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Cafaro A, Stella M, Mesini A, Castagnola E, Cangemi G, Mattioli F, Baiardi G. Dose optimization and target attainment of vancomycin in children. Clin Biochem 2024; 125:110728. [PMID: 38325652 DOI: 10.1016/j.clinbiochem.2024.110728] [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: 12/05/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/09/2024]
Abstract
Vancomycin is a glycopeptide antibiotic that has been adopted in clinical practice to treat gram-positive infections for more than 70 years. Despite vancomycin's long history of therapeutic use, optimal dose adjustments and pharmacokinetic/pharmacodynamic (PK/PD) target attainment in children are still under debate. Therapeutic drug monitoring (TDM) has been widely integrated into pediatric clinical practice to maximize efficacy and safety of vancomycin treatment. Area under the curve (AUC)-guided TDM has been recently recommended instead of trough-only TDM to ensure PK/PD target attainment of AUC0-24h/minimal inhibitory concentration (MIC) > 400 to 600 and minimize acute kidney injury risk. Bayesian forecasting in pediatric patients allows estimation of population PK to accurately predict individual vancomycin concentrations over time, and consequently total vancomycin exposure. AUC-guided TDM for vancomycin, preferably with Bayesian forecasting, is therefore suggested for all pediatric age groups and special pediatric populations. In this review we aim to analyze the current literature on the pediatric use of vancomycin and summarize the current knowledge on dosing optimization for target attainment in special patient populations.
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Affiliation(s)
- Alessia Cafaro
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina, Gaslini, Genova, Italy
| | - Manuela Stella
- UOC Servizio di Sperimentazioni Cliniche Pediatriche, IRCCS Istituto Giannina Gaslini, Genova, Italy; Department of Internal Medicine, Pharmacology & Toxicology Unit, University of Genoa, Genova, Italy
| | - Alessio Mesini
- Infectious Disease Unit, Department of Pediatrics, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Elio Castagnola
- Infectious Disease Unit, Department of Pediatrics, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Giuliana Cangemi
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina, Gaslini, Genova, Italy.
| | - Francesca Mattioli
- Department of Internal Medicine, Pharmacology & Toxicology Unit, University of Genoa, Genova, Italy; Clinical Pharmacology Unit, Ente Ospedaliero Ospedali Galliera, Genova, Italy
| | - Giammarco Baiardi
- Department of Internal Medicine, Pharmacology & Toxicology Unit, University of Genoa, Genova, Italy; Clinical Pharmacology Unit, Ente Ospedaliero Ospedali Galliera, Genova, Italy
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Brozmanová H, Šištík P, Ďuricová J, Kacířová I, Kaňková K, Kolek M. Liquid chromatography-tandem mass spectrometry methods for quantification of total and free antibiotic concentrations in serum and exudate from patients with post-sternotomy deep sternal wound infection receiving negative pressure wound therapy. Clin Chim Acta 2024; 554:117704. [PMID: 38185284 DOI: 10.1016/j.cca.2023.117704] [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: 10/25/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND Systemically administered antibiotics are thought to penetrate the wounds more effectively during negative pressure wound therapy (NPWT).To test this hypothesis total and free antibiotic concentrations were quantified in serum and wound exudate. METHODS UHPLC-MS/MS methods were developed and validated for the determination of ceftazidime, cefepime, cefotaxime, cefuroxime, cefazolin, meropenem, oxacillin, piperacillin with tazobactam, clindamycin, ciprofloxacin, sulfamethoxazole/trimethoprim (cotrimoxazole), gentamicin, vancomycin, and linezolid. The unbound antibiotic fraction was obtained by ultrafiltration using a Millipore Microcon-30kda Centrifugal Filter Unit. Analysis was performed on a 1.7-µm Acquity UPLC BEH C18 2.1 × 100-mm column with a gradient elution. RESULTS The validation was performed for serum, exudates and free fractions. For all matrices, requirements were met regarding linearity, precision, accuracy, limit of quantitation, and matrix effect. The coefficient of variation was in the range of 1.2-13.6%.and the recovery 87.6-115.6%, respectively. Among the 29 applications of antibiotics thus far, including vancomycin, clindamycin, ciprofloxacin, oxacillin, cefepime, cefotaxime, cotrimoxazole, and gentamicin, total and free antibiotic concentrations in serum and exudate were correlated. CONCLUSION This method can accurately quantify the total and free concentrations of 16 antibiotics. Comparison of concentration ratios between serum and exudates allows for monitoring individual antibiotics' penetration capacity in patients receiving NPWT.
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Affiliation(s)
- Hana Brozmanová
- Department of Clinical Pharmacology, Institute of Laboratory Medicine, University Hospital Ostrava, 17. listopadu 1790, 708 52 Ostrava, Czech Republic; Department of Clinical Pharmacology, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00 Ostrava, Czech Republic
| | - Pavel Šištík
- Department of Clinical Pharmacology, Institute of Laboratory Medicine, University Hospital Ostrava, 17. listopadu 1790, 708 52 Ostrava, Czech Republic; Department of Clinical Pharmacology, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00 Ostrava, Czech Republic.
| | - Jana Ďuricová
- Department of Clinical Pharmacology, Institute of Laboratory Medicine, University Hospital Ostrava, 17. listopadu 1790, 708 52 Ostrava, Czech Republic; Department of Clinical Pharmacology, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00 Ostrava, Czech Republic
| | - Ivana Kacířová
- Department of Clinical Pharmacology, Institute of Laboratory Medicine, University Hospital Ostrava, 17. listopadu 1790, 708 52 Ostrava, Czech Republic; Department of Clinical Pharmacology, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00 Ostrava, Czech Republic
| | - Klára Kaňková
- Department of Cardiac Surgery, University Hospital Ostrava, 17. listopadu 1790, 708 52 Ostrava, Czech Republic
| | - Martin Kolek
- Department of Cardiac Surgery, University Hospital Ostrava, 17. listopadu 1790, 708 52 Ostrava, Czech Republic; Department of Clinic Subjects, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00 Ostrava, Czech Republic
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Bahmany S, Hassanzai M, Flint RB, van Onzenoort HAW, de Winter BCM, Koch BCP. Dried blood spot analysis for the quantification of vancomycin and creatinine using liquid chromatography - tandem mass spectrometry: Method development and validation. Clin Chim Acta 2024; 553:117689. [PMID: 38052384 DOI: 10.1016/j.cca.2023.117689] [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: 07/14/2023] [Revised: 11/30/2023] [Accepted: 12/02/2023] [Indexed: 12/07/2023]
Abstract
BACKGROUND Vancomycin is a widely used antibiotic for the treatment of gram-positive bacterial infections, especially for methicillin-resistant Staphylococcus aureus (MRSA) infections. Due to a small therapeutic range and large inter-patient variability, therapeutic drug monitoring (TDM) of vancomycin is required to minimize toxicity and maximize treatment efficacy. Venous blood sampling is mostly applied for TDM of vancomycin, although this widely used sampling method is more invasive compared to less painful alternatives, such as the dried blood spot (DBS) method, which can be performed at home. METHOD We developed an UPLC-MS/MS method for the quantification of vancomycin and creatinine in DBS. A fast sample preparation and short analysis run time of 5.2 min were applied, which makes this method highly suitable for clinical settings. Validation was performed according to international (FDA and EMA) guidelines. RESULTS The validated concentration range was found linear for creatinine from 41.8 µmol/L to 722 µmol/L and for vancomycin from 3.8 mg/L to 76.6 mg/L (r2 > 0.990) and the inaccuracies, imprecisions, hematocrit effects, and recoveries were < 15 % for both compounds. No significant carryover effect was observed. CONCLUSION Hence, we successfully validated a quantification method for the simultaneous determination of creatinine and vancomycin in DBS.
