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Kumar G, Ardekani AM. Concentration-Dependent Diffusion of Monoclonal Antibodies: Underlying Mechanisms of Anomalous Diffusion. Mol Pharm 2024; 21:2212-2222. [PMID: 38572979 DOI: 10.1021/acs.molpharmaceut.3c00973] [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] [Indexed: 04/05/2024]
Abstract
The development, storage, transport, and subcutaneous delivery of highly concentrated monoclonal antibody formulations pose significant challenges due to the high solution viscosity and low diffusion of the antibody molecules in crowded environments. These issues often stem from the self-associating behavior of the antibody molecules, potentially leading to aggregation. In this work, we used a dissipative particle dynamics-based coarse-grained model to investigate the diffusion behavior of IgG1 antibody molecules in aqueous solutions with 15 and 32 mM NaCl and antibody concentrations ranging from 10 to 400 mg/mL. We determined the coarse-grained interaction parameters by matching the calculated structure factor with the computational and experimental data from the literature. Our results indicate Fickian diffusion for antibody concentrations of 10 and 25 mg/mL and anomalous diffusion for concentrations exceeding 50 mg/mL. The anomalous diffusion was observed for ∼0.33 to 0.4 μs, followed by Fickian diffusion for all antibody concentrations. We observed a strong linear correlation between the diffusion behavior of the antibody molecules (diffusion coefficient D and anomalous diffusion exponent α) and the amount of aggregates present in the solution and between the amount of aggregates and the Coulomb interaction energy. The investigation of underlying mechanisms for anomalous diffusion revealed that in crowded environments at high antibody concentrations, the attractive interaction between electrostatically complementary regions of the antibody molecules could further bring the neighboring molecules closer to one another, ultimately resulting in aggregate formation. Further, the Coulomb attraction can continue to draw more molecules together, forming larger aggregates.
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Affiliation(s)
- Gaurav Kumar
- School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Arezoo M Ardekani
- School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
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2
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Goldrick S, Alosert H, Lovelady C, Bond NJ, Senussi T, Hatton D, Klein J, Cheeks M, Turner R, Savery J, Farid SS. Next-generation cell line selection methodology leveraging data lakes, natural language generation and advanced data analytics. Front Bioeng Biotechnol 2023; 11:1160223. [PMID: 37342509 PMCID: PMC10277482 DOI: 10.3389/fbioe.2023.1160223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 05/22/2023] [Indexed: 06/23/2023] Open
Abstract
Cell line development is an essential stage in biopharmaceutical development that often lies on the critical path. Failure to fully characterise the lead clone during initial screening can lead to lengthy project delays during scale-up, which can potentially compromise commercial manufacturing success. In this study, we propose a novel cell line development methodology, referenced as CLD 4, which involves four steps enabling autonomous data-driven selection of the lead clone. The first step involves the digitalisation of the process and storage of all available information within a structured data lake. The second step calculates a new metric referenced as the cell line manufacturability index (MI CL) quantifying the performance of each clone by considering the selection criteria relevant to productivity, growth and product quality. The third step implements machine learning (ML) to identify any potential risks associated with process operation and relevant critical quality attributes (CQAs). The final step of CLD 4 takes into account the available metadata and summaries all relevant statistics generated in steps 1-3 in an automated report utilising a natural language generation (NLG) algorithm. The CLD 4 methodology was implemented to select the lead clone of a recombinant Chinese hamster ovary (CHO) cell line producing high levels of an antibody-peptide fusion with a known product quality issue related to end-point trisulfide bond (TSB) concentration. CLD 4 identified sub-optimal process conditions leading to increased levels of trisulfide bond that would not be identified through conventional cell line development methodologies. CLD 4 embodies the core principles of Industry 4.0 and demonstrates the benefits of increased digitalisation, data lake integration, predictive analytics and autonomous report generation to enable more informed decision making.
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Affiliation(s)
- Stephen Goldrick
- Department of Biochemical Engineering, University College London, London, United Kingdom
| | - Haneen Alosert
- Department of Biochemical Engineering, University College London, London, United Kingdom
| | - Clare Lovelady
- Cell Culture and Fermentation Science, Biopharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Nicholas J. Bond
- Analytical Sciences, Biopharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Tarik Senussi
- Cell Culture and Fermentation Science, Biopharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Diane Hatton
- Cell Culture and Fermentation Science, Biopharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - John Klein
- Data Science and Modelling, Biopharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Matthew Cheeks
- Cell Culture and Fermentation Science, Biopharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Richard Turner
- Purification Process Sciences, Biopharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - James Savery
- Data Science and Modelling, Biopharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Suzanne S. Farid
- Department of Biochemical Engineering, University College London, London, United Kingdom
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3
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Furuta RA, Yasui T, Minamitani T, Akiba H, Toyoda C, Tobita R, Yasui K, Aminaka R, Masaki M, Satake M. Development of a recombinant hepatitis B immunoglobulin derived from B cells collected from healthy individuals administered with hepatitis B virus vaccines: A feasibility study. Transfusion 2023. [PMID: 37119513 DOI: 10.1111/trf.17382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 04/09/2023] [Accepted: 04/10/2023] [Indexed: 05/01/2023]
Abstract
BACKGROUND In Japan, plasma with a high concentration of Hepatitis B Virus (HBV) antibodies for hepatitis B immunoglobulin (HBIG) is almost entirely imported. We aimed to produce recombinant HBIG by isolating immunoglobulin cDNAs against the HBV surface antigen (HBsAg). STUDY DESIGN AND METHODS B cells expressing HBsAg antibodies were obtained from blood center personnel who had been administered HB vaccine booster and then isolated by either an Epstein-Barr virus hybridoma or an antigen-specific memory B cell sorting method. Each cDNA of the heavy and light chains of the target antibody was cloned into an IgG1 expression vector and transfected into Expi293F cells to produce a recombinant monoclonal antibody (mAb), which was screened by ELISA and in vitro HBV neutralizing assays. The cross-reactivity of the mAbs to normal human molecules was evaluated by ELISA and immunohistochemistry. RESULTS Antibody cDNAs were cloned from 11 hybridoma cell lines and 204 HBsAg-bound memory B cells. Three of the resulting recombinant mAbs showed stronger neutralizing activity in vitro than the currently used HBIG. All three bind to the conformational epitope(s) of HBsAg but not to human DNA or cells. DISCUSSION We successfully isolated HBV-neutralizing monoclonal antibodies from B cells collected from healthy plasma donors boosted against the HBV. To obtain an alternative source for HBIG, HBV-neutralizing monoclonal antibodies from B cells collected from healthy plasma donors boosted against the HBV may be useful.
