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Breton A, Cirtiu CM, Muehlethaler C, Rudge J, Fleury N. Validation of Mitra ® VAMS ® as a blood collection technique for trace elements analysis using ICP-MS/MS. Bioanalysis 2024; 16:203-217. [PMID: 38226838 DOI: 10.4155/bio-2023-0180] [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: 01/17/2024] Open
Abstract
Background: Clinical dosage of toxic and essential elements in blood is well established and the collection method is still by venipuncture. This method has drawbacks and is not suited for everyone. Volumetric absorptive microsampling (VAMS) has been shown to have advantages over venipuncture. Materials & methods: Using inductively coupled plasma tandem mass spectrometry, a method for quantifying elements in whole blood sampled on VAMS was developed/validated. Method's performance was assessed by comparison with whole blood results. Results: Validation and performance assessment tests tend to show that most of the targeted elements provides accurate and reproducible results comparing to a method of reference. Conclusion: Overall, VAMS presents good preliminary results to eventually become an alternative to venipuncture for blood sampling for some trace elements analysis purposes.
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Affiliation(s)
- Anthony Breton
- Institut National de Santé Publique du Québec (INSPQ), Centre de Toxicologie du Québec (CTQ), 945 Wolfe, Quebec, G1V 5B3, Canada
- Université du Québec à Trois-Rivières (UQTR), Department of Chemistry, Biochemistry & Physics, 3351 Boul. des Forges, Quebec, G9A 5H7, Canada
| | - Ciprian Mihai Cirtiu
- Institut National de Santé Publique du Québec (INSPQ), Centre de Toxicologie du Québec (CTQ), 945 Wolfe, Quebec, G1V 5B3, Canada
- Université du Québec à Trois-Rivières (UQTR), Department of Chemistry, Biochemistry & Physics, 3351 Boul. des Forges, Quebec, G9A 5H7, Canada
| | - Cyril Muehlethaler
- Université du Québec à Trois-Rivières (UQTR), Department of Chemistry, Biochemistry & Physics, 3351 Boul. des Forges, Quebec, G9A 5H7, Canada
| | - James Rudge
- Trajan Scientific & Medical, Crownhill Business Center, 14 Vincent Ave, Crownhill, Milton Keynes, MK8 0AB, UK
| | - Normand Fleury
- Institut National de Santé Publique du Québec (INSPQ), Centre de Toxicologie du Québec (CTQ), 945 Wolfe, Quebec, G1V 5B3, Canada
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Zhao J, Setchell KD, Zhao X, Galandi S, Garr BN, Gao Z, Chin C, Stark S, Steele PE, Ryan TD. Use of volumetric absorptive microsampling and parallel reaction monitoring mass spectrometry for tacrolimus blood trough measurements at home in pediatric heart transplant patients. J Mass Spectrom Adv Clin Lab 2024; 31:1-7. [PMID: 38163003 PMCID: PMC10755538 DOI: 10.1016/j.jmsacl.2023.11.004] [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] [Received: 09/27/2023] [Revised: 11/22/2023] [Accepted: 11/29/2023] [Indexed: 01/03/2024] Open
Abstract
Background Measurement of trough levels for calcineurin inhibitors by venipuncture sampling is a mainstay of patient management in solid organ transplant recipients but challenging in pediatric patients. Volumetric Absorptive Microsampling (VAMS) is a patient-friendly, minimally invasive sampling technique to accurately collect blood. An assay for measurement of tacrolimus in blood using VAMS, coupled with parallel reaction monitoring (PRM) mass spectrometry, was validated in pediatric heart transplant patients. Methods Tacrolimus was measured by a newly developed high-resolution PRM assay and compared with low-resolution tandem mass spectrometry (MRM). Dried blood samples were collected from pediatric heart transplant patients (n = 35) using VAMS devices and a satisfaction survey was completed by patients/guardians. Tacrolimus concentrations were compared across whole liquid blood, dried blood spots, and capillary blood, and shipping stability determined. Results The PRM assay was linear over a range 1-50 ng/mL, similar to MRM but had greater specificity due to reduced background noise. No significant differences in tacrolimus concentrations were observed between VAMS and venous blood. Tacrolimus dried on VAM tips was stable for 14 days and concentrations were unaffected by postal shipping. The variability in two simultaneously collected at-home patient samples was minimal - average concentration difference was 0.12 ± 0.94 ng/mL (p = 0.6) between paired samples. Conclusion A high resolution PRM mass spectrometry assay was developed for home-based dried blood collections for therapeutic monitoring of tacrolimus. The advantage of PRM was enhanced specificity and the VAMS devices provided a simple and convenient approach to blood sampling at home in pediatric heart transplant patients.
