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Ryan M, Lam N, Wright K, Siderov J. Clinical Oncology Society of Australia Position Statement: 2022 update to the safe handling of monoclonal antibodies in healthcare settings. Asia Pac J Clin Oncol 2023; 19:723-730. [PMID: 36899469 DOI: 10.1111/ajco.13943] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/13/2023] [Accepted: 01/17/2023] [Indexed: 03/12/2023]
Abstract
AIM The aims were to (a) review the scientific literature on occupational risk, including exposure mechanisms and risk assessment, with regards to handling monoclonal antibodies (mABs) in healthcare settings; and (b) update the recommendations in the Clinical Oncology Society of Australia (COSA) safe handling of monoclonal antibodies in healthcare settings position statement, published in 2013. METHODS A literature search was conducted between April 24, 2022, and July 3, 2022, to identify evidence relating to occupational exposure and handling of mABs in healthcare settings. Evidence in the literature was compared to the Position Statement published in 2013, and any potential additions, deletions, or revisions were discussed by the authors, and then agreed changes were made. RESULTS Thirty-nine references were included in this update, comprising of the 2013 Position Statement itself and 10 of its references, as well as 28 new references. The risks to healthcare workers in the preparation and administration of mABs arise from four distinct exposure mechanisms: dermal, mucosal, inhalation, and oral. Updates included recommendations on using protective eyewear during the preparation and administration of mABs, developing a local institutional risk assessment tool and handling recommendations, considerations for using closed system transfer devices, and to have awareness of the nomenclature change from 2021 for new mABs. CONCLUSION Practitioners should follow the 14 recommendations to lower occupational risk when handling mABs. Another Position Statement update should occur in 5-10 years to ensure the currency of recommendations.
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Affiliation(s)
- Marissa Ryan
- Department of Pharmacy, Princess Alexandra Hospital, Brisbane, Australia
- Centre for Health Services Research, The University of Queensland, Brisbane, Australia
- Centre for Online Health, The University of Queensland, Brisbane, Australia
| | - Neil Lam
- Icon Cancer Centre River City Pharmacy, Brisbane, Australia
| | - Kate Wright
- Central West Cancer Care Centre, Orange, Australia
- Department of Pharmacy, Orange Health Service, Orange, Australia
| | - Jim Siderov
- Department of Pharmacy, Austin Health, Melbourne, Australia
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Reinders LMH, Noelle D, Klassen MD, Jaeger M, Schmidt TC, Tuerk J, Teutenberg T. Development and validation of a method for airborne monoclonal antibodies to quantify workplace exposure. J Pharm Biomed Anal 2022; 221:115046. [PMID: 36152489 DOI: 10.1016/j.jpba.2022.115046] [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: 07/26/2022] [Revised: 09/06/2022] [Accepted: 09/11/2022] [Indexed: 10/31/2022]
Abstract
Modern therapy strategies are based on patient-specific treatment where the drug and dose are optimally adapted to the patient's needs. In recent drugs, monoclonal antibodies (mAbs) are increasingly used as active ingredients. Their patient-specific formulations are not part of the pharmaceutical industry's manufacturing process but are prepared from concentrates by pharmaceutical personnel. During the manufacturing process, however, active pharmaceutical ingredients are released in trace amounts or, in the case of accidents and spills, also in high concentrations. Regardless of the source of entry, mAbs can become airborne, be inhaled, and cause undesirable side-effects such as sensitization. To assess the risk for pharmaceutical personnel, a personal air sampling method was developed and validated for bevacizumab, cetuximab, daratumumab, omalizumab, rituximab and trastuzumab. The method is based on the combination of high-performance liquid chromatography with tandem mass spectrometry (HPLC-MS/MS). The analytical method achieves a limit of detection of 0.30-8.8 ng mL-1, recoveries of 83-96 % (intra-day assay) and 75-89 % (inter-day assay), with no detectable carry-over. A polycarbonate filter proved suitable for sampling airborne monoclonal antibodies, as it achieved 80-104 % recovery across all mAbs. It also showed concentration-independent desorption efficiency. The sampling duration can be up to 480 min without negatively affecting the recovery. MAbs are stable on the polycarbonate filter at 5 °C for 3 days (recovery: 94 % ± 5 %) and at - 20 °C for 14 days (recovery: 97 % ± 4 %). Our method demonstrated that there is a potential for release when handling monoclonal antibodies. However, this can be reduced below the limit of detection by using pressure equalization systems (spikes).
