1
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Kulakova A, Augustijn D, El Bialy I, Gentiluomo L, Greco ML, Hervø-Hansen S, Indrakumar S, Mahapatra S, Martinez Morales M, Pohl C, Polimeni M, Roche A, Svilenov HL, Tosstorff A, Zalar M, Curtis R, Derrick JP, Frieß W, Golovanov AP, Lund M, Nørgaard A, Khan TA, Peters GHJ, Pluen A, Roessner D, Streicher WW, van der Walle CF, Warwicker J, Uddin S, Winter G, Bukrinski JT, Rinnan Å, Harris P. Chemometrics in Protein Formulation: Stability Governed by Repulsion and Protein Unfolding. Mol Pharm 2023. [PMID: 37146162 DOI: 10.1021/acs.molpharmaceut.3c00013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Therapeutic proteins can be challenging to develop due to their complexity and the requirement of an acceptable formulation to ensure patient safety and efficacy. To date, there is no universal formulation development strategy that can identify optimal formulation conditions for all types of proteins in a fast and reliable manner. In this work, high-throughput characterization, employing a toolbox of five techniques, was performed on 14 structurally different proteins formulated in 6 different buffer conditions and in the presence of 4 different excipients. Multivariate data analysis and chemometrics were used to analyze the data in an unbiased way. First, observed changes in stability were primarily determined by the individual protein. Second, pH and ionic strength are the two most important factors determining the physical stability of proteins, where there exists a significant statistical interaction between protein and pH/ionic strength. Additionally, we developed prediction methods by partial least-squares regression. Colloidal stability indicators are important for prediction of real-time stability, while conformational stability indicators are important for prediction of stability under accelerated stress conditions at 40 °C. In order to predict real-time storage stability, protein-protein repulsion and the initial monomer fraction are the most important properties to monitor.
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Affiliation(s)
- Alina Kulakova
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, Kongens, Lyngby 2800, Denmark
| | - Dillen Augustijn
- Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, Frederiksberg 1958, Denmark
| | - Inas El Bialy
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universitaet Muenchen, Butenandtstrasse 5, Munich 81377, Germany
| | - Lorenzo Gentiluomo
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universitaet Muenchen, Butenandtstrasse 5, Munich 81377, Germany
- Wyatt Technology Europe GmbH, Hochstrasse 18, Dernbach 56307, Germany
| | - Maria Laura Greco
- Dosage Form Design and Development, AstraZeneca, Sir Aaron Klug Building, Granta Park, Cambridge CB21 6GH, U.K
| | - Stefan Hervø-Hansen
- Division of Theoretical Chemistry, Department of Chemistry, Lund University, P.O. Box 124, Lund 22100, Sweden
| | - Sowmya Indrakumar
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, Kongens, Lyngby 2800, 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, Bagsvaerd 2880, Denmark
| | - Marco Polimeni
- Division of Theoretical Chemistry, Department of Chemistry, Lund University, P.O. Box 124, Lund 22100, Sweden
| | - Aisling Roche
- Department of Chemical Engineering, Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, U.K
| | - Hristo L Svilenov
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universitaet Muenchen, Butenandtstrasse 5, Munich 81377, Germany
| | - Andreas Tosstorff
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universitaet Muenchen, Butenandtstrasse 5, Munich 81377, Germany
| | - Matja Zalar
- Department of Chemistry, School of Natural Sciences, Faculty of Science and Engineering, and Manchester Institute of Biotechnology, The University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Robin Curtis
- Department of Chemical Engineering, 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
| | - Wolfgang Frieß
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universitaet Muenchen, Butenandtstrasse 5, Munich 81377, Germany
| | - Alexander P Golovanov
- Department of Chemistry, School of Natural Sciences, Faculty of Science and Engineering, and Manchester Institute of Biotechnology, The University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Mikael Lund
- Division of Theoretical Chemistry, Department of Chemistry, Lund University, P.O. Box 124, Lund 22100, Sweden
| | | | - Tarik A Khan
- Pharmaceutical Development & Supplies, Pharma Technical Development Biologics Europe, F. Hoffmann-La Roche Ltd., Grenzacherstrasse 124, Basel 4070, Switzerland
| | - Günther H J Peters
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, Kongens, Lyngby 2800, Denmark
| | - Alain Pluen
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, U.K
| | - Dierk Roessner