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Affiliation(s)
- Soma Bahmany
- Department of Hospital Pharmacy, Erasmus University Medical Center, Rotterdam, the Netherlands.
| | - Moska Hassanzai
- Department of Hospital Pharmacy, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Robert B Flint
- Department of Hospital Pharmacy, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Pediatric and Neonatal Intensive Care, Division of Neonatology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Hein A W van Onzenoort
- Department of Pharmacy, Radboud University Medical Center, Radboud Institute for Health Sciences, Nijmegen, the Netherlands
| | - Brenda C M de Winter
- Department of Hospital Pharmacy, Erasmus University Medical Center, Rotterdam, the Netherlands; CATOR: Center for Antimicrobial Treatment Optimization Rotterdam, the Netherlands
| | - Birgit C P Koch
- Department of Hospital Pharmacy, Erasmus University Medical Center, Rotterdam, the Netherlands; CATOR: Center for Antimicrobial Treatment Optimization Rotterdam, the Netherlands
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Cafaro A, Barco S, Pigliasco F, Russo C, Mariani M, Mesini A, Saffioti C, Castagnola E, Cangemi G. Therapeutic drug monitoring of glycopeptide antimicrobials: An overview of liquid chromatography-tandem mass spectrometry methods. J Mass Spectrom Adv Clin Lab 2024; 31:33-39. [PMID: 38304144 PMCID: PMC10831154 DOI: 10.1016/j.jmsacl.2023.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 12/12/2023] [Accepted: 12/19/2023] [Indexed: 02/03/2024] Open
Abstract
Therapeutic drug monitoring (TDM) is a critical clinical tool used to optimize the safety and effectiveness of drugs by measuring their concentration in biological fluids. These fluids are primarily plasma or blood. TDM, together with real-time dosage adjustment, contributes highly to the successful management of glycopeptide antimicrobial therapies. Understanding pharmacokinetic/pharmacodynamic (PK/PD) properties is vital for optimizing antimicrobial therapies, as the efficacy of these therapies depends on both the exposure of the patient to the drug (PK) and pharmacodynamic (PD) parameters such as the in vitro estimated minimum drug concentration that inhibits bacterial growth (MIC). Liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) is widely recognized as the gold standard for measuring small molecules, such as antibiotics. This review provides a comprehensive overview of LC-MS/MS methods available for TDM of glycopeptide antibiotics, including vancomycin, teicoplanin, dalbavancin, oritavancin, and telavancin.
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Affiliation(s)
- Alessia Cafaro
- 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
| | - Federica Pigliasco
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Chiara Russo
- Division of Infectious Diseases, Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | - Marcello Mariani
- Pediatric Infectious Diseases Unit IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Alessio Mesini
- Pediatric Infectious Diseases Unit IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Carolina Saffioti
- Pediatric Infectious Diseases Unit IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Elio Castagnola
- Pediatric Infectious Diseases Unit 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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Cheng X, Ma J, Su J. An Overview of Analytical Methodologies for Determination of Vancomycin in Human Plasma. Molecules 2022; 27:molecules27217319. [PMID: 36364147 PMCID: PMC9658014 DOI: 10.3390/molecules27217319] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/12/2022] [Accepted: 10/26/2022] [Indexed: 11/22/2022] Open
Abstract
Vancomycin is regarded as the last resort of defense for a wide range of infections due to drug resistance and toxicity. The detection of vancomycin in plasma has always aroused particular concern because the performance of the assay affects the clinical treatment outcome. This article reviews various methods for vancomycin detection in human plasma and analyzes the advantages and disadvantages of each technique. Immunoassay has been the first choice for vancomycin concentration monitoring due to its simplicity and practicality, occasionally interfered with by other substances. Chromatographic methods have mainly been used for scientific research due to operational complexity and the particular requirement of the instrument. However, the advantages of a small amount of sample needed, high sensitivity, and specificity makes chromatography irreplaceable. Other methods are less commonly used in clinical applications because of the operational feasibility, clinical application, contamination, etc. Simplicity, good performance, economy, and environmental friendliness have been points of laboratory methodological concern. Unfortunately, no one method has met all of the elements so far.
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Affiliation(s)
| | | | - Jianrong Su
- Correspondence: or ; Tel.: +86-188-1169-5991
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Paper-Based Molecular-Imprinting Technology and Its Application. BIOSENSORS 2022; 12:bios12080595. [PMID: 36004991 PMCID: PMC9405720 DOI: 10.3390/bios12080595] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 07/28/2022] [Accepted: 08/02/2022] [Indexed: 11/24/2022]
Abstract
Paper-based analytical devices (PADs) are highly effective tools due to their low cost, portability, low reagent accumulation, and ease of use. Molecularly imprinted polymers (MIP) are also extensively used as biomimetic receptors and specific adsorption materials for capturing target analytes in various complex matrices due to their excellent recognition ability and structural stability. The integration of MIP and PADs (MIP-PADs) realizes the rapid, convenient, and low-cost application of molecular-imprinting analysis technology. This review introduces the characteristics of MIP-PAD technology and discusses its application in the fields of on-site environmental analysis, food-safety monitoring, point-of-care detection, biomarker detection, and exposure assessment. The problems and future development of MIP-PAD technology in practical application are also prospected.
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Wang H, Wang HP, Chen MN, Ai LF, Liang SX, Zhang Y. Determination of Vancomycin and Norvancomycin Residues in Milk by Automated Online Solid-Phase Extraction Combined With Liquid Chromatography-High Resolution Mass Spectrometry. J AOAC Int 2022; 105:941-949. [DOI: 10.1093/jaoacint/qsac038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 02/05/2022] [Accepted: 03/07/2022] [Indexed: 11/14/2022]
Abstract
Abstract
Background
Vancomycin and norvancomycin, as potent antibacterial retention drugs, were used illegally on animals bred for food, which directly affected the quality and safety of animal-derived food, and even harmed human health.
Objective
A fast analysis method, which was adopted to detect residues of vancomycin and norvancomycin in milk, was implemented on a chromatographic system containing online solid-phase extraction (SPE) device that combined with high-resolution mass spectrometer (HRMS).
