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复方对乙酰氨基酚维生素C分散片在健康人体药物动力学和相对生物利用度
引用本文:王兰欣,曹晓璐,徐诗强,严常开,尹旭明,胡霞敏.复方对乙酰氨基酚维生素C分散片在健康人体药物动力学和相对生物利用度[J].中国药师,2009,12(8):1020-1023.
作者姓名:王兰欣  曹晓璐  徐诗强  严常开  尹旭明  胡霞敏
作者单位:[1]武汉科技大学医学院药学系,武汉430065 [2]华中科技大学同济医学院国家药物临床试验机构,武汉430065
摘    要:目的:研究复方对乙酰氨基酚维生素C分散片在健康人体的药物动力学和相对生物利用度。方法:用随机分组自身对照方法,20名健康志愿者分别单次剂量服用复方对乙酰氨基酚维生素C分散片与参比制剂泡腾片,HPLC法检测对乙酰氨基酚和维生素C的血浓度,采用DAS1.0程序计算药物动力学参数并进行生物等效性评价。结果:分散片与泡腾片中,对乙酰氨基酚的AUC0→t分别为(39.74±9.76)和(39.83±6.76)mg·h·L^-1,AUC0→∞分别为(41.43±10.25)和(40.88±7.13)mg·h·L^-1;Cmax分别为(10.57±2.45)和(10.27±1.75)mg·L^-1;tmax分别为(0.52±0.34)和(0.75±0.51)h;维生素C的AUC0→t分别为(91.35±28.29)和(89.47±23.10)mg·h·L^-1,Cmax,分别为(7.71±1.80)和(7.53±2.15)mg·L^-1;tmax分别为(2.36±0.91)和(2.36±0.85)h;分散片平均相对生物利用度分别为(102.94±15.96)%(以对乙酰氨基酚计算)和(100.09±12.75)%(以维生素C计算)。结论:分散片和参比制剂具有生物等效性。

关 键 词:对乙酰氨基酚  维生素C  高效液相色谱法  药物动力学  相对生物利用度

Pharmacokinetics and Bioequivalence of Compound Paracetamol and Vitamin C Tablet in Healthy Volunteers
Institution:Wang Lanxin , Cao Xiaolu , Xu Siqiang ,Yan Changkai, Yin Xuming , Hu Xiamin( 1. Department of Pharmacy, Medical College, Wuhan University of Science and Technology, Wuhan 430065, China;2. Clinical Pharmaceutic Institute, Tongji Medical College, Huazhong University of Science and Technology)
Abstract:Objective : To study the pharmacokinetics and bioavailability of two formulations of compound paracetamol and vitamin C tablet. Method: A single oral dose of two formulations was given to 20 healthy volunteers in an open randomized cross-over study. Plasma level of paracetamol and vitamin C were determined by HPLC, the pharmacokinetic parameters were calculated and the bioequivalence of the two formulations was evaluated by DAS 1.0. Result : The pharmacokinetic parameters of paracetamol of the two formulations were as followed : AUC0→t were ( 39.74 ± 9.76 ) and ( 39.83 ± 6.76 ) mg · h · L ^- 1, AUC0→∞ were ( 41.43 ± 10.25 ) and (40.88±7.13)mg·h·L^-1,Cawere (10.57±2.45) and (10.27±1.75)mg· h· L^ -1 , tmax were ( 0. 52 ± 0. 34 ) and (0.75±0.51 ) h, respectively. The pharmacokinetic parameters of vitamin of the two formulaions were as followed: AUC0→t, were( 91.35 ± 28. 29)and (89.47 ±23.10)mg · h · L^-1 ,Cmax were(7.71 ± 1.80)and (7.53 ±2.15)mg · L^-1 ,tmax were (2.36 ±0.91 )and (2.36 ± 0.85 ) h,respectively, the relative bioavailability were ( 102.94 ± 15.96 ) % for paracetamol and ( 100.09± 12.75 ) % for vitamin C. Conclusion: The two formulations (test and reference) were bioequivalence.
Keywords:Paracetamol  Vitamin C  Pharmacokinetics  HPLC  Relative bioavailability
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