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FENG Dong, SUN Jianguo, ZHU Yinci, PENG Ying, QI Huanhuan, ZHANG Fengyi, WANG Guangji. Pharmacokinetics of a novel antihypertension candidate ATPT in Beagle dogs[J]. Journal of China Pharmaceutical University, 2013, 44(2): 151-155. DOI: 10.11665/j.issn.1000-5048.20130210
Citation: FENG Dong, SUN Jianguo, ZHU Yinci, PENG Ying, QI Huanhuan, ZHANG Fengyi, WANG Guangji. Pharmacokinetics of a novel antihypertension candidate ATPT in Beagle dogs[J]. Journal of China Pharmaceutical University, 2013, 44(2): 151-155. DOI: 10.11665/j.issn.1000-5048.20130210

Pharmacokinetics of a novel antihypertension candidate ATPT in Beagle dogs

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  • An LC-MS/MS method was used for the evaluation of a novel antihypertension candidate pharmacokinetics of ATPT in Beagle dogs.After ig administration of 7.5,15 and 30 mg/kg ATPT,the determined tmax and t1/2 of ATPT in dogs were 0.7-1.0 h and 3.5-4.3 h,respectively.While the areas under the curve (AUC0-∞) were (5 465.9±1 748.7),(7 846.2±3 547.4) and (15 490.9±8 292.4) ng ·h/mL at three doses,respectively.Good linearity was observed between cmax/AUC0-∞ and dose (R2>0.98 ) after a single ig administration of 7.5,15 and 30 mg/kg in dogs.After adjustment of dose,the absolute bioavailabilities of ATPT in dogs were 39.7%,28.5% and 28.1%,respectively.It presented a linear pharmacokinetics for ATPT in Beagle dogs within the dose range of the study.
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