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中国临床药理学与治疗学 ›› 2012, Vol. 17 ›› Issue (5): 549-553.

• 临床药理学 • 上一篇    下一篇

HPLC-MS/MS法测定雷诺嗪血药浓度及其缓释制剂的药代动力学研究

谭亲友1,2, 朱荣华1, 李焕德1, 张啟智1,2, 方平飞1, 颜苗1, 彭文兴1   

  1. 1中南大学湘雅二医院临床药学教研室,长沙 410011,湖南;
    2中南大学药学院,长沙 410013,湖南
  • 收稿日期:2011-12-15 修回日期:2012-04-03 出版日期:2012-05-26 发布日期:2012-05-28
  • 通讯作者: 李焕德,男,教授,博士生导师,主要从事体内药物分析与临床药物动力学研究。Tel: 0731-84436720 E-mail: tqy1013@163.com
  • 作者简介:谭亲友,男,博士研究生,主管药师,主要从事体内药物分析与临床药物动力学研究。Tel: 13574124058 E-mail: dongkou@126.com

Quantification of Ranolazine in human plasma using HPLC-MS/MS for pharmacokinetic study of its sustained-release preparation

TAN Qin-you1,2, ZHU Rong-hua1, LI Huan-de1, ZHANG Qi-zhi1,2, FANG Ping-fei1, YAN Miao1, PENG Wen-xing1   

  1. 1The Clinical Pharmacy & Pharmacology Research Institute, Second Xiangya Hospital, Central South University, Changsha 410011,Hunan,China;
    2Pharmaceutical Science of Centre South University, Changsha 410013,Hunan,China
  • Received:2011-12-15 Revised:2012-04-03 Online:2012-05-26 Published:2012-05-28

摘要: 目的:通过方法学的建立和确认,进行了单次给药雷诺嗪缓释片后的药动学研究,为该药临床研究及合理用药提供依据。方法: 12名健康受试者,男女各半,采用三周期、3交叉(3×3)拉丁方设计,实验分别单剂量给500、1000、1500 mg 雷诺嗪缓释片。分别于给药前(0 h)和给药后 0.5、1.0、2.0、2.5、3.0、3.5、4.0、5.0、6.0、8.0、10.0、12.0、16.0、24.0、36.0、48.0 h 采集静脉血 4 mL。采用LC-MS/MS法测定血浆样品中雷诺嗪的浓度,并计算主要的药动学参数。结果: 单剂量给药500、1000、1500 mg 雷诺嗪缓释片后Cmax分别为(742±253)、(1355±502)和(2329±890) ng/mL;AUC0-48分别为(9072±3400)、(16574±6806)和(29324±10857)ng·mL-1·h;AUC0-∞ 分别为(9827±3152)、(16882±6791) 和(29924±10706) ng·mL-1·h;tmax分别为(5.3±1.4),(4.2±1.2)和(5.9±2.8) h;t1/2分别为(6.4±3.3),(6.4±3.5)和(6.7±4.3) h。结论:在本次实验中,Cmax 和AUC 与剂量成比例增加,单次给药3个剂量有很好的线性关系,所有受试者都有较好的耐受性。

关键词: 雷诺嗪, 药代动力学, 液相色谱-串联质谱

Abstract: AIM: The LC-MS/MS method was developed and validated,and assessed the pharmacokinetic properties after a single dose of 500, 1000, or 1500 mg of ranolazine in healthy Chinese volunteers.METHODS: Twelve Chinese subjects (6 men, 6 women) were enrolled in the single-dose phase of the PK study. The study were assigned to open-label, randomized-sequence, 3×3 latin square design which consisted of three 1-day treatment periods and two 7-day washout periods.Volunteers were randomly allocated to receive a single dose of 500, 1000, or 1500 mg of ranolazine (sustained-release tablets), sequential blood samples (4 mL each) were collected into heparin tubes at 0 hour (before administration) and 0.5, 1.0, 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, 8.0, 10.0, 12.0, 16.0, 24.0, 36.0,and 48.0 hours after administration. The LC-MS/MS method was developed and validated.RESULTS:The main PK parameters for ranolazine after administration of a single oral dose of 500, 1000, and 1500 mg were as follows: Cmax were (742±253), (1355±502), and (2329±890) ng/mL, respectively; AUC0-48 were (9072±3400), (16574 ± 6806) , and (29324±10857) ng·mL-1·h,AUC0-∞ were (9827±3152),(16882±6791), and (29924±10706) ng·mL-1·h; tmax were (5.3±1.4), (4.2±1.2), and (5.9±2.8) hours; t1/2 were (6.4±3.3), (6.4±3.5), and (6.7±4.3) hours.CONCLUSION: In this group of healthy Chinese subjects, AUC and Cmax increased proportionally with the dose, the PK properties of ranolazine were linear after administration of single oral doses of 500 to 1500 mg.These dosages were generally well tolerated by all the subjects.

Key words: Ranolazine, Pharmacokinetics , LC-MS/MS

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