- Wyatt Technology Europe GmbH, Hochstrasse 18, Dernbach 56307, Germany
| | | | - Christopher F van der Walle
- Dosage Form Design and Development, AstraZeneca, Sir Aaron Klug Building, Granta Park, Cambridge CB21 6GH, U.K
| | - Jim Warwicker
- 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
| | - 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, Munich 81377, Germany
| | | | - Åsmund Rinnan
- Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, Frederiksberg 1958, Denmark
| | - Pernille Harris
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, Kongens, Lyngby 2800, Denmark
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2
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Shalaev E, Ohtake S, Moussa EM, Searles J, Nail S, Roberts CJ. Accelerated Storage for Shelf-Life Prediction of Lyophiles: Temperature Dependence of Degradation of Amorphous Small Molecular Weight Drugs and Proteins. J Pharm Sci 2023; 112:1509-1522. [PMID: 36796635 DOI: 10.1016/j.xphs.2023.02.008] [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: 10/25/2022] [Revised: 02/08/2023] [Accepted: 02/08/2023] [Indexed: 02/17/2023]
Abstract
Prediction of lyophilized product shelf-life using accelerated stability data requires understanding the temperature dependence of the degradation rate. Despite the abundance of published studies on stability of freeze-dried formulations and other amorphous materials, there are no definitive conclusions on the type of pattern one can expect for the temperature dependence of degradation. This lack of consensus represents a significant gap which may impact development and regulatory acceptance of freeze-dried pharmaceuticals and biopharmaceuticals. Review of the literature demonstrates that the temperature dependence of degradation rate constants in lyophiles can be represented by the Arrhenius equation in most cases. In some instances there is a break in the Arrhenius plot around the glass transition temperature or a related characteristic temperature. The majority of the activation energies (Ea), which are reported for various degradation pathways in lyophiles, falls in the range of 8 to 25 kcal/mol. The degradation Ea values for lyophiles are compared with the Ea for relaxation processes and diffusion in glasses, as wells as solution chemical reactions. Collectively, analysis of the literature demonstrates that the Arrhenius equation represents a reasonable empirical tool for analysis, presentation, and extrapolation of stability data for lyophiles, provided that specific conditions are met.
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Affiliation(s)
| | - Satoshi Ohtake
- Pfizer BioTherapeutics Pharmaceutical Sciences, Chesterfield, Missouri 63017 USA
| | - Ehab M Moussa
- Biologics Drug Product Development, AbbVie, North Chicago, IL, USA
| | - Jim Searles
- Pfizer BioTherapeutics Pharmaceutical Sciences, Chesterfield, Missouri 63017 USA
| | | | - Christopher J Roberts
- University of Delaware, Department of Chemical & Biomolecular Engineering, Newark DE 19713 USA
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3
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Berger JE, Teixeira SCM, Reed K, Razinkov VI, Sloey CJ, Qi W, Roberts CJ. High-Pressure, Low-Temperature Induced Unfolding and Aggregation of Monoclonal Antibodies: Role of the Fc and Fab Fragments. J Phys Chem B 2022; 126:4431-4441. [PMID: 35675067 DOI: 10.1021/acs.jpcb.1c10528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The effects of high pressure and low temperature on the stability of two different monoclonal antibodies (MAbs) were examined in this work. Fluorescence and small-angle neutron scattering were used to monitor the in situ effects of pressure to infer shifts in tertiary structure and characterize aggregation prone intermediates. Partial unfolding was observed for both MAbs, to different extents, under a range of pressure/temperature conditions. Fourier transform infrared spectroscopy was also used to monitor ex situ changes in secondary structure. Preservation of native secondary structure after incubation at elevated pressures and subzero ° C temperatures was independent of the extent of tertiary unfolding and reversibility. Several combinations of pressure and temperature were also used to discern the respective contributions of the isolated Ab fragments (Fab and Fc) to unfolding and aggregation. The fragments for each antibody showed significantly different partial unfolding profiles and reversibility. There was not a simple correlation between stability of the full MAb and either the Fc or Fab fragment stabilities across all cases, demonstrating a complex relationship to full MAb unfolding and aggregation behavior. That notwithstanding, the combined use of spectroscopic and scattering techniques provides insights into MAb conformational stability and hysteresis in high-pressure, low-temperature environments.
