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Shopova T, Hüppe T, Wolf B, Sessler DI, Volk T, Groesdonk HV, Kreuer S, Maurer F. Quantitative Determination of Fosfomycin in 10 μL of Plasma and Dialysate by Hydrophilic Interaction Liquid Chromatography Electrospray Ionization Mass Spectrometry. J Chromatogr Sci 2021; 59:165-174. [PMID: 33302294 DOI: 10.1093/chromsci/bmaa092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 02/12/2020] [Accepted: 10/17/2020] [Indexed: 11/12/2022]
Abstract
Fosfomycin is an antibiotic with a broad spectrum of activity against many multidrug-resistant bacterial strains. It is mainly excreted unchanged by the kidneys, and its half-life therefore depends on kidney function which varies considerably among individuals, and within individuals over time. Proper fosfomycin dosing thus depends on assaying blood concentration of the drug. We developed and validated a simple, sensitive and specific chromatography assay, which was coupled to electrospray ionization mass spectrometry for determination of fosfomycin. Separation of fosfomycin was based on the method of the hydrophilic interaction liquid chromatography; specifically, plasma and dialysate samples were acidified and the protein precipitated with acetonitrile. The calibration curves showed excellent coefficients of determination (R2 > 0.999) over the relevant concentration range of 25-700 μg/mL. Intraday precision was 1.1-1.2% and accuracy was -5.9% to 0.9% for quality control samples. Interday precision was 2.9-3.4% and accuracy was -3.7% to 5.5%. Extraction recovery was ≥87% and matrix effects ranged from 2.2% to 4.3%. After laboratory validation, the method was successfully applied to clinical samples.
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Affiliation(s)
- Teodora Shopova
- CBR Center of Breath Research, Department of Anesthesiology, Intensive Care and Pain Therapy, Saarland University Medical Center and Saarland University Faculty of Medicine, Kirrberger Straße 100, D-66424 Homburg, Germany
| | - Tobias Hüppe
- CBR Center of Breath Research, Department of Anesthesiology, Intensive Care and Pain Therapy, Saarland University Medical Center and Saarland University Faculty of Medicine, Kirrberger Straße 100, D-66424 Homburg, Germany
| | - Beate Wolf
- CBR Center of Breath Research, Department of Anesthesiology, Intensive Care and Pain Therapy, Saarland University Medical Center and Saarland University Faculty of Medicine, Kirrberger Straße 100, D-66424 Homburg, Germany
| | - Daniel I Sessler
- Michael Cudahy Professor and Chair, Deparment of Outcome Research, Anesthesiology Institute, 9500 Euclid Avenue, Cleveland Clinic, Cleveland, OH, USA
| | - Thomas Volk
- CBR Center of Breath Research, Department of Anesthesiology, Intensive Care and Pain Therapy, Saarland University Medical Center and Saarland University Faculty of Medicine, Kirrberger Straße 100, D-66424 Homburg, Germany
| | - Heinrich V Groesdonk
- Deparment of Intensive Care Medicine, Helios Clinic Erfurt, Nordhäuser Straße 74, D-99089 Erfurt, Germany
| | - Sascha Kreuer
- CBR Center of Breath Research, Department of Anesthesiology, Intensive Care and Pain Therapy, Saarland University Medical Center and Saarland University Faculty of Medicine, Kirrberger Straße 100, D-66424 Homburg, Germany
| | - Felix Maurer
- CBR Center of Breath Research, Department of Anesthesiology, Intensive Care and Pain Therapy, Saarland University Medical Center and Saarland University Faculty of Medicine, Kirrberger Straße 100, D-66424 Homburg, Germany
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El-Najjar N, Jantsch J, Gessner A. A rapid liquid chromatography-tandem mass spectrometry for the quantification of Fosfomycin in plasma, urine, and aqueous fluids. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1061-1062:57-64. [DOI: 10.1016/j.jchromb.2017.06.046] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 06/16/2017] [Accepted: 06/26/2017] [Indexed: 10/19/2022]
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Jiang H, Chen H, Cai N, Zou J, Ju X. Quantitative 31P-NMR spectroscopy for the determination of fosfomycin and impurity A in pharmaceutical products of fosfomycin sodium or calcium. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2015; 53:454-9. [PMID: 25855198 DOI: 10.1002/mrc.4224] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Revised: 01/07/2015] [Accepted: 01/15/2015] [Indexed: 05/24/2023]
Abstract
A quantitative 31P-NMR method for the determination of fosfomycin and impurity A in pharmaceutical products of fosfomycin sodium or calcium has been developed. In this method, coaxial inserts containing trimethyl phosphate are used as external standard. The method is convenient and robust, and gives both high accuracy and precision. It is shown that an accurate determination is possible using different probes and coaxial inserts.
