盐酸曲马多泡腾颗粒的人体生物等效性研究  

Bioequivalence of Tramadol Hydrochloride Effervescent Granules in Healthy Volunteers

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作  者:于洋[1] 王娜[1] 万里 胡玉钦[1] 侯艳宁[1] 

机构地区:[1]白求恩国际和平医院临床药理室,河北省石家庄市050082 [2]解放军第二六零医院药剂科

出  处:《医学理论与实践》2007年第1期4-6,共3页The Journal of Medical Theory and Practice

摘  要:目的:研究两种盐酸曲马多制剂的人体相对生物利用度,评价其生物等效性。方法:18名健康男性志愿者按照两制剂两周期的随机交叉试验设计,分别单剂量口服参比制剂(盐酸曲马多片)和受试制剂(盐酸曲马多泡腾颗粒),剂量均为100mg,采用液相色谱-荧光检测法测定人血清中曲马多的浓度,用DAS软件计算各药代动力学参数并进行生物等效性统计分析。结果:参比制剂和受试制剂的主要药动学参数:Cmax分别为(353±84)ng/ml和(365±67)ng/ml;tmax分别为(1.8±0.7)h和(2.0±0.4)h;AUC0-36h分别为(2975±829)ng·ml^-1·h^-1和(3362±1145)ng·ml^-1·h^-1;AUC0-∞分别为(3217∞926)ng·ml^-1·h^-1和(3709±1298)ng·ml^-1·h^-1;t1/2分别为(7.2±1.9)h和(7.6±1.6)h。两制剂的Cmax、tmax、AUC0-36h和AUC0-∞均无显著性差异,双单侧t检验结果表明受试制剂Cmax的90%置信区间落在在参比制剂的70%~143%范围内,受试制剂AUC的90%置信区间均落在在参比制剂的80%~125%范围内,受试制剂的相对生物利用度为(113.1±23.2)%。结论:两制剂具有生物等效性。Objective: To evaluate the bioequivalence of two kinds of tramadol preparations in healthy male volunteers. Methods: In a randomized crossover design, 18 healthy male volunteers were given a single oral dose of 100 mg test tramadol hydrochloride effervescent granules of reference tablets. The concentrations of tramadol in human serum were determined by a HPLC-fluo method. Results: The main pharmacokinetic parameters of the reference and test tramadol preparationswere as follows: Cmax were (353±84) and(365±67)ng/ml, tmax were (1.8±0.7) and (2.0±0.4)h, AUC0-36h were(2975±829)and (3362±1145)ng·ml^-1·h^-1, AUC0-∞ were(3217±926)and(3709±1298)ng·ml-1·h-1, and t1/2 were(7.4±1.9) and(7.8±1.2) h, respectively. The relative bioavailability of the test tablet was (113.1±23.2)%. There was no significant difference in Cmax, tmax, AUC0-36h, and AUC0-∞ between the two preparations. The 90 % confidential interval of Cmax and AUC were in the range of 70%~143%, and 80 %~125 %, respectively, according to those of reference tablet. Conclusions: The two preparations are bioequivalent.

关 键 词:曲马多 泡腾颗粒剂 高效液相色谱法 生物等效性 

分 类 号:R969.4[医药卫生—药理学]

 

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