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Affiliation(s)
- Jordan E Berger
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Susana C M Teixeira
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States.,NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Kaelan Reed
- PharmBIO Products, W. L. Gore & Associates, Elkton, Maryland 21921, United States
| | - Vladimir I Razinkov
- Drug Product Technologies, Amgen, Thousand Oaks, California 91320, United States
| | - Christopher J Sloey
- Drug Product Technologies, Amgen, Thousand Oaks, California 91320, United States
| | - Wei Qi
- Drug Product Technologies, Amgen, Thousand Oaks, California 91320, United States
| | - Christopher J Roberts
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
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4
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Near UV and visible light photo-degradation mechanisms in citrate buffer: one-electron reduction of peptide and protein disulfides promotes oxidation and cis/trans isomerization of unsaturated fatty acids of polysorbate 80. J Pharm Sci 2022; 111:991-1003. [DOI: 10.1016/j.xphs.2022.01.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 01/27/2022] [Accepted: 01/27/2022] [Indexed: 12/13/2022]
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5
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Banks DD, Cordia JF. Suppression of Electrostatic Mediated Antibody Liquid-Liquid Phase Separation by Charged and Noncharged Preferentially Excluded Excipients. Mol Pharm 2021; 18:1285-1292. [PMID: 33555888 DOI: 10.1021/acs.molpharmaceut.0c01138] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Isotonic concentrations of inert cosolutes or excipients are routinely used in protein therapeutic formulations to minimize physical instabilities including aggregation, particulation, and precipitation that are often manifested during drug substance/product manufacture and long-term storage. Despite their prevalent use within the biopharmaceutical industry, a more detailed understanding for how excipients modulate the specific protein-protein interactions responsible for these instabilities is still needed so that informed formulation decisions can be made at the earliest stages of development when protein supply and time are limited. In the present report, subisotonic concentrations of the five common formulation excipients, sucrose, proline, sorbitol, glycerol, arginine hydrochloride, and the denaturant urea, were studied for their effect on the room temperature liquid-liquid phase separation of a model monoclonal antibody (mAb-B). Although each excipient lowered the onset temperatures of mAb-B liquid-liquid phase separation to different extents, all six were found to be preferentially excluded from the native state monomer by vapor pressure osmometry, and no apparent correlations to the excipient dependence of mAb-B melting temperatures were observed. These results and those of the effects of solution pH, addition of salt, and impact of a small number of charge mutations were most consistent with a mechanism of local excipient accumulation, to an extent dependent on their type, with the specific residues that mediate mAb-B electrostatic protein-protein interactions. These findings suggest that selection of excipients on the basis of their interaction with the solvent exposed residues of the native state may at times be a more effective strategy for limiting protein-protein interactions at pharmaceutically relevant storage conditions than choosing those that are excluded from the residues of the native state interior.
