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Berska J, Bugajska J, Sztefko K. A Liquid Chromatography-Tandem Mass Spectrometry Method for Simultaneously Determining Meropenem and Linezolid in Blood and Cerebrospinal Fluid. Ann Lab Med 2024; 44:174-178. [PMID: 37869779 PMCID: PMC10628749 DOI: 10.3343/alm.2023.0250] [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: 06/21/2023] [Revised: 08/03/2023] [Accepted: 09/14/2023] [Indexed: 10/24/2023] Open
Abstract
Antibiotic therapy requires appropriate dosage of drugs for effective treatment. Too low antibiotic concentrations may lead to treatment failure and the development of resistant pathogens, whereas overdosing may cause neurological side effects or hemolytic diseases. Meropenem and linezolid are used only in the treatment of serious infections or when other antibiotics are no longer effective as well as for treating central nervous system infections. It is difficult or sometimes even impossible to predict the relation between dosing of antibiotics and its cerebrospinal fluid (CSF) concentration; thus, a method of determining antibiotics not only in the blood but also in the CSF is needed. Analytical method validation is an integral part of good laboratory practice and ensures high accuracy of the results. We performed complete validation process according to the Food and Drug Administration and European Medicine Agency, covering the aspects precision, specificity, accuracy, recovery, limit of detection, limit of quantification, stability, carry-over, and matrix effects. Our liquid chromatography-tandem mass spectrometry method for the simultaneous measurement of meropenem and linezolid in different matrix meets all the acceptance criteria. The method was successfully applied to determine meropenem and linezolid concentrations in serum and CSF samples obtained from children treated with these antibiotics.
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Affiliation(s)
- Joanna Berska
- Department of Clinical Biochemistry, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Jolanta Bugajska
- Department of Clinical Biochemistry, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Krystyna Sztefko
- Department of Clinical Biochemistry, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
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2
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Davies Forsman L, Kim HY, Nguyen TA, Alffenaar JWC. Salivary Therapeutic Drug Monitoring of Antimicrobial Therapy: Feasible or Futile? Clin Pharmacokinet 2024; 63:269-278. [PMID: 38300489 PMCID: PMC10954910 DOI: 10.1007/s40262-024-01346-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/07/2024] [Indexed: 02/02/2024]
Abstract
Personalised drug dosing through therapeutic drug monitoring (TDM) is important to maximise efficacy and to minimise toxicity. Hurdles preventing broad implementation of TDM in routine care include the need of sophisticated equipment and highly trained staff, high costs and lack of timely results. Salivary TDM is a non-invasive, patient-friendly alternative to blood sampling, which has the potential to overcome barriers with traditional TDM. A mobile UV spectrophotometer may provide a simple solution for analysing drug concentrations in saliva samples. Salivary TDM utilising point-of-care tests can support personalised dosing in various settings including low-resource as well as remote settings. In this opinion paper, we describe how hurdles of implementing traditional TDM may be mitigated by salivary TDM with new strategies for patient-friendly point-of-care testing.
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Affiliation(s)
- Lina Davies Forsman
- Division of Infectious Diseases, Department of Medicine, Karolinska Institute, Solna, Sweden
- Sydney Pharmacy School, Faculty of Medicine and Health, University of Sydney, Building A15, Science Road, Sydney, NSW, 2006, Australia
- Westmead Hospital, Sydney, Australia
| | - Hannah Yejin Kim
- Sydney Pharmacy School, Faculty of Medicine and Health, University of Sydney, Building A15, Science Road, Sydney, NSW, 2006, Australia
- The University of Sydney Infectious Diseases Institute (Sydney ID), Sydney, Australia
- Westmead Hospital, Sydney, Australia
| | - Thi Anh Nguyen
- Sydney Pharmacy School, Faculty of Medicine and Health, University of Sydney, Building A15, Science Road, Sydney, NSW, 2006, Australia
- The University of Sydney Infectious Diseases Institute (Sydney ID), Sydney, Australia
- Westmead Hospital, Sydney, Australia
| | - Jan-Willem C Alffenaar
- Sydney Pharmacy School, Faculty of Medicine and Health, University of Sydney, Building A15, Science Road, Sydney, NSW, 2006, Australia.
- The University of Sydney Infectious Diseases Institute (Sydney ID), Sydney, Australia.
- Westmead Hospital, Sydney, Australia.
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Ramadan O, Schatz LM, van den Heuvel I, Masjosthusmann K, Groll AH, Hempel G. Developing a Method for Quantifying Meropenem in Children-Volumetric Adsorptive Microsampling Versus Plasma Sampling. Ther Drug Monit 2023; 45:623-630. [PMID: 37199434 DOI: 10.1097/ftd.0000000000001105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 03/12/2023] [Indexed: 05/19/2023]
Abstract
BACKGROUND Meropenem is a carbapenem antibiotic often used in pediatric intensive care units due to its broad spectrum of activity. Therapeutic drug monitoring (TDM) is a useful tool to increase the effectiveness of meropenem by adjusting the dose based on plasma levels; however, the relatively large sample volume required for TDM can limit its use in children. Therefore, this study aimed to determine meropenem concentrations and consequently perform TDM effectively using the smallest possible sample volume. Volumetric absorptive microsampling (VAMS) is a sampling technology developed to collect a small, precise volume of blood. For the applicability of VAMS in TDM, plasma concentrations must be reliably calculated from whole blood (WB) collected by VAMS. METHODS VAMS technology using 10 µL of WB was evaluated and compared with EDTA-plasma sampling. High-performance liquid chromatography with UV detection was applied to quantify meropenem in VAMS and plasma samples after the removal of proteins by precipitation. Ertapenem was used as the internal standard. Samples were collected simultaneously from critically ill children receiving meropenem using VAMS and traditional sampling. RESULTS It was found that no consistent factor could be determined to calculate meropenem plasma concentrations from the WB, indicating that VAMS was not reliable in the TDM of meropenem. Therefore, to reduce the required sample amount in pediatric patients, a method for quantifying meropenem from 50 µL of plasma with a lower limit of quantification of 1 mg/L was developed and successfully validated. CONCLUSIONS A simple, reliable, and low-cost method was established using high-performance liquid chromatography-UV to determine the concentration of meropenem in 50 µL of plasma. VAMS using WB does not seem to be suitable for TDM of meropenem.
