, United States
| | - Robert G. Brinson
- Institute for Bioscience and Biotechnology Research, National Institute of Standards and Technology and the University of Maryland, Rockville, Maryland, United States,CONTACT Robert G. Brinson Institute for Bioscience and Biotechnology Research, National Institute of Standards and Technology, 9600 Gudelsky Drive Rockville, Rockville, Maryland20850, United States
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15
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Müller T, Tasser C, Tesar M, Fucek I, Schniegler-Mattox U, Koch J, Ellwanger K. Selection of bispecific antibodies with optimal developability using FcRn‑Ph‑HPLC as an optimized FcRn affinity chromatography method. MAbs 2023; 15:2245519. [PMID: 37599441 PMCID: PMC10443974 DOI: 10.1080/19420862.2023.2245519] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/27/2023] [Accepted: 08/03/2023] [Indexed: 08/22/2023] Open
Abstract
A challenge when developing therapeutic antibodies is the identification of candidates with favorable pharmacokinetics (PK) early in development. A key determinant of immunoglobulin (IgG) serum half‑life in vivo is the efficiency of pH-dependent binding to the neonatal Fc receptor (FcRn). Numerous studies have proposed techniques to assess FcRn binding of IgG-based therapeutics in vitro, enabling prediction of serum half-life prior to clinical assessment. FcRn high-performance liquid chromatography (HPLC) assays FcRn binding of therapeutic IgGs across a pH gradient, allowing the correlation of IgG column retention time to the half‑life of a therapeutic IgG in vivo. However, as FcRn retention time cannot be directly compared to an in vivo parameter, modifications to FcRn-HPLC are required to enable interpretation of the data within a physiological context, to provide more accurate estimations of serum half-life. This study presents an important modification to this method, FcRn-pH-HPLC, which reproducibly measures FcRn dissociation pH, allowing correlation with previously established half-lives of therapeutic antibodies. Furthermore, the influence of incorporating various antibody modifications, binding modules, and their orientations within IgGs and bispecifics on FcRn dissociation pH was evaluated using antibodies from the redirected optimized cell killing (ROCK®) platform. Target and effector antigen-binding domain sequences, their presentation format and orientation within a bispecific antibody alter FcRn retention; tested Fc domain modifications and incorporating stabilizing disulfide bonds had minimal effect. This study may inform the generation of mono-, bi- and multi-specific antibodies with tailored half-lives based on FcRn binding properties in vitro, to differentiate antibody-based therapeutic candidates with optimal developability.
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Affiliation(s)
- Thomas Müller
- Discovery Research and Translational Immunology, Affimed GmbH, Heidelberg, Germany
| | - Carolin Tasser
- Discovery Research and Translational Immunology, Affimed GmbH, Heidelberg, Germany
| | - Michael Tesar
- Discovery Research and Translational Immunology, Affimed GmbH, Heidelberg, Germany
| | - Ivica Fucek
- Discovery Research and Translational Immunology, Affimed GmbH, Heidelberg, Germany
| | | | - Joachim Koch
- Discovery Research and Translational Immunology, Affimed GmbH, Heidelberg, Germany
| | - Kristina Ellwanger
- Discovery Research and Translational Immunology, Affimed GmbH, Heidelberg, Germany
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16
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Dippel A, Gallegos A, Aleti V, Barnes A, Chen X, Christian E, Delmar J, Du Q, Esfandiary R, Farmer E, Garcia A, Li Q, Lin J, Liu W, Machiesky L, Mody N, Parupudi A, Prophet M, Rickert K, Rosenthal K, Ren S, Shandilya H, Varkey R, Wons K, Wu Y, Loo YM, Esser MT, Kallewaard NL, Rajan S, Damschroder M, Xu W, Kaplan G. Developability profiling of a panel of Fc engineered SARS-CoV-2 neutralizing antibodies. MAbs 2023; 15:2152526. [PMID: 36476037 PMCID: PMC9733695 DOI: 10.1080/19420862.2022.2152526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
To combat the COVID-19 pandemic, potential therapies have been developed and moved into clinical trials at an unprecedented pace. Some of the most promising therapies are neutralizing antibodies against SARS-CoV-2. In order to maximize the therapeutic effectiveness of such neutralizing antibodies, Fc engineering to modulate effector functions and to extend half-life is desirable. However, it is critical that Fc engineering does not negatively impact the developability properties of the antibodies, as these properties play a key role in ensuring rapid development, successful manufacturing, and improved overall chances of clinical success. In this study, we describe the biophysical characterization of a panel of Fc engineered ("TM-YTE") SARS-CoV-2 neutralizing antibodies, the same Fc modifications as those found in AstraZeneca's Evusheld (AZD7442; tixagevimab and cilgavimab), in which the TM modification (L234F/L235E/P331S) reduce binding to FcγR and C1q and the YTE modification (M252Y/S254T/T256E) extends serum half-life. We have previously shown that combining both the TM and YTE Fc modifications can reduce the thermal stability of the CH2 domain and possibly lead to developability challenges. Here we show, using a diverse panel of TM-YTE SARS-CoV-2 neutralizing antibodies, that despite lowering the thermal stability of the Fc CH2 domain, the TM-YTE platform does not have any inherent developability liabilities and shows an in vivo pharmacokinetic profile in human FcRn transgenic mice similar to the well-characterized YTE platform. The TM-YTE is therefore a developable, effector function reduced, half-life extended antibody platform.
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Affiliation(s)
- Andrew Dippel
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Austin Gallegos
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Vineela Aleti
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Arnita Barnes
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Xiaoru Chen
- Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | | | - Jared Delmar
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Qun Du
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Reza Esfandiary
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Erika Farmer
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Andrew Garcia
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Qing Li
- Hansoh Bio, Rockville, MD, USA,Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Jia Lin
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Weiyi Liu
- Pfizer, La Jolla, CA, USA,Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - LeeAnn Machiesky
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Neil Mody
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Arun Parupudi
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Meagan Prophet
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Keith Rickert
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Kim Rosenthal
- Vaccines and Immune Therapies, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Song Ren
- Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | | | - Reena Varkey
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Kevin Wons
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Yuling Wu
- Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Yueh-Ming Loo
- Vaccines and Immune Therapies, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Mark T. Esser
- Vaccines and Immune Therapies, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Nicole L. Kallewaard
- Eli Lilly, Indianapolis, IN, USA,Vaccines and Immune Therapies, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Sarav Rajan
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA
| | | | - Weichen Xu
- Biopharmaceutical Development, MacroGenics, Rockville, MD, USA,Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Gilad Kaplan
- Biologics Engineering, R&D, AstraZeneca, Gaithersburg, MD, USA,CONTACT Gilad Kaplan AstraZeneca, Gaithersburg, MD20878
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17
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Hipper E, Lehmann F, Kaiser W, Hübner G, Buske J, Blech M, Hinderberger D, Garidel P. Protein photodegradation in the visible range? Insights into protein photooxidation with respect to protein concentration. Int J Pharm X 2022; 5:100155. [PMID: 36798831 PMCID: PMC9926095 DOI: 10.1016/j.ijpx.2022.100155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/23/2022] [Accepted: 12/24/2022] [Indexed: 12/28/2022] Open
Abstract
Visible light (400-800 nm) can lead to photooxidation of protein formulations, which might impair protein integrity. However, the relevant mechanism of photooxidation upon visible light exposure is still unclear for therapeutic proteins, since proteinogenic structures do not absorb light in the visible range. Here, we show that exposure of monoclonal antibody formulations to visible light, lead to the formation of reactive oxygen species (ROS), which subsequently induce specific protein degradations. The formation of ROS and singlet oxygen upon visible light exposure is investigated using electron paramagnetic resonance (EPR) spectroscopy. We describe the initial formation of ROS, most likely after direct reaction of molecular oxygen with a triplet state photosensitizer, generated from intersystem crossing of the excited singlet state. Since these radicals affect the oxygen content in the headspace of the vial, we monitored photooxidation of these mAb formulations. With increasing protein concentrations, we found (i) a decreasing headspace oxygen content in the sample, (ii) a higher relative number of radicals in solution and (iii) a higher protein degradation. Thus, the protein concentration dependence indicates the presence of higher concentration of a currently unknown photosensitizer.
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Affiliation(s)
- Elena Hipper
- Institute of Chemistry, Martin-Luther-Universität Halle-Wittenberg, von-Danckelmann-Platz 4, 06120 Halle, Germany
| | - Florian Lehmann
- Institute of Chemistry, Martin-Luther-Universität Halle-Wittenberg, von-Danckelmann-Platz 4, 06120 Halle, Germany
| | - Wolfgang Kaiser
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB-TIP, Birkendorfer Strasse 65, 88397 Biberach an der Riss, Germany
| | - Göran Hübner
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, ADB, Birkendorfer Strasse 65, 88397 Biberach an der Riss, Germany
| | - Julia Buske
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB-TIP, Birkendorfer Strasse 65, 88397 Biberach an der Riss, Germany
| | - Michaela Blech
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB-TIP, Birkendorfer Strasse 65, 88397 Biberach an der Riss, Germany
| | - Dariush Hinderberger
- Institute of Chemistry, Martin-Luther-Universität Halle-Wittenberg, von-Danckelmann-Platz 4, 06120 Halle, Germany
| | - Patrick Garidel
- Institute of Chemistry, Martin-Luther-Universität Halle-Wittenberg, von-Danckelmann-Platz 4, 06120 Halle, Germany,Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB-TIP, Birkendorfer Strasse 65, 88397 Biberach an der Riss, Germany,Corresponding author at: Institute of Chemistry, Martin-Luther-Universität Halle-Wittenberg, von-Danckelmann-Platz 4, 06120 Halle, Germany; Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB-TIP, Birkendorfer Strasse 65, 88397 Biberach an der Riss, Germany.
