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Development and validation of a measurement procedure based on ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous measurement of β-lactam antibiotic concentration in human plasma.

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Title: Development and validation of a measurement procedure based on ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous measurement of β-lactam antibiotic concentration in human plasma.
Authors: Rigo-Bonnin, Raül1 raulr@bellvitgehospital.cat, Ribera, Alba2,3, Arbiol-Roca, Ariadna1, Cobo-Sacristán, Sara4, Padullés, Ariadna4, Murillo, Òscar2,3, Shaw, Evelyn2,3, Granada, Rosa5, Pérez-Fernández, Xosé L.5, Tubau, Fe6,7, Alía, Pedro1
Source: Clinica Chimica Acta. May2017, Vol. 468, p215-224. 10p.
Subjects: Beta lactam antibiotics, High performance liquid chromatography, Blood plasma, Drug monitoring, Ampicillin
Abstract: Background The administration of β-lactam antibiotics in continuous infusion could let optimize the pharmacokinetic/pharmacodynamic parameters, especially in the treatment of serious bacterial infections. In this context, and also due to variability in their plasmatic concentrations, therapeutic drug monitoring (TDM) may be useful to optimize dosing and, therefore, be useful for the clinicians. Material and methods We developed and validated a measurement procedure based on ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous measurement of amoxicillin, ampicillin, cloxacillin, piperacillin, cefepime, ceftazidime, cefuroxime, aztreonam and meropenem concentrations in plasma. The chromatographic separation was achieved using an Acquity®-UPLC® BEH™ (2.1 × 100 mm id, 1.7 μm) reverse-phase C 18 column, with a water/acetonitrile linear gradient containing 0.1% formic acid at a 0.4 mL/min flow rate. β-Lactam antibiotics and their internal standards were detected by electrospray ionization mass spectrometry in multiple reaction monitoring mode. Results Chromatography run time was 7.0 min and β-lactam antibiotics eluted at retention times ranging between 1.08 and 1.91 min. The lower limits of quantification were between 0.50 and 1.00 mg/L. Coefficients of variation and relative bias absolute values were < 13.3% and 14.7%, respectively. Recovery values ranged from 55.7% to 84.8%. Evaluation of the matrix effect showed ion enhancement for all antibiotics. No interferences or carry-over were observed. Conclusions Our measurement procedure could be applied to daily clinical laboratory practice to measure the concentration of β-lactam antibiotics in plasma, for instance in patients with bone and joint infections and critically ill patients. [ABSTRACT FROM AUTHOR]
Copyright of Clinica Chimica Acta is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Development and validation of a measurement procedure based on ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous measurement of β-lactam antibiotic concentration in human plasma.
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Clinica+Chimica+Acta%22&quot;&gt;Clinica Chimica Acta&lt;/searchLink&gt;. May2017, Vol. 468, p215-224. 10p.
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  Data: Background The administration of β-lactam antibiotics in continuous infusion could let optimize the pharmacokinetic/pharmacodynamic parameters, especially in the treatment of serious bacterial infections. In this context, and also due to variability in their plasmatic concentrations, therapeutic drug monitoring (TDM) may be useful to optimize dosing and, therefore, be useful for the clinicians. Material and methods We developed and validated a measurement procedure based on ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous measurement of amoxicillin, ampicillin, cloxacillin, piperacillin, cefepime, ceftazidime, cefuroxime, aztreonam and meropenem concentrations in plasma. The chromatographic separation was achieved using an Acquity&#174;-UPLC&#174; BEH™ (2.1 &#215; 100 mm id, 1.7 μm) reverse-phase C 18 column, with a water/acetonitrile linear gradient containing 0.1% formic acid at a 0.4 mL/min flow rate. β-Lactam antibiotics and their internal standards were detected by electrospray ionization mass spectrometry in multiple reaction monitoring mode. Results Chromatography run time was 7.0 min and β-lactam antibiotics eluted at retention times ranging between 1.08 and 1.91 min. The lower limits of quantification were between 0.50 and 1.00 mg/L. Coefficients of variation and relative bias absolute values were &lt; 13.3% and 14.7%, respectively. Recovery values ranged from 55.7% to 84.8%. Evaluation of the matrix effect showed ion enhancement for all antibiotics. No interferences or carry-over were observed. Conclusions Our measurement procedure could be applied to daily clinical laboratory practice to measure the concentration of β-lactam antibiotics in plasma, for instance in patients with bone and joint infections and critically ill patients. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Clinica Chimica Acta is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.cca.2017.03.009
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        Text: English
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        PageCount: 10
        StartPage: 215
    Subjects:
      – SubjectFull: Beta lactam antibiotics
        Type: general
      – SubjectFull: High performance liquid chromatography
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      – SubjectFull: Blood plasma
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