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Affiliation(s)
- Rika A Furuta
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, Tokyo, Japan
| | - Teruhito Yasui
- Laboratory of Infectious Diseases and Immunity, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan
| | - Takeharu Minamitani
- Laboratory of Infectious Diseases and Immunity, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan
- Toyama Prefectural Institute for Pharmaceutical Research, Toyama, Japan
| | - Hiroki Akiba
- Laboratory of Pharmacokinetic Optimization, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan
- Laboratory of Biopharmaceutical Chemistry, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Chizu Toyoda
- Japanese Red Cross Kanto-Koushinetsu Block Blood Center, Tokyo, Japan
| | - Ryutaro Tobita
- Japanese Red Cross Kanto-Koushinetsu Block Blood Center, Tokyo, Japan
| | - Kazuta Yasui
- Japanese Red Cross Kinki Block Blood Center, Osaka, Japan
| | - Ryota Aminaka
- Japanese Red Cross Kinki Block Blood Center, Osaka, Japan
| | - Mikako Masaki
- Japanese Red Cross Kinki Block Blood Center, Osaka, Japan
| | - Masahiro Satake
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, Tokyo, Japan
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4
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Schmitt J, Razvi A, Grapentin C. Predictive modeling of concentration-dependent viscosity behavior of monoclonal antibody solutions using artificial neural networks. MAbs 2023; 15:2169440. [PMID: 36705325 PMCID: PMC9888472 DOI: 10.1080/19420862.2023.2169440] [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: 01/28/2023] Open
Abstract
Solutions of monoclonal antibodies (mAbs) can show increased viscosity at high concentration, which can be a disadvantage during protein purification, filling, and administration. The viscosity is determined by protein-protein-interactions, which are influenced by the antibody's sequence as well as solution conditions, like pH, buffer type, or the presence of salts and other excipients. To predict viscosity, experimental parameters, like the diffusion interaction parameter (kD), or computational tools harnessing information derived from primary sequence, are often used, but a reliable predictive tool is still missing. We present a modeling approach employing artificial neural networks (ANNs) using experimental factors combined with simulation-derived parameters plus viscosity data from 27 highly concentrated (180 mg/mL) mAbs. These ANNs can be used to predict if mAbs exhibit problematic viscosity at distinct concentrations or to model viscosity-concentration-curves.
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Affiliation(s)
| | - Abbas Razvi
- Lonza AG/Ltd, Drug Product Services, Basel, Switzerland
| | - Christoph Grapentin
- Lonza AG/Ltd, Drug Product Services, Basel, Switzerland,CONTACT Christoph Grapentin
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5
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Zhang W, Wang H, Feng N, Li Y, Gu J, Wang Z. Developability assessment at early-stage discovery to enable development of antibody-derived therapeutics. Antib Ther 2022; 6:13-29. [PMID: 36683767 PMCID: PMC9847343 DOI: 10.1093/abt/tbac029] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 11/13/2022] Open
Abstract
Developability refers to the likelihood that an antibody candidate will become a manufacturable, safe and efficacious drug. Although the safety and efficacy of a drug candidate will be well considered by sponsors and regulatory agencies, developability in the narrow sense can be defined as the likelihood that an antibody candidate will go smoothly through the chemistry, manufacturing and control (CMC) process at a reasonable cost and within a reasonable timeline. Developability in this sense is the focus of this review. To lower the risk that an antibody candidate with poor developability will move to the CMC stage, the candidate's developability-related properties should be screened, assessed and optimized as early as possible. Assessment of developability at the early discovery stage should be performed in a rapid and high-throughput manner while consuming small amounts of testing materials. In addition to monoclonal antibodies, bispecific antibodies, multispecific antibodies and antibody-drug conjugates, as the derivatives of monoclonal antibodies, should also be assessed for developability. Moreover, we propose that the criterion of developability is relative: expected clinical indication, and the dosage and administration route of the antibody could affect this criterion. We also recommend a general screening process during the early discovery stage of antibody-derived therapeutics. With the advance of artificial intelligence-aided prediction of protein structures and features, computational tools can be used to predict, screen and optimize the developability of antibody candidates and greatly reduce the risk of moving a suboptimal candidate to the development stage.