Method
First, the analytes were added to the blank milk sample were extracted with water [containing 0.1% trifluoroacetic acid (TFA)]–acetonitrile (ACN) (8:2, v/v), and then were purified and enriched on a C18-XL column, whereafter eluted from the purification column onto the analytical column (Shiseido Capcell Pak ADME column) for chromatographic separation prior to hybrid quadrupole–Orbitrap (Q-Orbitrap) detection.
Results
The results showed that the limit of detection (LOD) for each analyte and the limit of quantitation (LOQ) were 0.15 and 0.5 μg/kg, respectively. The correlation coefficient(s) of vancomycin and norvancomycin ranged from 0 to 200 ng/mL were greater than 0.9983.
Conclusions
These validations reflected that it was suitable for the established method to rapidly analyze vancomycin and norvancomycin residues in milk.
Highlights
The method for detecting vancomycin and norvancomycin residues in milk by online SPE combined with LC-HRMS. Online SPE technology realized automation, and the application of HRMS greatly improved the reliability of qualitative and quantitative analyses. The developed method is fast, simple, and reliable; each methodological index can meet requirements of trace analyses of vancomycin and norvancomycin in milk.
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Affiliation(s)
- Hong Wang
- Environmental Science, University of Hebei , Baoding 071002, China
| | - Hong-Peng Wang
- Technology Center of Shijiazhuang Customs , Shijiazhuang 050051, China
| | - Min-na Chen
- Technology Center of Shijiazhuang Customs , Shijiazhuang 050051, China
| | - Lian-Feng Ai
- Technology Center of Shijiazhuang Customs , Shijiazhuang 050051, China
| | - Shu-Xuan Liang
- Environmental Science, University of Hebei , Baoding 071002, China
| | - Yan Zhang
- Hebei Food Inspection and Research Institute , Shijiazhuang 050091, China
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Petejova N, Martinek A, Zadrazil J, Klementa V, Pribylova L, Bris R, Kanova M, Sigutova R, Kacirova I, Svagera Z, Bace E, Stejskal D. Expression and 7-day time course of circulating microRNAs in septic patients treated with nephrotoxic antibiotic agents. BMC Nephrol 2022; 23:111. [PMID: 35305556 PMCID: PMC8933949 DOI: 10.1186/s12882-022-02726-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 03/07/2022] [Indexed: 12/24/2022] Open
Abstract
Background Through regulation of signaling pathways, microRNAs (miRNAs) can be involved in sepsis and associated organ dysfunction. The aims of this study were to track the 7-day time course of blood miRNAs in patients with sepsis treated with vancomycin, gentamicin, or a non-nephrotoxic antibiotic and miRNA associations with neutrophil gelatinase-associated lipokalin (NGAL), creatinine, procalcitonin, interleukin-6, and acute kidney injury (AKI) stage. Methods Of 46 adult patients, 7 were on vancomycin, 20 on gentamicin, and 19 on another antibiotic. Blood samples were collected on days 1, 4, and 7 of treatment, and miRNAs were identified using quantitative reverse transcription PCR. Results The results showed no relationship between miRNA levels and biochemical variables on day 1. By day 7 of gentamicin treatment miR-15a-5p provided good discrimination between AKI and non-AKI (area under curve, 0.828). In patients taking vancomycin, miR-155-5p and miR-192-5p positively correlated with creatinine and NGAL values, and miR-192-5p and miR-423-5p positively correlated with procalcitonin and interleukin-6 in patients treated with a non-nephrotoxic antibiotic. In patients together we found positive correlation between miR-155-5p and miR-423-5p and all biochemical markers. Conclusion The results suggest that these four miRNAs may serve as diagnostic or therapeutic tool in sepsis, renal injury and nephrotoxic treatment. Trial registration ClinicalTrials.gov, ID: NCT04991376. Registered on 27 July 2021.
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Shipkova M, Jamoussi H. Therapeutic Drug Monitoring of Antibiotic Drugs: The Role of the Clinical Laboratory. Ther Drug Monit 2022; 44:32-49. [PMID: 34726200 DOI: 10.1097/ftd.0000000000000934] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 09/08/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Therapeutic drug monitoring (TDM) of anti-infective drugs is an increasingly complex field, given that in addition to the patient and drug as 2 usual determinants, its success is driven by the pathogen. Pharmacodynamics is related both to the patient (toxicity) and bacterium (efficacy or antibiotic susceptibility). The specifics of TDM of antimicrobial drugs stress the need for multidisciplinary knowledge and expertise, as in any other field. The role and the responsibility of the laboratory in this interplay are both central and multifaceted. This narrative review highlights the role of the clinical laboratory in the TDM process. METHODS A literature search was conducted in PubMed and Google Scholar, focusing on the past 5 years (studies published since 2016) to limit redundancy with previously published review articles. Furthermore, the references cited in identified publications of interest were screened for additional relevant studies and articles. RESULTS The authors addressed microbiological methods to determine antibiotic susceptibility, immunochemical and chromatographic methods to measure drug concentrations (primarily in blood samples), and endogenous clinical laboratory biomarkers to monitor treatment efficacy and toxicity. The advantages and disadvantages of these methods are critically discussed, along with existing gaps and future perspectives on strategies to provide clinicians with as reliable and useful results as possible. CONCLUSIONS Although interest in the field has been the driver for certain progress in analytical technology and quality in recent years, laboratory professionals and commercial providers persistently encounter numerous unresolved challenges. The main tasks that need tackling include broadly and continuously available, easily operated, and cost-effective tests that offer short turnaround times, combined with reliable and easy-to-interpret results. Various fields of research are currently addressing these features.