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Affiliation(s)
- Haipeng Jiang
- Center of Analysis and Test, Wuhan Institute of Technology, Wuhan, 430073, China
| | - Hong Chen
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430073, China
| | - Nian Cai
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430073, China
| | - Jing Zou
- Center of Analysis and Test, Wuhan Institute of Technology, Wuhan, 430073, China
| | - Xiulian Ju
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430073, China
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A validated method for the quantification of fosfomycin in human plasma by liquid chromatography–tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 990:164-8. [DOI: 10.1016/j.jchromb.2015.03.029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 03/25/2015] [Accepted: 03/29/2015] [Indexed: 11/20/2022]
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Parker SL, Lipman J, Roberts JA, Wallis SC. A simple LC-MS/MS method using HILIC chromatography for the determination of fosfomycin in plasma and urine: application to a pilot pharmacokinetic study in humans. J Pharm Biomed Anal 2014; 105:39-45. [PMID: 25527980 DOI: 10.1016/j.jpba.2014.11.042] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Revised: 11/21/2014] [Accepted: 11/23/2014] [Indexed: 11/29/2022]
Abstract
A high performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) method, using hydrophilic interaction liquid chromatography (HILIC) chromatography for the analysis of fosfomycin in human plasma and urine, has been developed and validated. The plasma method uses a simple protein precipitation using a low volume sample (10 μL) and is suitable for the concentration range of 1 to 2000 μg/mL. The urine method involves a simple dilution of 10 μL of sample and is suitable for a concentration range of 0.1 to 10 mg/mL. The plasma and urine results, reported, respectively, are for recovery (68, 72%), inter-assay precision (≤9.1%, ≤8.1%) and accuracy (range -7.2 to 3.3%, -1.9 to 1.6%), LLOQ precision (4.7%, 3.1%) and accuracy (1.7% and 1.2%), and includes investigations into the linearity, stability and matrix effects. The method was used in a pilot pharmacokinetic study of a critically ill patient receiving i.v. fosfomycin, which measured a maximum and minimum plasma concentration of 222 μg/mL and 172 μg/mL, respectively, after the initial dose, and a maximum and minimum plasma concentration of 868 μg/mL and 591μg/mL, respectively, after the fifth dose. The urine concentration was 2.03 mg/mL after the initial dose and 0.29 mg/mL after the fifth dose.
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Affiliation(s)
- Suzanne L Parker
- Burns, Trauma and Critical Care Research Centre, The University of Queensland, Brisbane, Australia.
| | - Jeffrey Lipman
- Burns, Trauma and Critical Care Research Centre, The University of Queensland, Brisbane, Australia; Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Jason A Roberts
- Burns, Trauma and Critical Care Research Centre, The University of Queensland, Brisbane, Australia; Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Steven C Wallis
- Burns, Trauma and Critical Care Research Centre, The University of Queensland, Brisbane, Australia
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Papakondyli TA, Gremilogianni AM, Megoulas NC, Koupparis MA. A novel derivatization method for the determination of Fosfomycin in human plasma by liquid chromatography coupled with atmospheric pressure chemical ionization mass spectrometric detection via phase transfer catalyzed derivatization. J Chromatogr A 2014; 1332:1-7. [DOI: 10.1016/j.chroma.2014.01.041] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2013] [Revised: 01/13/2014] [Accepted: 01/14/2014] [Indexed: 10/25/2022]
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Dieguez S, Soraci A, Tapia O, Carciochi R, Pérez D, Harkes R, Romano O. DETERMINATION OF ANTIBIOTIC FOSFOMYCIN IN CHICKEN SERUM BY LIQUID CHROMATOGRAPHY-TANDEM MASS SPECTROMETRY. J LIQ CHROMATOGR R T 2011. [DOI: 10.1080/10826076.2010.526873] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Susana Dieguez
- a Laboratorio de Toxicología, Facultad de Ciencias Veterinarias UNCPBA , Tandil, Argentina
| | - Alejandro Soraci
- a Laboratorio de Toxicología, Facultad de Ciencias Veterinarias UNCPBA , Tandil, Argentina
| | - Ofelia Tapia
- a Laboratorio de Toxicología, Facultad de Ciencias Veterinarias UNCPBA , Tandil, Argentina
| | - Ramiro Carciochi
- a Laboratorio de Toxicología, Facultad de Ciencias Veterinarias UNCPBA , Tandil, Argentina
| | - Denisa Pérez
- a Laboratorio de Toxicología, Facultad de Ciencias Veterinarias UNCPBA , Tandil, Argentina
| | - Roberto Harkes
- b Bedson S.A., Las Palmeras 2240 , La Lonja, Pilar, Argentina
| | - Omar Romano
- b Bedson S.A., Las Palmeras 2240 , La Lonja, Pilar, Argentina