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Affiliation(s)
- Weijie Zhang
- Biologicals Innovation and Discovery, WuXi Biologicals, 1951 Huifeng West Road, Fengxian District, Shanghai 201400, China
| | - Hao Wang
- Biologicals Innovation and Discovery, WuXi Biologicals, 1951 Huifeng West Road, Fengxian District, Shanghai 201400, China
| | - Nan Feng
- Biologicals Innovation and Discovery, WuXi Biologicals, 1951 Huifeng West Road, Fengxian District, Shanghai 201400, China
| | - Yifeng Li
- Technology and Process Development, WuXi Biologicals, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Jijie Gu
- Biologicals Innovation and Discovery, WuXi Biologicals, 1951 Huifeng West Road, Fengxian District, Shanghai 201400, China
| | - Zhuozhi Wang
- To whom correspondence should be addressed. Biologics Innovation and Discovery, WuXi Biologicals, 1951 Huifeng West Road, Fengxian District, Shanghai 201400, China, Phone number: +86-21-50518899
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6
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Effects of Monovalent Salt on Protein-Protein Interactions of Dilute and Concentrated Monoclonal Antibody Formulations. Antibodies (Basel) 2022; 11:antib11020024. [PMID: 35466277 PMCID: PMC9036246 DOI: 10.3390/antib11020024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/17/2022] [Accepted: 03/24/2022] [Indexed: 02/04/2023] Open
Abstract
In this study, we used sodium chloride (NaCl) to extensively modulate non-specific protein-protein interactions (PPI) of a humanized anti-streptavidin monoclonal antibody class 2 molecule (ASA-IgG2). The changes in PPI with varying NaCl (CNaCl) and monoclonal antibody (mAb) concentration (CmAb) were assessed using the diffusion interaction parameter kD and second virial coefficient B22 measured from solutions with low to moderate CmAb. The effective structure factor S(q)eff measured from concentrated mAb solutions using small-angle X-ray and neutron scattering (SAXS/SANS) was also used to characterize the PPI. Our results found that the nature of net PPI changed not only with CNaCl, but also with increasing CmAb. As a result, parameters measured from dilute and concentrated mAb samples could lead to different predictions on the stability of mAb formulations. We also compared experimentally determined viscosity results with those predicted from interaction parameters, including kD and S(q)eff. The lack of a clear correlation between interaction parameters and measured viscosity values indicates that the relationship between viscosity and PPI is concentration-dependent. Collectively, the behavior of flexible mAb molecules in concentrated solutions may not be correctly predicted using models where proteins are considered to be uniform colloid particles defined by parameters derived from low CmAb.
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7
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Bauer J, Mathias S, Kube S, Otte K, Garidel P, Gamer M, Blech M, Fischer S, Karow-Zwick AR. Rational optimization of a monoclonal antibody improves the aggregation propensity and enhances the CMC properties along the entire pharmaceutical process chain. MAbs 2021; 12:1787121. [PMID: 32658605 PMCID: PMC7531517 DOI: 10.1080/19420862.2020.1787121] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The discovery of therapeutic monoclonal antibodies (mAbs) primarily focuses on their biological activity favoring the selection of highly potent drug candidates. These candidates, however, may have physical or chemical attributes that lead to unfavorable chemistry, manufacturing, and control (CMC) properties, such as low product titers, conformational and colloidal instabilities, or poor solubility, which can hamper or even prevent development and manufacturing. Hence, there is an urgent need to consider the developability of mAb candidates during lead identification and optimization. This work provides a comprehensive proof of concept study for the significantly improved developability of a mAb variant that was optimized with the help of sophisticated in silico tools relative to its difficult-to-develop parental counterpart. Interestingly, a single amino acid substitution in the variable domain of the light chain resulted in a three-fold increased product titer after stable expression in Chinese hamster ovary cells. Microscopic investigations revealed that wild type mAb-producing cells displayed potential antibody inclusions, while the in silico optimized variant-producing cells showed a rescued phenotype. Notably, the drug substance of the in silico optimized variant contained substantially reduced levels of aggregates and fragments after downstream process purification. Finally, formulation studies unraveled a significantly enhanced colloidal stability of the in silico optimized variant while its folding stability and potency were maintained. This study emphasizes that implementation of bioinformatics early in lead generation and optimization of biotherapeutics reduces failures during subsequent development activities and supports the reduction of project timelines and resources.
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Affiliation(s)
- Joschka Bauer
- Early Stage Pharmaceutical Development, Pharmaceutical Development Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG , Biberach/Riss, Germany
| | - Sven Mathias
- Institute of Applied Biotechnology, University of Applied Sciences Biberach , Biberach/Riss, Germany.,Early Stage Bioprocess Development, Bioprocess Development Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG , Biberach/Riss, Germany
| | - Sebastian Kube
- Early Stage Pharmaceutical Development, Pharmaceutical Development Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG , Biberach/Riss, Germany
| | - Kerstin Otte
- Institute of Applied Biotechnology, University of Applied Sciences Biberach , Biberach/Riss, Germany
| | - Patrick Garidel
- Early Stage Pharmaceutical Development, Pharmaceutical Development Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG , Biberach/Riss, Germany
| | - Martin Gamer
- Early Stage Bioprocess Development, Bioprocess Development Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG , Biberach/Riss, Germany
| | - Michaela Blech
- Early Stage Pharmaceutical Development, Pharmaceutical Development Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG , Biberach/Riss, Germany
| | - Simon Fischer
- Cell Line Development, Bioprocess Development Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG, Boehringer Ingelheim Pharma GmbH & Co. KG , Biberach/Riss, Germany
| | - Anne R Karow-Zwick
- Early Stage Pharmaceutical Development, Pharmaceutical Development Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG , Biberach/Riss, Germany
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8
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Chi B, De Oliveira G, Gallagher T, Mitchell L, Knightley L, Gonzalez CC, Russell S, Germaschewski V, Pearce C, Sellick CA. Pragmatic mAb lead molecule engineering from a developability perspective. Biotechnol Bioeng 2021; 118:3733-3743. [PMID: 33913507 DOI: 10.1002/bit.27802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/26/2021] [Accepted: 04/15/2021] [Indexed: 01/08/2023]
Abstract
As the number of antibody drugs being approved and marketed increases, our knowledge of what makes potential drug candidates a successful product has increased tremendously. One of the critical parameters that have become clear in the field is the importance of mAb "developability." Efforts are being increasingly focused on simultaneously selecting molecules that exhibit both desirable biological potencies and manufacturability attributes. In the current study mutations to improve the developability profile of a problematic antibody that inconsistently precipitates in a batch scale-dependent fashion using a standard platform purification process are described. Initial bioinformatic analysis showed the molecule has no obvious sequence or structural liabilities that might lead it to precipitate. Subsequent analysis of the molecule revealed the presence of two unusual positively charged mutations on the light chain at the interface of VH and VL domains, which were hypothesized to be the primary contributor to molecule precipitation during process development. To investigate this hypothesis, straightforward reversion to the germline of these residues was carried out. The resulting mutants have improved expression titers and recovered stability within a forced precipitation assay, without any change to biological activity. Given the time pressures of drug development in industry, process optimization of the lead molecule was carried out in parallel to the "retrospective" mutagenesis approach. Bespoke process optimization for large-scale manufacturing was successful. However, we propose that such context-dependent sequence liabilities should be included in the arsenal of in silico developability screening early in development; particularly since this specific issue can be efficiently mitigated without the requirement for extensive screening of lead molecule variants.