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Affiliation(s)
- Maria Shipkova
- Competence Center for Therapeutic Drug Monitoring, SYNLAB Holding Germany GmbH, SYNLAB MVZ Leinfelden-Echterdingen GmbH, Leinfelden-Echterdingen, Germany
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Schön K, Koristkova B, Kacirova I, Brozmanova H, Grundmann M. Comparison of Mw\Pharm 3.30 and Mw\Pharm ++, a Windows version of pharmacokinetic software for PK/PD monitoring of vancomycin. Part 1: A-posteriori modelling. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2022; 214:106552. [PMID: 34896687 DOI: 10.1016/j.cmpb.2021.106552] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 11/12/2021] [Accepted: 11/23/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND AND OBJECTIVES For a long time, the Mw\Pharm software suite (MEDI\WARE, Prague, Czech Republic/ Groningen, Netherlands) has been used for PK/PD modelling in therapeutic drug monitoring (TDM). The aim of this study was to find the best model in the newer Windows Mw\Pharm++ 1.3.5.558 version (WIN). METHODS 25 patients were repeatedly examined for vancomycin (mean age 63±14 years, body weight 88±21 kg, median dose 1 g/12 h). Trough concentrations predicted a-posteriori by WIN models "vancomycin_adult_k_C2", "#vancomycin_adult_C2", "vancomycin_adult_C2" were compared with the measured value and "vancomycin adult" DOS 3.30 model (DOS). STATISTICS Percentage prediction error (%PE) calculated as (predicted-measured)/measured values, or WIN-DOS/DOS - data presented as mean±SD, RMSE, Blandt-Altman plot - data presented as bias±SD (95% limits of agreement), Pearson's coefficient of rank correlation (R), Student's t-test. Statistical analysis was performed using GraphPad Prism version 5.00 for Windows. RESULTS The mean%PE in vancomycin predicted values varied from -4.5% ± 33.6 to -8.2% ± 39.3. The%PE between WIN and DOS models varied from -0.2% ± 24.5% to 4.4 ± 21.4%. Model "vancomycin_adult_C2" was closest both to measured vancomycin trough concentration and DOS model:%PE -4.5 ± 33.6% vs +4.2 ± 20.3%, RMSE 33.7 vs 20.6, Blandt-Altman bias +2.19 ± 6.17 (-9.9 - 14.3) vs -0.29 ± 3.25 (-6.7 - 6.1), resp. "#vancomycin_adult_C2" model produced largest%PE (-8.2%), RMSE (40.0) as well as Blandt-Altman bias +2.82 ± 6.76 (-10.4 - 16.1). The Pearson's R of predicted and measured vancomycin concentration, and of values predicted by WIN and DOS models, varied from 0.5135 to 0.5854, P<0.0001 and from 0.7869 to 0.8462, P<0.0001, resp. CONCLUSIONS Three Windows vancomycin models and one DOS model in the Mw\Pharm software were compared. The best outcomes, i.e. lowest%PE, RMSE and highest Pearson's R, were reached with "vancomycin_adult_C2" model.
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Affiliation(s)
- Kristyna Schön
- Department of Clinical Pharmacology, Faculty of Medicine, University of Ostrava, Czechia
| | - Blanka Koristkova
- Department of Clinical Pharmacology, Faculty of Medicine, University of Ostrava, Czechia; Department of Clinical Pharmacology, Department of Laboratory Medicine, University Hospital Ostrava, Czechia.
| | - Ivana Kacirova
- Department of Clinical Pharmacology, Faculty of Medicine, University of Ostrava, Czechia; Department of Clinical Pharmacology, Department of Laboratory Medicine, University Hospital Ostrava, Czechia
| | - Hana Brozmanova
- Department of Clinical Pharmacology, Faculty of Medicine, University of Ostrava, Czechia; Department of Clinical Pharmacology, Department of Laboratory Medicine, University Hospital Ostrava, Czechia
| | - Milan Grundmann
- Department of Clinical Pharmacology, Faculty of Medicine, University of Ostrava, Czechia
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Mohamed AR. Utility of Silver-nanoparticles for Nano-fluorimetric Determination of Vancomycin Hydrochloride in Pharmaceutical Formulation and Biological Fluids: Greenness Assessment. J Fluoresc 2022; 32:1899-1912. [PMID: 35751750 PMCID: PMC9402737 DOI: 10.1007/s10895-022-02942-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/24/2022] [Indexed: 10/25/2022]
Abstract
Vancomycin hydrochloride (VANH) is a glycopeptide antibiotic commonly employed in the prophylaxis and therapy of various gram-positive bacterial life-threatening infections. Due to the narrow therapeutic window of VANH, its serum levels should be well-monitored to avoid its toxicity and to optimize its therapy. Herein, an innovative silver-nanoparticles enhanced fluorescence technique was designed for VANH rapid analysis in its pharmaceutical formulation and biological fluids. This technique is based on reinforcement of VANH fluorescence intensity with silver-nanoparticles that were synthesized by a redox reaction between VANH and silver nitrate in NaOH alkaline medium using polyvinylpyrrolidone as a stabilizer. The produced silver-nanoparticles were characterized by using UV-visible spectroscopy where they have an intense absorption maximum at 415 nm and transmission electron microscope (TEM) micrograph where they are spherical in shape with smooth surface morphology and size of 10.74 ± 2.44 nm. The fluorescence intensity was measured at 394 nm after excitation at 259 nm. Under optimum conditions, a good linear relationship was accomplished between the VANH concentration and the fluorescence intensity in a range of (1-36) ng/mL with a limit of detection of 0.29 ng/mL. Greenness assessment was performed using two assessment tools namely; eco-scale scoring and green analytical procedure index revealing excellent greenness of the proposed technique. The proposed technique was validated according to the International Conference on Harmonisation (ICH) recommendations and statistically compared with the reported HPLC method revealing no significant difference concerning accuracy and precision at p = 0.05. The proposed technique depended primarily on water as a cheap and eco-friendly solvent.
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Affiliation(s)
- Ahmed R. Mohamed
- grid.442695.80000 0004 6073 9704Analytical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo, 11829 Egypt
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Bian L, Liang J, Zhao H, Ye K, Li Z, Liu T, Peng J, Wu Y, Lin G. Rapid Monitoring of Vancomycin Concentration in Serum Using Europium (III) Chelate Nanoparticle-Based Lateral Flow Immunoassay. Front Chem 2021; 9:763686. [PMID: 34733823 PMCID: PMC8558538 DOI: 10.3389/fchem.2021.763686] [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: 08/24/2021] [Accepted: 09/29/2021] [Indexed: 11/21/2022] Open
Abstract
Establishing personalized medication plans for patients to maximize therapeutic efficacy and minimize the toxicity of vancomycin (VAN) requires rapid, simple, and accurate monitoring of VAN concentration in body fluid. In this study, we have developed a simple and rapid analytical method by integrating Eu (III) chelate nanoparticles (CN-EUs) and lateral flow immunoassay (LFIA) to achieve the real-time monitoring of VAN concentration in serum within 15 min. This approach was performed on nitrocellulose (NC) membrane assembled LFIA strips via indirect competitive immunoassay and exhibited a wide linear range of detection (0.1–80 μg*ml−1) with a low limit of detection (69.2 ng*ml−1). The coefficients of variation (CV) of the intra- and inter-assay in the detection of VAN were 7.12–8.53% and 8.46–11.82%, respectively. The dilution test and specificity indicated this method had a stability that was not affected by the serum matrix and some other antibiotics. Furthermore, the applicability of the proposed method was assessed by comparing the determined results with those measured by LC-MS/MS, showing a satisfactory correlation (R2 = 0.9713). The proposed CN-EUs-based LFIA manifested promising analytical performance, which showed potential value in the real-time monitoring of VAN and could help optimize the clinical use of more antibiotics.