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18
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Gurel B, Berksoz M, Capkin E, Parlar A, Pala MC, Ozkan A, Capan Y, Daglikoca DE, Yuce M. Structural and Functional Analysis of CEX Fractions Collected from a Novel Avastin® Biosimilar Candidate and Its Innovator: A Comparative Study. Pharmaceutics 2022; 14:pharmaceutics14081571. [PMID: 36015197 PMCID: PMC9415858 DOI: 10.3390/pharmaceutics14081571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/25/2022] [Accepted: 07/25/2022] [Indexed: 02/01/2023] Open
Abstract
Avastin® is a humanized recombinant monoclonal antibody used to treat cancer by targeting VEGF-A to inhibit angiogenesis. SIMAB054, an Avastin® biosimilar candidate developed in this study, showed a different charge variant profile than its innovator. Thus, it is fractionated into acidic, main, and basic isoforms and collected physically by Cation Exchange Chromatography (CEX) for a comprehensive structural and functional analysis. The innovator product, fractionated into the same species and collected by the same method, is used as a reference for comparative analysis. Ultra-Performance Liquid Chromatography (UPLC) ESI-QToF was used to analyze the modifications leading to charge heterogeneities at intact protein and peptide levels. The C-terminal lysine clipping and glycosylation profiles of the samples were monitored by intact mAb analysis. The post-translational modifications, including oxidation, deamidation, and N-terminal pyroglutamic acid formation, were determined by peptide mapping analysis in the selected signal peptides. The relative binding affinities of the fractionated charge isoforms against the antigen, VEGF-A, and the neonatal receptor, FcRn, were revealed by Surface Plasmon Resonance (SPR) studies. The results show that all CEX fractions from the innovator product and the SIMAB054 shared the same structural variants, albeit in different ratios. Common glycoforms and post-translational modifications were the same, but at different percentages for some samples. The dissimilarities were mostly originating from the presence of extra C-term Lysin residues, which are prone to enzymatic degradation in the body, and thus they were previously assessed as clinically irrelevant. Another critical finding was the presence of different glyco proteoforms in different charge species, such as increased galactosylation in the acidic and afucosylation in the basic species. SPR characterization of the isolated charge variants further confirmed that basic species found in the CEX analyses of the biosimilar candidate were also present in the innovator product, although at lower amounts. The charge variants’ in vitro antigen- and neonatal receptor-binding activities varied amongst the samples, which could be further investigated in vivo with a larger sample set to reveal the impact on the pharmacokinetics of drug candidates. Minor structural differences may explain antigen-binding differences in the isolated charge variants, which is a key parameter in a comparability exercise. Consequently, such a biosimilar candidate may not comply with high regulatory standards unless the binding differences observed are justified and demonstrated not to have any clinical impact.
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Affiliation(s)
- Busra Gurel
- SUNUM Nanotechnology Research and Application Center, Sabanci University, Istanbul 34956, Turkey;
| | - Melike Berksoz
- ILKO ARGEM Biotechnology R&D Center, Istanbul 34906, Turkey; (M.B.); (E.C.); (M.C.P.); (A.O.); (Y.C.)
| | - Eda Capkin
- ILKO ARGEM Biotechnology R&D Center, Istanbul 34906, Turkey; (M.B.); (E.C.); (M.C.P.); (A.O.); (Y.C.)
- Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey;
| | - Ayhan Parlar
- Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey;
| | - Meltem Corbacioglu Pala
- ILKO ARGEM Biotechnology R&D Center, Istanbul 34906, Turkey; (M.B.); (E.C.); (M.C.P.); (A.O.); (Y.C.)
| | - Aylin Ozkan
- ILKO ARGEM Biotechnology R&D Center, Istanbul 34906, Turkey; (M.B.); (E.C.); (M.C.P.); (A.O.); (Y.C.)
| | - Yılmaz Capan
- ILKO ARGEM Biotechnology R&D Center, Istanbul 34906, Turkey; (M.B.); (E.C.); (M.C.P.); (A.O.); (Y.C.)
| | - Duygu Emine Daglikoca
- ILKO ARGEM Biotechnology R&D Center, Istanbul 34906, Turkey; (M.B.); (E.C.); (M.C.P.); (A.O.); (Y.C.)
- Correspondence: (D.E.D.); (M.Y.)
| | - Meral Yuce
- SUNUM Nanotechnology Research and Application Center, Sabanci University, Istanbul 34956, Turkey;
- Correspondence: (D.E.D.); (M.Y.)
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Gjølberg TT, Lode HE, Melo GB, Mester S, Probst C, Sivertsen MS, Jørstad ØK, Andersen JT, Moe MC. A Silicone Oil-Free Syringe Tailored for Intravitreal Injection of Biologics. FRONTIERS IN OPHTHALMOLOGY 2022; 2:882013. [PMID: 38983507 PMCID: PMC11182194 DOI: 10.3389/fopht.2022.882013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 03/31/2022] [Indexed: 07/11/2024]
Abstract
Intravitreal injections (IVI) of biologics targeting vascular endothelial growth factor (anti-VEGF) led to a paradigm shift in the management and prognosis of prevalent retinal conditions. Yet, IVI are typically performed with syringes that are neither developed nor approved for this purpose. Notably, syringes lubricated with silicone oil (SiO) are extensively used despite multiple reports showing that such syringes can cause deposition of SiO droplets in the vitreous body and patient discomfort. Thus, there is a need for SiO-free substitutes specifically tailored for IVI. Here, we report on the development and testing of such a syringe. This syringe has no dead volume, and its design allows for high-accuracy dosing. Also, it permits pharmaceutical compounding and storage of bevacizumab, ranibizumab, and aflibercept for up to 30 days without compromising their functional binding or transport properties. Finally, the new syringe demonstrated a favorable safety profile regarding release of SiO compared to SiO lubricated alternatives, including commercially prefilled syringes. Accordingly, the newly developed syringe is an appealing alternative for IVI.
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Affiliation(s)
- Torleif T Gjølberg
- Department of Immunology, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Pharmacology, Oslo University Hospital and University of Oslo, Oslo, Norway
- Department of Ophthalmology, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Heidrun E Lode
- Department of Immunology, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Pharmacology, Oslo University Hospital and University of Oslo, Oslo, Norway
- Department of Ophthalmology, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Gustavo B Melo
- Department of Ophthalmology, Federal University of São Paulo, São Paulo, Brazil
- Department of Ophthalmology, Hospital de Olhos de Sergipe, Aracaju, Brazil
| | - Simone Mester
- Department of Immunology, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Pharmacology, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Christine Probst
- Department of Research and Development Sciences, Luminex Corporation, Seattle, WA, United States
| | - Magne S Sivertsen
- Department of Ophthalmology, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Øystein K Jørstad
- Department of Ophthalmology, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Jan Terje Andersen
- Department of Immunology, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Pharmacology, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Morten C Moe
- Department of Ophthalmology, Oslo University Hospital and University of Oslo, Oslo, Norway
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20
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Zeunik R, Ryuzoji AF, Peariso A, Wang X, Lannan M, Spindler LJ, Knierman M, Copeland V, Patel C, Wen Y. Investigation of immune responses to oxidation, deamidation, and isomerization in therapeutic antibodies using preclinical immunogenicity risk assessment assays. J Pharm Sci 2022; 111:2217-2229. [DOI: 10.1016/j.xphs.2022.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 05/07/2022] [Accepted: 05/08/2022] [Indexed: 01/30/2023]
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21
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Giddens JP, Schiel JE. Ligand-Bound Forced Degradation as a Strategy to Generate Functionally Relevant Analytical Challenge Materials for Assessment of CQAs. Front Mol Biosci 2022; 9:789973. [PMID: 35480883 PMCID: PMC9035890 DOI: 10.3389/fmolb.2022.789973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 03/03/2022] [Indexed: 11/18/2022] Open
Abstract
Therapeutic monoclonal antibodies (mAbs) contain a variety of amino acids that are susceptible to enzymatic, chemical, and physical modifications. These modifications can happen throughout production, purification, formulation, and storage and many are known to affect the biological activity of a mAb. Methods that are able to characterize and evaluate these attributes are critical in order to understand how they might alter biological activity. Methods capable of site-specific monitoring of these critical quality attributes are extremely valuable to biopharmaceutical research but also require well-defined materials with site-specific attribute modifications. Here, we describe the development and application of a strategy to generate functionally relevant analytical challenge materials that have unique site-specific attributes. This method involves the use of a ligand that is bound to the mAb during oxidative stress resulting in unique oxidation patterns with some methionine residues protected while others are exposed to oxidation. These unique materials were used to develop a rapid surface plasmon resonance (SPR) assay that could detect methionine oxidation in both the Fab and Fc regions using specific molecular probes. The addition of uniquely oxidized materials to our data set enabled us to determine specific methionine residues vital to binding. Further analysis showed that antibody oxidation could also be rapidly detected in multiple domains from qualitative thermal melting using intrinsic tryptophan fluorescence. Methionine oxidation of an antibody was explored in this study, but we envision this method could be useful to explore structure function relationships of a variety of antibody modifications and modifications to other biologically relevant protein drugs.