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Affiliation(s)
- Douglas D Banks
- Department of Pharmaceutical Candidate Optimization, Bristol Myers Squibb, 4242 Campus Point Court, Suite 700, San Diego, California 92121, United States
| | - Jon F Cordia
- Department of Pharmaceutical Candidate Optimization, Bristol Myers Squibb, 4242 Campus Point Court, Suite 700, San Diego, California 92121, United States
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6
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Bansal R, Srivastava P, Rathore AS, Chokshi P. Population balance modelling of aggregation of monoclonal antibody based therapeutic proteins. Chem Eng Sci 2020. [DOI: 10.1016/j.ces.2020.115479] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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7
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Wälchli R, Vermeire PJ, Massant J, Arosio P. Accelerated Aggregation Studies of Monoclonal Antibodies: Considerations for Storage Stability. J Pharm Sci 2019; 109:595-602. [PMID: 31676272 DOI: 10.1016/j.xphs.2019.10.048] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 10/06/2019] [Accepted: 10/22/2019] [Indexed: 12/11/2022]
Abstract
Aggregation of mAbs is a crucial concern with respect to their safety and efficacy. Among the various properties of protein aggregates, it is emerging that their size can potentially impact their immunogenicity. Therefore, stability studies of antibody formulations should not only evaluate the rate of monomer loss but also determine the size distribution of the protein aggregates, which in turn depends on the aggregation mechanism. Here, we study the aggregation behavior of different formulations of 2 monoclonal immunoglobulins (IgGs) in the temperature range from 5°C to 50°C over 52 weeks of storage. We show that the aggregation kinetics of both antibodies follow non-Arrhenius behavior and that the aggregation mechanisms change between 40°C and 5°C, leading to different types of aggregates. Specifically, for a given monomer conversion, dimer formation dominates at low temperatures, while larger aggregates are formed at higher temperatures. We further show that the stability ranking of different molecules as well as of different formulations is drastically different at 40°C and 5°C while it correlates better between 30°C and 5°C. Our findings have implications for the level of information provided by accelerated aggregation studies with respect to protein stability under storage conditions.
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Affiliation(s)
- Ruben Wälchli
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Pieter-Jan Vermeire
- UCB Pharma, BioTech Sciences, Formulation Development, Chemin du Foriest, 1420 Braine-l'Alleud, Belgium
| | - Jan Massant
- UCB Pharma, BioTech Sciences, Formulation Development, Chemin du Foriest, 1420 Braine-l'Alleud, Belgium
| | - Paolo Arosio
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland.
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8
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Banks DD, Cordia JF, Spasojevic V, Sun J, Franc S, Cho Y. Isotonic concentrations of excipients control the dimerization rate of a therapeutic immunoglobulin G1 antibody during refrigerated storage based on their rank order of native-state interaction. Protein Sci 2019; 27:2073-2083. [PMID: 30267438 DOI: 10.1002/pro.3518] [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: 04/17/2018] [Revised: 09/06/2018] [Accepted: 09/25/2018] [Indexed: 01/12/2023]
Abstract
Inert co-solutes, or excipients, are often included in protein biologic formulations to adjust the tonicity of liquid dosage forms intended for subcutaneous delivery. Despite the low concentration of their use, many of these excipients alter protein-protein interactions such as dimerization and aggregation rates of high concentration monoclonal antibody (mAb) therapeutics to varying extents during long-term refrigerated clinical storage, challenging the formulation scientist to make informed excipient selections at the earliest stages of development when protein supply and time are often limited. The objectives of this study were to better understand how isotonic concentrations of excipients influence the dimerization rates of a model mAb stored at refrigerated and room temperatures and explore protein sparing biophysical methods capable of predicting this dependence. Despite their prevalence of use in the biopharmaceutical industry, methods for assessing conformational stability such differential scanning calorimetry and isothermal equilibrium unfolding showed little predictive power and we highlight some of the assumptions and technical challenges of their use with mAbs. Conversely, measures of colloidal stability of the native-state such as preferential interaction coefficients measured by vapor pressure osmometry and solubility assessed by polyethylene-glycol induced precipitation correlated reasonably well with the mAb dimerization data and are most consistent with the excipients tested minimizing dimerization by interacting favorably with the residues comprising the protein-protein association interface.