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Affiliation(s)
| | | | - Tom Gallagher
- Kymab Ltd., Cambridge, UK.,F-star Therapeutics Ltd., Cambridge, UK
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9
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Woldeyes MA, Qi W, Razinkov VI, Furst EM, Roberts CJ. Temperature Dependence of Protein Solution Viscosity and Protein-Protein Interactions: Insights into the Origins of High-Viscosity Protein Solutions. Mol Pharm 2020; 17:4473-4482. [PMID: 33170708 DOI: 10.1021/acs.molpharmaceut.0c00552] [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] [Indexed: 02/07/2023]
Abstract
Protein solution viscosity (η) as a function of temperature was measured at a series of protein concentrations under a range of formulation conditions for two monoclonal antibodies (MAbs) and a globular protein (aCgn). Based on theoretical arguments, a strong temperature dependence for protein-protein interactions (PPI) indicates highly anisotropic, short-ranged attractions that could lead to higher solution viscosities. The semi-empirical Ross-Minton model was used to determine the apparent intrinsic viscosity, shape, and "crowding" factors for each protein as a function of temperature and formulation conditions. The apparent intrinsic viscosity was independent of temperature for aCgn, while a slight decrease with increasing temperature was observed for the MAbs. The temperature dependence of solution viscosity was analyzed using the Andrade-Eyring equation to determine the effective activation energy of viscous flow (Ea,η). While Ea,η values were different for each protein, they were independent of formulation conditions for a given protein. PPI were quantified via the osmotic second virial coefficient (B22) and the protein diffusion interaction parameter (kD) as a function of temperature under the same formulation conditions as the viscosity measurements. Net interactions ranged from strongly attractive to repulsive by changing formulation pH and ionic strength for each protein. Overall, larger activation energies for PPI corresponded to larger activation energies for η, and those were predictive of the highest η values at higher protein concentrations.
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Affiliation(s)
- Mahlet A Woldeyes
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Wei Qi
- Drug Product Development, Amgen Inc., Thousand Oaks, California 91320, United States
| | - Vladimir I Razinkov
- Drug Product Development, Amgen Inc., Thousand Oaks, California 91320, United States
| | - Eric M Furst
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Christopher J Roberts
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
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10
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Kollár É, Balázs B, Tari T, Siró I. Development challenges of high concentration monoclonal antibody formulations. DRUG DISCOVERY TODAY. TECHNOLOGIES 2020; 37:31-40. [PMID: 34895653 DOI: 10.1016/j.ddtec.2020.08.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/17/2020] [Accepted: 08/31/2020] [Indexed: 01/09/2023]
Abstract
High concentration monoclonal antibody drug products represent a special segment of biopharmaceuticals. In contrast to other monoclonal antibody products, high concentration monoclonal antibodies are injected subcutaneously helping increase patient compliance and reduce the number of hospital patient visits. It is important to note that a high protein concentration (≥50 mg/mL) poses a challenge from a product development perspective. Colloidal properties, physical and chemical protein stability should be considered during formulation, primary packaging and manufacturing process development as well as optimization of other dosage form-related parameters. The aim of such development work is to obtain a drug product capable of maintaining appropriate protein structure throughout its shelf-life and ensure proper and accurate dosage upon administration.
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Affiliation(s)
- Éva Kollár
- Department of Biotechnology Development, Gedeon Richter Plc., Gyömrői út 19-21, 1103 Budapest, Hungary.
| | - Boglárka Balázs
- Department of Biotechnology Development, Gedeon Richter Plc., Gyömrői út 19-21, 1103 Budapest, Hungary
| | - Tímea Tari
- Department of Biotechnology Development, Gedeon Richter Plc., Gyömrői út 19-21, 1103 Budapest, Hungary
| | - István Siró
- Department of Biotechnology Development, Gedeon Richter Plc., Gyömrői út 19-21, 1103 Budapest, Hungary
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11
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Deokar V, Sharma A, Mody R, Volety SM. Comparison of Strategies in Development and Manufacturing of Low Viscosity, Ultra-High Concentration Formulation for IgG1 Antibody. J Pharm Sci 2020; 109:3579-3589. [PMID: 32946895 PMCID: PMC7491461 DOI: 10.1016/j.xphs.2020.09.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/26/2020] [Accepted: 09/08/2020] [Indexed: 12/23/2022]
Abstract
Monoclonal antibodies requiring higher doses for exerting therapeutic effect but having lower stability, are administered as dilute infusions, or as two (low concentration) injections both resulting in reduced patient compliance. Present research summarizes impact of manufacturing conditions on ultra-high concentration (≥150 mg/mL) IgG1 formulation, which can be administered as one subcutaneous injection. IgG1 was concentrated to ~200 mg/mL using tangential flow filtration (TFF). Alternatively, spray dried (SPD) and spray freeze dried (SFD) IgG1, was reconstituted in 30%v/v propylene glycol to form ultra-high concentration (~200 mg/mL) injectable formulation. Reconstituted, SPD and SFD IgG1 formulations, increased viscosity beyond an acceptable range for subcutaneous injections (<20 cP). Formulations developed by reconstitution of SPD IgG1, demonstrated increase in high and low molecular weight impurities, at accelerated and stressed conditions. Whereas, the stability data suggested reconstituted SFD IgG1 was comparable to control IgG1 formulation concentrated by TFF. Also, formulation of IgG1 diafiltered with proline using TFF, reduce viscosity from ~21.9 cP to ~11 cP at 25 °C and had better stability. Thus, conventional TFF technique stands to be one of the preferred methods for manufacturing of ultra-high concentration IgG1 formulations. Additionally, SFD could be an alternative method for long term storage of IgG1 in a dry powder state.