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22
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Bolleddula J, Brady K, Bruin G, Lee AJ, Martin JA, Walles M, Xu K, Yang TY, Zhu X, Yu H. Absorption, Distribution, Metabolism, and Excretion (ADME) of Therapeutic Proteins: Current Industry Practices and Future Perspectives. Drug Metab Dispos 2022; 50:837-845. [PMID: 35149541 DOI: 10.1124/dmd.121.000461] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 01/05/2022] [Indexed: 11/22/2022] Open
Abstract
Therapeutics proteins (TPs) comprise a variety of modalities including antibody-based drugs, coagulation factors, recombinant cytokines, enzymes, growth factors, and hormones. TPs usually cannot traverse cellular barriers and exert their pharmacological activity by interacting with targets on the exterior membrane of cells or with soluble ligands in the tissue interstitial fluid/blood. Due to large size, lack of cellular permeability, variation in metabolic fate, and distinct physicochemical characteristics, TPs are subject to different absorption, distribution, metabolism, and excretion (ADME) processes as compared to small molecules. Limited regulatory guidance makes it challenging to determine the most relevant ADME data required for regulatory submissions. The TP ADME working group (WG) was sponsored by the Translational and ADME Sciences Leadership Group (TALG) within the Innovation and Quality (IQ) consortium with objectives to: i) better understand the current practices of ADME data generated for TPs across IQ member companies, ii) learn about their regulatory strategy and interaction experiences, and iii) provide recommendations on best practices for conducting ADME studies. To understand current ADME practices and regulatory strategies, an industry-wide survey was conducted within IQ member companies. In addition, ADME data submitted to FDA was also collated by reviewing regulatory submission packages of TPs approved between 2011-2020. This article summarizes the key learnings from the survey and an overview of ADME data presented in BLAs along with future perspectives and recommendations for conducting ADME studies for internal decision making as well as regulatory submissions for TPs. Significance Statement This article provides comprehensive assessment of the current practices of absorption, distribution, metabolism, and excretion (ADME) data generated for therapeutic proteins across the Innovation and Quality (IQ) participating companies and the utility of the data in discovery, development, and regulatory submissions. The TP ADME working group (WG) working group also recommends the best practices for conducting ADME studies for internal decision making and regulatory submissions.
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Affiliation(s)
| | | | - Gerard Bruin
- Novartis Institutes for Biomedical Research, Switzerland
| | | | | | - Markus Walles
- DMPK, Novartis Institutes for Biomedical Research, Switzerland
| | | | | | | | - Hongbin Yu
- Boehringer Ingelheim Pharmaceuticals, Inc, United States
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23
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Glover ZK, Wecksler A, Aryal B, Mehta S, Pegues M, Chan W, Lehtimaki M, Luo A, Sreedhara A, Rao VA. Physicochemical and biological impact of metal-catalyzed oxidation of IgG1 monoclonal antibodies and antibody-drug conjugates via reactive oxygen species. MAbs 2022; 14:2122957. [PMID: 36151884 PMCID: PMC9519010 DOI: 10.1080/19420862.2022.2122957] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Biotherapeutics are exposed to common transition metal ions such as Cu(II) and Fe(II) during manufacturing processes and storage. IgG1 biotherapeutics are vulnerable to reactive oxygen species (ROS) generated via the metal-catalyzed oxidation reactions. Exposure to these metal ions can lead to potential changes to structure and function, ultimately influencing efficacy, potency, and potential immunogenicity of the molecules. Here, we stress four biotherapeutics of the IgG1 subclass (trastuzumab, trastuzumab emtansine, anti-NaPi2b, and anti-NaPi2b-vc-MMAE) with two common pharmaceutically relevant metal-induced oxidizing systems, Cu(II)/ ascorbic acid and Fe(II)/ H2O2, and evaluated oxidation, size distribution, carbonylation, Fc effector functions, antibody-dependent cellular cytotoxicity (ADCC) activity, cell anti-proliferation and autophaghic flux. Our study demonstrates that the extent of oxidation was metal ion-dependent and site-specific, leading to decreased FcγRIIIa and FcRn receptor binding and subsequently potentially reduced bioactivity, though antigen binding was not affected to a great extent. In general, the monoclonal antibody (mAb) and corresponding antibody-drug conjugate (ADC) showed similar impacts to product quality when exposed to the same metal ion, either Cu(II) or Fe(II). Our study clearly demonstrates that transition metal ion binding to therapeutic IgG1 mAbs and ADCs is not random and that oxidation products show unique structural and functional ramifications. A critical outcome from this study is our highlighting of key process parameters, route of degradation, especially oxidation (metal catalyzed or via ROS), on the CH1 and Fc region of full-length mAbs and ADCs. Abbreviations: DNPH 2,4-dinitrophenylhydrazine; ADC Antibody drug conjugate; ADCC Antibody-dependent cellular cytotoxicity; CDR Complementary determining region; DTT Dithiothreitol; HMWF high molecular weight form; LC-MS Liquid chromatography–mass spectrometry; LMWF low molecular weight forms; MOA Mechanism of action; MCO Metal-catalyzed oxidation; MetO Methionine sulfoxide; mAbs Monoclonal antibodies; MyBPC Myosin binding protein C; ROS Reactive oxygen species; SEC Size exclusion chromatography
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Affiliation(s)
| | - Aaron Wecksler
- Analytical Development, Genentech Inc, South San Francisco, CA, USA
| | - Baikuntha Aryal
- Laboratory of Applied Biochemistry, Division of Biotechnology Research and Review III, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administrations, Maryland, USA
| | - Shrenik Mehta
- Pharmaceutical Development, Genentech Inc, South San Francisco, CA, USA
| | - Melissa Pegues
- Laboratory of Applied Biochemistry, Division of Biotechnology Research and Review III, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administrations, Maryland, USA
| | - Wayman Chan
- Pharmaceutical Development, Genentech Inc, South San Francisco, CA, USA
| | - Mari Lehtimaki
- Laboratory of Applied Biochemistry, Division of Biotechnology Research and Review III, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administrations, Maryland, USA
| | - Allen Luo
- Biological Technologies, Genentech Inc, South San Francisco, CA, USA
| | | | - V Ashutosh Rao
- Laboratory of Applied Biochemistry, Division of Biotechnology Research and Review III, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administrations, Maryland, USA
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24
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Gupta S, Jiskoot W, Schöneich C, Rathore AS. Oxidation and Deamidation of Monoclonal Antibody Products: Potential Impact on Stability, Biological Activity, and Efficacy. J Pharm Sci 2021; 111:903-918. [PMID: 34890632 DOI: 10.1016/j.xphs.2021.11.024] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/24/2021] [Accepted: 11/26/2021] [Indexed: 12/25/2022]
Abstract
The role in human health of therapeutic proteins in general, and monoclonal antibodies (mAbs) in particular, has been significant and is continuously evolving. A considerable amount of time and resources are invested first in mAb product development and then in clinical examination of the product. Physical and chemical degradation can occur during manufacturing, processing, storage, handling, and administration. Therapeutic proteins may undergo various chemical degradation processes, including oxidation, deamidation, isomerization, hydrolysis, deglycosylation, racemization, disulfide bond breakage and formation, Maillard reaction, and β-elimination. Oxidation and deamidation are the most common chemical degradation processes of mAbs, which may result in changes in physical properties, such as hydrophobicity, charge, secondary or/and tertiary structure, and may lower the thermodynamic or kinetic barrier to unfold. This may predispose the product to aggregation and other chemical modifications, which can alter the binding affinity, half-life, and efficacy of the product. This review summarizes major findings from the past decade on the impact of oxidation and deamidation on the stability, biological activity, and efficacy of mAb products. Mechanisms of action, influencing factors, characterization tools, clinical impact, and risk mitigation strategies have been addressed.
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Affiliation(s)
- Surbhi Gupta
- Department of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi-110016, India
| | - Wim Jiskoot
- Division of BioTherapeutics, Leiden Centre for Drug Research (LACDR), Leiden University, Leiden, the Netherlands
| | | | - Anurag S Rathore
- Department of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi-110016, India.
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25
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Wolfe GI, Ward ES, de Haard H, Ulrichts P, Mozaffar T, Pasnoor M, Vidarsson G. IgG regulation through FcRn blocking: A novel mechanism for the treatment of myasthenia gravis. J Neurol Sci 2021; 430:118074. [PMID: 34563918 DOI: 10.1016/j.jns.2021.118074] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 09/04/2021] [Accepted: 09/08/2021] [Indexed: 10/20/2022]
Abstract
The neonatal Fc receptor (FcRn) is an MHC class I-like molecule that is widely distributed in mammalian organs, tissues, and cells. FcRn is critical to maintaining immunoglobulin G (IgG) and albumin levels through rescuing these molecules from lysosomal degradation. IgG autoantibodies are associated with many autoimmune diseases, including myasthenia gravis (MG), a rare neuromuscular autoimmune disease that causes debilitating and, in its generalized form (gMG), potentially life-threatening muscle weakness. IgG autoantibodies are directly pathogenic in MG and target neuromuscular junction proteins, causing neuromuscular transmission failure. Treatment approaches that reduce autoantibody levels, such as therapeutic plasma exchange and intravenous immunoglobulin, have been shown to be effective for gMG patients but are not indicated as ongoing maintenance therapies and can be associated with burdensome side effects. Agents that block FcRn-mediated recycling of IgG represent a rational and promising approach for the treatment of gMG. Blocking FcRn allows targeted reduction of all IgG subtypes without decreasing concentrations of other Ig isotypes; therefore, FcRn blocking could be a safe and effective treatment strategy for a broad population of gMG patients. Several FcRn-blocking antibodies and one antibody Fc fragment have been developed and are currently in various stages of clinical development. This article describes the mechanism of FcRn blockade as a novel approach for IgG-mediated disease therapy and reviews promising clinical data using such FcRn blockers for the treatment of gMG.
