5-单硝酸异山梨酯对盐酸伊伐布雷定在比格犬体内的药动学影响  被引量:2

The Effect of Isosorbide-5-Mononitrate on Ivabradine Hydrochloride Pharmacokinetics in Beagles

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作  者:王现珍 姚景春 胡海勋 罗涟荣 吕圆圆 王洪臣 商庆节 

机构地区:[1]鲁南制药集团股份有限公司新药药理中心,山东临沂273400

出  处:《中国药学杂志》2014年第23期2108-2111,共4页Chinese Pharmaceutical Journal

摘  要:目的研究5-单硝酸异山梨酯对盐酸伊伐布雷定在比格犬体内的药动学影响。方法采用高效液相色谱法测定盐酸伊伐布雷定单独给药和联合5-单硝酸异山梨酯给药后不同时间比格犬体内盐酸伊伐布雷定的血药浓度,采用非房室模型计算盐酸伊伐布雷定药动学参数。结果盐酸伊伐布雷定单独给药与联合5-单硝酸异山梨酯给药,主要药动学参数分别为tmax(0.38±0.13)和(0.48±0.20)h,ρmax(2.27±0.70)和(1.96±0.45)mg·L-1,AUC0-t(2.60±0.67)和(3.39±1.66)mg·h·L-1,t1/2(0.831±0.244)和(0.691±0.246)h。联合5-单硝酸异山梨酯给药后,盐酸伊伐布雷定的生物利用度为单独给药的133%。结论 5-单硝酸异山梨酯与盐酸伊伐布雷定联合使用可提高盐酸伊伐布雷定的生物利用度。OBJECTIVE To study the effect of isosorbide-5-mononitrate(5-ISMN) on ivabradine hydrochloride pharmacokinetics in Beagles. METHODS The plasma concentrations of ivabradine hydrochloride were determined by HPLC after taking single or combined 5-ISMN in Beagles. The pharmacokinetic parameters of ivabradine hydrochloride were calculated by the non-compartmental analysis. RESULTS The main pharmacokinetic parameters of ivabradine hydrochloride after the single and combination administration weret (0.38±0.13) and (0.48±0.20) h, ρmax(2.27 ±0.70) and (1.96 ±0.45) mg · L^-1, AUCo-4(2.60 ±0.67) and (3.39 ± 1.66)mg · h · L^-1 , t1/2(0. 831 ±0. 244) and (0. 691 ±0. 246) h. Compared with single drug administration, the relative bioavailability of ivabradine hydrochloride administered with 5-ISMN was 133%. CONCLUSION 5-ISMN can increase the bioavailability of ivabradine hydrochloride after administrated together.

关 键 词:盐酸伊伐布雷定 5-单硝酸异山梨酯 药动学 比格犬 

分 类 号:R969.1[医药卫生—药理学]

 

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