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Affiliation(s)
- Ola Ramadan
- Department of Pharmaceutical and Medical Chemistry, Clinical Pharmacy, University of Münster, Münster, Germany
| | - Lea Marie Schatz
- Department of Pharmaceutical and Medical Chemistry, Clinical Pharmacy, University of Münster, Münster, Germany
| | - Ingeborg van den Heuvel
- Department of General Paediatrics, University Children's Hospital Münster, Münster, Germany; and
| | - Katja Masjosthusmann
- Department of General Paediatrics, University Children's Hospital Münster, Münster, Germany; and
| | - Andreas H Groll
- Department of Pediatric Hematology/Oncology, University Children's Hospital Münster, Münster, Germany
| | - Georg Hempel
- Department of Pharmaceutical and Medical Chemistry, Clinical Pharmacy, University of Münster, Münster, Germany
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Liu T, Chen L, Yu P, Li Q, Lou J. Development and Validation of a Strong Cation Exchange Chromatographic Column Coupled with High-Performance Liquid Chromatography Method for Meropenem and Evaluation of Its Stability in Human Plasma: Application to the Therapeutic Drug Monitoring. J Chromatogr Sci 2023; 61:656-664. [PMID: 36349369 DOI: 10.1093/chromsci/bmac086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Indexed: 08/22/2023]
Abstract
Meropenem is a wide inter-individual variability in the pharmacokinetic, and standard dosing may not be adequate in critically ill patients. Therapeutic drug monitoring is a useful tool to optimize dosing. Meropenem is the amphoteric compound with an isoelectric point of 5.15. The secondary amino group of meropenem is positively charged when pH ≤ 5.4, thus we attempted to separate by strong cation exchange (SCX) column using acetonitrile/25-mM potassium dihydrogen phosphate (pH 3.0; 60:40) as mobile phase, and good peak shape and effective separation obtained. Generally, meropenem were unstable in plasma. We try to investigate stability of plasma samples using the medium QC sample with or without 3-(N-morpholino) propanesulfonic acid (MOPS) as stabilizer solutions at possible conditions during handling and storage. Meropenem showed higher stability at -80°C, and addition of MOPS might increase the short-term and extracted samples stability. This method is suitable for the quantification of meropenem in human plasma from 0.5 to 100 μg/mL. The accuracy was ranged from 96.53 to 101.11% with relative standard deviation ≤ 4.76%. The method has been used for determined 63 critically ill patients treated with meropenem. During the first measurement, 11 patients showed trough levels below the target ranges despite standard dosing. Through continuous or prolonged infusion, 8/11 patients (72.73%) led to adequate trough levels. The described SCX-high-performance liquid chromatography method for meropenem in human plasma is a powerful tool for therapeutic drug monitoring.
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Affiliation(s)
- Ting Liu
- Department of Pharmacy, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, No. 261 Huansha Road, Hangzhou 310006, China
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, No. 261 Huansha Road, Hangzhou 310006, China
| | - Ling Chen
- Department of Pharmacy, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, No. 261 Huansha Road, Hangzhou 310006, China
| | - Panpan Yu
- Department of General Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, No. 261 Huansha Road, Hangzhou 310006, China
| | - Qingyu Li
- Department of Pharmacy, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, No. 261 Huansha Road, Hangzhou 310006, China
| | - Jiang Lou
- Department of Pharmacy, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, No. 261 Huansha Road, Hangzhou 310006, China
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, No. 261 Huansha Road, Hangzhou 310006, China
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Barone R, Conti M, Giorgi B, Gatti M, Cojutti PG, Viale P, Pea F. Fast and Sensitive Method for Simultaneous Quantification of Meropenem and Vaborbactam in Human Plasma Microsamples by Liquid Chromatography-Tandem Mass Spectrometry for Therapeutic Drug Monitoring. Antibiotics (Basel) 2023; 12:antibiotics12040719. [PMID: 37107082 PMCID: PMC10135283 DOI: 10.3390/antibiotics12040719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 03/31/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
Meropenem (MRP)-Vaborbactam (VBR) is a novel beta-lactam/beta-lactamase inhibitor used for the management of difficult-to-treat Gram-negative infections. Among critically ill patients, MRP-VBR shows remarkable inter-individual variability in pharmacokinetic behavior, thus justifying the implementation of therapeutic drug monitoring (TDM) for improving real-time management in different challenging scenarios. In this study, we developed and validated a fast and sensitive Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) method for the simultaneous quantification of MRP and VBR in human plasma microsamples of 3 microliters. The analysis required only a single-step sample preparation and was performed by means of a fast chromatographic run of 4 min, followed by positive electrospray ionization and detection on a high-sensitivity triple quadrupole tandem mass spectrometer operated in multiple reaction monitoring modes. The straightforward analytical procedure was successfully validated, based on the EMA guidelines, in terms of specificity, sensitivity, linearity, precision, accuracy, matrix effect, extraction recovery, the limit of quantification, and stability. The novel method was successfully applied for simultaneously measuring MRP and VBR concentrations in more than 42 plasma samples collected from critically ill patients affected by carbapenem-resistant Gram-negative bacteria infections.