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Li L, Chen X, Dai X, Chen H, Zhong D. Rapid and selective liquid chromatographic/tandem mass spectrometric method for the determination of fosfomycin in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2007; 856:171-7. [PMID: 17574936 DOI: 10.1016/j.jchromb.2007.05.037] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2007] [Revised: 05/20/2007] [Accepted: 05/22/2007] [Indexed: 10/23/2022]
Abstract
A rapid and selective liquid chromatographic/tandem mass spectrometric method for determination of fosfomycin was developed and validated. Following protein-precipitation, the analyte and internal standard (fudosteine) were separated from human plasma using an isocratic mobile phase on an Ultimate XB-CN column. An API 4000 tandem mass spectrometer equipped with Turbo IonSpray ionization source was used as detector and was operated in the negative ion mode. Multiple reaction monitoring using the precursor to product ion combinations of m/z 137-->79 and m/z 178-->91 was performed to quantify fosfomycin and fudosteine, respectively. The method was linear in the concentration range of 0.10-12.0 microg/mL using 50 microL of plasma. The lower limit of quantification was 0.10 microg/mL. The intra- and inter-day relative standard deviation over the entire concentration range was less than 10.6%. Accuracy determined at three concentrations (0.25, 1.00 and 8.00 microg/mL for fosfomycin) ranged from -1.0% to -4.2% in terms of relative error. Each plasma sample was chromatographed within 5.0 min. The method was successfully used in a bioequivalence study of fosfomycin in human plasma after an oral administration of capsules containing 1.0 g fosfomycin (approximately 1.3g calcium fosfomycin).
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Affiliation(s)
- Li Li
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 646 Songtao Road, Shanghai 201203, PR China
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Sung WC, Chen SH. Pharmacokinetic applications of capillary electrophoresis: A review on recent progress. Electrophoresis 2006; 27:257-65. [PMID: 16315169 DOI: 10.1002/elps.200500617] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This article covers recent publications from 2003 to 2005 on the subject of pharmacokinetic applications of CE. Many analytical methods were validated and more importantly, they were shown to have sufficient sensitivities to access pharmacokinetic data on different models. Because of unique advantages, such as simplified sample preparation methods, small sample amount required, high separation power, and speedy analysis, CE-based assays were found to gain popularity not only as a second method but also as a major method for many pharmacokinetic studies.
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Affiliation(s)
- Wang-Chou Sung
- Department of Chemistry, National Cheng Kung University, Tainan, Taiwan
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Petsch M, Mayer-Helm BX, Sauermann R, Joukhadar C, Kenndler E. Determination of fosfomycin in pus by capillary zone electrophoresis. J Chromatogr A 2005; 1081:55-9. [PMID: 16013598 DOI: 10.1016/j.chroma.2005.01.085] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A method is described for the determination of fosfomycin in pus by capillary zone electrophoresis with reversed electroosmotic flow, and indirect UV absorbance detection. Sample pre-treatment is limited to removal of proteins and cell debris by adding the double volume of methanol, followed by vortexing for few seconds, and centrifugation at 15,000 x g for 2 min. The supernatant is directly injected into the instrument. Fosfomycin is separated from sample constituents with a background electrolyte at pH 7.25 (25 mM benzoate buffer with 0.5 mM hexadecyltrimethylammonium bromide added, adjusted to pH with tris(hydroxymethyl)-aminomethane (TRIS)). Separation is carried out in a capillary with 50 microm I.D., 64.5 cm total length, 56.0 cm to the detector, at 25 degrees C with -25 kV voltage applied. Due to the low absorbance of the analyte, indirect UV detection was performed at 254 nm using a bubble cell capillary. Sample was injected by pressure (450 mbar s). Repeatability for fosfomycin in spiked pus (from 8 or 10 consecutive injections of three different series at concentrations of 100 microg/mL of the antibiotic) was between 2.4 and 8.2% relative standard deviation (RSD). Accuracy (expressed as recovery of fosfomycin determined by three independent analysis at 10, 100 and 300 microg/mL fosfomycin added to plain pus) was between 75 and 102%. Intermediate reproducibility (n = 9 at three different days) was between 2 and 12% RSD. Limit of detection and limit of quantitation were 4.5 and 15 microg/mL, respectively. The concentration of fosfomycin in pus of patients treated with the antibiotic ranged up to 240 microg/mL. The concentration of other anionic pus constituents identified beside chloride (acetate, succinate, lactate, phosphate) ranged between 20 and 7800 microg/mL.
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Affiliation(s)
- Martina Petsch
- Institute of Analytical Chemistry, University of Vienna, Währinger Strasse 38, A-1090 Vienna, Austria
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