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作 者:赵红光[1] 张一飞[1] 于景翠[1] 吴琳华[1]
机构地区:[1]哈尔滨医科大学附属第二医院药学部,黑龙江哈尔滨150086
出 处:《中国医院药学杂志》2006年第2期179-181,共3页Chinese Journal of Hospital Pharmacy
摘 要:目的:研究盐酸伪麻黄碱(d-peseudoephedrine hydrochloride)缓释片与普通片在正常人体内的药动学和相对生物利用度。方法:高效液相色谱法测定20名男性健康志愿者交叉po 60mg普通片和缓释片后的血药浓度,求算药动学参数并进行统计学评价。结果:单剂量po普通片和缓释片主要药动学参数Cmax分别为(317.9±99.6)μg·L^-1和(205.1±29.8)μg·L^-1;t1/2(Ke)分别为(3.9±0.5)h和(5.7±1.2)h;AUC0-24分别为(2386.8±246.1)h·μg·L^-1和(2310.9±171.9)h·μg·L^-1,相对生物利用度为(97.4±8.8)%。多剂量po普通片和缓释片Cmin分别为(126.6±18.2)μg·L^-1和(147.9±18.2)μg·L^-1;Cmax分别为(307.9±24.1)μg·L^-1和(275.2±26.8)μg·L^-1;FI分别为(0.79±0.22)和(0.58±0.14)。结论:两种制剂生物等效。OBJECTIVE To study the pharmacokintics and the relative bioavailability of d-peseudoephedrine hydroehloride sustained -release tablet and normal tablet. METHODS The d-peseudoephedrine hydroehloride in concentrations in plasma were assayed by HPLC method. A single oral dose of the ordinary tablet and the sustained - release tablet were given to 20 volunteers respectively in an open randomized cross - over test. 3P97 was used to process main pharmacokinetics parameters. RESULTS The pharmacokinetic parameters of daily dose were listed as following: Cmax(371.9 ±99.6 )μg·L^-1 and (205.1 ± 29.8 ) μg·L^-1 ; t1/2( Ke)( 3.9 ±0. 5 )h and (5.7 ±1.2)h;AUC0-24(2 386.8 ±246.1 )h·μg·L^-1 and AUC0-36 (2 310.9 ±171.9) h·μg·L^-1 ;The relative bioavailability of the sustained-release tablet was (97.4 ± 8.8 )%. The parameters of cumulative dose in body, Cmin of the ordinary tablet and the sus- tained-release tablet were (126.6 ±18.2) μg·L^-1 and (147.9 ±18.2) μg·L^-1 ;Cmax(307.9 ±24.1) μg·L^-1 ,(275.2 ±26.8) μg·L^-1,FI (0. 79 ±0.22 ) and (0.58 ±0.14 ). CONCLUSION The result of statistical analysis showed that the two fomulations are bioequivalent.
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