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Affiliation(s)
- Rossella Barone
- Clinical Pharmacology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, 40138 Bologna, Italy
| | - Matteo Conti
- Clinical Pharmacology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Beatrice Giorgi
- Clinical Pharmacology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Milo Gatti
- Clinical Pharmacology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, 40138 Bologna, Italy
| | - Pier Giorgio Cojutti
- Clinical Pharmacology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, 40138 Bologna, Italy
| | - Pierluigi Viale
- Department of Medical and Surgical Sciences, University of Bologna, 40138 Bologna, Italy
- Infectious Diseases Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Federico Pea
- Clinical Pharmacology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, 40138 Bologna, Italy
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Zyryanov S, Bondareva I, Butranova O, Kazanova A. Population PK/PD modelling of meropenem in preterm newborns based on therapeutic drug monitoring data. Front Pharmacol 2023; 14:1079680. [PMID: 37007022 PMCID: PMC10050386 DOI: 10.3389/fphar.2023.1079680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 02/27/2023] [Indexed: 03/17/2023] Open
Abstract
Background: Preterm neonates rarely participate in clinical trials, this leads to lack of adequate information on pharmacokinetics for most drugs in this population. Meropenem is used in neonates to treat severe infections, and absence of evidence-based rationale for optimal dosing could result in mismanagement.Aim: The objective of the study was to determine the population pharmacokinetic (PK) parameters of meropenem in preterm infants from therapeutic drug monitoring (TDM) data in real clinical settings and to evaluate pharmacodynamics (PD) indices as well as covariates affecting pharmacokinetics.Materials and methods: Demographic, clinical and TDM data of 66 preterm newborns were included in PK/PD analysis. The NPAG program from the Pmetrics was used for modelling based on peak-trough TDM strategy and one-compartment PK model. Totally, 132 samples were assayed by high-performance liquid chromatography. Meropenem empirical dosage regimens (40–120 mg/kg/day) were administered by 1–3-h IV infusion 2–3 times a day. Regression analysis was used to evaluate covariates (gestation age (GA), postnatal age (PNA), postconceptual age (PCA), body weight (BW), creatinine clearance, etc.) influenced on PK parameters.Results: The mean ± SD (median) values for constant rate of elimination (Kel) and volume of distribution (V) of meropenem were estimated as 0.31 ± 0.13 (0.3) 1/h and 1.2 ± 0.4 (1.2) L with interindividual variability (CV) of 42 and 33%, respectively. The median values for total clearance (CL) and elimination half-life (T1/2) were calculated as 0.22 L/h/kg and 2.33 h with CV = 38.0 and 30.9%. Results of the predictive performance demonstrated that the population model by itself gives poor prediction, while the individualized Bayesian posterior models give much improved quality of prediction. The univariate regression analysis revealed that creatinine clearance, BW and PCA influenced significantly T1/2, meropenem V was mostly correlated with BW and PCA. But not all observed PK variability can be explained by these regression models.Conclusion: A model-based approach in conjunction with TDM data could help to personalize meropenem dosage regimen. The estimated population PK model can be used as Bayesian prior information to estimate individual PK parameter values in the preterm newborns and to obtain predictions of desired PK/PD target once the patient’s TDM concentration(s) becomes available.
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Affiliation(s)
- Sergey Zyryanov
- Department of General and Clinical Pharmacology, Peoples’ Friendship University of Russia (RUDN University), Moscow, Russia
- State Budgetary Institution of Healthcare of the City of Moscow “City Clinical Hospital No. 24 of the Moscow City Health Department, Moscow, Russia
| | - Irina Bondareva
- Department of General and Clinical Pharmacology, Peoples’ Friendship University of Russia (RUDN University), Moscow, Russia
| | - Olga Butranova
- Department of General and Clinical Pharmacology, Peoples’ Friendship University of Russia (RUDN University), Moscow, Russia
- *Correspondence: Olga Butranova,
| | - Alexandra Kazanova
- Department of General and Clinical Pharmacology, Peoples’ Friendship University of Russia (RUDN University), Moscow, Russia
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Nguyen QK, Duong MN, Nguyen TB, Pham TNM. Visual detection and highly sensitive quantification of antibiotic meropenem in pharmaceutical and human plasma samples using gold nanoparticles. SEP SCI TECHNOL 2023. [DOI: 10.1080/01496395.2023.2189546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Affiliation(s)
- Quang Khanh Nguyen
- Department of Chemistry, College of Natural Sciences, Hanyang University, Seoul, Korea
- Faculty of Chemistry, University of Science, Vietnam National University, Hanoi, Viet Nam
| | - Minh Ngoc Duong
- Faculty of Chemistry, University of Science, Vietnam National University, Hanoi, Viet Nam
| | - Thi Bang Nguyen
- Faculty of Chemistry, University of Science, Vietnam National University, Hanoi, Viet Nam
| | - Thi Ngoc Mai Pham
- Faculty of Chemistry, University of Science, Vietnam National University, Hanoi, Viet Nam
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8
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Zenkevich IG, Nikitina DA, Kushakova AS. Processing and Interpretation of Analytical Data with a High Degree of Uncertainty. JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1134/s1061934822090143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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9
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Abdelfatah RM, Abdelaleem EA, Abdelmomen EH, Abdelmoety RH, Emam AA. Sensitive and Selective Bioscreening of the Most Commonly Used Coronavirus Disease Drug, Favipiravir, and Its Co-Administered therapeutic, Meropenem, in Human Plasma. J Sep Sci 2022; 45:3800-3810. [PMID: 35948316 DOI: 10.1002/jssc.202200332] [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: 04/25/2022] [Revised: 07/30/2022] [Accepted: 08/05/2022] [Indexed: 11/08/2022]