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Affiliation(s)
- Vaibhav Deokar
- Lupin Limited (Biotechnology Division), A-401, G.O. Square Mall, Sr. No. 249/50, Wakad, Pune 411057, India.
| | - Alok Sharma
- Lupin Limited (Biotechnology Division), A-401, G.O. Square Mall, Sr. No. 249/50, Wakad, Pune 411057, India
| | - Rustom Mody
- Lupin Limited (Biotechnology Division), A-401, G.O. Square Mall, Sr. No. 249/50, Wakad, Pune 411057, India
| | - Subrahmanyam M Volety
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (Deemed University), Manipal 576104, Karnataka, India
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12
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Holstein M, Hung J, Feroz H, Ranjan S, Du C, Ghose S, Li ZJ. Strategies for high‐concentration drug substance manufacturing to facilitate subcutaneous administration: A review. Biotechnol Bioeng 2020; 117:3591-3606. [DOI: 10.1002/bit.27510] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/17/2020] [Accepted: 07/18/2020] [Indexed: 12/27/2022]
Affiliation(s)
- Melissa Holstein
- Biologics Process Development, Global Product Development and Supply Bristol‐Myers Squibb Co. Devens Massachusetts
| | - Jessica Hung
- Biologics Process Development, Global Product Development and Supply Bristol‐Myers Squibb Co. Devens Massachusetts
| | - Hasin Feroz
- Biologics Process Development, Global Product Development and Supply Bristol‐Myers Squibb Co. Devens Massachusetts
| | - Swarnim Ranjan
- Biologics Process Development, Global Product Development and Supply Bristol‐Myers Squibb Co. Devens Massachusetts
| | - Cheng Du
- Biologics Process Development, Global Product Development and Supply Bristol‐Myers Squibb Co. Devens Massachusetts
| | - Sanchayita Ghose
- Biologics Process Development, Global Product Development and Supply Bristol‐Myers Squibb Co. Devens Massachusetts
| | - Zheng Jian Li
- Biologics Process Development, Global Product Development and Supply Bristol‐Myers Squibb Co. Devens Massachusetts
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13
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Willis LF, Kumar A, Jain T, Caffry I, Xu Y, Radford SE, Kapur N, Vásquez M, Brockwell DJ. The uniqueness of flow in probing the aggregation behavior of clinically relevant antibodies. ENGINEERING REPORTS : OPEN ACCESS 2020; 2:e12147. [PMID: 34901768 PMCID: PMC8638667 DOI: 10.1002/eng2.12147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 02/18/2020] [Accepted: 02/19/2020] [Indexed: 06/10/2023]
Abstract
The development of therapeutic monoclonal antibodies (mAbs) can be hindered by their tendency to aggregate throughout their lifetime, which can illicit immunogenic responses and render mAb manufacturing unfeasible. Consequently, there is a need to identify mAbs with desirable thermodynamic stability, solubility, and lack of self-association. These behaviors are assessed using an array of in silico and in vitro assays, as no single assay can predict aggregation and developability. We have developed an extensional and shear flow device (EFD), which subjects proteins to defined hydrodynamic forces which mimic those experienced in bioprocessing. Here, we utilize the EFD to explore the aggregation propensity of 33 IgG1 mAbs, whose variable domains are derived from clinical antibodies. Using submilligram quantities of material per replicate, wide-ranging EFD-induced aggregation (9-81% protein in pellet) was observed for these mAbs, highlighting the EFD as a sensitive method to assess aggregation propensity. By comparing the EFD-induced aggregation data to those obtained previously from 12 other biophysical assays, we show that the EFD provides distinct information compared with current measures of adverse biophysical behavior. Assessing a candidate's liability to hydrodynamic force thus adds novel insight into the rational selection of developable mAbs that complements other assays.