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Affiliation(s)
- Gil I Wolfe
- Department of Neurology, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, SUNY, Buffalo, NY, USA.
| | - E Sally Ward
- Centre for Cancer Immunology, Faculty of Medicine, University of Southampton, SO16 6YD, UK
| | - Hans de Haard
- argenx, Zwijnaarde, Belgium, University of California, Irvine, CA, USA
| | - Peter Ulrichts
- argenx, Zwijnaarde, Belgium, University of California, Irvine, CA, USA
| | - Tahseen Mozaffar
- Department of Neurology, University of California, Irvine, CA, USA
| | - Mamatha Pasnoor
- Department of Neurology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Gestur Vidarsson
- Sanquin Research, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
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26
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Fieux M, Le Quellec S, Bartier S, Coste A, Louis B, Giroudon C, Nourredine M, Bequignon E. FcRn as a Transporter for Nasal Delivery of Biologics: A Systematic Review. Int J Mol Sci 2021; 22:ijms22126475. [PMID: 34204226 PMCID: PMC8234196 DOI: 10.3390/ijms22126475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/07/2021] [Accepted: 06/11/2021] [Indexed: 12/15/2022] Open
Abstract
FcRn plays a major role in regulating immune homeostasis, but it is also able to transport biologics across cellular barriers. The question of whether FcRn could be an efficient transporter of biologics across the nasal epithelial barrier is of particular interest, as it would allow a less invasive strategy for the administration of biologics in comparison to subcutaneous, intramuscular or intravenous administrations, which are often used in clinical practice. A focused systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. It was registered on the international prospective register of systematic reviews PROSPERO, which helped in identifying articles that met the inclusion criteria. Clinical and preclinical studies involving FcRn and the nasal delivery of biologics were screened, and the risk of bias was assessed across studies using the Oral Health Assessment Tool (OHAT). Among the 12 studies finally included in this systematic review (out of the 758 studies screened), 11 demonstrated efficient transcytosis of biologics through the nasal epithelium. Only three studies evaluated the potential toxicity of biologics’ intranasal delivery, and they all showed that it was safe. This systematic review confirmed that FcRn is expressed in the nasal airway and the olfactory epithelium, and that FcRn may play a role in IgG and/or IgG-derived molecule-transcytosis across the airway epithelium. However, additional research is needed to better characterize the pharmacokinetic and pharmacodynamic properties of biologics after their intranasal delivery.
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Affiliation(s)
- Maxime Fieux
- Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, Service d’ORL, D’otoneurochirurgie et de Chirurgie Cervico-Faciale, Pierre Bénite, CEDEX, F-69495 Lyon, France
- Université de Lyon, Université Lyon 1, F-69003 Lyon, France; (S.L.Q.); (M.N.)
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Correspondence: ; Tel.: +33-4-7266-6415
| | - Sandra Le Quellec
- Université de Lyon, Université Lyon 1, F-69003 Lyon, France; (S.L.Q.); (M.N.)
- Hospices Civils de Lyon, Hôpital Cardiologique Louis Pradel, Unité D’hémostase Clinique, CEDEX, F-69500 Bron, France
- EA 4609 Hémostase et Cancer, Université Claude Bernard Lyon 1, F-69372 Lyon, France
- Hospices Civils de Lyon, Centre de Biologie et de Pathologie Est, Service D’hématologie Biologique, CEDEX, F-69500 Bron, France
| | - Sophie Bartier
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Service d’ORL, de Chirurgie Cervico Faciale, Hôpital Henri Mondor, Assistance Publique des Hôpitaux de Paris, F-94000 Créteil, France
| | - André Coste
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Service d’ORL, de Chirurgie Cervico Faciale, Centre Hospitalier Intercommunal de Créteil, F-94010 Créteil, France
| | - Bruno Louis
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
| | - Caroline Giroudon
- Hospices Civils de Lyon, Service de la Documentation Centrale, CEDEX, F-69424 Lyon, France;
| | - Mikail Nourredine
- Université de Lyon, Université Lyon 1, F-69003 Lyon, France; (S.L.Q.); (M.N.)
- Hospices Civils de Lyon, Service de Biostatistique et Bioinformatique, F-69003 Lyon, France
- CNRS, Laboratoire de Biométrie et Biologie Évolutive UMR 5558, F-69100 Villeurbanne, France
| | - Emilie Bequignon
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Service d’ORL, de Chirurgie Cervico Faciale, Centre Hospitalier Intercommunal de Créteil, F-94010 Créteil, France
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27
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Kaiser W, Schultz-Fademrecht T, Blech M, Buske J, Garidel P. Investigating photodegradation of antibodies governed by the light dosage. Int J Pharm 2021; 604:120723. [PMID: 34022254 DOI: 10.1016/j.ijpharm.2021.120723] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 05/16/2021] [Accepted: 05/17/2021] [Indexed: 12/22/2022]
Abstract
The present study investigated the photodegradation of three different monoclonal antibodies (mAb) by visible light. Several chromatographic techniques, such as size-exclusion and hydrophobic interaction chromatography as well as mass spectrometry were used to measure relative changes of various oxidation related monoclonal antibody species. The results show that visible light is indeed capable of inducing the formation of protein photo-oxidation products, such as acidic, basic, hydrophilic, and several other protein species with altered physicochemical properties. Although, the formation rate of degradants of these three protein species was dependent on the light source's intensity (I), their yield is clearly correlated to the applied light dosage (ld), which is defined as the product of light intensity I and irradiation time t (light dosage = I·t). Hence, our findings indicate that the degradation of monoclonal antibodies can be described according to the Bunsen-Roscoe reciprocity law. This correlation can be useful to assess the impact of photodegradation of biologics with regards to changes in light intensity and/or duration of light exposure of the protein, e.g. during the manufacturing of biologics.
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Affiliation(s)
- Wolfgang Kaiser
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, D-88397 Biberach an der Riss, Germany
| | | | - Michaela Blech
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, D-88397 Biberach an der Riss, Germany
| | - Julia Buske
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, D-88397 Biberach an der Riss, Germany
| | - Patrick Garidel
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, D-88397 Biberach an der Riss, Germany.
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28
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Delmar JA, Buehler E, Chetty AK, Das A, Quesada GM, Wang J, Chen X. Machine learning prediction of methionine and tryptophan photooxidation susceptibility. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2021; 21:466-477. [PMID: 33898635 PMCID: PMC8060516 DOI: 10.1016/j.omtm.2021.03.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 03/26/2021] [Indexed: 12/01/2022]
Abstract
Photooxidation of methionine (Met) and tryptophan (Trp) residues is common and includes major degradation pathways that often pose a serious threat to the success of therapeutic proteins. Oxidation impacts all steps of protein production, manufacturing, and shelf life. Prediction of oxidation liability as early as possible in development is important because many more candidate drugs are discovered than can be tested experimentally. Undetected oxidation liabilities necessitate expensive and time-consuming remediation strategies in development and may lead to good drugs reaching patients slowly. Conversely, sites mischaracterized as oxidation liabilities could result in overengineering and lead to good drugs never reaching patients. To our knowledge, no predictive model for photooxidation of Met or Trp is currently available. We applied the random forest machine learning algorithm to in-house liquid chromatography-tandem mass spectrometry (LC-MS/MS) datasets (Met, n = 421; Trp, n = 342) of tryptic therapeutic protein peptides to create computational models for Met and Trp photooxidation. We show that our machine learning models predict Met and Trp photooxidation likelihood with 0.926 and 0.860 area under the curve (AUC), respectively, and Met photooxidation rate with a correlation coefficient (Q2) of 0.511 and root-mean-square error (RMSE) of 10.9%. We further identify important physical, chemical, and formulation parameters that influence photooxidation. Improvement of biopharmaceutical liability predictions will result in better, more stable drugs, increasing development throughput, product quality, and likelihood of clinical success.