Abstract
Favipiravir and Meropenem have been concurrently used as directly acting antiviral and antibiotic agents for the treatment of coronavirus disease in human plasma. Accurate and specific reversed phase ultra-performance liquid chromatographic and high performance thin layer chromatographic methods were developed and validated for the first time analysis of this combination in spiked human plasma using Cefepime as an internal standard. In the developed UHPLC method, separation was performed on an BEH® C18 column with a mixture of acetonitrile and 0.05 M potassium dihydrogen orthophosphate (pH = 3) in a ratio of 10: 90 (v/v) as an eluate. Scanning of the separated peaks was at 298 nm. The developed method showed high sensitivity, and the drugs showed linearity in the range of (5-70 μg/mL) for Favipiravir and (2-50 μg/mL) for. The proposed high performance thin layer chromatographic method included the separation using a mixture of ethyl acetate: methanol: deionized water: formic acid (5: 4: 1.5: 0.3, by volume), then spots detection at 300 nm. Methods were investigated for greenness using the eco-scale and national environmental method index tools and were validated according to food and drug administration guidelines. Methods can be applied for bio-analysis and therapeutic drug monitoring studies. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Rehab M Abdelfatah
- Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Beni-Suef University
| | - Eglal A Abdelaleem
- Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Beni-Suef University
| | - Esraa H Abdelmomen
- Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Nahda University (NUB)
| | - Refaat H Abdelmoety
- Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Nahda University (NUB)
| | - Aml A Emam
- Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Beni-Suef University
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Methods for Determination of Meropenem Concentration in Biological Samples. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2022. [DOI: 10.2478/sjecr-2022-0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Measuring the concentration of antibiotics in biological samples allow implementation of therapeutic monitoring of these drugs and contribute to the adjustment of the dosing regimen in patients. This increases the effectiveness of antimicrobial therapy, reduces the toxicity of these drugs and prevents the development of bacterial resistance. This review article summarizes current knowledge on methods for determining concentration of meropenem, an antibiotic drug from the group of carbapenems, in different biological samples. It provides a brief discussion of the chemical structure, physicochemical and pharmacokinetic properties of meropenem, different sample preparation techniques, use of apparatus and equipment, knowledge of the advantages and limitations of available methods, as well as directions in which new methods should be developed. This review should facilitate clinical laboratories to select and apply one of the established methods for measuring of meropenem, as well as to provide them with the necessary knowledge to develop new methods for quantification of meropenem in biological samples according to their needs.
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11
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Antibiotic Impregnation, Release, Activity, and Interaction with Porous Hydroxyapatite for Infectious Control in Neurotrauma Surgery. J Pharm Sci 2022; 111:2389-2396. [DOI: 10.1016/j.xphs.2022.04.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/22/2022] [Accepted: 04/22/2022] [Indexed: 11/23/2022]
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12
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Atta NF, Galal A, El-Gohary AR. Novel designed electrochemical sensor for simultaneous determination of linezolid and meropenem pneumonia drugs. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115814] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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13
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Zhao Y, Liao Q, Xi K, Xu D. MoS 2-Assisted LDI Mass Spectrometry for the Detection of Small Molecules and Quantitative Analysis of Sulfonamides in Serum. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2021; 32:2463-2471. [PMID: 34369148 DOI: 10.1021/jasms.1c00182] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A two-dimensional MoS2 nanosheet was prepared by a chemical exfoliation method and served as an excellent matrix for the detection of small molecules by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). In comparison with organic matrices (CHCA, 3-AQ) and a graphene matrix, we found that a MoS2 matrix showed better performance in analysis of amino acids, peptides, fatty acids, and sulfonamides. A systematic comparison of the MoS2 matrix with both ion modes showed that mass spectra produced in negative ion mode featured a corresponding single deprotonated ion, which was rather different from the complex multiple alkali metal addition peaks present in positive ion mode. In addition, better sensitivity and reproducibility were obtained in negative ion mode. The ionization mechanism of MoS2 as a matrix in negative ion mode was further discussed. The deproton peak intensity of the analyte fatty acid decreased after the addition of the hole-scavenger KSCN, indicating that the ionization of the fatty acid was caused by the Auger complex effect of MoS2 and electron injection. Experiments have shown that the MoS2 matrix detects small molecules with good repeatability and can perform semiquantitative analysis of sulfonamides. Finally, the MoS2 matrix was employed for quantitative determination of sulfamethoxine in serum samples by an internal standard method. This MoS2-assisted laser desorption/ionization mass spectrometry (MoS2-assisted LDI MS) method provides a simple, rapid, high-throughput approach to evaluate the drug levels in the patient serum and can achieve convenient drug therapy monitoring.