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Affiliation(s)
- Douglas D Banks
- Department of Biologics Drug Product Development, Celgene Corp, 10300 Campus Point Drive Suite 100, San Diego, California, 92121
| | - Jon F Cordia
- Department of Biologics Drug Product Development, Celgene Corp, 10300 Campus Point Drive Suite 100, San Diego, California, 92121
| | - Vladimir Spasojevic
- Department of Biologics Drug Product Development, Celgene Corp, 10300 Campus Point Drive Suite 100, San Diego, California, 92121
| | - Jeonghoon Sun
- Department of Biotherapeutics, Celgene Corp, 10300 Campus Point Drive Suite 100, San Diego, California, 92121
| | - Sarah Franc
- Department of Biologics Drug Product Development, Celgene Corp, 10300 Campus Point Drive Suite 100, San Diego, California, 92121
| | - Younhee Cho
- Department of Biologics Drug Product Development, Celgene Corp, 10300 Campus Point Drive Suite 100, San Diego, California, 92121
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Hasan T, Kumari K, Devi SC, Handa J, Rehman T, Ansari NA, Singh LR. Osmolytes in vaccine production, flocculation and storage: a critical review. Hum Vaccin Immunother 2018; 15:514-525. [PMID: 30273503 DOI: 10.1080/21645515.2018.1526585] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Small molecule osmolytes, responsible for protecting stresses have long been known to rescue proteins and enzymes from loss of function. In addition to protecting macromolecules integrity, many osmolytes also act as potential antioxidant and also help to prevent protein aggregation, amyloid formation or misfolding, and therefore are considered promising molecules for neurodegenerative and many other genetic diseases. Osmolytes are also known to be involved in the regulation of several key immunological processes. In the present review we discuss in detail the effect of these compounds on important aspects of vaccines i.e., increasing the efficiency, production and purification steps. The present review therefore will help researchers to make a better strategy in vaccine production to formulation by incorporating specific and appropriate osmolytes in the processes.
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Affiliation(s)
- Tauheed Hasan
- a Dr. B.R. Ambedkar Center for Biomedical Research , University of Delhi , Delhi , India
| | - Kritika Kumari
- a Dr. B.R. Ambedkar Center for Biomedical Research , University of Delhi , Delhi , India
| | | | - Jaya Handa
- a Dr. B.R. Ambedkar Center for Biomedical Research , University of Delhi , Delhi , India
| | - Tabish Rehman
- a Dr. B.R. Ambedkar Center for Biomedical Research , University of Delhi , Delhi , India
| | - Nasim Akhtar Ansari
- a Dr. B.R. Ambedkar Center for Biomedical Research , University of Delhi , Delhi , India
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10
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Heldt CL, Saksule A, Joshi PU, Ghafarian M. A generalized purification step for viral particles using mannitol flocculation. Biotechnol Prog 2018; 34:1027-1035. [DOI: 10.1002/btpr.2651] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 04/17/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Caryn L. Heldt
- Dept. of Chemical Engineering; Michigan Technological Univ., 1400 Townsend Dr.; Houghton MI 49931
- Dept. of Biological Sciences; Michigan Technological Univ., 1400 Townsend Dr.; Houghton MI 49931
| | - Ashish Saksule
- Dept. of Chemical Engineering; Michigan Technological Univ., 1400 Townsend Dr.; Houghton MI 49931
| | - Pratik U. Joshi
- Dept. of Chemical Engineering; Michigan Technological Univ., 1400 Townsend Dr.; Houghton MI 49931
| | - Majid Ghafarian
- Dept. of Biological Sciences; Michigan Technological Univ., 1400 Townsend Dr.; Houghton MI 49931
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11
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Kinetics and Characterization of Non-enzymatic Fragmentation of Monoclonal Antibody Therapeutics. Pharm Res 2018; 35:142. [PMID: 29761239 DOI: 10.1007/s11095-018-2415-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 04/22/2018] [Indexed: 01/17/2023]
Abstract