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Affiliation(s)
- Leon F. Willis
- School of Molecular and Cellular Biology, Faculty of Biological SciencesUniversity of LeedsLeedsUK
- Astbury Centre for Structural Molecular BiologyUniversity of LeedsLeedsUK
| | - Amit Kumar
- School of Molecular and Cellular Biology, Faculty of Biological SciencesUniversity of LeedsLeedsUK
- Astbury Centre for Structural Molecular BiologyUniversity of LeedsLeedsUK
- Department of Life SciencesImperial College LondonLondonUK
| | | | - Isabelle Caffry
- Adimab LLCLebanonNew HampshireUSA
- Cornell Johnson Graduate School of ManagementIthacaNew YorkUSA
| | - Yingda Xu
- Adimab LLCLebanonNew HampshireUSA
- Biotheus Inc.ZhuhaiGuangdong ProvinceChina
| | - Sheena E. Radford
- School of Molecular and Cellular Biology, Faculty of Biological SciencesUniversity of LeedsLeedsUK
- Astbury Centre for Structural Molecular BiologyUniversity of LeedsLeedsUK
| | - Nikil Kapur
- School of Mechanical Engineering, Faculty of EngineeringUniversity of LeedsLeedsUK
| | | | - David J. Brockwell
- School of Molecular and Cellular Biology, Faculty of Biological SciencesUniversity of LeedsLeedsUK
- Astbury Centre for Structural Molecular BiologyUniversity of LeedsLeedsUK
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14
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Gentiluomo L, Svilenov HL, Augustijn D, El Bialy I, Greco ML, Kulakova A, Indrakumar S, Mahapatra S, Morales MM, Pohl C, Roche A, Tosstorff A, Curtis R, Derrick JP, Nørgaard A, Khan TA, Peters GHJ, Pluen A, Rinnan Å, Streicher WW, van der Walle CF, Uddin S, Winter G, Roessner D, Harris P, Frieß W. Advancing Therapeutic Protein Discovery and Development through Comprehensive Computational and Biophysical Characterization. Mol Pharm 2020; 17:426-440. [PMID: 31790599 DOI: 10.1021/acs.molpharmaceut.9b00852] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Therapeutic protein candidates should exhibit favorable properties that render them suitable to become drugs. Nevertheless, there are no well-established guidelines for the efficient selection of proteinaceous molecules with desired features during early stage development. Such guidelines can emerge only from a large body of published research that employs orthogonal techniques to characterize therapeutic proteins in different formulations. In this work, we share a study on a diverse group of proteins, including their primary sequences, purity data, and computational and biophysical characterization at different pH and ionic strength. We report weak linear correlations between many of the biophysical parameters. We suggest that a stability comparison of diverse therapeutic protein candidates should be based on a computational and biophysical characterization in multiple formulation conditions, as the latter can largely determine whether a protein is above or below a certain stability threshold. We use the presented data set to calculate several stability risk scores obtained with an increasing level of analytical effort and show how they correlate with protein aggregation during storage. Our work highlights the importance of developing combined risk scores that can be used for early stage developability assessment. We suggest that such scores can have high prediction accuracy only when they are based on protein stability characterization in different solution conditions.
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Affiliation(s)
- Lorenzo Gentiluomo
- Wyatt Technology Europe GmbH , Hochstrasse 18 , 56307 Dernbach , Germany.,Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics , Ludwig-Maximilians-Universitaet Muenchen , Butenandtstrasse 5 , 81377 Munich , Germany
| | - Hristo L Svilenov
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics , Ludwig-Maximilians-Universitaet Muenchen , Butenandtstrasse 5 , 81377 Munich , Germany
| | - Dillen Augustijn
- Department of Food Science, Faculty of Science , Copenhagen University , Rolighedsvej 26 , 1958 Frederiksberg , Denmark
| | - Inas El Bialy
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics , Ludwig-Maximilians-Universitaet Muenchen , Butenandtstrasse 5 , 81377 Munich , Germany
| | - Maria Laura Greco
- Dosage Form Design and Development , AstraZeneca , Sir Aaron Klug Building, Granta Park , Cambridge CB21 6GH , U.K
| | - Alina Kulakova
- Department of Chemistry , Technical University of Denmark , Kemitorvet 207 , 2800 Kongens Lyngby , Denmark
| | - Sowmya Indrakumar
- Department of Chemistry , Technical University of Denmark , Kemitorvet 207 , 2800 Kongens Lyngby , Denmark
| | | | - Marcello Martinez Morales
- Dosage Form Design and Development , AstraZeneca , Sir Aaron Klug Building, Granta Park , Cambridge CB21 6GH , U.K
| | - Christin Pohl
- Novozymes A/S , Krogshoejvej 36 , 2880 Bagsvaerd , Denmark
| | - Aisling Roche
- School of Chemical Engineering and Analytical Science, Manchester Institute of Biotechnology , The University of Manchester , 131 Princess Street , Manchester M1 7DN , U.K
| | - Andreas Tosstorff
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics , Ludwig-Maximilians-Universitaet Muenchen , Butenandtstrasse 5 , 81377 Munich , Germany
| | - Robin Curtis
- School of Chemical Engineering and Analytical Science, Manchester Institute of Biotechnology , The University of Manchester , 131 Princess Street , Manchester M1 7DN , U.K
| | - Jeremy P Derrick
- School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre , The University of Manchester , Oxford Road , Manchester M13 9PT , U.K
| | - Allan Nørgaard
- Novozymes A/S , Krogshoejvej 36 , 2880 Bagsvaerd , Denmark
| | - Tarik A Khan
- Pharmaceutical Development & Supplies, Pharma Technical Development Biologics Europe , F. Hoffmann-La Roche Ltd. , Grenzacherstrasse 124 , 4070 Basel , Switzerland
| | - Günther H J Peters
- Department of Chemistry , Technical University of Denmark , Kemitorvet 207 , 2800 Kongens Lyngby , Denmark
| | - Alain Pluen
- School of Chemical Engineering and Analytical Science, Manchester Institute of Biotechnology , The University of Manchester , 131 Princess Street , Manchester M1 7DN , U.K
| | - Åsmund Rinnan
- Department of Food Science, Faculty of Science , Copenhagen University , Rolighedsvej 26 , 1958 Frederiksberg , Denmark
| | | | - Christopher F van der Walle
- Dosage Form Design and Development , AstraZeneca , Sir Aaron Klug Building, Granta Park , Cambridge CB21 6GH , U.K