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Affiliation(s)
- Yaju Zhao
- Zhejiang Engineering Research Institute of Food & Drug Quality and Safety, School of Management and E-Business, Zhejiang Gongshang University, Hangzhou 310018, People's Republic of China
| | - Qiaobo Liao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Kai Xi
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Danke Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
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14
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Roth T, Weber L, Niestroj M, Cipa F, Löscher A, Mihai S, Parsch H. Simultaneous determination of six antibiotics in human serum by high-performance liquid chromatography with UV detection. Biomed Chromatogr 2020; 35:e5010. [PMID: 33119907 DOI: 10.1002/bmc.5010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 10/02/2020] [Accepted: 10/16/2020] [Indexed: 11/07/2022]
Abstract
Antibiotics are widely used in intensive care patients to treat severe infections. To avoid bacterial resistance or toxic side effects, the determination of serum concentration of ABs is advisable. Therefore, in this study, we developed and validated a simple and fast high-performance liquid chromatography method with UV detection for the simultaneous determination of four β-lactam ABs (meropenem, imipenem, ceftazidime, and piperacillin) and two coadministered substances (cilastatin and tazobactam) in human serum. Sample preparation required a simple protein precipitation by methanol. The separation of the ABs occurred within a timeframe of 17 min. For this purpose, we used a Kinetex F5 column with a linear gradient of acetonitrile and phosphate buffer (pH 6.9). The UV detector recorded two separate chromatograms at 220 and 295 nm simultaneously. Validation has demonstrated that the method is linear, accurate, and precise within the clinically relevant range for each substance.
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Affiliation(s)
- Thomas Roth
- Central Laboratory, University Hospital Erlangen, Erlangen, Germany
| | - Lea Weber
- Central Laboratory, University Hospital Erlangen, Erlangen, Germany
| | - Marion Niestroj
- Central Laboratory, University Hospital Erlangen, Erlangen, Germany
| | - Franziska Cipa
- Central Laboratory, University Hospital Erlangen, Erlangen, Germany
| | - Astrid Löscher
- Central Laboratory, University Hospital Erlangen, Erlangen, Germany
| | - Sidonia Mihai
- Central Laboratory, University Hospital Erlangen, Erlangen, Germany
| | - Hans Parsch
- Central Laboratory, University Hospital Erlangen, Erlangen, Germany
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Muneer S, Sarfo DK, Ayoko GA, Islam N, Izake EL. Gold-Deposited Nickel Foam as Recyclable Plasmonic Sensor for Therapeutic Drug Monitoring in Blood by Surface-Enhanced Raman Spectroscopy. NANOMATERIALS 2020; 10:nano10091756. [PMID: 32899949 PMCID: PMC7558188 DOI: 10.3390/nano10091756] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/24/2020] [Accepted: 09/02/2020] [Indexed: 01/05/2023]
Abstract
A sensitive and recyclable plasmonic nickel foam sensor has been developed for surface-enhanced Raman spectroscopy (SERS). A simple electrochemical method was used to deposit flower-shaped gold nanostructures onto nickel foam substrate. The high packing of the gold nanoflowers onto the nickel foam led to a high enhancement factor (EF) of 1.6 × 1011. The new SERS sensor was utilized for the direct determination of the broad-spectrum β-lactam carbapenem antibiotic meropenem in human blood plasma down to one pM. The sensor was also used in High Performance Liquid Chromatography (HPLC)-SERS assembly to provide fingerprint identification of meropenem in human blood plasma. Moreover, the SERS measurements were reproducible in aqueous solution and human blood plasma (RSD = 5.5%) and (RSD = 2.86%), respectively at 200 µg/mL (n = 3), and successfully recycled using a simple method, and hence, used for the repeated determination of the drug by SERS. Therefore, the new sensor has a strong potential to be applied for the therapeutic drug monitoring of meropenem at points of care and intensive care units.
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Affiliation(s)
- Saiqa Muneer
- School of Chemistry and Physics, Science and Engineering Faculty, Queensland University of Technology, 2 George St., Brisbane QLD 4000, Australia; (S.M.); (D.K.S.); (G.A.A.)
| | - Daniel K. Sarfo
- School of Chemistry and Physics, Science and Engineering Faculty, Queensland University of Technology, 2 George St., Brisbane QLD 4000, Australia; (S.M.); (D.K.S.); (G.A.A.)
| | - Godwin A. Ayoko
- School of Chemistry and Physics, Science and Engineering Faculty, Queensland University of Technology, 2 George St., Brisbane QLD 4000, Australia; (S.M.); (D.K.S.); (G.A.A.)
| | - Nazrul Islam
- School of Clinical Sciences, Faculty of Health, Queensland University of Technology, 2 George St., Brisbane, QLD 4000, Australia;
| | - Emad L. Izake
- School of Chemistry and Physics, Science and Engineering Faculty, Queensland University of Technology, 2 George St., Brisbane QLD 4000, Australia; (S.M.); (D.K.S.); (G.A.A.)
- Correspondence: ; Tel.: +61-7-3138-2501
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16
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Tuzimski T, Petruczynik A. Review of Chromatographic Methods Coupled with Modern Detection Techniques Applied in the Therapeutic Drugs Monitoring (TDM). Molecules 2020; 25:E4026. [PMID: 32899296 PMCID: PMC7504794 DOI: 10.3390/molecules25174026] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 08/29/2020] [Accepted: 08/30/2020] [Indexed: 12/15/2022] Open
Abstract
Therapeutic drug monitoring (TDM) is a tool used to integrate pharmacokinetic and pharmacodynamics knowledge to optimize and personalize various drug therapies. The optimization of drug dosing may improve treatment outcomes, reduce toxicity, and reduce the risk of developing drug resistance. To adequately implement TDM, accurate and precise analytical procedures are required. In clinical practice, blood is the most commonly used matrix for TDM; however, less invasive samples, such as dried blood spots or non-invasive saliva samples, are increasingly being used. The choice of sample preparation method, type of column packing, mobile phase composition, and detection method is important to ensure accurate drug measurement and to avoid interference from matrix effects and drug metabolites. Most of the reported procedures used liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) techniques due to its high selectivity and sensitivity. High-performance chromatography with ultraviolet detection (HPLC-UV) methods are also used when a simpler and more cost-effective methodology is desired for clinical monitoring. The application of high-performance chromatography with fluorescence detection (HPLC-FLD) with and without derivatization processes and high-performance chromatography with electrochemical detection (HPLC-ED) techniques for the analysis of various drugs in biological samples for TDM have been described less often. Before chromatographic analysis, samples were pretreated by various procedures-most often by protein precipitation, liquid-liquid extraction, and solid-phase extraction, rarely by microextraction by packed sorbent, dispersive liquid-liquid microextraction. The aim of this article is to review the recent literature (2010-2020) regarding the use of liquid chromatography with various detection techniques for TDM.