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Affiliation(s)
- Jared A Delmar
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD 20878, USA
| | - Eugen Buehler
- Data Sciences and AI, R&D, AstraZeneca, Gaithersburg, MD 20878, USA
| | - Ashwin K Chetty
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06520, USA
| | - Agastya Das
- Khoury College of Computer Sciences, Northeastern University, Boston, MA 02115, USA
| | | | - Jihong Wang
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD 20878, USA
| | - Xiaoyu Chen
- Biopharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, MD 20878, USA
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29
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Fully automated peptide mapping multi-attribute method by liquid chromatography-mass spectrometry with robotic liquid handling system. J Pharm Biomed Anal 2021; 198:113988. [PMID: 33676166 DOI: 10.1016/j.jpba.2021.113988] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 02/02/2021] [Accepted: 02/20/2021] [Indexed: 11/20/2022]
Abstract
The multi-attribute method (MAM) based on liquid chromatography (LC)-tandem mass spectrometry is emerging as a powerful tool to directly monitor multiple product quality attributes simultaneously. To better implement MAM, either for product characterization or for quality control (QC), there is a need for a robust, universal, and high-throughput workflow that can be broadly adopted in different laboratories with minimal barriers to implementation. Manual preparation of samples for MAM, however, is labor intensive and produces nontrivial variations across analysts and laboratories. We describe the development of a fully automated peptide mapping procedure with a high-throughput robotic liquid handling system to improve sample handling capacity and outcome reproducibility while saving analyst hands-on time. Our procedure features the automation of a "microdialysis" step, an efficient desalting approach prior to proteolytic digestion that optimizes digestion completeness and consistency each time. The workflow is completely hands-free and requires the analyst only to pre-normalize the sample concentrations and to load buffers and reagents at their designated positions on the robotic deck. The robotic liquid handler performs all the subsequent preparation steps and stores the digested samples on a chiller unit to await retrieval for further analysis. We also demonstrate that the manual and automated procedures are comparable with regard to protein sequence coverage, digestion completeness and consistency, and quantification of posttranslational modifications. Notably, in contrast to a previously reported automated sample preparation protocol that relied on customized accessories, all components in our automation procedure are commercial products that are readily available. In addition, we also present the high-throughput data analysis workflow by using Protein Metrics. The automation procedure can be applied cross-functionally in the biopharmaceutical industry and, given its practicality and reproducibility, can pave the way for MAM implementation in QC laboratories.
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30
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Ko S, Jo M, Jung ST. Recent Achievements and Challenges in Prolonging the Serum Half-Lives of Therapeutic IgG Antibodies Through Fc Engineering. BioDrugs 2021; 35:147-157. [PMID: 33608823 PMCID: PMC7894971 DOI: 10.1007/s40259-021-00471-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2021] [Indexed: 01/02/2023]
Abstract
Association of FcRn molecules to the Fc region of IgG in acidified endosomes and subsequent dissociation of the interaction in neutral pH serum enables IgG molecules to be recycled for prolonged serum persistence after internalization by endothelial cells, rather than being degraded in the serum and in the lysosomes inside the cells. Exploiting this intracellular trafficking and recycling mechanism, many researchers have engineered the Fc region to further extend the serum half-lives of therapeutic antibodies by optimizing the pH-dependent IgG Fc-FcRn interaction, and have generated various Fc variants exhibiting significantly improved circulating half-lives of therapeutic IgG antibodies. In order to estimate pharmacokinetic profiles of IgG Fc variants in human serum, not only a variety of in vitro techniques to determine the equilibrium binding constants and instantaneous rate constants for pH-dependent FcRn binding, but also diverse in vivo animal models including wild-type mouse, human FcRn transgenic mouse (Tg32 and Tg276), humanized mouse (Scarlet), or cynomolgus monkey have been harnessed. Currently, multiple IgG Fc variants that have been validated for their prolonged therapeutic potency in preclinical models have been successfully entered into human clinical trials for cancer, infectious diseases, and autoimmune diseases.
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Affiliation(s)
- Sanghwan Ko
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea.,Institute of Human Genetics, Korea University College of Medicine, Seoul, Republic of Korea
| | - Migyeong Jo
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea.,BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea
| | - Sang Taek Jung
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea. .,Institute of Human Genetics, Korea University College of Medicine, Seoul, Republic of Korea. .,BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea. .,Department of Biomedical Sciences, Graduate School, Korea University, Seoul, Republic of Korea. .,Biomedical Research Center, Korea University Anam Hospital, Seoul, Republic of Korea.
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31
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Abstract
Monoclonal antibodies are proteinaceous in nature and are subject to instability issues. Stability testing of monoclonal antibodies is a critical regulatory requirement in their development and commercialization as therapeutic biological molecules. This article reviews the numerous drug manufacturing processes such as: upstream processing, downstream purification and aseptic filling along with physical and chemical factors such as protein concentration, structure, pH, temperature, light, agitation, deamidation, oxidation, glycation leading to instabilities in monoclonal antibodies and it spotlights the variety of analytical techniques employed to investigate and generate information on stability studies and henceforth, helps in developing the stability-indicating methods. In addition, this paper aims to discuss the ICH regulatory guideline (s) for the stability assessment of biological products (Drug Substance and Drug Product).
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Affiliation(s)
- Harleen Kaur
- Analytical Sciences, Aurobindo Biologics, Hyderabad, India
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32
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Ruesch MN, Benetti L, Berkay E, Cirelli DJ, Frantz N, Gastens MH, Kelley WP, Kretsinger J, Lewis M, Novick S, Rellahan B, Pack L, Stroop CJM, Subashi A, Yin P, Zeng M, Stults J. Strategies for Setting Patient-Centric Commercial Specifications for Biotherapeutic Products. J Pharm Sci 2020; 110:771-784. [PMID: 33035537 DOI: 10.1016/j.xphs.2020.09.048] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 09/30/2020] [Accepted: 09/30/2020] [Indexed: 12/28/2022]
Abstract
Commercial specifications for a new biotherapeutic product are a critical component of the product's overall control strategy that ensures safety and efficacy. This paper describes strategies for setting commercial specifications as proposed by a consortium of industry development scientists. The specifications for some attributes are guided by compendia and regulatory guidance. For other product quality attributes (PQAs), product knowledge and the understanding of attribute criticality built throughout product development should drive specification setting. The foundation of PQA knowledge is an understanding of potential patient impact through an assessment of potency, PK, immunogenicity and safety. In addition to PQA knowledge, the ability of the manufacturing process to consistently meet specifications, typically assessed through statistical analyses, is an important consideration in the specification-setting process. Setting acceptance criteria that are unnecessarily narrow can impact the ability to supply product or prohibit consideration of future convenient dosage forms. Patient-centric specifications enable appropriate control over higher risk PQAs to ensure product quality for the patient, and flexibility for lower risk PQAs for a sustainable supply chain. This paper captures common strategic approaches for setting specifications for standard biotherapeutic products such as monoclonal antibodies and includes considerations for ensuring specifications are patient centric.
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Affiliation(s)
- Margaret N Ruesch
- Worldwide Research, Development and Medical, Pfizer Inc., Andover, MA 01810, USA.
| | | | | | - David J Cirelli
- Worldwide Research, Development and Medical, Pfizer Inc., Andover, MA 01810, USA
| | - Neha Frantz
- Biogen, Research Triangle Park, NC 27709, USA
| | | | - Wayne P Kelley
- Pharma Research & Development, GlaxoSmithKline, King of Prussia, PA 19406, USA
| | - Juliana Kretsinger
- Bioproduct Analytical Development, Eli Lilly and Company, Indianapolis, IN 46285, USA
| | - Mike Lewis
- Janssen R&D, LLC, Malvern, PA 19355, USA
| | - Shawn Novick
- BioPhia Consulting, Inc., Lake Forest, IL 60045, USA
| | | | - Laura Pack
- Product Quality, Seagen, Bothell, WA 98021, USA
| | | | - Ann Subashi
- Global Product Development, Pfizer Inc., Groton, CT, USA
| | - Ping Yin
- Global Regulatory Affairs, Vertex Pharmaceuticals, Boston, MA 02210, USA
| | - Ming Zeng
- Parenteral Science & Technology, Bristol-Myers Squibb Company, New Brunswick, NJ 08903, USA
| | - John Stults
- Genentech, Inc., South San Francisco, CA 94080, USA.
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33
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Duivelshof BL, Murisier A, Camperi J, Fekete S, Beck A, Guillarme D, D'Atri V. Therapeutic Fc-fusion proteins: Current analytical strategies. J Sep Sci 2020; 44:35-62. [PMID: 32914936 DOI: 10.1002/jssc.202000765] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/27/2020] [Accepted: 09/07/2020] [Indexed: 12/13/2022]
Abstract
Fc-Fusion proteins represent a successful class of biopharmaceutical products, with already 13 drugs approved in the European Union and United States as well as three biosimilar versions of etanercept. Fc-Fusion products combine tailored pharmacological properties of biological ligands, together with multiple functions of the fragment crystallizable domain of immunoglobulins. There is a great diversity in terms of possible biological ligands, including the extracellular domains of natural receptors, functionally active peptides, recombinant enzymes, and genetically engineered binding constructs acting as cytokine traps. Due to their highly diverse structures, the analytical characterization of Fc-Fusion proteins is far more complex than that of monoclonal antibodies and requires the use and development of additional product-specific methods over conventional generic/platform methods. This can be explained, for example, by the presence of numerous sialic acids, leading to high diversity in terms of isoelectric points and complex glycosylation profiles including multiple N- and O-linked glycosylation sites. In this review, we highlight the wide range of analytical strategies used to fully characterize Fc-fusion proteins. We also present case studies on the structural assessment of all commercially available Fc-fusion proteins, based on the features and critical quality attributes of their ligand-binding domains.
