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注射用精氨酸酮洛芬Ⅰ期临床药代动力学研究

Phase I clinical research on pharmacokinetics of arginine ketoprofen injection
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摘要 目的考察健康受试者单次和连续肌肉注射精氨酸酮洛芬后的药代动力学特点,并观察安全性。方法采用3剂量组,开放、随机、平行的单中心设计,30名健康受试者分别接受单次肌肉注射50、100、200 mg的注射用精氨酸酮洛芬,10名健康受试者连续4 d,每天3次接受50 mg的注射用精氨酸酮洛芬后,用HPLC法测定血药浓度。结果单次肌肉注射注射用精氨酸酮洛芬50、100、200 mg后的主要药代动力学参数为AUC0-24分别为(11.796±1.713)mg·h·L-1、(21.507±4.805)mg·h·L-1和(51.802±13.537)mg·h·L-1,t1/2分别为(1.996±0.299)h、(3.630±1.117)h和(3.147±0.919)h,tmax分别为(0.525±0.171)h、(0.533±0.125)h和(0.750±0.167)h,ρmax分别为(6.151±1.378)mg·L-1、(9.961±2.549)mg·L-1和(20.284±4.865)mg·L-1。连续注射注射用精氨酸酮洛芬50 mg后的主要药代动力学参数为AUCss为(9.572±1.958)mg·h·L-1;AUC0-24为(9.984±2.067)mg·h·L-1,t1/2为(2.597±0.924)h,tmax为(0.417±0.088)h,ρmax为(4.994±1.252)mg·L-1,蓄积因子R为(1.143±0.132)。结论单次注射50、100、200 mg注射用精氨酸酮洛芬后,酮洛芬在体内符合线性动力学特征。多次注射50 mg注射用精氨酸酮洛芬后,酮洛芬在人体内几乎无蓄积。 Objective To observe the pharmacokinetic characteristics and the safety of arginine ketoprofen injection in healthy subjects,who were singly or successively intramuscular injected with arginine ketoprofen.Methods A three-doses,open,randomized,parallel and single center trials were adopted. Thirty. healthy subjects were singly injected with 50 mg,100 mg or 200 mg of arginine ketoprofen injection; the other 10 healthy subjects were injected with 50 mg of arginine ketoprofen injection,three times a day for 4 days.HPLC was used for testing the blood concentration. Results Main pharmacokinetic parameters( AUC0-24) after injected with 50 mg,100 mg or 200 mg of arginine ketoprofen injection were( 11. 796 ± 1. 713) mg·h·L^-1 ,(21. 507 ± 4. 805) mg·h·L^-1 and( 51. 802 ± 13. 537) mg·h·L^-1espectively; t1 /2were( 1. 996 ± 0. 299) h,and( 3. 630 ± 1. 117) h,( 3. 147 ± 0. 919) h,respectively; tmaxwere( 0. 525 ± 0. 171) h,( 0. 533 ± 0. 125) h and( 0. 750 ± 0. 167) h,respectively; ρmaxwere( 6. 151 ± 1. 378) mg·L^- 1,( 9. 961 ± 2. 549) mg·L^- 1and( 20. 284 ± 4. 865) mg·L- 1,respectively. Pharmacokineticsparameters( AUCss) after successively injected with 50 mg of arginine ketoprofen injection was( 9. 572 ± 1. 958) mg·h·L^-1,Pharmacokinetic parameters( AUC0-24) was( 9. 984 ± 2. 067) mg·h·L^-1;t1 /2was( 2. 597 ± 0. 924) h,tmaxwas( 0. 417 ± 0. 088) h,ρmaxwas( 4. 994 ± 1. 252) mg·L^- 1,accumulation factor R was( 1. 143 ± 0. 132). Conclusions The metabolism of ketoprofen shows linear phamacokinetics characteristics after singly injected with 50 mg,100 mg or 200 mg of arginine ketoprofen injection. No ketoprofen accumulation is observed in human body after successively injected with 50 mg of arginine ketoprofen injection.
出处 《沈阳药科大学学报》 CAS CSCD 北大核心 2015年第6期470-474,483,共6页 Journal of Shenyang Pharmaceutical University
基金 国家“十二五”重大新药创制项目:“中药新药临床评价研究技术平台”(2012ZX09303-017)
关键词 注射用精氨酸酮洛芬 药代动力学 HPLC arginine ketoprofen injection pharmacokinetics HPLC
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