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Affiliation(s)
- Tomasz Tuzimski
- Department of Physical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Anna Petruczynik
- Department of Inorganic Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
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Preanalytical Stability of Piperacillin, Tazobactam, Meropenem, and Ceftazidime in Plasma and Whole Blood Using Liquid Chromatography-Tandem Mass Spectrometry. Ther Drug Monit 2020; 41:538-543. [PMID: 31306394 DOI: 10.1097/ftd.0000000000000650] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Therapeutic drug monitoring (TDM) is increasingly used to optimize the dosing of beta-lactam antibiotics in critically ill patients. However, beta-lactams are inherently unstable and degrade over time. Hence, patient samples need to be appropriately handled and stored before analysis to generate valid results for TDM. The appropriate handling and storage conditions are not established, with few and conflicting studies on the stability of beta-lactam antibiotics in clinical samples. The aim of this study was to assess the preanalytical stability of piperacillin, tazobactam, meropenem, and ceftazidime in human plasma and whole blood using a liquid chromatography-tandem mass spectrometry method for simultaneous quantification. METHODS A reverse phase liquid chromatography-tandem mass spectrometry method for the quantification of piperacillin, tazobactam, meropenem, and ceftazidime in plasma after protein precipitation was developed and validated. The preanalytical stability of these beta-lactams was assessed in EDTA- and citrate-anticoagulated plasma at 24, 4, and -20°C. The whole blood stability of the analytes in EDTA-anticoagulated tubes was assessed at 24°C. Stability was determined by nonlinear regression analysis defined by the lower limit of the 95th confidence interval of the time to 15% of degradation. RESULTS Based on the lower limit of the 95th confidence interval of the time to 15% of degradation, piperacillin, tazobactam, meropenem, and ceftazidime were stable in EDTA-anticoagulated plasma for at least 6 hours at 24°C, 3 days at 4°C, and 4 days at -20°C. Stability in EDTA- and citrate-anticoagulated plasma was similar. Stability in whole blood was similar to plasma at 24°C. CONCLUSIONS Plasma samples for the TDM of piperacillin, tazobactam, meropenem, and ceftazidime should be processed within 6 hours if kept at room temperature and within 3 days if kept at 4°C. All long-term storage of samples should be at -80°C.
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Hiraiwa T, Moriyama K, Matsumoto K, Shimomura Y, Kato Y, Yamashita C, Hara Y, Kawaji T, Kurimoto Y, Nakamura T, Kuriyama N, Shibata J, Komura H, Morita K, Nishida O. In vitro Evaluation of Linezolid and Doripenem Clearance with Different Hemofilters. Blood Purif 2020; 49:295-301. [PMID: 31995801 DOI: 10.1159/000504039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Accepted: 10/10/2019] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Renal replacement therapy (RRT) is widely used in the treatment of septic acute kidney injury. However, little is known about how the adsorption properties of hemofilters used in RRT affect antibiotic concentration. Because a cytokine-adsorption membrane is frequently used in RRT, it is important to determine the antibiotic adsorption capacity of this membrane. OBJECTIVE The present study aimed to investigate the antibiotic adsorption capacity of different hemofilter membranes by in vitro experiments using 2 antibacterial agents (linezolid and doripenem). METHODS We performed experimental hemofiltration in vitro using polyacrylonitrile (AN69ST), polymethylmethacrylate (PMMA), and polysulfone (PS) hemofilters for 1,440 min. The test solution was a 1,000-mL substitution fluid containing 30 µg/mL linezolid and 120 µg/mL doripenem. We measured drug concentrations at the inlet, outlet, and filtrate ports of the hemofilters for 1,440 min and calculated the sieving coefficient (SC) and adsorption rate (Ra) of the drugs onto the hemofilters. RESULTS The amount of linezolid adsorbed onto AN69ST, PMMA, and PS membranes was decreased relative to that in the control group at 15 min (p < 0.05). However, no SC for linezolid was obtained thereafter. The Ra of linezolid onto AN69ST, PMMA, and PS membranes was higher than that in the control group (p < 0.05). In contrast, no significant differences were observed in the concentrations and Ra values of doripenem adsorbed onto AN69ST, PMMA, and PS membranes compared with those in the control group. CONCLUSIONS Doripenem was not adsorbed onto PMMA, PS, and AN69ST membranes. Linezolid was adsorbed onto PMMA, PS, and AN69ST membranes, but only temporarily, and this did not affect drug bioavailability.
