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Jiang X, Xu X, Zeng L, Song S, Xu L, Kuang H, Liu L, Xu C. A gold-based immunochromatographic strip for the detection of sirolimus in human whole blood. Analyst 2022; 147:1394-1402. [DOI: 10.1039/d1an02297k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The schematic of a colloidal gold-based immunochromatographic strip for the detection of sirolimus in human whole blood.
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Affiliation(s)
- Xiaoqian Jiang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Lu Zeng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Shanshan Song
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liguang Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
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Antunes NJ, Kipper K, Couchman L, Duncan MA, Holt DW, De Nucci G, Johnston A. Simultaneous quantification of cyclosporin, tacrolimus, sirolimus and everolimus in whole blood by UHPLC-MS/MS for therapeutic drug monitoring. Biomed Chromatogr 2021; 35:e5071. [PMID: 33462848 DOI: 10.1002/bmc.5071] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/30/2020] [Accepted: 01/12/2021] [Indexed: 12/28/2022]
Abstract
The aim of this study was to develop and validate a UHPLC-MS/MS assay to quantify cyclosporin (CYC), tacrolimus (TAC), sirolimus (SIR) and everolimus (EVE) in human whole blood for therapeutic drug monitoring. Analytes were extracted from 50 μL human whole blood by protein precipitation. The separation of the drugs was performed on an Acquity UPLC BEH C18 column. Analytes were eluted with a mobile phase consisting of 2 mM ammonium acetate with 0.1% formic acid (v/v) in deionised water and 2 mM ammonium acetate with 0.1% formic acid (v/v) in methanol at a flow rate of 300 μL/min in gradient elution. The method performance was evaluated by analysing patient blood samples and/or external quality control samples [proficiency testing (PT) scheme]. The method was linear from 23.75 to 1094.0, 1.3 to 42.4, 1.3 to 47.0 and 1.2-41.6 μg/mL for CYC, TAC, SIR and EVE, respectively. The within- and between-assay reproducibility results were ˂ 11%. Results from PT and patient sample quantification were comparable to those obtained previously by an in-house validated method using protein precipitation and liquid-liquid extraction. This method showed good analytical performance for quantifying CYC, TAC, SIR and EVE in whole blood over their respective calibration ranges.
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Affiliation(s)
- Natalicia J Antunes
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, SP, Brazil.,Clinical Pharmacology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK.,Analytical Services International (ASI) Ltd, St George's-University of London, London, UK
| | - Karin Kipper
- Analytical Services International (ASI) Ltd, St George's-University of London, London, UK.,Institute of Chemistry, University of Tartu, Tartu, Estonia
| | - Lewis Couchman
- Analytical Services International (ASI) Ltd, St George's-University of London, London, UK.,Pharmaceutical Sciences Clinical Academic Group, King's College London, London, UK
| | - Marie-Anne Duncan
- Analytical Services International (ASI) Ltd, St George's-University of London, London, UK
| | - David W Holt
- Analytical Services International (ASI) Ltd, St George's-University of London, London, UK
| | - Gilberto De Nucci
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Atholl Johnston
- Clinical Pharmacology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK.,Analytical Services International (ASI) Ltd, St George's-University of London, London, UK
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Report from the 2018 consensus conference on immunomodulating agents in thoracic transplantation: Access, formulations, generics, therapeutic drug monitoring, and special populations. J Heart Lung Transplant 2020; 39:1050-1069. [DOI: 10.1016/j.healun.2020.06.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 06/29/2020] [Indexed: 01/06/2023] Open
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Becker A, Backman JT, Itkonen O. Comparison of LC-MS/MS and chemiluminescent immunoassays for immunosuppressive drugs reveals organ dependent variation in blood cyclosporine a concentrations. Clin Chim Acta 2020; 508:22-27. [DOI: 10.1016/j.cca.2020.05.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 03/20/2020] [Accepted: 05/04/2020] [Indexed: 10/24/2022]
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Stove V, Ramos PA, Wallemacq P, Vogeser M, Schuetzenmeister A, Schmiedel C, Shipkova M. Measurement of sirolimus concentrations in human blood using an automated electrochemiluminescence immunoassay (ECLIA): a multicenter evaluation. Clin Chem Lab Med 2019; 56:764-775. [PMID: 29206642 DOI: 10.1515/cclm-2017-0583] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 10/28/2017] [Indexed: 11/15/2022]
Abstract
BACKGROUND Therapeutic drug monitoring (TDM) of sirolimus is essential in transplant recipients. We evaluated the performance of a new electrochemiluminescence immunoassay (ECLIA) for measuring sirolimus concentrations in whole blood at five European laboratories. METHODS Study assessments included repeatability, intermediate precision and functional sensitivity (concentration at coefficient of variation [CV] of 20%) experiments. Method comparisons with liquid chromatography-tandem mass spectrometry (LC-MS/MS; reference method) and two immunoassays (chemiluminescent microparticle immunoassay [CMIA] and antibody-conjugated magnetic immunoassay [ACMIA]) were performed using native samples from patients with kidney transplants. RESULTS Imprecision testing CVs were ≤6.4% and ≤10.7% across the sirolimus concentration range for both repeatability and intermediate precision, respectively. The ECLIA showed excellent functional sensitivity: the CV did not reach 20%; the CV at the assay's limit of quantitation (1.5 μg/L) was 7.0%. Agreement between the ECLIA and LC-MS/MS using native kidney samples was close, with weighted Deming regression analysis yielding a slope of 1.05, an intercept of 0.154 μg/L and a Pearson's correlation coefficient (r) of 0.94, while Bland-Altman analysis showed a combined mean bias of 0.41 μg/L (±2 standard deviation [SD], -1.96 to 2.68). The ECLIA also showed good correlation with the two other immunoassays: the CMIA (slope=0.91, intercept=0.112 μg/L and r=0.89) and the ACMIA (slope=0.99, intercept=0.319 μg/L and r=0.97). CONCLUSIONS The ECLIA showed good precision, functional sensitivity and agreement with other methods of sirolimus measurement used in clinical practice, suggesting that the assay is suitable for TDM in transplant recipients and provides an alternative to LC-MS/MS.