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Affiliation(s)
- Bastiaan L Duivelshof
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), University of Geneva, Geneva, Switzerland
| | - Amarande Murisier
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), University of Geneva, Geneva, Switzerland
| | - Julien Camperi
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), University of Geneva, Geneva, Switzerland
| | - Szabolcs Fekete
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), University of Geneva, Geneva, Switzerland
| | - Alain Beck
- IRPF - Centre d'Immunologie Pierre-Fabre (CIPF), Saint-Julien-en-Genevois, France
| | - Davy Guillarme
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), University of Geneva, Geneva, Switzerland
| | - Valentina D'Atri
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), University of Geneva, Geneva, Switzerland
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34
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Hinterholzer A, Stanojlovic V, Regl C, Huber CG, Cabrele C, Schubert M. Identification and Quantification of Oxidation Products in Full-Length Biotherapeutic Antibodies by NMR Spectroscopy. Anal Chem 2020; 92:9666-9673. [PMID: 32530275 PMCID: PMC7467420 DOI: 10.1021/acs.analchem.0c00965] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
![]()
Therapeutic
proteins are an indispensable class of drugs and often
therapeutics of last resort. They are sensitive to oxidation, which
is of critical concern, because it can affect drug safety and efficacy.
Protein oxidation, with methionine and tryptophan as the most susceptible
moieties, is mainly monitored by HPLC–MS techniques. However,
since several oxidation products display the same mass difference,
their identification by MS is often ambiguous. Therefore, an alternative
analytical method able to unambiguously identify and, ideally, also
quantify oxidation species in proteins is highly desired. Here, we
present an NMR-based approach to monitor oxidation in full-length
proteins under denaturing conditions, as demonstrated on two biotherapeutic
monoclonal antibodies (mAbs). We show that methionine sulfoxide, methionine
sulfone, N-formylkynurenine, kynurenine, oxindolylalanine,
hydroxypyrroloindole, and 5-hydroxytryptophan result in characteristic
chemical shift correlations suited for their identification and quantification.
We identified the five most abundant oxidation products in forced
degradation studies of two full-length therapeutic mAbs and can also
unambiguously distinguish oxindolylalanine from 5-hydroxytryptophan,
which are undistinguishable by MS due to the same mass shift. Quantification
of the abundant methionine sulfoxide by NMR and MS gave highly comparable
values. These results underline the suitability of NMR spectroscopy
for the identification and quantification of critical quality attributes
of biotherapeutics.
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Affiliation(s)
- Arthur Hinterholzer
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Strasse 34, 5020 Salzburg, Austria.,Department of Biosciences, University of Salzburg, Billrothstrasse 11, 5020 Salzburg, Austria
| | - Vesna Stanojlovic
- Department of Biosciences, University of Salzburg, Billrothstrasse 11, 5020 Salzburg, Austria
| | - Christof Regl
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Strasse 34, 5020 Salzburg, Austria.,Department of Biosciences, University of Salzburg, Billrothstrasse 11, 5020 Salzburg, Austria
| | - Christian G Huber
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Strasse 34, 5020 Salzburg, Austria.,Department of Biosciences, University of Salzburg, Billrothstrasse 11, 5020 Salzburg, Austria
| | - Chiara Cabrele
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Strasse 34, 5020 Salzburg, Austria.,Department of Biosciences, University of Salzburg, Billrothstrasse 11, 5020 Salzburg, Austria
| | - Mario Schubert
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Strasse 34, 5020 Salzburg, Austria.,Department of Biosciences, University of Salzburg, Billrothstrasse 11, 5020 Salzburg, Austria
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35
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Elledge SK, Tran HL, Christian AH, Steri V, Hann B, Toste FD, Chang CJ, Wells JA. Systematic identification of engineered methionines and oxaziridines for efficient, stable, and site-specific antibody bioconjugation. Proc Natl Acad Sci U S A 2020; 117:5733-5740. [PMID: 32123103 PMCID: PMC7084160 DOI: 10.1073/pnas.1920561117] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The field of chemical modification of proteins has been dominated by random modification of lysines or more site-specific labeling of cysteines, each with attendant challenges. Recently, we have developed oxaziridine chemistry for highly selective modification of methionine called redox-activated chemical tagging (ReACT) but have not broadly tested the molecular parameters for efficient and stable protein modification. Here we systematically scanned methionines throughout one of the most popular antibody scaffolds, trastuzumab, used for antibody engineering and drug conjugation. We tested the expression, reactivities, and stabilities of 123 single engineered methionines distributed over the surface of the antibody when reacted with oxaziridine. We found uniformly high expression for these mutants and excellent reaction efficiencies with a panel of oxaziridines. Remarkably, the stability to hydrolysis of the sulfimide varied more than 10-fold depending on temperature and the site of the engineered methionine. Interestingly, the most stable and reactive sites were those that were partially buried, presumably because of their reduced access to water. There was also a 10-fold variation in stability depending on the nature of the oxaziridine, which was determined to be inversely correlated with the electrophilic nature of the sulfimide. Importantly, the stabilities of the best analogs were sufficient to support their use as antibody drug conjugates and potent in a breast cancer mouse xenograft model over a month. These studies provide key parameters for broad application of ReACT for efficient, stable, and site-specific antibody and protein bioconjugation to native or engineered methionines.
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Affiliation(s)
- Susanna K Elledge
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158
| | - Hai L Tran
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158
| | - Alec H Christian
- Department of Chemistry, University of California, Berkeley, CA 94720
| | - Veronica Steri
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94158
- Preclinical Therapeutics Core, University of California, San Francisco, CA 94158
| | - Byron Hann
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94158
- Preclinical Therapeutics Core, University of California, San Francisco, CA 94158
| | - F Dean Toste
- Department of Chemistry, University of California, Berkeley, CA 94720
| | - Christopher J Chang
- Department of Chemistry, University of California, Berkeley, CA 94720
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720
- Howard Hughes Medical Institute, University of California, Berkeley, CA 94720
| | - James A Wells
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158;
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA 94158
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36
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Radical rearrangement and transfer reactions in proteins. Essays Biochem 2020; 64:87-96. [PMID: 31922197 DOI: 10.1042/ebc20190046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/16/2019] [Accepted: 12/19/2019] [Indexed: 12/29/2022]
Abstract
Radical rearrangement and transfer reactions play an important role in the chemical modifications of proteins in vivo and in vitro. These reactions depend on protein sequence, as well as structure and dynamics. Frequently, these reactions have well-defined precedents in the organic chemistry literature, but their occurrence in proteins provides a stage for a number of novel and, perhaps, unexpected reaction products. This essay will provide an overview over a few representative examples of radical rearrangement and transfer reactions.
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37
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Stelter S, Paul MJ, Teh AY, Grandits M, Altmann F, Vanier J, Bardor M, Castilho A, Allen RL, Ma JK. Engineering the interactions between a plant-produced HIV antibody and human Fc receptors. PLANT BIOTECHNOLOGY JOURNAL 2020; 18:402-414. [PMID: 31301102 PMCID: PMC6953194 DOI: 10.1111/pbi.13207] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 06/13/2019] [Accepted: 07/09/2019] [Indexed: 05/03/2023]
Abstract
Plants can provide a cost-effective and scalable technology for production of therapeutic monoclonal antibodies, with the potential for precise engineering of glycosylation. Glycan structures in the antibody Fc region influence binding properties to Fc receptors, which opens opportunities for modulation of antibody effector functions. To test the impact of glycosylation in detail, on binding to human Fc receptors, different glycovariants of VRC01, a broadly neutralizing HIV monoclonal antibody, were generated in Nicotiana benthamiana and characterized. These include glycovariants lacking plant characteristic α1,3-fucose and β1,2-xylose residues and glycans extended with terminal β1,4-galactose. Surface plasmon resonance-based assays were established for kinetic/affinity evaluation of antibody-FcγR interactions, and revealed that antibodies with typical plant glycosylation have a limited capacity to engage FcγRI, FcγRIIa, FcγRIIb and FcγRIIIa; however, the binding characteristics can be restored and even improved with targeted glycoengineering. All plant-made glycovariants had a slightly reduced affinity to the neonatal Fc receptor (FcRn) compared with HEK cell-derived antibody. However, this was independent of plant glycosylation, but related to the oxidation status of two methionine residues in the Fc region. This points towards a need for process optimization to control oxidation levels and improve the quality of plant-produced antibodies.