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Affiliation(s)
- Lun Bian
- Key Laboratory of Antibody Engineering of Guangdong Higher Education Institutes, Institute of Antibody Engineering, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Junyu Liang
- Department of Clinical Laboratory, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Hui Zhao
- Department of Plastic and Aesthetic Surgery, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ke Ye
- Key Laboratory of Antibody Engineering of Guangdong Higher Education Institutes, Institute of Antibody Engineering, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Zhaoyue Li
- Key Laboratory of Antibody Engineering of Guangdong Higher Education Institutes, Institute of Antibody Engineering, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Tiancai Liu
- Key Laboratory of Antibody Engineering of Guangdong Higher Education Institutes, Institute of Antibody Engineering, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Jie Peng
- Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yingsong Wu
- Key Laboratory of Antibody Engineering of Guangdong Higher Education Institutes, Institute of Antibody Engineering, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Guanfeng Lin
- Experimental Center of Teaching and Scientific Research, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
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13
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Sugiyama K, Sasano Y, Komatsu S, Yoshida K, Ono T, Fujimura T, Iwabuchi Y, Kashiwagi Y, Sato K. Nitroxyl Radical/Copper-Catalyzed Electrooxidation of Alcohols and Amines at Low Potentials. Chem Pharm Bull (Tokyo) 2021; 69:1005-1009. [PMID: 34602569 DOI: 10.1248/cpb.c21-00409] [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] [Indexed: 11/22/2022]
Abstract
Nitroxyl radicals, such as 2,2,6,6-tetramethylpiperidine N-oxyl (TEMPO), can catalyze the electrochemical oxidation of alcohols and amines. Because the oxidation current obtained in this process depends on the concentration of alcohols and amines, this process can be applied to their sensing. However, the relatively high oxidation potentials required by nitroxyl radicals can induce interfering oxidation currents from various reductive substances in biological samples, which affects the accuracy of analyte measurements. In this study, we examined the electrooxidation of alcohols and amines at a low potential by applying cooperative oxidation catalysis using a nitroxyl radical and a copper salt. Nortropine N-oxyl (NNO), which showed higher catalytic activity than TEMPO was used as the nitroxyl radical. An increase in the oxidation current was observed at the low potential, and this increase depended on the alcohol concentration. In the case of the electrooxidation of amines, a positive correlation between oxidation current and amine concentration was observed at low amine concentrations. Therefore, low-potential cooperative catalysis can be applied to alcohol and amine electrooxidation for the development of accurate sensors suitable for clinical settings.
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Affiliation(s)
- Kyoko Sugiyama
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University
| | - Yusuke Sasano
- Graduate School of Pharmaceutical Sciences, Tohoku University
| | - Sachiko Komatsu
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University
| | | | - Tetsuya Ono
- School of Pharmaceutical Sciences, Ohu University
| | - Tsutomu Fujimura
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University
| | | | | | - Katsuhiko Sato
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University.,Department of Creative Engineering, National Institute of Technology, Tsuruoka College
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14
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Ono T, Sugiyama K, Komatsu S, Kumano M, Yoshida K, Dairaku T, Fujimura T, Sasano Y, Iwabuchi Y, Kashiwagi Y, Sato K. Catalysis of electro-oxidation of antibiotics by nitroxyl radicals and the electrochemical sensing of vancomycin. RSC Adv 2021; 11:21622-21628. [PMID: 35478798 PMCID: PMC9034136 DOI: 10.1039/d1ra03681e] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 06/04/2021] [Indexed: 11/21/2022] Open
Abstract
Quantifying drug concentrations in vivo quickly and easily is possible using electrochemical methods. The present study describes the electrochemical detection of vancomycin (VCM) and other antibiotics from the current obtained using nitroxyl radicals as electrocatalysts. Nortropine N-oxyl (NNO), which is more active than 2,2,6,6-tetramethylpiperidine 1-oxyl (TEMPO), a typical nitroxyl radical compound, produced greater current values for drugs with intramolecular hydroxy groups and secondary and tertiary amines. However, because the catalytic action of NNO is inactivated by primary amines in the substrate, VCM and teicoplanin with primary amines could not be detected. TEMPO was less active than NNO but not inactivated against primary amines. Therefore, electrochemical sensing of vancomycin was done using 4-acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl (A-TEMPO), which has a greater oxidation capacity than TEMPO due to its electron-withdrawing groups. As a result, the current of A-TEMPO increased in the low concentration range of VCM as compared to TEMPO. This method also was able to quantify VCM in the concentration range of 10-100 μM, which is an important concentration range for drug monitoring in blood.
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Affiliation(s)
- Tetsuya Ono
- School of Pharmaceutical Sciences, Ohu University 31-1 Misumido, Tomita-machi Koriyama Fukushima 963-8611 Japan
| | - Kyoko Sugiyama
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University 4-4-1 Komatsushima, Aoba Sendai Miyagi 981-8558 Japan
| | - Sachiko Komatsu
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University 4-4-1 Komatsushima, Aoba Sendai Miyagi 981-8558 Japan
| | - Masayuki Kumano
- Graduate School of Pharmaceutical Sciences, Tohoku University 6-3 Aoba, Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Kentaro Yoshida
- School of Pharmaceutical Sciences, Ohu University 31-1 Misumido, Tomita-machi Koriyama Fukushima 963-8611 Japan
| | - Takenori Dairaku
- School of Pharmaceutical Sciences, Ohu University 31-1 Misumido, Tomita-machi Koriyama Fukushima 963-8611 Japan
| | - Tsutomu Fujimura
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University 4-4-1 Komatsushima, Aoba Sendai Miyagi 981-8558 Japan
| | - Yusuke Sasano
- Graduate School of Pharmaceutical Sciences, Tohoku University 6-3 Aoba, Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Yoshiharu Iwabuchi
- Graduate School of Pharmaceutical Sciences, Tohoku University 6-3 Aoba, Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Yoshitomo Kashiwagi
- School of Pharmaceutical Sciences, Ohu University 31-1 Misumido, Tomita-machi Koriyama Fukushima 963-8611 Japan
| | - Katsuhiko Sato
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University 4-4-1 Komatsushima, Aoba Sendai Miyagi 981-8558 Japan .,Department of Creative Engineering, National Institute of Technology, Tsuruoka College 104 Sawada, Inooka Tsuruoka Yamagata 997-8511 Japan
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15
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Brasier N, Widmer A, Osthoff M, Mutke M, De Ieso F, Brasier-Lutz P, Brown K, Yao L, Broeckling CD, Prenni J, Eckstein J. The Detection of Vancomycin in Sweat: A Next-Generation Digital Surrogate Marker for Antibiotic Tissue Penetration: A Pilot Study. Digit Biomark 2021; 5:24-28. [PMID: 33615119 PMCID: PMC7879282 DOI: 10.1159/000512947] [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] [Received: 09/01/2020] [Accepted: 11/09/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Assuring adequate antibiotic tissue concentrations at the point of infection, especially in skin and soft tissue infections, is pivotal for an effective treatment and cure. Despite the global issue, a reliable AB monitoring test is missing. Inadequate antibiotic treatment leads to the development of antimicrobial resistances and toxic side effects. β-lactam antibiotics were already detected in sweat of patients treated with the respective antibiotics intravenously before. With the emergence of smartphone-based biosensors to analyse sweat on the spot of need, next-generation molecular digital biomarkers will be increasingly available for a non-invasive pharmacotherapy monitoring. OBJECTIVE Here, we investigated if the glycopeptide antibiotic vancomycin is detectable in sweat samples of in-patients treated with intravenous vancomycin. METHODS Eccrine sweat samples were collected using the Macroduct Sweat Collector®. Along every sweat sample, a blood sample was taken. Bio-fluid analysis was performed by Ultra-high Pressure Liquid Chromatograph-Tandem Quadrupole Mass Spectrometry coupled with tandem mass spectrometry. RESULTS A total of 5 patients were included. Results demonstrate that vancomycin was detected in 5 out of 5 sweat samples. Specifically, vancomycin concentrations ranged from 0.011 to 0.118 mg/L in sweat and from 4.7 to 8.5 mg/L in blood. CONCLUSION Our results serve as proof-of-concept that vancomycin is detectable in eccrine sweat and may serve as a surrogate marker for antibiotic tissue penetration. A targeted vancomycin treatment is crucial in patients with repetitive need for antibiotics and a variable antibiotic distribution such as in peripheral artery disease to optimize treatment effectiveness. If combined with on-skin smartphone-based biosensors and smartphone applications, the detection of antibiotic concentrations in sweat might enable a first digital, on-spot, lab-independent and non-invasive therapeutic drug monitoring in skin and soft tissue infections.
