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机构地区:[1]中国医科大学附属第一医院药剂科,沈阳110001 [2]中国医科大学临床医学系
出 处:《天津医药》2008年第10期765-767,共3页Tianjin Medical Journal
基 金:辽宁“省十一五”教育科学规划立项课题(项目编号:46-25)
摘 要:目的:探讨甲壳胺对盐酸莫雷西嗪片剂药代动力学和生物利用度的影响。方法:采用高效液相色谱法研究18例健康志愿者随机单剂量口服200mg以甲壳胺为片剂辅料的盐酸莫雷西嗪片剂和市售盐酸莫雷西嗪片后,药物在体内的经时过程并计算药代动力学参数。结果:以甲壳胺为片剂辅料的盐酸莫雷西嗪片剂和市售盐酸莫雷西嗪片的Cmax分别为(2.369±0.173)和(1.507±0.174)mg/L;Tmax分别为(1.417±0.192)和(1.533±0.243)h;t1/2分别为(2.671±0.677)和(2.653±0.625)h;AUC0-t分别为(9.781±0.995)和(6.130±0.918)μg·h-1·mL-1;AUC0-∞分别为(10.391±1.947)和(7.210±1.604)μg·h-·1mL-1。其中Cmax及AUC差异有统计学意义(均P<0.05),其他指标差异无统计学意义(P>0.05)。其相对生物利用度为159.6%。结论:甲壳胺可显著提高盐酸莫雷西嗪片的生物利用度,明显改善药物的吸收。Objective: To determine the effects of chitin on pharmacokinetics and bioavailability of moricizine hydrochloride tablet. Methods: By a random cross-over arrangement, 18 healthy volunteers received a single dose of 200 mg either moricizine hydrochloride tablet with chitin or moricizine hydrochloride tablet bought frmn a drug strore, moricizine hydrochloride in human plasma was detected by HPLC, and the pharmacokinetics parameters were calculated. Results: Cmax were ( 2.369±0.173 ) and ( 1.507±0.174 ) mg/L, Tamx were ( 1.417±0.192 ) and ( 1.533±0.243 ) h, t1/2 were ( 2.671±0.677 ) and (2.653±0.625) h, AUC0-t were (9.781±0.995) and (6.130±0.918) μg·h^-1·mL^-1, and AUC0-∞ were (10.391±1.947) and (7.210±1.604) μg·h^-1·mL^-1 respectively. The relative bioavailability was 159.6%. Conclusion: Chitin can significantly raise moficizine hydrochloride bioavailability and improve the absorption of moricizine hydrochloride in gastrointestinal tract.
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