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Affiliation(s)
- Toshihisa Hiraiwa
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Kazuhiro Moriyama
- Laboratory for Immune Response and Regulatory Medicine, Fujita Health University School of Medicine, Toyoake, Japan,
| | - Kana Matsumoto
- Department of Clinical Pharmaceutics, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyotanabe, Japan
| | - Yasuyo Shimomura
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Yu Kato
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Chizuru Yamashita
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Yoshitaka Hara
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Takahiro Kawaji
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Yasuyoshi Kurimoto
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Tomoyuki Nakamura
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Naohide Kuriyama
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Junpei Shibata
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Hidefumi Komura
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
| | - Kunihiko Morita
- Department of Clinical Pharmaceutics, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyotanabe, Japan
| | - Osamu Nishida
- Department of Anesthesiology and Clinical Care Medicine, Fujita Health University School of Medicine, Toyoake, Japan
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19
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Dincel D, Sagirli O, Topcu G. A High-Performance Liquid Chromatographic Method for the Determination of Meropenem in Serum. J Chromatogr Sci 2020; 58:144-150. [PMID: 31738410 DOI: 10.1093/chromsci/bmz087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 09/05/2019] [Accepted: 08/07/2019] [Indexed: 11/12/2022]
Abstract
In this study, a new, sensitive and selective high-performance liquid chromatographic method was developed for the determination of meropenem (MEM) in human serum. In the developed method, C18 column (3.9 × 150 mm, 5 μm) was selected as stationary phase at 30°C, and methanol: acetic acid solution mixture was used as mobile phase with gradient program. Chromatographic separation was carried out at a flow rate of 1 mL/min, and detection was performed at 300 nm with diode array detector. Doripenem was selected as an internal standard, and the analytes were extracted from serum using protein precipitation method with ortho-phosphoric acid: methanol. Detection wavelength was selected as 300 nm. The developed method was validated according to International Council for Harmonisation (ICH) guidelines. The calibration curve was linear over a concentration range of 4-240 μg/mL with correlation coefficient of 0.9985. The limit of detection and limit of quantification values were found as 0.057 and 0.192 μg/mL, respectively. The validated method was successfully applied for the determination of MEM in human serum samples collected from patient volunteers at different time intervals, and therapeutic drug monitoring of MEM has been investigated.
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Affiliation(s)
- Demet Dincel
- Department of Analytical Chemistry, Faculty of Pharmacy, Istanbul University, 34116, Istanbul, Turkey.,Department of Analytical Chemistry, Faculty of Pharmacy, Bezmialem Vakif University, 34093, Istanbul, Turkey
| | - Olcay Sagirli
- Department of Analytical Chemistry, Faculty of Pharmacy, Istanbul University, 34116, Istanbul, Turkey
| | - Gulacti Topcu
- Department of Pharmacognosy, Faculty of Pharmacy, Bezmialem Vakif University, 34093, Istanbul, Turkey
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20
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Li Y, Xu X, Liu L, Kuang H, Xu L, Xu C. Rapid detection of 21 β-lactams using an immunochromatographic assay based on the mutant BlaR-CTD protein from Bacillus Licheniformis. Analyst 2020; 145:3257-3265. [DOI: 10.1039/d0an00421a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In this study, a gold immunochromatographic assay (GICA) based on a penicillin receptor protein (PBP) is proposed to simultaneously detect penicillin, cephalosporin, and carbapenem antibiotics in milk and chicken.
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Affiliation(s)
- Yue Li
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection
| | - 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
| | - 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
| | - 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
| | - 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
| | - 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
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21
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A validated LC-MSMS method for the simultaneous quantification of meropenem and vaborbactam in human plasma and renal replacement therapy effluent and its application to a pharmacokinetic study. Anal Bioanal Chem 2019; 411:7831-7840. [DOI: 10.1007/s00216-019-02184-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 09/12/2019] [Accepted: 10/01/2019] [Indexed: 02/06/2023]
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22
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Cherkashina K, Lebedinets S, Pochivalov A, Lezov A, Vakh C, Bulatov A. Homogeneous liquid-liquid microextraction based on primary amine phase separation: A novel approach for sample pretreatment. Anal Chim Acta 2019; 1074:117-122. [DOI: 10.1016/j.aca.2019.04.070] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/26/2019] [Accepted: 04/28/2019] [Indexed: 01/14/2023]
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23
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Gadallah MI, Ali HRH, Askal HF, Saleh GA. Innovative HPTLC-densitometric method for therapeutic monitoring of meropenem and metronidazole in acute pancreatic patients. Microchem J 2019. [DOI: 10.1016/j.microc.2019.02.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ferrone V, Cotellese R, Cichella A, Raimondi P, Carlucci M, Palumbo P, Carlucci G. Meropenem and ciprofloxacin in complicated gastric surgery for cancer patients: A simple SPE–UHPLC–PDA method for their determination in human plasma. Biomed Chromatogr 2019; 33:e4450. [DOI: 10.1002/bmc.4450] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 11/15/2018] [Accepted: 11/27/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Vincenzo Ferrone
- Dipartimento di FarmaciaOrali e Biotecnologiche ‐ Università degli Studi “G. d'Annunzio” Chieti‐Pescara Chieti Italy
| | - Roberto Cotellese
- Dipartimento di Scienze MedicheOrali e Biotecnologiche ‐ Università degli Studi “G. d'Annunzio” Chieti‐Pescara Chieti Italy
| | - Annadomenica Cichella
- Dipartimento di Scienze MedicheOrali e Biotecnologiche ‐ Università degli Studi “G. d'Annunzio” Chieti‐Pescara Chieti Italy
| | - Paolo Raimondi
- Dipartimento di Scienze MedicheOrali e Biotecnologiche ‐ Università degli Studi “G. d'Annunzio” Chieti‐Pescara Chieti Italy
| | - Maura Carlucci
- Dipartimento di Scienze MedicheOrali e Biotecnologiche ‐ Università degli Studi “G. d'Annunzio” Chieti‐Pescara Chieti Italy
| | - Paola Palumbo
- Dipartimento di Medicina Clinica, Sanità PubblicaScienze della Vita e dell'Ambiente ‐ Università degli studi di L'Aquila L'Aquila Italy
| | - Giuseppe Carlucci
- Dipartimento di FarmaciaOrali e Biotecnologiche ‐ Università degli Studi “G. d'Annunzio” Chieti‐Pescara Chieti Italy
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Farid NF, Abdelwahab NS. New ecological method for determination of different β-lactams: application to real human plasma samples. RSC Adv 2019; 9:19539-19548. [PMID: 35519414 PMCID: PMC9065318 DOI: 10.1039/c9ra02671a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 06/16/2019] [Indexed: 11/21/2022] Open
Abstract
An innovative ecofriendly HPTLC method was established for in vivo analysis of four β-lactam antibiotics with minimal sample pretreatment.