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Affiliation(s)
- Szymon Stelter
- Hotung Molecular Immunology UnitInstitute for Infection and ImmunitySt George's University of LondonLondonUK
- Present address:
Crescendo Biologics LtdMeditrina Building 260Babraham Research CampusCambridgeCB22 3ATUK
| | - Mathew J. Paul
- Hotung Molecular Immunology UnitInstitute for Infection and ImmunitySt George's University of LondonLondonUK
| | - Audrey Y.‐H. Teh
- Hotung Molecular Immunology UnitInstitute for Infection and ImmunitySt George's University of LondonLondonUK
| | - Melanie Grandits
- Hotung Molecular Immunology UnitInstitute for Infection and ImmunitySt George's University of LondonLondonUK
| | - Friedrich Altmann
- Division of BiochemistryUniversity of Natural Resources and Life SciencesViennaAustria
| | - Jessica Vanier
- UNIROUENLaboratoire Glycobiologie et Matrice Extracellulaire Végétale EANormandie UnivRouenFrance
| | - Muriel Bardor
- UNIROUENLaboratoire Glycobiologie et Matrice Extracellulaire Végétale EANormandie UnivRouenFrance
- Institut Universitaire de France (I.U.F.)Paris Cedex 05France
| | - Alexandra Castilho
- Department of Applied Genetics and Cell BiologyUniversity of Natural Resources and Life SciencesViennaAustria
| | - Rachel Louise Allen
- Institute for Infection and ImmunitySt George's University of LondonLondonUK
| | - Julian K‐C. Ma
- Hotung Molecular Immunology UnitInstitute for Infection and ImmunitySt George's University of LondonLondonUK
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38
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Assessing localized conformational stability of antibody-drug conjugate by protein conformation assay. J Pharm Biomed Anal 2019; 179:113020. [PMID: 31835127 DOI: 10.1016/j.jpba.2019.113020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 11/25/2019] [Accepted: 11/28/2019] [Indexed: 11/20/2022]
Abstract
Antibody-drug conjugates (ADCs) are a class of attractive therapeutic agents to fight cancer with conjugation of potent chemical agents on target-selective antibodies. The conceptually elegant approach has encountered mounting practical challenges in combining the mAb and potent drug while maintaining the conformational and physiochemical stability of the bioconjugates. The attachment of hydrophobic drug-linker with antibody could potentially alter the antibody conformational scaffold, locally or globally. Here we propose to use a protein conformation assay (PCA) to measure the higher-order structure of antibodies upon drug-linker conjugation. The PCA analysis provides insights into the formation of partially unfolded ADCs, which may correlate with protein stability and aggregation propensity. To further elucidate the cause of the unfolding events, in-depth peptide mapping combined with the PCA conformational footprints were performed on a commercial ADC trastuzumab emtansine in this study. The locally altered conformational hot-spots observed in PCA matched with conjugation sites with high occupancy rate identified in peptide mapping. In summary, by combining PCA and in-depth peptide mapping, a snapshot of ADC structural conformation and stability profile could be obtained and provide a swift and convenient measurement of the 'fitness' of ADC to facilitate payload selection, conjugation process development and early predictive developability assessment.
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39
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Griaud F, Denefeld B, Kao-Scharf CY, Dayer J, Lang M, Chen JY, Berg M. All Ion Differential Analysis Refines the Detection of Terminal and Internal Diagnostic Fragment Ions for the Characterization of Biologics Product-Related Variants and Impurities by Middle-down Mass Spectrometry. Anal Chem 2019; 91:8845-8852. [DOI: 10.1021/acs.analchem.8b05886] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- François Griaud
- Analytical Development and Characterization, Biopharmaceutical Product and Process Development, Technical Research and Development, Novartis Pharma AG, WKL693.3.20, Postfach, CH-4002, Basel, Switzerland
| | - Blandine Denefeld
- Analytical Development and Characterization, Biopharmaceutical Product and Process Development, Technical Research and Development, Novartis Pharma AG, WKL693.3.20, Postfach, CH-4002, Basel, Switzerland
| | - Chi-Ya Kao-Scharf
- Analytical Development and Characterization, Biopharmaceutical Product and Process Development, Technical Research and Development, Novartis Pharma AG, WKL693.3.20, Postfach, CH-4002, Basel, Switzerland
| | - Jérôme Dayer
- Analytical Development and Characterization, Biopharmaceutical Product and Process Development, Technical Research and Development, Novartis Pharma AG, WKL693.3.20, Postfach, CH-4002, Basel, Switzerland
| | - Manuel Lang
- Analytical Development and Characterization, Biopharmaceutical Product and Process Development, Technical Research and Development, Novartis Pharma AG, WKL693.3.20, Postfach, CH-4002, Basel, Switzerland
| | - Jian-You Chen
- Analytical Development and Characterization, Biopharmaceutical Product and Process Development, Technical Research and Development, Novartis Pharma AG, WKL693.3.20, Postfach, CH-4002, Basel, Switzerland
| | - Matthias Berg
- Analytical Development and Characterization, Biopharmaceutical Product and Process Development, Technical Research and Development, Novartis Pharma AG, WKL693.3.20, Postfach, CH-4002, Basel, Switzerland
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40
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Evans AR, Capaldi MT, Goparaju G, Colter D, Shi FF, Aubert S, Li LC, Mo J, Lewis MJ, Hu P, Alfonso P, Mehndiratta P. Using bispecific antibodies in forced degradation studies to analyze the structure-function relationships of symmetrically and asymmetrically modified antibodies. MAbs 2019; 11:1101-1112. [PMID: 31161859 PMCID: PMC6748611 DOI: 10.1080/19420862.2019.1618675] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Forced degradation experiments of monoclonal antibodies (mAbs) aid in the identification of critical quality attributes (CQAs) by studying the impact of post-translational modifications (PTMs), such as oxidation, deamidation, glycation, and isomerization, on biological functions. Structure-function characterization of mAbs can be used to identify the PTM CQAs and develop appropriate analytical and process controls. However, the interpretation of forced degradation results can be complicated because samples may contain mixtures of asymmetrically and symmetrically modified mAbs with one or two modified chains. We present a process to selectively create symmetrically and asymmetrically modified antibodies for structure-function characterization using the bispecific DuoBody® platform. Parental molecules mAb1 and mAb2 were first stressed with peracetic acid to induce methionine oxidation. Bispecific antibodies were then prepared from a mixture of oxidized or unoxidized parental mAbs by a controlled Fab-arm exchange process. This process was used to systematically prepare four bispecific mAb products: symmetrically unoxidized, symmetrically oxidized, and both combinations of asymmetrically oxidized bispecific mAbs. Results of this study demonstrated chain-independent, 1:2 stoichiometric binding of the mAb Fc region to both FcRn receptor and to Protein A. The approach was also applied to create asymmetrically deamidated mAbs at the asparagine 330 residue. Results of this study support the proposed 1:1 stoichiometric binding relationship between the FcγRIIIa receptor and the mAb Fc. This approach should be generally applicable to study the potential impact of any modification on biological function.
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Affiliation(s)
- Adam R Evans
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Michael T Capaldi
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Geetha Goparaju
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - David Colter
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Frank F Shi
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Sarah Aubert
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Lian-Chao Li
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Jingjie Mo
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Michael J Lewis
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Ping Hu
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Pedro Alfonso
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA
| | - Promod Mehndiratta
- a Discovery and Manufacturing Sciences, Janssen Research and Development, LLC , Malvern , PA , USA.,b Analytical Development, Biologics Research and Development, Celgene Corporation , Summit , NJ , USA
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41
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Differentiating the Effects of Oxidative Stress Tests on Biopharmaceuticals. Pharm Res 2019; 36:103. [DOI: 10.1007/s11095-019-2627-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 04/10/2019] [Indexed: 02/05/2023]
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42
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Buecheler JW, Winzer M, Weber C, Gieseler H. Oxidation-Induced Destabilization of Model Antibody-Drug Conjugates. J Pharm Sci 2019; 108:1236-1245. [DOI: 10.1016/j.xphs.2018.10.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 10/01/2018] [Accepted: 10/22/2018] [Indexed: 11/25/2022]
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Ishii-Watabe A, Kuwabara T. Biosimilarity assessment of biosimilar therapeutic monoclonal antibodies. Drug Metab Pharmacokinet 2019; 34:64-70. [DOI: 10.1016/j.dmpk.2018.11.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/27/2018] [Accepted: 11/28/2018] [Indexed: 12/11/2022]
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Vance N, Zacharias N, Ultsch M, Li G, Fourie A, Liu P, LaFrance-Vanasse J, Ernst JA, Sandoval W, Kozak KR, Phillips G, Wang W, Sadowsky J. Development, Optimization, and Structural Characterization of an Efficient Peptide-Based Photoaffinity Cross-Linking Reaction for Generation of Homogeneous Conjugates from Wild-Type Antibodies. Bioconjug Chem 2018; 30:148-160. [DOI: 10.1021/acs.bioconjchem.8b00809] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Nicholas Vance
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Neelie Zacharias
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Mark Ultsch
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Guangmin Li
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Aimee Fourie
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Peter Liu
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Julien LaFrance-Vanasse
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - James A. Ernst
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Wendy Sandoval
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Katherine R. Kozak
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Gail Phillips
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Weiru Wang
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jack Sadowsky
- Research & Early Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
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Effect of Peroxide- Versus Alkoxyl-Induced Chemical Oxidation on the Structure, Stability, Aggregation, and Function of a Therapeutic Monoclonal Antibody. J Pharm Sci 2018; 107:2789-2803. [DOI: 10.1016/j.xphs.2018.07.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 06/25/2018] [Accepted: 07/24/2018] [Indexed: 11/22/2022]
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Zhuang Y, Chen D, Sharma A, Xu Z. Risk-Based Comparability Assessment for Monoclonal Antibodies During Drug Development: A Clinical Pharmacology Perspective. AAPS JOURNAL 2018; 20:109. [PMID: 30324224 DOI: 10.1208/s12248-018-0268-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 09/19/2018] [Indexed: 02/06/2023]
Abstract
Due to complexities in the structure, function, and manufacturing process of antibody-based therapeutic proteins, comparability assessment for supporting manufacturing changes can sometimes be a challenging task. Regulatory guidance recommends a hierarchical risk-based approach, starting with Chemistry, Manufacturing, and Controls (CMC) analytical characterizations, followed by non-clinical and/or clinical studies to ensure that any potential changes in quality attributes have no adverse impact on efficacy and safety of the product. This review focuses on the changes in quality attributes which may potentially affect the pharmacokinetics (PK), pharmacodynamics (PD), and immunogenicity of a monoclonal antibody (mAb) product, and provides general guidelines in designing non-clinical and clinical PK/PD studies to help support comparability assessments. A decision tree for comparability assessment is proposed depending on the nature of the changes in quality attributes, the potential impact of such changes, and the timing of the manufacturing change relative to the development process. Ideally, the optimization of manufacturing process should take place in the early stage of drug development (i.e., preclinical to phase 2a) as more stringent comparability criteria would have to be met if manufacturing changes occur in the late stage of drug development (i.e., phase 2b and after), and consequently, major changes in manufacturing process should be avoided during confirmatory phase 3 studies and post-approval of drug products.
