检验医学 ›› 2023, Vol. 38 ›› Issue (3): 215-222.DOI: 10.3969/j.issn.1673-8640.2023.03.003

• 论著 • 上一篇    下一篇

全血免疫抑制剂ID-LC-MS/MS候选参考方法的建立和性能评价

杨晓东1, 李全乐1, 潘清清1, 周静1, 谢阳敏1, 邹继华1(), 沈敏1(), 张曼2   

  1. 1.美康生物科技股份有限公司参考实验室,浙江 宁波 315104
    2. 首都医科大学附属北京世纪坛医院检验科,北京 100038
  • 收稿日期:2022-01-18 修回日期:2022-12-07 出版日期:2023-03-28 发布日期:2023-05-24
  • 通讯作者: 邹继华,沈敏
  • 作者简介:邹继华,E-mail:jihua.zou@nbmedicalsystem.com
    杨晓东,男,1989年生,硕士,工程师,主要从事体外诊断试剂量值溯源和研发工作。
  • 基金资助:
    国家重点研发计划(2019YFF0216504);宁波市重大科技攻关项目(2021Z055)

Establishment and performance evaluation of candidate reference measurement procedure for the determination of immunosuppressive drugs in human whole blood by ID-LC-MS/MS

YANG Xiaodong1, LI Quanle1, PAN Qingqing1, ZHOU Jing1, XIE Yangmin1, ZOU Jihua1(), SHEN Min1(), ZHANG Man2   

  1. 1. Reference Laboratory,MedicalSystem Biotechnology Co.,Ltd.,Ningbo 315104,Zhejiang,China
    2. Department of Clinical Laboratory,Beijing Shijitan Hospital,Capital Medical University,Beijing 100038,China
  • Received:2022-01-18 Revised:2022-12-07 Online:2023-03-28 Published:2023-05-24
  • Contact: ZOU Jihua,SHEN Min

摘要:

目的 建立同位素稀释液相色谱串联质谱(ID-LC-MS/MS)检测全血免疫抑制剂(他克莫司、西罗莫司、依维莫司和环孢素A)的候选参考方法,并评价其性能。方法 采用蛋白沉淀法(PPT)对全血样本进行前处理,采用ID-LC-MS/MS定量检测他克莫司、西罗莫司、依维莫司和环孢素A。对建立的候选参考方法的分析性能(线性、定量限、基质效应、精密度和正确度等)进行评估。结果 ID-LC-MS/MS检测他克莫司、西罗莫司、依维莫司和环孢素A的总检测时间为4.5 min;环孢素A的线性范围为10~500 ng/mL,定量限为10 ng/mL;他克莫司、西罗莫司和依维莫司的线性范围均为1~50 ng/mL,定量限均为1 ng/mL。4种免疫抑制剂的相对基质效应范围均≤8.64%,批内、批间变异系数(CV)均≤5%,加标回收率为98.84%~100.99%。他克莫司的扩展测量不确定度≤7.91%(k=2)、西罗莫司≤7.97%(k=2),依维莫司≤7.14%(k=2),环孢素A≤7.91%(k=2)。结论 成功建立了ID-LC-MS/MS检测全血他克莫司、西罗莫司、依维莫司和环孢素A的候选参考方法,可用于相关项目的量值溯源和标准化。

关键词: 免疫抑制剂, 同位素稀释液相色谱串联质谱, 参考方法, 性能评估

Abstract:

Objective To establish a candidate reference measurement procedure for immunosuppressive drugs(tacrolimus,sirolimus,everolimus and cyclosporine A) in human whole blood by isotope-dilution liquid chromatography-tandem mass spectrometry(ID-LC-MS/MS),and to evaluate its analytical performance. Methods Human whole blood samples were prepared by a simple protein precipitation method,and ID-LC-MS/MS was used to determine tacrolimus,sirolimus,everolimus and cyclosporine A quantitatively. The performance,including linearity,limit of quantitation,relative matrix effect,precision and trueness,were evaluated. Results ID-LC-MS/MS allowed the determination of the 4 immunosuppressive drugs within a total runtime of 4.5 min. ID-LC-MS/MS allowed the determination of cyclosporine A in the range of 10-500 ng/mL. Tacrolimus,sirolimus and everolimus were analyzed in the range of 1-50 ng/mL. The limit of quantitation was 10 ng/mL for cyclosporine A and 1 ng/mL for the others. The relative matrix effects were ≤8.64%. The precisions for intra-day and inter-day coefficients of variation(CV) were ≤5%. The average recovery rates were found to be 98.84%-100.99% for the 4 immunosuppressive drugs. Expanded measurement uncertainties were found to be ≤7.91 % for tacrolimus(k=2),≤7.97 % for sirolimus(k=2),≤7.14 % for everolimus(k=2) and ≤7.91 % for cyclosporine A(k=2). Conclusions The candidate reference measurement procedure for tacrolimus,sirolimus,everolimus and cyclosporine A in human whole blood by ID-LC-MS/MS has been established successfully,which can be used in value traceability and standardization.

Key words: Immunosuppressive drug, Isotope-dilution liquid chromatography-tandem mass spectrometry, Reference measurement procedure, Performance evaluation

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