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자료유형
학술저널
저자정보
Baek, In-Hwan (College of Pharmacy, Chungnam National University) Yun, Min-Hyuk (Biology and Clinical Pharmacology, Samyang Central R&D Center) Yun, Hwi-Yeol (College of Pharmacy, Chungnam National University) Kwon, Kwang-Il (College of Pharmacy, Chungnam National University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제31권 제6호
발행연도
2008.1
수록면
814 - 821 (8page)

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Pharmacokinetic-pharmacodynamic (PK/PD) analysis is useful study in clinical pharmacology, also PK/PD modeling is major tools for PK/PD analysis. In this study, we sought to characterize the relationship between the cardiovascular effects and plasma concentrations of the beta blocker drugs carvedilol and atenolol using PK/PD modeling in healthy humans. One group received oral doses of atenolol (50 mg) and the other group received oral doses of carvedilol (25 mg). Subsequently, blood samples were taken, and the effects of the drugs on blood pressure were determined. Plasma concentrations of drugs were measured by HPLC, and PK/PD modeling performed by applied biophase model, plasma drug concentrations were linked to the observed systolic blood pressure (SBP) and diastolic blood pressure (DBP) via an effect compartment. The model parameters were estimated using the ADAPT II program. In PK/PD analysis, it was observed the time delay between plasma concentration and effect and the time delay between SBP and DBP. The two time delays were properly explained by PD parameter "$K_{eo}$" in applied biophase model. As conclusion, the biophase PK/PD model described the relationship between the plasma concentrations of the drugs and the cardiovascular effects, including the time delay between systolic blood pressure and diastolic blood pressure.

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