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Affiliation(s)
- Yanli Zhuang
- Global Clinical Pharmacology, Janssen Research & Development, LLC, 1400 McKean Road, Spring House, Pennsylvania, 19477, USA
| | - Di Chen
- Statistics and Decision Sciences, Janssen Research & Development, LLC, 1400 McKean Road, Spring House, Pennsylvania, 19477, USA
| | - Amarnath Sharma
- Global Clinical Pharmacology, Janssen Research & Development, LLC, 1400 McKean Road, Spring House, Pennsylvania, 19477, USA
| | - Zhenhua Xu
- Global Clinical Pharmacology, Janssen Research & Development, LLC, 1400 McKean Road, Spring House, Pennsylvania, 19477, USA.
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Dion MZ, Leiske D, Sharma VK, Zuch de Zafra CL, Salisbury CM. Mitigation of Oxidation in Therapeutic Antibody Formulations: a Biochemical Efficacy and Safety Evaluation of N-Acetyl-Tryptophan and L-Methionine. Pharm Res 2018; 35:222. [PMID: 30280329 DOI: 10.1007/s11095-018-2467-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 07/30/2018] [Indexed: 12/15/2022]
Abstract
PURPOSE Biotherapeutics can be susceptible to oxidation during manufacturing and storage. Free L-methionine is known to protect methionine residues in proteins from oxidation. Similarly, free tryptophan and other indole derivatives have been shown to protect tryptophan residues from oxidation. N-acetyl-DL-tryptophan was previously identified as a potentially superior antioxidant to tryptophan as it has a lower oxidation potential and produces less peroxide upon light exposure. This study sought to confirm the antioxidant efficacy and safety of N-acetyl-DL-tryptophan and L-methionine as formulation components for biotherapeutic drugs. METHODS Antibodies were subjected to AAPH and light exposure in the presence of N-acetyl-DL-tryptophan and L-methionine. Oxidation in relevant CDR and Fc residues was quantified by peptide map. In silico, in vitro, and in vivo studies were performed to evaluate the safety of N-acetyl-DL-tryptophan and L-methionine. RESULTS Peptide mapping demonstrated that N-acetyl-DL-tryptophan was effective at protecting tryptophans from AAPH stress, and that the combination of N-acetyl-DL-tryptophan and L-methionine protected both tryptophan and methionine from AAPH stress. The safety assessment suggested an acceptable safety profile for both excipients. CONCLUSIONS N-acetyl-tryptophan and L-methionine effectively reduce the oxidation of susceptible tryptophan and methionine residues in antibodies and are safe for use in parenteral biotherapeutic formulations.
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Affiliation(s)
- Michelle Z Dion
- Early Stage Pharmaceutical Development, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA
| | - Danielle Leiske
- Early Stage Pharmaceutical Development, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA
- Seattle Genetics, Bothell, Washington, USA
| | - Vikas K Sharma
- Late Stage Pharmaceutical Development, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA
| | - Christina L Zuch de Zafra
- Safety Assessment, Genentech, Inc., 1 DNA Way, South San Francisco, California, 94080, USA.
- Amgen, South San Francisco, California, USA.
| | - Cleo M Salisbury
- Early Stage Pharmaceutical Development, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA.
- Protein Analytical Chemistry, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA.
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Háda V, Bagdi A, Bihari Z, Timári SB, Fizil Á, Szántay C. Recent advancements, challenges, and practical considerations in the mass spectrometry-based analytics of protein biotherapeutics: A viewpoint from the biosimilar industry. J Pharm Biomed Anal 2018; 161:214-238. [PMID: 30205300 DOI: 10.1016/j.jpba.2018.08.024] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 08/08/2018] [Accepted: 08/10/2018] [Indexed: 01/22/2023]
Abstract
The extensive analytical characterization of protein biotherapeutics, especially of biosimilars, is a critical part of the product development and registration. High-resolution mass spectrometry became the primary analytical tool used for the structural characterization of biotherapeutics. Its high instrumental sensitivity and methodological versatility made it possible to use this technique to characterize both the primary and higher-order structure of these proteins. However, even by using high-end instrumentation, analysts face several challenges with regard to how to cope with industrial and regulatory requirements, that is, how to obtain accurate and reliable analytical data in a time- and cost-efficient way. New sample preparation approaches, measurement techniques and data evaluation strategies are available to meet those requirements. The practical considerations of these methods are discussed in the present review article focusing on hot topics, such as reliable and efficient sequencing strategies, minimization of artefact formation during sample preparation, quantitative peptide mapping, the potential of multi-attribute methodology, the increasing role of mass spectrometry in higher-order structure characterization and the challenges of MS-based identification of host cell proteins. On the basis of the opportunities in new instrumental techniques, methodological advancements and software-driven data evaluation approaches, for the future one can envision an even wider application area for mass spectrometry in the biopharmaceutical industry.
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Affiliation(s)
- Viktor Háda
- Analytical Department of Biotechnology, Gedeon Richter Plc, Hungary.
| | - Attila Bagdi
- Analytical Department of Biotechnology, Gedeon Richter Plc, Hungary
| | - Zsolt Bihari
- Analytical Department of Biotechnology, Gedeon Richter Plc, Hungary
| | | | - Ádám Fizil
- Analytical Department of Biotechnology, Gedeon Richter Plc, Hungary
| | - Csaba Szántay
- Spectroscopic Research Department, Gedeon Richter Plc, Hungary.
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Effect of photo-degradation on the structure, stability, aggregation, and function of an IgG1 monoclonal antibody. Int J Pharm 2018; 547:438-449. [DOI: 10.1016/j.ijpharm.2018.06.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Revised: 05/31/2018] [Accepted: 06/04/2018] [Indexed: 11/18/2022]
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50
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Kashi L, Yandrofski K, Preston RJ, Arbogast LW, Giddens JP, Marino JP, Schiel JE, Kelman Z. Heterologous recombinant expression of non-originator NISTmAb. MAbs 2018; 10:922-933. [PMID: 29958062 PMCID: PMC6152460 DOI: 10.1080/19420862.2018.1486355] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The successful development and regulatory approval of originator and biosimilar therapeutic proteins requires a systems approach to upstream and downstream processing as well as product characterization and quality control. Innovation in process design and control, product characterization strategies, and data integration represent an ecosystem whose concerted advancement may reduce time-to-market and further improve comparability and biosimilarity programs. The biopharmaceutical community has made great strides to this end, yet there currently exists no pre-competitive monoclonal antibody (mAb) expression platform for open innovation. Here, we describe the development and initial expression of an intended copy of the NISTmAb using three non-originator murine cell lines. It was found that, without optimization and in culture flasks, all three cell lines produce approximately 100 mg mAb per liter of culture. Sodium dodecyl sulfate polyacrylamide gel electrophoresis, size-exclusion chromatography, nuclear magnetic resonance spectroscopy, intact mass spectrometry, and surface plasmon resonance were used to demonstrate that the products of all three cell lines embody quality attributes with a sufficient degree of sameness to the NISTmAb Reference Material 8671 to warrant further bioreactor studies, process improvements and optimization. The implications of the work with regard to pre-competitive innovation to support process design and feedback control, comparability and biosimilarity assessments, and process analytical technologies are discussed.
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Affiliation(s)
- Lila Kashi
- a Biomolecular Labeling Laboratory , National Institute of Standards and Technology and Institute for Bioscience and Biotechnology Research, University of Maryland , Rockville , MD , USA
| | - Katharina Yandrofski
- b National Institute of Standards and Technology , Institute for Bioscience and Biotechnology Research , Rockville , MD , USA
| | - Renae J Preston
- a Biomolecular Labeling Laboratory , National Institute of Standards and Technology and Institute for Bioscience and Biotechnology Research, University of Maryland , Rockville , MD , USA
| | - Luke W Arbogast
- b National Institute of Standards and Technology , Institute for Bioscience and Biotechnology Research , Rockville , MD , USA
| | - John P Giddens
- b National Institute of Standards and Technology , Institute for Bioscience and Biotechnology Research , Rockville , MD , USA
| | - John P Marino
- b National Institute of Standards and Technology , Institute for Bioscience and Biotechnology Research , Rockville , MD , USA
| | - John E Schiel
- b National Institute of Standards and Technology , Institute for Bioscience and Biotechnology Research , Rockville , MD , USA
| | - Zvi Kelman
- a Biomolecular Labeling Laboratory , National Institute of Standards and Technology and Institute for Bioscience and Biotechnology Research, University of Maryland , Rockville , MD , USA
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