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武汉市肺科医院药学部,武汉 430030
药师,硕士。研究方向:临床药学。E-mail:dqy1316506573@163.com
副主任药师,硕士。研究方向:临床药学。E-mail:42974497@qq.com
收稿日期:2022-05-31,
修回日期:2022-10-12,
纸质出版日期:2022-12-30
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丁巧燕,张欢,马丽华,等.德拉马尼血药浓度测定方法的建立及应用[J].中国药房,2022,33(24):3029-3033.
DING Qiaoyan,ZHANG Huan,MA Lihua,et al.Establishment and application of a method for the determination of plasma concentration of delamanid[J].ZHONGGUO YAOFANG,2022,33(24):3029-3033.
丁巧燕,张欢,马丽华,等.德拉马尼血药浓度测定方法的建立及应用[J].中国药房,2022,33(24):3029-3033. DOI: 10.6039/j.issn.1001-0408.2022.24.17.
DING Qiaoyan,ZHANG Huan,MA Lihua,et al.Establishment and application of a method for the determination of plasma concentration of delamanid[J].ZHONGGUO YAOFANG,2022,33(24):3029-3033. DOI: 10.6039/j.issn.1001-0408.2022.24.17.
目的
2
建立测定德拉马尼(DLM)血药浓度的方法并应用。
方法
2
血浆样品经甲醇沉淀蛋白后,采用超高效液相色谱-串联质谱(LC-MS/MS)法检测。色谱柱为Phenomenex Synergi
TM
Fusion-RP,流动相为甲醇-0.1%甲酸溶液(梯度洗脱),柱温为40 ℃,流速为0.3 mL/min,进样量为1 μL;离子源为电喷雾离子源,以多反应监测模式进行正离子扫描,用于定量分析的DLM离子对为
m/z
535.0→352.0。采用上述LC-MS/MS法测定6例耐多药结核病(MDR-TB)患者体内DLM的血药浓度。
结果
2
DLM检测质量浓度的线性范围为0.05~8 μg/mL(
r
=0.999 5),定量下限为0.05 μg/mL;日内、日间精密度RSD均小于10%,准确度为92.7%~104.9%,平均基质效应为94.3%~107.5%,平均萃取回收率为93.2%~98.1%。6例MDR-TB患者体内DLM的血药浓度为0.61~2.76 μg/mL,平均(1.67±0.74)μg/mL。
结论
2
所建LC-MS/MS法专属性好,灵敏度、准确度及精密度均高,可用于MDR-TB患者体内DLM血药浓度的检测。
OBJECTIVE
2
To establish and apply a method for the determination of plasma concentration of delamanid (DLM).
METHODS
2
After plasma samples were treated with methanol precipitation, LC-MS/MS was adopted to determine the plasma concentration of DLM. The chromatographic column was Phenomenex Synergi
TM
Fusion-RP with mobile phase of methanol-0.1% formic acid solution (gradient elution). The column temperature was 40 ℃, the flow rate was 0.3 mL/min, and the sample size was 1 μL. The ion source was electrospray ion source, and positive ion scanning was carried out in multi-reaction monitoring mode. The DLM ion pair used for quantitative analysis was
m
/
z
535.0→352.0. The plasma concentration of DLM in 6 multidrug resistant tuberculosis (MDR-TB) patients were determined by the LC-MS/MS method.
RESULTS
2
The linear range of DLM was 0.05-8 μg/mL (
r
=0.999 5), and the lowest limit of quantitation was 0.05 μg/mL. RSDs of intra-batch and inter-batch precision were all less than 10%. The accuracy ranged 92.7%-104.9%. Average matrix effect was 94.3%-107.5%. Average recoveries were 93.2%-98.1%. The plasma concentration of DLM in 6 MDR-TB patients ranged from 0.61-2.76 μg/mL, with an average of (1.67±0.74) μg/mL.
CONCLUSIONS
2
The established LC-MS/MS analysis method has good specificity, high sensitivity, accuracy and precision, and can be used to determine DLM plasma concentration in MDR-TB patients.
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