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作 者:邓鸣[1,2] 李敬来[1] 乔建忠[1] 王晓英[1] 张小琼[1] 张振清[1]
机构地区:[1]军事医学科学院毒物药物研究所,北京100850 [2]解放军261医院药剂科,北京100094
出 处:《解放军药学学报》2012年第4期292-294,299,共4页Pharmaceutical Journal of Chinese People's Liberation Army
基 金:国家重大新药创制综合性大平台;No.2012ZX09301003-001-007
摘 要:目的研究5-HT1A受体激动和5-HT重摄取抑制双靶标新药YL-0919在比格犬体内多次给药的药代动力学。方法比格犬按1.5 mg.kg-1剂量灌胃给药,第1天和第5天各给药1次,第2~4天每天给药2次。采用LC-MS/MS法测定血浆中YL-0919浓度,用DAS 2.0软件计算药动学参数。结果首次和末次口服YL-0919(1.5 mg·kg-1)后,主要药代动力学参数为:Cmax分别为(287.73±106.50)和(220.07±58.90)ng·ml-1;tmax分别为(1.10±0.55)和(0.95±0.67)h;t1/2z分别为(3.28±0.85)和(3.02±1.20)h;MRT(0~24)分别为(4.16±0.59)和(3.81±1.22)h;AUC(0~24)分别为(1242.10±462.27)和(922.29±345.29)ng·h·ml-1;AUC(0~∞)分别为(1251.23±464.03)和(938.57±350.30)ng·h·ml-1;CLz/F分别为(1.41±0.74)和(1.95±1.23)L·h-1·kg-1;Vz/F分别为(6.43±2.79)和(7.11±1.90)L·kg-1。经配对t检验,多次给药达稳态后除AUC(0~24)和AUC(0~∞)降低外,其余药动学参数差异均无统计学意义。结论 YL-0919在比格犬体内多次给药后无明显蓄积作用。Objective To study the pharmacokinetics of YL-0919,a novel dual-acting antidepressant with 5-HT1A receptor agonist and serotonin reuptake inhibitor in beagle dogs after multiple-dose oral administration.Methods YL-0919 was given as a multiple oral dose of 1.5 mg · kg-1 once daily on day 1 and 5,and twice a day from day 2 to day 4 to five beagle dogs.The plasma concentration of YL-0919 was determined by LC-MS/MS.The main pharmacokinetic parameters were calculated by DAS 2.0 software.Results The main pharmacokinetic parameters after the first and last oral dose were as follows: Cmax were(287.73±106.50) and(220.07±58.90) ng · ml-1,tmax were(1.10±0.55) and(0.95±0.67) h,t1/2z were(3.28±0.85) and(3.02±1.20) h,MRT(0-24) were(4.16±0.59) and(3.81±1.22) h,AUC(0-24) were(1242.10±462.27) and(922.29±345.29) ng·h · ml-1,AUC(0-∞) were(1251.23±464.03) and(938.57±350.30) ng·h · ml-1,CLz/F were(1.41±0.74) and(1.95±1.23) L · h-1 · kg-1,Vz/F were(6.43±2.79) and(7.11±1.90) L · kg-1,respectively.There was no significant difference between the two groups of pharmacokinetic parameters except for AUC(0-24) and AUC(0-∞) analyzed by t-test.Conclusion There is no obvious accumulation after YL-0919 multiple-dose oral administration in beagle dogs.
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