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中国临床药理学与治疗学 ›› 2014, Vol. 19 ›› Issue (4): 424-429.

• 临床药理学 • 上一篇    下一篇

托伐普坦片在中国健康人群的人体药动学研究

夏志高1, 阳国平2, 刘世坤2, 谭鸿毅2, 王艳2, 万茜2, 杨柳2, 阳晓燕2, 杨双2, 裴奇2   

  1. 1中南大学药学院,长沙 410013,湖南;
    2中南大学湘雅三医院药学部,长沙 410013,湖南
  • 收稿日期:2013-11-17 修回日期:2014-04-11 出版日期:2014-04-26 发布日期:2020-07-24
  • 通讯作者: 裴奇,通信作者,男,主管药师,主要从事遗传药理学和定量药理学研究。Tel:0731-88618458 E-mail:peiqi1028@126.com
  • 作者简介:夏志高,男,主管药师,主要从事药物动力学研究。Tel:13544510626 E-mail:zhg_xia@126.com
  • 基金资助:
    国家自然科学基金(81302851,81373476,81301924);湖南省卫生厅科研基金课题(132013-028);重大疾病新药临床评价研究综合技术平台建设(2012ZX09303014-001)

Pharmacokinetics of tolvaptan tablets in healthy Chinese volunteers

XIA Zhi-gao1, YANG Guo-ping2, LIU Shi-kun2, TAN Hong-yi2, WANG Yan2, WAN Qian2, YANG Liu2, YANG Shuang2, YANG Xiao-yan2, PEI Qi2   

  1. 1School of Pharmaceutical Sciences, Central South University, Changsha 410013, Hunan, China;
    2Pharmacy Department, Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
  • Received:2013-11-17 Revised:2014-04-11 Online:2014-04-26 Published:2020-07-24

摘要: 目的: 研究托伐普坦片在中国健康志愿者中的单次和连续多次给药药动学特征。方法: 12例受试者(男女各半) 随机开放3×3拉丁方试验设计,研究单次给药药动学特征;另外12例受试者(男女各半)服用单一剂量,研究连续多次给药药动学特征。采用LC-MS/MS法测定血浆中托伐普坦的药物浓度。药动学参数采用WinNonlin软件中的非房室分析方法计算。结果: 单次口服(15 mg、30 mg、60 mg)托伐普坦片后,托伐普坦的主要药动学参数:Cmax为(129±37)、(250±105)、(418±166) μg/L,tmax为(2.30±0.48)、(2.30±0.89)、(2.45±0.60) h,AUClast为(758±217)、(1570±494)、(3360±1420) μg·h·L-1,AUCinf为(768±215)、(1590±490)、(3400±1410) μg·h·L-1,t1/2为(7.08±3.78)、(6.77±1.60)、(7.02±1.89) h。连续多次给药 30 mg 后托伐普坦的主要药动学参数:Cmax为(254±90) μg/L,tmax为(2.63±1.25) h,AUClast为(1760±709) μg·h·L-1,AUCinf为(1790±711) μg·h·L-1,t1/2为(6.92±2.58) h。蓄积比为 1.13±0.11。结论: 单次15~60 mg 给药后,托伐普坦的体内暴露符合剂量线性特征;连续多次 30 mg 给药达稳态后,托伐普坦在体内基本无蓄积。

关键词: 托伐普坦, 高效液相色谱-串联质谱法, 药动学

Abstract: AIM: To investigate the pharmacokinetics of Tolvaptan tablets at single doses and multiple doses in healthy Chinese volunteers. METHODS: A single oral doses of tolvaptan tablets (15,30,60 mg) were given to 12 healthy volunteers (half male and half female) according to an open, random 3×3 latin design. Another 12 healthy volunteers (half male and half female) received multiple doses. The concentrations of tolvaptan in plasma were determined by liquid chromatography/tandem mass spectrometry (LC-MS/MS) and the pharmacokinetic parameters were calculated using NCA method of WinNonlin program. RESULTS: The main pharmacokinetic parameters of tolvaptan after single doses (15,30,60 mg) were as follows: Cmax were (129±36.6), (250±105), and (418±166) μg/L,tmax were (2.30±0.48), (2.30±0.89), and (2.45±0.60) h,AUClast were (758±217), (1570±494), and (3360±1420) μg·h·L-1,AUCinf were (768±215), (1590 ± 490), and (3400±1410) μg·h·L-1,t1/2 were (7.08±3.78), (6.77±1.60), and (7.02±1.89) h. The parameters of tolvaptan after multiple doses(30 mg) were as follows: Cmax was (254±90) μg/L,tmax was (2.63±1.25) h,AUClast was (1760±709) μg·h·L-1,AUCinf was (1790±711) μg·h·L-1,t1/2 was (6.92±2.58) h. CONCLUSION: Over the single dose range of 15-60 mg, the exposure measured as AUC and Cmax were found to be proportional with dosage. After 30 mg multiple doses administration, tolvaptan showed no accumulation at steady status.

Key words: tolvaptan, HPLC-MS/MS, pharmacokinetics

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