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Affiliation(s)
- Junfang Zhao
- Division of Pathology & Laboratory Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Kenneth D.R. Setchell
- Division of Pathology & Laboratory Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Xueheng Zhao
- Division of Pathology & Laboratory Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Stephanie Galandi
- Division of Pathology & Laboratory Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - BreAnn N Garr
- Heart Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Zhiqian Gao
- Heart Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Clifford Chin
- Heart Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Shelly Stark
- Heart Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Paul E. Steele
- Division of Pathology & Laboratory Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Thomas D. Ryan
- Heart Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
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Golsanamlu Z, Soleymani J, Gharekhani A, Jouyban A. In-situ preparation of norepinephrine-functionalized silver nanoparticles and application for colorimetric detection of tacrolimus in plasma samples. Heliyon 2023; 9:e18404. [PMID: 37576308 PMCID: PMC10412875 DOI: 10.1016/j.heliyon.2023.e18404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 07/11/2023] [Accepted: 07/17/2023] [Indexed: 08/15/2023] Open
Abstract
Tacrolimus (Tac) is a well-documented immunosuppressive agent for the prevention of graft-vs-host diseases in several types of organ transplants. The narrow therapeutic window and the individual-variable pharmacokinetics of Tac demonstrate the importance of regular therapeutic drug monitoring (TDM) as an imperative concept for its oral medication regimens. A simple, one-step, selective, and sensitive colorimetric platform is fabricated for the determination of Tac by surface modification of the silver nanoparticles (AgNPs) via norepinephrine (NE) molecules. The attachment of NE and Tac induces the aggregation of the AgNPs, which is observed by color distinction (yellow to brown) and a noteworthy shifting of the absorption peak in the visible region. The fabricated nanoprobe can detect Tac concentrations in plasma samples in two linear ranges from 2 ng/mL to 70 ng/mL and 70 ng/mL to 1000 ng/mL with R2 > 0.99. The limit of detection (LOD) was calculated as low as 0.1 ng/mL. The developed method was applied for the determination of Tac in patient's plasma samples under Tac medication therapy.
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Affiliation(s)
- Zahra Golsanamlu
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jafar Soleymani
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Afshin Gharekhani
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Pharmacy (Pharmacotherapy), Faculty of Pharmacy, Sina Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
- Pharmaceutical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Kocur A, Rubik J, Czarnowski P, Czajkowska A, Marszałek D, Sierakowski M, Górska M, Pawiński T. Therapeutic drug monitoring of mycophenolic acid (MPA) using volumetric absorptive microsampling (VAMS) in pediatric renal transplant recipients: ultra-high-performance liquid chromatography-tandem mass spectrometry analytical method development, cross-validation, and clinical application. Pharmacol Rep 2023:10.1007/s43440-023-00509-w. [PMID: 37452967 PMCID: PMC10374821 DOI: 10.1007/s43440-023-00509-w] [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: 06/19/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND Mycophenolic acid (MPA) is widely used in posttransplant pharmacotherapy for pediatric patients after renal transplantation. Volumetric absorptive microsampling (VAMS) is a recent approach for sample collection, particularly during therapeutic drug monitoring (TDM). The recommended matrix for MPA determination is plasma (PL), and conversion between capillary-blood VAMS samples and PL concentrations is required for the appropriate interpretation of the results. METHODS This study aimed to validate and develop a UHPLC-MS/MS method for MPA quantification in whole blood (WB), PL, and VAMS samples, with cross and clinical validation based on regression calculations. Methods were validated in the 0.10-15 µg/mL range for trough MPA concentration measurement according to the European Medicines Agency (EMA) guidelines. Fifty pediatric patients treated with MPA after renal transplantation were included in this study. PL and WB samples were obtained via venipuncture, whereas VAMS samples were collected after the fingerstick. The conversion from VAMSMPA to PLMPA concentration was performed using formulas based on hematocrit values and a regression model. RESULTS LC-MS/MS methods were successfully developed and validated according to EMA guidelines. The cross-correlation between the methods was evaluated using Passing-Bablok regression, Bland-Altman bias plots, and predictive performance calculations. Clinical validation of the developed method was successfully performed, and the formula based on regression was successfully validated for VAMSMPA to PLMPA concentration and confirmed on an independent group of samples. CONCLUSIONS This study is the first development of a triple matrix-based LC-MS/MS method for MPA determination in the pediatric population after renal transplantation. For the first time, the developed methods were cross-validated with routinely used HPLC-DAD protocol.