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Affiliation(s)
- Noé Brasier
- CMIO Research Group, Department of Digitalization and ICT, University Hospital Basel, Basel, Switzerland
| | - Andreas Widmer
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland
| | - Michael Osthoff
- Division of Internal Medicine, University Hospital Basel, Basel, Switzerland
- Department of Clinical Research, University Basel, Basel, Switzerland
| | - Markus Mutke
- CMIO Research Group, Department of Digitalization and ICT, University Hospital Basel, Basel, Switzerland
- Division of Internal Medicine, University Hospital Basel, Basel, Switzerland
| | - Fiorangelo De Ieso
- CMIO Research Group, Department of Digitalization and ICT, University Hospital Basel, Basel, Switzerland
- Division of Internal Medicine, University Hospital Basel, Basel, Switzerland
| | - Pascale Brasier-Lutz
- Department of Gynaecology, Kantonsspital Luzern, Standort Wolhusen, Wolhusen, Switzerland
| | - Kitty Brown
- Analytical Resources Core, Bioanalysis and Omics Center, Colorado State University, Fort Collins, Colorado, USA
| | - Linxing Yao
- Analytical Resources Core, Bioanalysis and Omics Center, Colorado State University, Fort Collins, Colorado, USA
| | - Corey D. Broeckling
- Analytical Resources Core, Bioanalysis and Omics Center, Colorado State University, Fort Collins, Colorado, USA
| | - Jessica Prenni
- Department of Horticulture and Landscape, Colorado State University, Fort Collins, Colorado, USA
| | - Jens Eckstein
- CMIO Research Group, Department of Digitalization and ICT, University Hospital Basel, Basel, Switzerland
- Division of Internal Medicine, University Hospital Basel, Basel, Switzerland
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16
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A systematic review on chromatography-based method validation for quantification of vancomycin in biological matrices. Bioanalysis 2020; 12:1767-1786. [PMID: 33275028 DOI: 10.4155/bio-2020-0230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A fully validated bioanalytical methods are prerequisite for pharmacokinetic and bioequivalence studies as well as for therapeutic drug monitoring. Due to high pharmacokinetic variability and narrow therapeutic index, vancomycin requires reliable quantification methods for therapeutic drug monitoring. To identify published chromatographic based bioanalytical methods for vancomycin in current systematic review, PubMed and ScienceDirect databases were searched. The selected records were evaluated against the method validation criteria derived from international guidelines for critical assessment. The major deficiencies were identified in method validation parameters specifically for accuracy, precision and number of calibration and validation standards, which compromised the reliability of the validated bioanalytical methods. The systematic review enacts to adapt the recommended international guidelines for suggested validation parameters to make bioanalysis reliable.
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17
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Chen CY, Li MY, Ma LY, Zhai XY, Luo DH, Zhou Y, Liu ZM, Cui YM. Precision and accuracy of commercial assays for vancomycin therapeutic drug monitoring: evaluation based on external quality assessment scheme. J Antimicrob Chemother 2020; 75:2110-2119. [PMID: 32464644 DOI: 10.1093/jac/dkaa150] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/26/2020] [Accepted: 03/27/2020] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Vancomycin remains a mainstay of the treatment of Gram-positive bacterial infections. It is crucial to accurately determine vancomycin serum concentration for adequate dose adjustment. OBJECTIVES To evaluate the precision and accuracy of commercial assay techniques for vancomycin concentration and to assess the comparability of vancomycin detection methods in Chinese laboratories. METHODS Human serum samples spiked with known concentrations of vancomycin were provided to laboratories participating in the external quality assessment scheme (EQAS). Assay methods included chemiluminescence, enzyme immunoassay (EIA) and so on. The dispersion of the measurements was analysed and the robust coefficient of variation (rCV), relative percentage difference (RPD) and satisfactory rate for method groups were calculated. Moreover, performance of the Chinese laboratories was assessed. RESULTS A total of 657 results from 75 laboratories were collected, including 84 samples from 10 Chinese laboratories. The median rCV, median RPD and satisfactory rates classified by methods ranged from 1.85% to 15.87%, -14.75% to 13.34% and 94.59% to 100.00%, respectively. Significant differences were seen in precision, between kinetic interaction of microparticles in solution (KIMS) and other methods, and in accuracy, between enzyme-multiplied immunoassay technique (EMIT), fluorescence polarization immunoassay (FPIA) and other techniques. Vancomycin detection in China mainly depended on the chemiluminescence and EMIT methods, which tended to result in lower measurements. CONCLUSIONS Although almost all assays in this study achieved an acceptable performance for vancomycin serum concentration monitoring, obvious inconsistencies between methods were still observed. Chinese laboratories were more likely to underestimate vancomycin concentrations. Thus, recognizing inconsistencies between methods and regular participation in vancomycin EQAS are essential.