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Affiliation(s)
- Lars M H Reinders
- Institut für Energie und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229 Duisburg, Germany; Hochschule Niederrhein (University of Applied Science), Reinarzstr. 49, 47805 Krefeld, Germany; University Duisburg-Essen, Faculty of Chemistry, Instrumental Analytical Chemistry, Universitätsstr. 5, 45141 Essen, Germany
| | - Dennis Noelle
- Institut für Energie und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229 Duisburg, Germany; Hochschule Niederrhein (University of Applied Science), Reinarzstr. 49, 47805 Krefeld, Germany
| | - Martin D Klassen
- Institut für Energie und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229 Duisburg, Germany
| | - Martin Jaeger
- Hochschule Niederrhein (University of Applied Science), Reinarzstr. 49, 47805 Krefeld, Germany
| | - Torsten C Schmidt
- University Duisburg-Essen, Faculty of Chemistry, Instrumental Analytical Chemistry, Universitätsstr. 5, 45141 Essen, Germany
| | - Jochen Tuerk
- Institut für Energie und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229 Duisburg, Germany
| | - Thorsten Teutenberg
- Institut für Energie und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229 Duisburg, Germany.
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Reinders LMH, Klassen MD, Teutenberg T, Jaeger M, Schmidt TC. Comparison of originator and biosimilar monoclonal antibodies using HRMS, Fc affinity chromatography, and 2D-HPLC. Anal Bioanal Chem 2022; 414:6761-6769. [PMID: 35895102 DOI: 10.1007/s00216-022-04236-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 07/06/2022] [Accepted: 07/15/2022] [Indexed: 11/30/2022]
Abstract
Due to the complex manufacturing process of therapeutic monoclonal antibodies, it is hardly possible to produce an identical copy of the original product (originator). Consequently, follow-on products (biosimilars) must demonstrate their efficacy being similar to the originator in terms of structure and function. During this process, a variety of analytical methods are required for this purpose. This study focuses on three particularly relevant analytical techniques: high-resolution mass spectrometry, fragment crystallisable (Fc) affinity chromatography, and two-dimensional peptide mapping. Each analytical method proved able to identify specific differences between originator and biosimilar. High-resolution mass spectrometry was used to characterize the glycan pattern. It was shown that a trastuzumab biosimilar did not have the G0:G0F sugar modification identified in the originator. The application of affinity chromatography to rituximab showed that originator and biosimilar interacted differently with the immobilized Fc receptor. Furthermore, 2D-HPLC peptide mapping demonstrated the influence of orthogonality of separation dimensions, leading to differentiation of a rituximab originator and biosimilar.
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Affiliation(s)
- Lars M H Reinders
- Institut Für Energie- und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229, Duisburg, Germany
- Hochschule Niederrhein (University of Applied Science), Reinarzstr. 49, 47805, Krefeld, Germany
- Instrumental Analytical Chemistry, Faculty of Chemistry, University Duisburg-Essen, Universitätsstr. 5, 45141, Essen, Germany
| | - Martin D Klassen
- Institut Für Energie- und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229, Duisburg, Germany
| | - Thorsten Teutenberg
- Institut Für Energie- und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229, Duisburg, Germany.