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Affiliation(s)
- Nehal F. Farid
- Pharmaceutical Analytical Chemistry
- Faculty of Pharmacy
- Beni-Suef University
- Beni-Suef
- Egypt
| | - Nada S. Abdelwahab
- Pharmaceutical Analytical Chemistry
- Faculty of Pharmacy
- Beni-Suef University
- Beni-Suef
- Egypt
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26
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Attia AK, Al-Ghobashy MA, El-Sayed GM, Kamal SM. Voltammetric monitoring of linezolid, meropenem and theophylline in plasma. Anal Biochem 2018; 545:54-64. [PMID: 29407178 DOI: 10.1016/j.ab.2018.01.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 01/01/2018] [Accepted: 01/12/2018] [Indexed: 01/23/2023]
Abstract
Treatment of healthcare associated Pneumonia (HCAP) caused by Methicillin-resistant Staphylococcus aureus (MRSA) requires therapeutic protocols formed of linezolid (LIN) either alone or in combination with meropenem (MERO) and theophylline (THEO). The inter-individual pharmacokinetic variations require the development of reliable therapeutic drug monitoring (TDM) tools especially in immunocompromised patients. A sensitive square wave voltammetric sensor using multiwalled carbon nanotubes (MWCNTs) modified carbon paste electrode in Britton-Robinson buffer was developed and validated. Experimental parameters such as pH, percentage of MWCNTs, and pre-concentration time were optimized. The sensor was employed at pH 11.0 for the determination of LIN in plasma within a concentration range of 2.5 × 10-8 - 8.0 × 10-6 mol L-1without interference from co-administered medications. On the other hand, simultaneous monitoring of LIN, MERO and THEO in plasma was feasible at pH 3.0 over concentration ranges of 4.0 × 10-7- 9.0 × 10-5, 8.0 × 10-7- 9.0 × 10-5 and 8.0 × 10-7 - 9.0 × 10-5 mol L-1, respectively. The performance of the proposed sensor was validated and the applicability for TDM has been demonstrated in plasma of healthy volunteers.
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Affiliation(s)
- Ali K Attia
- National Organization for Drug Control and Research, Cairo, Egypt.
| | - Medhat A Al-Ghobashy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt; Bioanalysis Research Group, School of Pharmacy, New Giza University, Egypt
| | - Ghada M El-Sayed
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Samah M Kamal
- National Organization for Drug Control and Research, Cairo, Egypt
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27
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Li X, Sun S, Wang Q, Zhao Z. Population Pharmacokinetics of Combined Intravenous and Local Intrathecal Administration of Meropenem in Aneurysm Patients with Suspected Intracranial Infections After Craniotomy. Eur J Drug Metab Pharmacokinet 2018; 43:45-53. [PMID: 28616823 DOI: 10.1007/s13318-017-0422-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND AND OBJECTIVE For patients with intracranial infection, local intrathecal administration of meropenem may be a useful method to obtain a sufficient drug concentration in the cerebral spinal fluid (CSF). However, a large inter-individual variability may pose treatment efficacy at risk. This study aimed to identify factors affecting drug concentration in the CSF using population pharmacokinetics method. METHODS After craniotomy, aneurysm patients with an indwelling lumbar cistern drainage tube who received a combined intravenous and intrathecal administration of meropenem for the treatment of suspected intracranial infection were enrolled. Venous blood and CSF specimens were collected for determining meropenem concentrations. Nonlinear mixed-effects modeling method was used to fit blood and CSF concentrations simultaneously and to develop the population pharmacokinetic model. The proposed model was applied to simulate dosage regimens. RESULTS A three-compartmental model was established to describe meropenem in vivo behavior. Lumbar CSF drainage resulted in a drug loss, and drug clearance in CSF (CLCSF) was employed to describe this. The covariate analysis found that the drainage volume (mL/day) was strongly associated with CLCSF, and the effect of creatinine clearance was significant on the clearance of meropenem in blood (CL). Visual predictive check suggested that the proposed pharmacokinetic model agreed well with the observations. Simulation showed that both intravenous and intrathecal doses should be increased with the increases of minimum inhibitory concentration and daily CSF drainage volume. CONCLUSION This model incorporates covariates of the creatinine clearance and the drainage volume, and a simple to use dosage regimen table was created to guide clinicians with meropenem dosing.
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Affiliation(s)
- Xingang Li
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100050, China
| | - Shusen Sun
- College of Pharmacy, Western New England University, Springfield, MA, 01119, USA
| | - Qiang Wang
- Intensive Care Unit, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100050, China
| | - Zhigang Zhao
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100050, China.
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