体积微样品中六种抗生素的生物分析:一种用于危重儿童精确给药的新工具。

IF 1.9 4区医学 Q3 BIOCHEMICAL RESEARCH METHODS Bioanalysis Pub Date : 2024-01-01 Epub Date: 2023-11-22 DOI:10.4155/bio-2023-0171

John Takyi-Williams, Abbie D Leino, Ruiting Li, Kevin J Downes, Athena F Zuppa, Amanda Bwint, Bo Wen, Duxin Sun, Marc H Scheetz, Manjunath P Pai

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引用次数: 0

摘要

背景:体积吸收微样品(VAMS)可以支持药代动力学/药效学研究。我们介绍了同时定量氨苄西林、头孢吡肟、头孢曲松、美罗培南、哌拉西林、他唑巴坦和万古霉素的生物分析方法的发展。方法与结果:确定了最佳提取、色谱和质谱条件。最大提取回收率为复水合用水100 μl，蛋白质沉淀用甲醇100 μl。色谱分离使用Phenomenex Kinetex™Polar C18色谱柱，流动相为水/乙腈和甲酸，并经过充分验证。仅万古霉素对红细胞压积有影响。样品在-80℃下稳定90天，除美罗培南稳定60天外。结论:单一VAMS样品可检测多种抗生素，便于药代动力学/药效学研究。

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Bioanalysis of six antibiotics from volumetric microsamples: a new tool for precision dosing in critically ill children.

Background: Volumetric absorptive microsamples (VAMS) can support pharmacokinetic / pharmacodynamic studies. We present the bioanalytical method development for the simultaneous quantification of ampicillin, cefepime, ceftriaxone, meropenem, piperacillin, tazobactam, and vancomycin from VAMS. Methods & results: Optimal extraction, chromatographic, and mass spectrometry conditions were identified. Maximum extraction recoveries included 100 μl of water for rehydration and methanol for protein precipitation. Chromatographic separation used Phenomenex Kinetex^™ Polar C18 column with a mobile phase comprising water/acetonitrile with formic acid and was fully validated. Hematocrit effects were only observed for vancomycin. Samples were stable for 90 days at -80°C except for meropenem, which was stable for 60 days. Conclusion: Multiple antibiotics can be assayed from a single VAMS sample to facilitate pharmacokinetic/pharmacodynamic studies.

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来源期刊

Bioanalysis BIOCHEMICAL RESEARCH METHODS-CHEMISTRY, ANALYTICAL

CiteScore

3.30

自引率

16.70%

发文量

审稿时长

2 months

期刊介绍： Reliable data obtained from selective, sensitive and reproducible analysis of xenobiotics and biotics in biological samples is a fundamental and crucial part of every successful drug development program. The same principles can also apply to many other areas of research such as forensic science, toxicology and sports doping testing. The bioanalytical field incorporates sophisticated techniques linking sample preparation and advanced separations with MS and NMR detection systems, automation and robotics. Standards set by regulatory bodies regarding method development and validation increasingly define the boundaries between speed and quality. Bioanalysis is a progressive discipline for which the future holds many exciting opportunities to further reduce sample volumes, analysis cost and environmental impact, as well as to improve sensitivity, specificity, accuracy, efficiency, assay throughput, data quality, data handling and processing. The journal Bioanalysis focuses on the techniques and methods used for the detection or quantitative study of analytes in human or animal biological samples. Bioanalysis encourages the submission of articles describing forward-looking applications, including biosensors, microfluidics, miniaturized analytical devices, and new hyphenated and multi-dimensional techniques. Bioanalysis delivers essential information in concise, at-a-glance article formats. Key advances in the field are reported and analyzed by international experts, providing an authoritative but accessible forum for the modern bioanalyst.