PURPOSE To understand non-enzymatic hydrolytic fragmentation of a monoclonal antibody therapeutic under temperature stressed conditions and investigating possible mechanism for the same. METHODS The mAb therapeutic was incubated at 50°C in phosphate buffer at pH 6.5 and fragmentation was monitored at different ionic strengths under stressed conditions. The incubated mAb was sampled at regular time intervals by analytical Size Exclusion Chromatography (SEC). RESULTS It was observed that 57% of the mAb product fragmented over 4 days into two fragment species - Fc-Fab and Fab with molecular weights of 97 KDa and 47 KDa, respectively, as measured by mass spectrometry (MS) and sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE). The fragmentation rate was slow initially and then accelerated with time. No change in % aggregate level was observed in this duration, implying that degradation was primarily via fragmentation at high temperature. Kinetics of hydrolytic fragmentation was hypothesized and SEC data was fitted to estimate the kinetic rate constants. While degradation of the monomer into fragment species was non-Arrhenius with a negative activation energy, further degradation of Fab-Fc fragments into Fab or Fc fragments followed Arrhenius Law with an activation energy of 2.1 and 15.38 kcal/mol, respectively. CONCLUSION High temperature (50°C) causes mAb to cleave at the hinge region to form Fab-Fc and Fab/Fc, as confirmed by dynamic light scattering, SDS-PAGE, SEC, and MS. A kinetic model for hydrolytic fragmentation has been proposed. The results are expected to assist end users in formulation development as well as in monitoring stability of biotherapeutic products.
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12
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Wanner R, Breitsprecher D, Duhr S, Baaske P, Winter G. Thermo-Optical Protein Characterization for Straightforward Preformulation Development. J Pharm Sci 2017. [DOI: 10.1016/j.xphs.2017.06.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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13
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Baek Y, Singh N, Arunkumar A, Zydney AL. Effects of Histidine and Sucrose on the Biophysical Properties of a Monoclonal Antibody. Pharm Res 2016; 34:629-639. [DOI: 10.1007/s11095-016-2092-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 12/21/2016] [Indexed: 12/13/2022]
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14
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Ghosh R, Calero-Rubio C, Saluja A, Roberts CJ. Relating Protein-Protein Interactions and Aggregation Rates From Low to High Concentrations. J Pharm Sci 2016; 105:1086-96. [PMID: 26928400 DOI: 10.1016/j.xphs.2016.01.004] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 12/22/2015] [Accepted: 01/06/2016] [Indexed: 11/29/2022]
Abstract
At low protein concentrations (c2), non-native protein aggregation rates are known to be sensitive to changes in conformational stability and "weak" or "colloidal" protein-protein interactions. Protein-protein interactions are also known to be strong functions of c2. In the present work, protein-protein interactions and rates of aggregation were quantified systematically for a monoclonal antibody (MAb) across a broad range of c2 at pH 5.1 and 6.5, with or without 5 wt/wt % sucrose or 100 mM NaCl present. Aggregation rates were determined from initial-rate analysis with size-exclusion chromatography, and interactions were quantified with static and dynamic laser light scattering. A number of hypotheses were tested regarding whether changes in protein-protein interactions can be predictive of changes in aggregation rates versus c2. Hypotheses were based on (i) changes in thermodynamic activity; (ii) statistical mechanical fluctuation theory; and (iii) surface-contact probabilities. Arguments based on (i) and (ii) were qualitatively inconsistent with experimental rates and scattering. Hypothesis (iii) was reasonably successful and resulted in a semiquantitative correlation between rates and protein-protein interactions across almost 2 orders of magnitude in c2. However, (iii) requires one to assume that the concentration-dependent protein-protein Kirkwood-Buff integral is a reasonable surrogate for contact probabilities.
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Affiliation(s)
- Ranendu Ghosh
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716
| | - Cesar Calero-Rubio
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716
| | - Atul Saluja
- Department of Drug Product Science and Technology, Bristol-Myers Squibb, New Brunswick, New Jersey 08901
| | - Christopher J Roberts
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716.