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Affiliation(s)
- Veronique Stove
- Clinical Biologist, Department of Laboratory Medicine, Ghent University and Ghent University Hospital, De Pintelaan 185, Ghent, Belgium
| | - Pedro Alía Ramos
- IDIBELL - Bellvitge Biomedical Research Institute, Bellvitge University Hospital, L'Hospitalet de Llobregat, Barcelona, Spain
| | | | - Michael Vogeser
- Institute of Laboratory Medicine, Hospital of the University of Munich, Munich, Germany
| | | | | | - Maria Shipkova
- Central Institute for Laboratory Medicine and Clinical Chemistry, Klinikum-Stuttgart, Stuttgart, Germany
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Qin X, Rui J, Xia Y, Mu H, Song SH, Raja Aziddin RE, Miles G, Sun Y, Chun S. Multi-center Performance Evaluations of Tacrolimus and Cyclosporine Electrochemiluminescence Immunoassays in the Asia-Pacific Region. Ann Lab Med 2018; 38:85-94. [PMID: 29214751 PMCID: PMC5736684 DOI: 10.3343/alm.2018.38.2.85] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 06/23/2017] [Accepted: 09/29/2017] [Indexed: 01/28/2023] Open
Abstract
Background The immunosuppressant drugs (ISDs), tacrolimus and cyclosporine, are vital for solid organ transplant patients to prevent rejection. However, toxicity is a concern, and absorption is highly variable across patients; therefore, ISD levels need to be precisely monitored. In the Asia-Pacific (APAC) region, tacrolimus and cyclosporine concentrations are typically measured using immunoassays. The objective of this study was to assess the analytical performance of Roche Elecsystacrolimus and cyclosporinee electrochemiluminescence immunoassays (ECLIAs). Methods This evaluation was performed in seven centers across China, South Korea, and Malaysia. Imprecision (repeatability and reproducibility), assay accuracy, and lot-to-lot reagent variability were tested. The Elecsys ECLIAs were compared with commercially available immunoassays (Architect, Dimension, and Viva-E systems) using whole blood samples from patients with various transplant types (kidney, liver, heart, and bone marrow). Results Coefficients of variation for repeatability and reproducibility were ≤5.4% and ≤12.4%, respectively, for the tacrolimus ECLIA, and ≤5.1% and ≤7.3%, respectively, for the cyclosporine ECLIA. Method comparisons of the tacrolimus ECLIA with Architect, Dimension, and Viva-E systems yielded slope values of 1.01, 1.14, and 0.897, respectively. The cyclosporine ECLIA showed even closer agreements with the Architect, Dimension, and Viva-E systems (slope values of 1.04, 1.04, and 1.09, respectively). No major differences were observed among the different transplant types. Conclusions The tacrolimus and cyclosporine ECLIAs demonstrated excellent precision and close agreement with other immunoassays tested. These results show that both assays are suitable for ISD monitoring in an APAC population across a range of different transplant types.
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Affiliation(s)
- Xuzhen Qin
- Peking Union Medical College Hospital, Beijing, China
| | - Jianzhong Rui
- Department of Pharmacology, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Yong Xia
- The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Hong Mu
- Tianjin First Center Hospital, Tianjin, China
| | - Sang Hoon Song
- Department of Laboratory Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Raja Elina Raja Aziddin
- Department of Pathology, Hospital Kuala Lumpur Drug and Research Laboratory, Kuala Lumpur, Malaysia
| | | | - Yuli Sun
- Roche Diagnostics, Penzberg, Germany
| | - Sail Chun
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
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Assuring the Proper Analytical Performance of Measurement Procedures for Immunosuppressive Drug Concentrations in Clinical Practice. Ther Drug Monit 2016; 38:170-89. [DOI: 10.1097/ftd.0000000000000269] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Wishart DS. Emerging applications of metabolomics in drug discovery and precision medicine. Nat Rev Drug Discov 2016; 15:473-84. [PMID: 26965202 DOI: 10.1038/nrd.2016.32] [Citation(s) in RCA: 846] [Impact Index Per Article: 105.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Metabolomics is an emerging 'omics' science involving the comprehensive characterization of metabolites and metabolism in biological systems. Recent advances in metabolomics technologies are leading to a growing number of mainstream biomedical applications. In particular, metabolomics is increasingly being used to diagnose disease, understand disease mechanisms, identify novel drug targets, customize drug treatments and monitor therapeutic outcomes. This Review discusses some of the latest technological advances in metabolomics, focusing on the application of metabolomics towards uncovering the underlying causes of complex diseases (such as atherosclerosis, cancer and diabetes), the growing role of metabolomics in drug discovery and its potential effect on precision medicine.
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Affiliation(s)
- David S Wishart
- Department of Biological Sciences, CW 405, Biological Sciences Building, University of Alberta, Edmonton, Alberta, Canada T6G 2E9.,Department of Computing Science, 2-21 Athabasca Hall University of Alberta, Edmonton, Alberta, Canada T6G 2E8.,National Institute of Nanotechnology, National Research Council, Edmonton, Alberta, Canada T6G 2M9
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Horowitz GL. Assessing Accuracy on the Front Lines: A Pragmatic Approach for Single-Donor Proficiency Testing. Clin Chem 2014; 60:806-8. [DOI: 10.1373/clinchem.2014.224154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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