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Affiliation(s)
- Arkadiusz Kocur
- Department of Drug Chemistry, Medical University of Warsaw, 1 Banacha St, 02-091, Warsaw, Poland.
- Pharmacokinetics Laboratory, Department of Biochemistry, Radioimmunology, and Experimental Medicine, The Children's Memorial Health Institute, Dzieci Polskich 20, 04-730, Warsaw, Poland.
| | - Jacek Rubik
- Department of Nephrology, Kidney Transplantation, and Arterial Hypertension, The Children's Memorial Health Institute, Dzieci Polskich 20, 04-730, Warsaw, Poland
| | - Paweł Czarnowski
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, Roentgena 5, 02-781, Warsaw, Poland
| | - Agnieszka Czajkowska
- Pharmacokinetics Laboratory, Department of Biochemistry, Radioimmunology, and Experimental Medicine, The Children's Memorial Health Institute, Dzieci Polskich 20, 04-730, Warsaw, Poland
| | - Dorota Marszałek
- Department of Drug Chemistry, Medical University of Warsaw, 1 Banacha St, 02-091, Warsaw, Poland
| | - Maciej Sierakowski
- Institute of Biological Sciences, Cardinal Stefan Wyszynski University, 1/3 Kazimierza Wóycickiego St, 01-938, Warsaw, Poland
| | - Marta Górska
- Pharmacokinetics Laboratory, Department of Biochemistry, Radioimmunology, and Experimental Medicine, The Children's Memorial Health Institute, Dzieci Polskich 20, 04-730, Warsaw, Poland
| | - Tomasz Pawiński
- Department of Drug Chemistry, Medical University of Warsaw, 1 Banacha St, 02-091, Warsaw, Poland
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Cafaro A, Conti M, Pigliasco F, Barco S, Bandettini R, Cangemi G. Biological Fluid Microsampling for Therapeutic Drug Monitoring: A Narrative Review. Biomedicines 2023; 11:1962. [PMID: 37509602 PMCID: PMC10377272 DOI: 10.3390/biomedicines11071962] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/04/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Therapeutic drug monitoring (TDM) is a specialized area of laboratory medicine which involves the measurement of drug concentrations in biological fluids with the aim of optimizing efficacy and reducing side effects, possibly modifying the drug dose to keep the plasma concentration within the therapeutic range. Plasma and/or whole blood, usually obtained by venipuncture, are the "gold standard" matrices for TDM. Microsampling, commonly used for newborn screening, could also be a convenient alternative to traditional sampling techniques for pharmacokinetics (PK) studies and TDM, helping to overcome practical problems and offering less invasive options to patients. Although technical limitations have hampered the use of microsampling in these fields, innovative techniques such as 3-D dried blood spheroids, volumetric absorptive microsampling (VAMS), dried plasma spots (DPS), and various microfluidic devices (MDS) can now offer reliable alternatives to traditional samples. The application of microsampling in routine clinical pharmacology is also hampered by the need for instrumentation capable of quantifying analytes in small volumes with sufficient sensitivity. The combination of microsampling with high-sensitivity analytical techniques, such as liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS), is particularly effective in ensuring high accuracy and sensitivity from very small sample volumes. This manuscript provides a critical review of the currently available microsampling devices for both whole blood and other biological fluids, such as plasma, urine, breast milk, and saliva. The purpose is to provide useful information in the scientific community to laboratory personnel, clinicians, and researchers interested in implementing the use of microsampling in their routine clinical practice.
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Affiliation(s)
- Alessia Cafaro
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Matteo Conti
- Public Health Department, Imola Local Unit, Regione Emilia-Romagna Healthcare Service, 40026 Imola, Italy
| | - Federica Pigliasco
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Sebastiano Barco
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Roberto Bandettini
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Giuliana Cangemi
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
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