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15
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Zbacnik TJ, Holcomb RE, Katayama DS, Murphy BM, Payne RW, Coccaro RC, Evans GJ, Matsuura JE, Henry CS, Manning MC. Role of Buffers in Protein Formulations. J Pharm Sci 2016; 106:713-733. [PMID: 27894967 DOI: 10.1016/j.xphs.2016.11.014] [Citation(s) in RCA: 123] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 10/25/2016] [Accepted: 11/17/2016] [Indexed: 12/19/2022]
Abstract
Buffers comprise an integral component of protein formulations. Not only do they function to regulate shifts in pH, they also can stabilize proteins by a variety of mechanisms. The ability of buffers to stabilize therapeutic proteins whether in liquid formulations, frozen solutions, or the solid state is highlighted in this review. Addition of buffers can result in increased conformational stability of proteins, whether by ligand binding or by an excluded solute mechanism. In addition, they can alter the colloidal stability of proteins and modulate interfacial damage. Buffers can also lead to destabilization of proteins, and the stability of buffers themselves is presented. Furthermore, the potential safety and toxicity issues of buffers are discussed, with a special emphasis on the influence of buffers on the perceived pain upon injection. Finally, the interaction of buffers with other excipients is examined.
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Affiliation(s)
| | - Ryan E Holcomb
- LegacyBioDesign LLC, Johnstown, Colorado 80534; Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523
| | - Derrick S Katayama
- LegacyBioDesign LLC, Johnstown, Colorado 80534; Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523
| | - Brian M Murphy
- LegacyBioDesign LLC, Johnstown, Colorado 80534; Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523
| | - Robert W Payne
- LegacyBioDesign LLC, Johnstown, Colorado 80534; Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523
| | | | | | | | - Charles S Henry
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523
| | - Mark Cornell Manning
- LegacyBioDesign LLC, Johnstown, Colorado 80534; Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523.
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16
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Chan CP. Forced degradation studies: current trends and future perspectives for protein-based therapeutics. Expert Rev Proteomics 2016; 13:651-8. [DOI: 10.1080/14789450.2016.1200469] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Christine P. Chan
- Global Manufacturing Science & Technology, Specialty Care Operations, Sanofi, Framingham, MA, USA
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17
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O'Brien C, Blanco M, Costanzo J, Enterline M, Fernandez E, Robinson A, Roberts C. Modulating non-native aggregation and electrostatic protein-protein interactions with computationally designed single-point mutations. Protein Eng Des Sel 2016; 29:231-243. [PMID: 27160179 PMCID: PMC4867096 DOI: 10.1093/protein/gzw010] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 02/29/2016] [Accepted: 03/28/2016] [Indexed: 11/14/2022] Open
Abstract
Non-native protein aggregation is a ubiquitous challenge in the production, storage and administration of protein-based biotherapeutics. This study focuses on altering electrostatic protein-protein interactions as a strategy to modulate aggregation propensity in terms of temperature-dependent aggregation rates, using single-charge variants of human γ-D crystallin. Molecular models were combined to predict amino acid substitutions that would modulate protein-protein interactions with minimal effects on conformational stability. Experimental protein-protein interactions were quantified by the Kirkwood-Buff integrals (G22) from laser scattering, and G22 showed semi-quantitative agreement with model predictions. Experimental initial-rates for aggregation showed that increased (decreased) repulsive interactions led to significantly increased (decreased) aggregation resistance, even based solely on single-point mutations. However, in the case of a particular amino acid (E17), the aggregation mechanism was altered by substitution with R or K, and this greatly mitigated improvements in aggregation resistance. The results illustrate that predictions based on native protein-protein interactions can provide a useful design target for engineering aggregation resistance; however, this approach needs to be balanced with consideration of how mutations can impact aggregation mechanisms.