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Affiliation(s)
- Chao-Yang Chen
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Meng-Ya Li
- Department of Pharmacy, Peking University First Hospital, Beijing, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China
| | - Ling-Yun Ma
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Xing-Yu Zhai
- Department of Pharmacy, Peking University First Hospital, Beijing, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China
| | - Dao-Huang Luo
- Department of Pharmacy, Peking University First Hospital, Beijing, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China
| | - Ying Zhou
- Department of Pharmacy, Peking University First Hospital, Beijing, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China
| | - Zhen-Ming Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China
| | - Yi-Min Cui
- Department of Pharmacy, Peking University First Hospital, Beijing, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China
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18
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19
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Boronate affinity glycosyl molecularly imprinted polymer microspheres for the determination of teicoplanin using ultra-high performance liquid chromatography coupled with tandem mass spectrometry. J Chromatogr A 2020; 1615:460776. [DOI: 10.1016/j.chroma.2019.460776] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 12/03/2019] [Accepted: 12/07/2019] [Indexed: 02/08/2023]
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20
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Scribel L, Zavascki AP, Matos D, Silveira F, Peralta T, Gonçalves Landgraf N, Lamb Wink P, Cezimbra da Silva AC, Bordin Andriguetti N, Loss Lisboa L, Venzon Antunes M, Linden R. Vancomycin and creatinine determination in dried blood spots: Analytical validation and clinical assessment. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1137:121897. [PMID: 31891859 DOI: 10.1016/j.jchromb.2019.121897] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/24/2019] [Accepted: 11/21/2019] [Indexed: 12/29/2022]
Abstract
This study aims to develop a liquid chromatography tandem-mass spectrometry (LC-MS/MS) method for vancomycin and creatinine measurement in dried blood spots (DBS) and to evaluate its clinical application. The analytes were extracted from DBS and analyzed by LC-MS/MS. Vancomycin and creatinine DBS and plasma concentrations were compared in 54 and 35 samples, respectively, from 29 patients. Accuracy was 94.4-102.6%, intra-assay precision was 2.1-5.6%, and inter-assay precision was 3.5-7.0%. Patients vancomycin plasma to DBS concentration ratios were highly variable (1.148-5.022), differently from creatinine (0.800-1.283). The assay has adequate analytical performance. Plasma concentrations can be satisfactorily predicted from DBS measurements for creatinine, but not for vancomycin, which limits its clinical application.
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Affiliation(s)
- Letícia Scribel
- Postgraduate Program in Medical Sciences, Medical School, Universidade Federal do Rio Grande do Sul, Porto Alegre/RS, Brazil.
| | - Alexandre P Zavascki
- Infectious Diseases Service, Hospital de Clínicas de Porto Alegre, Porto Alegre/RS, Brazil; Department of Internal Medicine, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Douglas Matos
- Research and Postgraduate Group, Hospital de Clínicas de Porto Alegre, Porto Alegre/RS, Brazil
| | - Francine Silveira
- Research and Postgraduate Group, Hospital de Clínicas de Porto Alegre, Porto Alegre/RS, Brazil
| | - Talitha Peralta
- Research and Postgraduate Group, Hospital de Clínicas de Porto Alegre, Porto Alegre/RS, Brazil
| | | | - Priscila Lamb Wink
- Bacterial Resistance Research Laboratory - LABRESIS, Hospital de Clínicas de Porto Alegre, Porto Alegre/RS, Brazil
| | | | - Nadine Bordin Andriguetti
- Laboratory of Analytical Toxicology, Institute of Health Sciences, Universidade Feevale, Novo Hamburgo/RS, Brazil; Graduate Program on Toxicology and Analytical Toxicology, Universidade Feevale, Novo Hamburgo/RS, Brazil
| | - Letícia Loss Lisboa
- Laboratory of Analytical Toxicology, Institute of Health Sciences, Universidade Feevale, Novo Hamburgo/RS, Brazil
| | - Marina Venzon Antunes
- Laboratory of Analytical Toxicology, Institute of Health Sciences, Universidade Feevale, Novo Hamburgo/RS, Brazil; Graduate Program on Toxicology and Analytical Toxicology, Universidade Feevale, Novo Hamburgo/RS, Brazil
| | - Rafael Linden
- Laboratory of Analytical Toxicology, Institute of Health Sciences, Universidade Feevale, Novo Hamburgo/RS, Brazil; Graduate Program on Toxicology and Analytical Toxicology, Universidade Feevale, Novo Hamburgo/RS, Brazil
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21
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Kumar P, Kamboj M, Jaiwal R, Pundir CS. Fabrication of an improved amperometric creatinine biosensor based on enzymes nanoparticles bound to Au electrode. Biomarkers 2019; 24:739-749. [PMID: 31617777 DOI: 10.1080/1354750x.2019.1682045] [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] [Indexed: 10/25/2022]
Abstract
An improved amperometric creatinine biosensor was fabricated that dependent on covalent immobilisation of nanoparticles of creatininase (CANPs), creatinase (CINPs) and sarcosine oxidase (SOxNPs) onto gold electrode (AuE). The CANPs/CINPs/SOxNPs/AuE was characterised by scanning electron microscopy and cyclic voltammetry at various stages. The working electrode exhibited optimal response within 2 s at a potential of 0.6 V, against Ag/AgCl, pH 6.5 and 30 °C. A linear relationship was observed between creatinine concentration range, 0.1-200μM and biosensor response i.e. current in mA, under optimum conditions. Biosensor offered a low detection limit of 0.1 μM with long storage stability. Analytical recoveries of added creatinine in blood sera at 0.5 mM and at 1.0 mM concentrations, were 92.0% and 79.20% respectively. The precision i.e. within and between-batch coefficients of variation were 2.04% and 3.06% respectively. There was a good correlation (R2 = 0.99) between level of creatinine in sera, as calculated by the colorimetric method and present electrode. The CANPs/CINPs/SOxNPs/Au electrode was reused 200 times during the period of 180 days, with just 10% loss in its initial activity, while being stored at 4 °C, when not in use.HighlightsPrepared and characterised creatininase (CA), creatinase (CI) sarcosine oxidase (SOx) nanoparticles and immobilised them onto gold electrode (AuE) for fabrication of an improved amperometric creatinine biosensor.The biosensor displayed a limit of detection (LOD) of 0.1 μM with a linear working range of 0.1 μM-200 μM.The biosensor was evaluated and applied to measure elevated creatinine levels in sera from whom suffering from kidney and muscular disorders.The working electrode retained 90% of its initial activity, while being stored dry at 4 ˚C for 180 days.
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Affiliation(s)
- Parveen Kumar
- Department of Biochemistry, M.D. University, Rohtak, India
| | - Mohit Kamboj
- Department of Zoology, M.D. University, Rohtak, India
| | | | - C S Pundir
- Department of Biochemistry, M.D. University, Rohtak, India
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22
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A rapid and simple UPLC method for serum vancomycin determination in pediatric patients undergoing continuous infusion or intermittent infusion of vancomycin. J Pharm Biomed Anal 2019; 174:214-219. [DOI: 10.1016/j.jpba.2019.05.056] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 05/22/2019] [Accepted: 05/23/2019] [Indexed: 11/18/2022]
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23
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da Silva ACC, de Lima Feltraco Lizot L, Bastiani MF, Antunes MV, Brucker N, Linden R. Ready for TDM: Simultaneous quantification of amikacin, vancomycin and creatinine in human plasma employing ultra-performance liquid chromatography-tandem mass spectrometry. Clin Biochem 2019; 70:39-45. [PMID: 31228434 DOI: 10.1016/j.clinbiochem.2019.06.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 06/18/2019] [Indexed: 02/03/2023]
Abstract
BACKGROUND Amikacin (AMI) and vancomycin (VAN) are antibiotics largely used in intensive care in the empiric treatment of severe infections by multi-resistant gram-negative and gram-positive bacteria. AMI and VAN are eliminated untransformed by glomerular filtration, showing depuration ratio highly correlated with creatinine (CRE) clearance. AMI, VAN and CRE are highly polar structures, presenting poor retention in reversed-phase liquid chromatography when using conventional stationary phases. OBJECTIVE This study aimed to develop and validate a simple UPLC-MS/MS method for simultaneous determination of AMI, VAN, and CRE in human plasma for therapeutic drug monitoring. RESULTS Samples were prepared by protein precipitation, followed by dilution. Heptafluorobutyric acid (HFBA) was added to the mobile phase at low concentration (0.01%), and separation was performed in an ultra-performance reversed-phase column (particle diameter of 1.8 μm). These conditions allowed retention times of 0.92, 0.93, 2.12, 2.17 and 2.27 min for CRE, CRE-D3, AMI, KAN and VAN, respectively. The assay was linear from 0.5 to 100 mg L-1 for AMI and VAN and 5 to 100 mg L-1. Precision, accuracy and stability assays were acceptable according to bioanalytical validation guidelines. Suitable results. Matrix effects were in the range of +10.5 to +11.6% for AMI, -4.3 to -4.5% for VAN, and - 1.7 to +0.7 for CRE. CONCLUSION The first assay for the simultaneous determination of AMI, VAN and CRE in plasma by liquid chromatography-tandem mass spectrometry was reported. This assay allows the obtention of the necessary analytical data for the clinical application of population pharmacokinetic methods for therapeutic drug monitoring of AMI and VAN.
