An improved simple LC–MS/MS method for the measurement of serum aripiprazole and its major metabolite

化学 色谱法 阿立哌唑 选择性反应监测 三级四极质谱仪 串联质谱法 质谱法 分析物 背景(考古学) 代谢物 定量分析(化学) 液相色谱-质谱法 分析化学(期刊)
作者
Matteo Caloro,Luana Lionetto,Ilaria Cuomo,Alessio Simonetti,Daniela Pucci,Simone De Persis,Barbara Casolla,Giorgio D. Kotzalidis,Antonio Sciarretta,Sergio De Filippis,Maurizio Simmaco,Paolo Girardi
出处
期刊:Journal of Pharmaceutical and Biomedical Analysis [Elsevier BV]
卷期号:62: 135-139 被引量:25
标识
DOI:10.1016/j.jpba.2012.01.003
摘要

Abstract Background and objectives Current liquid chromatographic tandem mass spectrometry (LC–MS/MS) methods to measure serum levels of aripiprazole (Ar) and dehydroaripiprazole (DHAr) are sensitive, but difficult to use in a hospital context. We aimed to develop a rapid LC–MS/MS method allowing reliable level measurement in the presence of co-administered drugs, withdrawing samples from 22 patients with acute agitation receiving 9.75 mg aripiprazole IM injection. Method We developed a sensitive and selective HPLC–MS/MS method to measure serum Ar and DHAr levels in a hospital laboratory, requiring minimal sample preparation and inferior sample volume compared to previous LC–MS/MS methods. Analytes were separated on a reversed-phase HPLC (run-time, 10 min). A triple quadrupole tandem mass spectrometer was used for quantitative analysis in positive mode by a multiple reaction monitoring. Samples were drawn 2, 4, 6, and 24 h post-injection. Results Calibration curves (2–1000 ng/mL for Ar and 3.5–500 ng/mL for DHAr) were linear, with mean correlation coefficient >0.9998. Within- and between-day precision and accuracy were within 10%. Mean recovery was 95.2 ± 4.5% for Ar and 97.6 ± 7.2% for DHAr. Ar and DHAr peaks were not affected by other co-administered psychotropic drugs. Conclusion Our method measured Ar and DHAr concentrations reliably, simply and rapidly without employing many reagents, as currently existing methods.
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