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Affiliation(s)
- C.J. O'Brien
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
| | - M.A. Blanco
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
| | - J.A. Costanzo
- Department of Chemical Engineering, University of Virginia, Charlottesville, VA 22903, USA
| | - M. Enterline
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
| | - E.J. Fernandez
- Department of Chemical Engineering, University of Virginia, Charlottesville, VA 22903, USA
| | - A.S. Robinson
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA
| | - C.J. Roberts
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
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18
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Barnett GV, Razinkov VI, Kerwin BA, Hillsley A, Roberts CJ. Acetate- and Citrate-Specific Ion Effects on Unfolding and Temperature-Dependent Aggregation Rates of Anti-Streptavidin IgG1. J Pharm Sci 2016; 105:1066-73. [DOI: 10.1016/j.xphs.2015.12.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 12/15/2015] [Accepted: 12/15/2015] [Indexed: 01/20/2023]
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19
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Wu J, Schultz JS, Weldon CL, Sule SV, Chai Q, Geng SB, Dickinson CD, Tessier PM. Discovery of highly soluble antibodies prior to purification using affinity-capture self-interaction nanoparticle spectroscopy. Protein Eng Des Sel 2015; 28:403-14. [DOI: 10.1093/protein/gzv045] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Accepted: 08/12/2015] [Indexed: 11/14/2022] Open
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20
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Gencoglu MF, Heldt CL. Enveloped virus flocculation and removal in osmolyte solutions. J Biotechnol 2015; 206:8-11. [DOI: 10.1016/j.jbiotec.2015.03.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2015] [Revised: 03/26/2015] [Accepted: 03/31/2015] [Indexed: 12/30/2022]
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21
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Gencoglu MF, Pearson E, Heldt CL. Porcine parvovirus flocculation and removal in the presence of osmolytes. J Biotechnol 2014; 186:83-90. [DOI: 10.1016/j.jbiotec.2014.06.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Revised: 05/16/2014] [Accepted: 06/06/2014] [Indexed: 10/25/2022]
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22
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Roberts CJ. Protein aggregation and its impact on product quality. Curr Opin Biotechnol 2014; 30:211-7. [PMID: 25173826 DOI: 10.1016/j.copbio.2014.08.001] [Citation(s) in RCA: 203] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 08/02/2014] [Accepted: 08/09/2014] [Indexed: 01/24/2023]
Abstract
Protein pharmaceutical products are typically active as folded monomers that are composed of one or more protein chains, such as the heavy and light chains in monoclonal antibodies that are a mainstay of current drug pipelines. There are numerous possible aggregated states for a given protein, some of which are potentially useful, while most of which are considered deleterious from the perspective of pharmaceutical product quality and performance. This review provides an overview of how and why different aggregated states of proteins occur, how this potentially impacts product quality and performance, fundamental approaches to control aggregate formation, and the practical approaches that are currently used in the pharmaceutical industry.
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Affiliation(s)
- Christopher J Roberts
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA.
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23
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Roberts CJ. Therapeutic protein aggregation: mechanisms, design, and control. Trends Biotechnol 2014; 32:372-80. [PMID: 24908382 DOI: 10.1016/j.tibtech.2014.05.005] [Citation(s) in RCA: 296] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Revised: 05/08/2014] [Accepted: 05/13/2014] [Indexed: 11/28/2022]
Abstract
Although it is well known that proteins are only marginally stable in their folded states, it is often less well appreciated that most proteins are inherently aggregation-prone in their unfolded or partially unfolded states, and the resulting aggregates can be extremely stable and long-lived. For therapeutic proteins, aggregates are a significant risk factor for deleterious immune responses in patients, and can form via a variety of mechanisms. Controlling aggregation using a mechanistic approach may allow improved design of therapeutic protein stability, as a complement to existing design strategies that target desired protein structures and function. Recent results highlight the importance of balancing protein environment with the inherent aggregation propensities of polypeptide chains.
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Affiliation(s)
- Christopher J Roberts
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA.
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24
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Maurer RW, Hunter AK, Wang X, Wang WK, Robinson AS, Roberts CJ. Folding and aggregation of a multi-domain engineered immunotoxin. Biochem Eng J 2013. [DOI: 10.1016/j.bej.2013.09.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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