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CLIN CHEM LAB MED:高效液相色谱-串联质谱法同时测定人全血中羟氯喹及其代谢物?

2020-11-30 MedSci原创 MedSci原创

羟基氯喹(HCQ)是一种抗疟疾和免疫调节药物,据报道可在体外抑制冠状病毒SARS-CoV-2。目前,没有足够的临床试验证据来确定HCQ作为COVID-19的安全性和有效性。

羟基氯喹(HCQ)是一种抗疟疾和免疫调节药物,据报道可在体外抑制冠状病毒SARS-CoV-2。目前,没有足够的临床试验证据来确定HCQ作为COVID-19的安全性和有效性。但是,自2020年3月世界卫生组织宣布COVID-19成为大流行以来,美国食品和药物管理局发布了紧急使用授权,以允许将HCQ和氯喹(CQ)分发并用于某些住院的COVID-19和世界各地正在进行许多临床试验,包括有1000多名志愿者参与的英国RECOVERY试验。本研究描述了液相色谱串联质谱法(LC-MS / MS)用于同时测定全血中HCQ及其两种主要代谢产物去乙基氯喹(DCQ)和二去乙基氯喹(DDCQ)的有效性。

 

研究中血样用乙腈脱蛋白。HCQ、DCQ和DDCQ用梯度洗脱联苯柱色谱分离,流速为500流L/min。分析时间为8分钟。

在50-2000μg/ L的浓度范围内获得的每种分析物的线性校准曲线,定量下限(LLOQ)为13μg/ L,25℃时测定间相对标准偏差(RSD)<10%, HCQ,d4-HCQ,DCQ和DDCQ分别为800和1750μg/ L,平均回收率分别为80%,81%,78%和62%。

研究结果表明,该方法分析性能良好,适用于HCQ的治疗性监测,评价HCQ在COVID-19患者体内的药代动力学,支持临床试验。

原始出处:

Donna AustinCatharine JohnValidation of a liquid chromatography tandem mass spectrometry method for the simultaneous determination of hydroxychloroquine and metabolites in human whole blood

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    2021-05-30 丁鹏鹏
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    2020-12-02 jeanqiuqiu
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