| | - Shahid Uddin
- Dosage Form Design and Development , AstraZeneca , Sir Aaron Klug Building, Granta Park , Cambridge CB21 6GH , U.K
| | - Gerhard Winter
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics , Ludwig-Maximilians-Universitaet Muenchen , Butenandtstrasse 5 , 81377 Munich , Germany
| | - Dierk Roessner
- Wyatt Technology Europe GmbH , Hochstrasse 18 , 56307 Dernbach , Germany
| | - Pernille Harris
- Department of Chemistry , Technical University of Denmark , Kemitorvet 207 , 2800 Kongens Lyngby , Denmark
| | - Wolfgang Frieß
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics , Ludwig-Maximilians-Universitaet Muenchen , Butenandtstrasse 5 , 81377 Munich , Germany
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15
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Floyd JA, Shaver JM, Gillespie AJ, Park U, Rogers RS, Nightlinger NS, Ogata Y, James JJ, Kerwin BA. Evaluation of Crystal Zenith Microtiter Plates for High-Throughput Formulation Screening. J Pharm Sci 2019; 109:532-542. [PMID: 31669607 PMCID: PMC6941220 DOI: 10.1016/j.xphs.2019.10.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 09/27/2019] [Accepted: 10/16/2019] [Indexed: 12/21/2022]
Abstract
Formulation screening for biotherapeutics can cover a vast array of excipients and stress conditions. These studies consume quantities of limited material and, with higher concentrated therapeutics, more material is needed. Here, we evaluate the use of crystal zenith (CZ) microtiter plates in conjunction with FluoroTec-coated butyl rubber mats as a small-volume, high-throughput system for formulation stability studies. The system was studied for evaporation, edge effects, and stability with comparisons to type 1 glass and CZ vials for multiple antibodies and formulations. Evaporation was minimal at 4°C and could be reduced at elevated temperatures using sealed, mylar bags. Edge effects were not observed until 12 weeks at 40°C. The overall stability ranking as measured by the rate of change in high molecular weight and percent main peak species was comparable across both vials and plates at 4°C and 40°C out to 12 weeks. Product quality attributes as measured by the multi-attribute method were also comparable across all containers for each molecule formulation. A potential difference was measured for subvisible particle analysis, with the plates measuring lower particle counts than the vials. Overall, CZ plates are a viable alternative to traditional vials for small-volume, high-throughput formulation stability screening studies.
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Affiliation(s)
| | | | | | - Unjy Park
- Just Biotherapeutics, Inc., Seattle, Washington 98109
| | | | | | - Yuko Ogata
- Just Biotherapeutics, Inc., Seattle, Washington 98109
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16
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Wang W, Ohtake S. Science and art of protein formulation development. Int J Pharm 2019; 568:118505. [PMID: 31306712 DOI: 10.1016/j.ijpharm.2019.118505] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 07/08/2019] [Accepted: 07/08/2019] [Indexed: 02/07/2023]
Abstract
Protein pharmaceuticals have become a significant class of marketed drug products and are expected to grow steadily over the next decade. Development of a commercial protein product is, however, a rather complex process. A critical step in this process is formulation development, enabling the final product configuration. A number of challenges still exist in the formulation development process. This review is intended to discuss these challenges, to illustrate the basic formulation development processes, and to compare the options and strategies in practical formulation development.
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Affiliation(s)
- Wei Wang
- Biological Development, Bayer USA, LLC, 800 Dwight Way, Berkeley, CA 94710, United States.
| | - Satoshi Ohtake
- Pharmaceutical Research and Development, Pfizer Biotherapeutics Pharmaceutical Sciences, Chesterfield, MO 63017, United States
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17
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Understanding the Role of Preferential Exclusion of Sugars and Polyols from Native State IgG1 Monoclonal Antibodies and its Effect on Aggregation and Reversible Self-Association. Pharm Res 2019; 36:109. [DOI: 10.1007/s11095-019-2642-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 05/07/2019] [Indexed: 11/27/2022]
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18
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Krause ME, Sahin E. Chemical and physical instabilities in manufacturing and storage of therapeutic proteins. Curr Opin Biotechnol 2019; 60:159-167. [PMID: 30861476 DOI: 10.1016/j.copbio.2019.01.014] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 11/02/2018] [Accepted: 01/21/2019] [Indexed: 12/13/2022]
Abstract
Development of a robust biologic drug product is accomplished by extensive formulation and process development screening studies; however, even in the most optimal formulation, a protein can undergo spontaneous degradation during manufacture, storage, and clinical use. Chemical changes to amino acid residues, such as oxidation of methionine or tryptophan, or changes in charge such as deamidation or carbonylation, can induce conformational changes in the overall protein structure, potentially leading to changes in physical - in addition to chemical - stability. Oxidation is often caused by light exposure or the presence of metal ions or peroxides. Asparagine deamidation is more likely to occur at higher pH and/or elevated temperature. Mechanical and interfacial stresses during manufacturing can lead to physical instabilities (i.e. various forms of aggregation). A well-defined manufacturing process and effective in-process controls are essential in minimizing chemical and physical instabilities, enabling robust production and distribution of a safe and efficacious drug product. In this work, the authors provide a review of developments in these areas over the past two years, with emphasis on manufacturability of therapeutically relevant proteins and protein-based drug products.
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Affiliation(s)
- Mary E Krause
- Drug Product Science and Technology, Bristol-Myers Squibb Company, One Squibb Drive, New Brunswick, NJ 08903, United States.