| | - Martin Jaeger
- Hochschule Niederrhein (University of Applied Science), Reinarzstr. 49, 47805, Krefeld, Germany
| | - Torsten C Schmidt
- Instrumental Analytical Chemistry, Faculty of Chemistry, University Duisburg-Essen, Universitätsstr. 5, 45141, Essen, Germany
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Interest of high-resolution mass spectrometry in analytical toxicology: Focus on pharmaceuticals. TOXICOLOGIE ANALYTIQUE ET CLINIQUE 2022. [DOI: 10.1016/j.toxac.2021.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Reinders LMH, Klassen MD, Teutenberg T, Jaeger M, Schmidt TC. Development of a multidimensional online method for the characterization and quantification of monoclonal antibodies using immobilized flow-through enzyme reactors. Anal Bioanal Chem 2021; 413:7119-7128. [PMID: 34628527 DOI: 10.1007/s00216-021-03683-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/14/2021] [Accepted: 09/20/2021] [Indexed: 01/06/2023]
Abstract
Complete characterization and quantification of monoclonal antibodies often rely on enzymatic digestion with trypsin. In order to accelerate and automate this frequently performed sample preparation step, immobilized enzyme reactors (IMER) compatible with standard HPLC systems were used. This allows an automated online approach in all analytical laboratories. We were able to demonstrate that the required digestion time for the model monoclonal antibody rituximab could be reduced to 20 min. Nevertheless, a previous denaturation of the protein is required, which also needs 20 min. Recoveries were determined at various concentrations and were 100% ± 1% at 100 ng on column, 96% ± 7% at 250 ng on column and 98% ± 2% at 450 ng on column. Despite these good recoveries, complete digestion was not achieved, resulting in a poorer limit of quantification. This is 50 ng on column under optimized IMER conditions, whereas an offline digest on the same system achieved 0.3 ng on column. Furthermore, our work revealed that TRIS buffers, when used with an IMER system, led to alteration of the peptides and induced modifications in the peptides. Therefore, the addition of TRIS should be avoided when working at elevated temperatures of about 60 °C. Nevertheless, our results have shown that the recovery is not significantly influenced whether TRIS is used or not (recovery: 96 ± 7% with TRIS vs. 100 ± 9% without TRIS).
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Affiliation(s)
- Lars M H Reinders
- Institut für Energie und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229, Duisburg, Germany.,Hochschule Niederrhein, University of Applied Science, Reinarzstr. 49, 47805, Krefeld, Germany.,Faculty of Chemistry, Instrumental Analytical Chemistry, University Duisburg-Essen, Universitätsstr. 5, 45141, Essen, Germany
| | - Martin D Klassen
- Institut für Energie und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229, Duisburg, Germany
| | - Thorsten Teutenberg
- Institut für Energie und Umwelttechnik e. V. (IUTA, Institute of Energy and Environmental Technology), Bliersheimer Str. 58-60, 47229, Duisburg, Germany.
| | - Martin Jaeger
- Hochschule Niederrhein, University of Applied Science, Reinarzstr. 49, 47805, Krefeld, Germany
| | - Torsten C Schmidt
- Faculty of Chemistry, Instrumental Analytical Chemistry, University Duisburg-Essen, Universitätsstr. 5, 45141, Essen, Germany
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Simultaneous quantification of rituximab and eculizumab in human plasma by liquid chromatography-tandem mass spectrometry and comparison with rituximab ELISA kits. Clin Biochem 2020; 87:60-66. [PMID: 33096054 DOI: 10.1016/j.clinbiochem.2020.10.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 09/30/2020] [Accepted: 10/15/2020] [Indexed: 11/20/2022]
Abstract
OBJECTIVES Specific and sensitive analytical techniques to quantify therapeutic monoclonal antibodies (mAbs) are required for therapeutic drug monitoring. The quantification of mAbs has been historically performed using enzyme-linked immunosorbent assays (ELISAs), for which the limitations in terms of specificity have led to the development of alternative analytical strategies. METHODS Here, we describe the validation of a liquid chromatography tandem mass-spectrometry (LC-MS/MS) method for the simultaneous quantification of rituximab (RTX - anti-CD20) and eculizumab (ECU - anti-C5). Sample preparation was based on our previously published method, using protein G purification and trypsin digestion. A new specific peptide for RTX, containing an N-terminal pyroglutamine and a trypsin miss-cleavage, enables better sensitivity, while peptide of ECU was chosen thanks to an in silico trypsin digestion and the Skyline® software. Full-length stable-isotope-labeled adalimumab was added to plasma samples as an internal standard. RTX in 50 human serum samples was quantified by LC-MS/MS and the concentrations obtained compared to those obtained with two commercial ELISA kits (Lisa Tracker® and Promonitor®). RESULTS Calibration curves were linear from 1 to 200 µg.mL-1 for RTX and 5 to 200 µg.mL-1 for ECU, and within-day and between-day accuracy and precision fulfilled Food and Drug Administration validation criteria. Comparison of the LC-MS/MS method with ELISA showed a negligible bias with the Lisa Tracker® kit (4%), but significant bias with the Promonitor® assay (mean underestimation of 69% for the Promonitor® assay). CONCLUSIONS This new LC-MS/MS method allows the simultaneous quantification of RTX and ECU in human samples and could be used for therapeutic drug monitoring.
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