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Affiliation(s)
- Anne Caroline Cezimbra da Silva
- Analytical Toxicology Laboratory, Universidade Feevale, Novo Hamburgo, RS, Brazil; Graduate Program on Toxicology and Analytical Toxicology, Universidade Feevale, Novo Hamburgo, RS, Brazil
| | - Lilian de Lima Feltraco Lizot
- Analytical Toxicology Laboratory, Universidade Feevale, Novo Hamburgo, RS, Brazil; Graduate Program on Toxicology and Analytical Toxicology, Universidade Feevale, Novo Hamburgo, RS, Brazil
| | - Marcos Frank Bastiani
- Analytical Toxicology Laboratory, Universidade Feevale, Novo Hamburgo, RS, Brazil; Graduate Program on Toxicology and Analytical Toxicology, Universidade Feevale, Novo Hamburgo, RS, Brazil
| | - Marina Venzon Antunes
- Analytical Toxicology Laboratory, Universidade Feevale, Novo Hamburgo, RS, Brazil; Graduate Program on Toxicology and Analytical Toxicology, Universidade Feevale, Novo Hamburgo, RS, Brazil
| | - Natália Brucker
- Graduate Program on Pharmacology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Rafael Linden
- Analytical Toxicology Laboratory, Universidade Feevale, Novo Hamburgo, RS, Brazil; Graduate Program on Toxicology and Analytical Toxicology, Universidade Feevale, Novo Hamburgo, RS, Brazil.
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24
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An ultra-performance liquid chromatography–tandem mass spectrometry method to quantify vancomycin in human serum by minimizing the degradation product and matrix interference. Bioanalysis 2019; 11:941-955. [PMID: 31218900 DOI: 10.4155/bio-2018-0310] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aim: This study aimed to develop and validate a method for better therapeutic monitoring of vancomycin serum concentration. Methods & results: An ultra-performance liquid chromatography–tandem mass spectrometry (UPLC–MS/MS) method was developed and validated to minimize the interference of crystalline degradation product and matrix. It was compared with chemiluminescence microparticle immunoassay (CMIA) and ultra-performance liquid chromatography with ultraviolet detection (UPLC-UV) in the performance of testing normal, on-dialysis and hemolytic serum samples. For on-dialysis samples, a moderate correlation (r = 0.534) was observed between UPLC-UV and UPLC–MS/MS. In testing hemolytic samples, ten (10/85, 11.8%) samples were overestimated by CMIA method. Conclusion: Vancomycin concentration determined by CMIA, UPLC-UV was more affected by various panels of serum samples than UPLC–MS/MS assay, suggesting that UPLC–MS/MS is a more reliable and promising tool for clinical vancomycin therapeutic drug monitoring.
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Andriguetti NB, Lisboa LL, Hahn SR, Pagnussat LR, Antunes MV, Linden R. Simultaneous determination of vancomycin and creatinine in plasma applied to volumetric absorptive microsampling devices using liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal 2019; 165:315-324. [DOI: 10.1016/j.jpba.2018.12.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 12/12/2018] [Accepted: 12/14/2018] [Indexed: 11/27/2022]
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Cao M, Feng Y, Zhang Y, Kang W, Lian K, Ai L. Studies on the metabolism and degradation of vancomycin in simulated in vitro and aquatic environment by UHPLC-Triple-TOF-MS/MS. Sci Rep 2018; 8:15471. [PMID: 30341315 PMCID: PMC6195508 DOI: 10.1038/s41598-018-33826-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 10/03/2018] [Indexed: 12/29/2022] Open
Abstract
Vancomycin is one of the most commonly used glycopeptide antiobiotics, and as such is an important emerging environmental contaminant. Pharmaceuticals and personal care products (PPCPs), such as antibiotics, are problematic since wastewater treatment processes are not completely effective at removing these chemical compounds. Since wastewater treatment processes are not completely effective, vancomycin occurs in surface water. Vancomycin and its metabolites in vivo and degradation products in aquatic environment may lead to undesirable ecological effects that threaten the environment or cause undesirable reactions that affect human health. We aimed to study vancomycin metabolism in vitro and its natural degradation in aquatic environment, as well as explore for related metabolites and degradation products. Accordingly, we established four systems, using a constant temperature oscillator at 37 °C for 10 days for vancomycin in activated rat liver microsomes (experimental system), inactivated rat liver microsomes (control system), phosphate buffer saline (PBS system) and pure water (pure water system), as well as an additional system of activated rat liver microsomes without vancomycin (blank system). The metabolism and degradation of vancomycin were studied using a high resolution and high sensitivity ultra-high performance liquid chromatography (UHPLC)-Triple-time of flight (TOF)-mass spectrometry (MS) method in positive ion mode. The compared result of activated rat liver microsomes system and inactivated rat liver microsomes system confirms that vancomycin is not metabolized in the liver. Vancomycin was degraded in the four non-blank incubation systems. The MetabolitePilot 2.0 software was used for screening the probable degradation products, as well as for establishing its associated degradation pathways. Eventually, four degradation products were identified and their chemical structures were deduced. The results of this study provide a foundation for evaluation of the effects of vancomycin and its degradation products on environmental safety and human health in the future.
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Affiliation(s)
- Mengsi Cao
- Department of sanitary inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Yanru Feng
- Department of sanitary inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Yan Zhang
- Hebei Food Safety Key Laboratory, Hebei Food Inspection and Research Institute, Shijiazhuang, 050091, China
| | - Weijun Kang
- Department of sanitary inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China.,Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China
| | - Kaoqi Lian
- Department of sanitary inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China. .,Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
| | - Lianfeng Ai
- Hebei Entry-Exit Inspection and Quarantine Bureau, Shijiazhuang, 050051, China.
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