| | - Erinc Sahin
- Drug Product Science and Technology, Bristol-Myers Squibb Company, One Squibb Drive, New Brunswick, NJ 08903, United States
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19
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Fisher AC, Kamga MH, Agarabi C, Brorson K, Lee SL, Yoon S. The Current Scientific and Regulatory Landscape in Advancing Integrated Continuous Biopharmaceutical Manufacturing. Trends Biotechnol 2019; 37:253-267. [DOI: 10.1016/j.tibtech.2018.08.008] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 08/20/2018] [Accepted: 08/29/2018] [Indexed: 01/19/2023]
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20
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Xu Y, Wang D, Mason B, Rossomando T, Li N, Liu D, Cheung JK, Xu W, Raghava S, Katiyar A, Nowak C, Xiang T, Dong DD, Sun J, Beck A, Liu H. Structure, heterogeneity and developability assessment of therapeutic antibodies. MAbs 2018; 11:239-264. [PMID: 30543482 DOI: 10.1080/19420862.2018.1553476] [Citation(s) in RCA: 155] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Increasing attention has been paid to developability assessment with the understanding that thorough evaluation of monoclonal antibody lead candidates at an early stage can avoid delays during late-stage development. The concept of developability is based on the knowledge gained from the successful development of approximately 80 marketed antibody and Fc-fusion protein drug products and from the lessons learned from many failed development programs over the last three decades. Here, we reviewed antibody quality attributes that are critical to development and traditional and state-of-the-art analytical methods to monitor those attributes. Based on our collective experiences, a practical workflow is proposed as a best practice for developability assessment including in silico evaluation, extended characterization and forced degradation using appropriate analytical methods that allow characterization with limited material consumption and fast turnaround time.
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Affiliation(s)
- Yingda Xu
- a Protein Analytics , Adimab , Lebanon , NH , USA
| | - Dongdong Wang
- b Analytical Department , Bioanalytix, Inc ., Cambridge , MA , USA
| | - Bruce Mason
- c Product Characterization , Alexion Pharmaceuticals, Inc ., New Haven , CT , USA
| | - Tony Rossomando
- c Product Characterization , Alexion Pharmaceuticals, Inc ., New Haven , CT , USA
| | - Ning Li
- d Analytical Chemistry , Regeneron Pharmaceuticals, Inc ., Tarrytown , NY , USA
| | - Dingjiang Liu
- e Formulation Development , Regeneron Pharmaceuticals, Inc ., Tarrytown , NY , USA
| | - Jason K Cheung
- f Pharmaceutical Sciences , MRL, Merck & Co., Inc ., Kenilworth , NJ , USA
| | - Wei Xu
- g Analytical Method Development , MRL, Merck & Co., Inc ., Kenilworth , NJ , USA
| | - Smita Raghava
- h Sterile Formulation Sciences , MRL, Merck & Co., Inc ., Kenilworth , NJ , USA
| | - Amit Katiyar
- i Analytical Development , Bristol-Myers Squibb , Pennington , NJ , USA
| | - Christine Nowak
- c Product Characterization , Alexion Pharmaceuticals, Inc ., New Haven , CT , USA
| | - Tao Xiang
- j Manufacturing Sciences , Abbvie Bioresearch Center , Worcester , MA , USA
| | - Diane D Dong
- j Manufacturing Sciences , Abbvie Bioresearch Center , Worcester , MA , USA
| | - Joanne Sun
- k Product development , Innovent Biologics , Suzhou Industrial Park , China
| | - Alain Beck
- l Analytical chemistry , NBEs, Center d'immunologie Pierre Fabre , St Julien-en-Genevois Cedex , France
| | - Hongcheng Liu
- c Product Characterization , Alexion Pharmaceuticals, Inc ., New Haven , CT , USA
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21
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Commentary: New perspectives on protein aggregation during Biopharmaceutical development. Int J Pharm 2018; 552:1-6. [DOI: 10.1016/j.ijpharm.2018.09.049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 09/18/2018] [Accepted: 09/19/2018] [Indexed: 11/18/2022]
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22
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Intermolecular interactions in highly concentrated formulations of recombinant therapeutic proteins. Curr Opin Biotechnol 2018; 53:59-64. [DOI: 10.1016/j.copbio.2017.12.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 12/11/2017] [Accepted: 12/13/2017] [Indexed: 12/11/2022]
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23
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Kumar S, Roffi K, Tomar DS, Cirelli D, Luksha N, Meyer D, Mitchell J, Allen MJ, Li L. Rational optimization of a monoclonal antibody for simultaneous improvements in its solution properties and biological activity. Protein Eng Des Sel 2018; 31:313-325. [PMID: 30189027 DOI: 10.1093/protein/gzy020] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 08/26/2018] [Indexed: 01/05/2023] Open
Affiliation(s)
- Sandeep Kumar
- Biotherapeutics Bioprocess Research and Development, Pfizer Inc., 700 Chesterfield Parkway West, Chesterfield, MO, USA
| | - Kirk Roffi
- Biotherapeutics Pharmaceutical Sciences Research and Development, Pfizer Inc., 1 Burtt Road, Andover, MA, USA
| | - Dheeraj S Tomar
- Biotherapeutics Pharmaceutical Sciences Research and Development, Pfizer Inc., 700 Chesterfield Parkway West, Chesterfield, MO, USA
| | - David Cirelli
- Biotherapeutics Analytical Research and Development, Pfizer Inc., 1 Burtt Road, Andover, MA, USA
| | - Nicholas Luksha
- Biotherapeutics Pharmaceutical Sciences Research and Development, Pfizer Inc., 700 Chesterfield Parkway West, Chesterfield, MO, USA
| | - Danielle Meyer
- Biotherapeutics Bioprocess Research and Development, Pfizer Inc., 700 Chesterfield Parkway West, Chesterfield, MO, USA
| | - Jeffrey Mitchell
- Biotherapeutics Bioprocess Research and Development, Pfizer Inc., 1 Burtt Road, Andover, MA, USA
| | - Martin J Allen
- Biotherapeutics Bioprocess Research and Development, Pfizer Inc., 700 Chesterfield Parkway West, Chesterfield, MO, USA
| | - Li Li
- Biotherapeutics Pharmaceutical Sciences Research and Development, Pfizer Inc., 1 Burtt Road, Andover, MA, USA
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24
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Novel salts of dipicolinic acid as viscosity modifiers for high concentration antibody solutions. Int J Pharm 2018; 548:682-688. [DOI: 10.1016/j.ijpharm.2018.07.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 07/11/2018] [Accepted: 07/11/2018] [Indexed: 01/04/2023]
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