伊布利特在中國(guó)健康受試者中的群體藥代動(dòng)力學(xué)和藥效學(xué)研究
[Abstract]:Aim to establish a population pharmacokinetic and pharmacodynamic model of ibutilide in healthy volunteers, and to study the dose-exposure-drug effect relationship and variation of ibutilide in healthy volunteers. Methods according to the design of single center, random, dose increasing trial, 40 healthy subjects were enrolled. 20 subjects were randomly divided into 3 groups: 5 渭 g kg~ (- 1) group (n = 4), 10 渭 g kg~ (- 1) group (n = 10) and 20 渭 g kg~ (- 1) group (n = 6). In stage 2, 20 subjects were randomly divided into three groups: 0.5 mg group (n = 6). In 0.75 mg group (n = 6) and 1.0 mg group (n = 8), the corresponding dose of ibutilide was intravenously injected intravenously in 10 min. The population pharmacokinetic and pharmacodynamic models were established and evaluated by using NONMEM 7.2 to establish and evaluate the population pharmacokinetic and pharmacodynamic models, which were collected from 13 plasma concentrations of ibutilide and 29 QT interval data from each participant. Results the pharmacokinetic model of Ibutilide was in agreement with the three compartment model of linear elimination, and the pharmacodynamics model was consistent with the Sigmoid E _ (max) model. The Sigmoid equation index (緯) and the maximum effect of QT interval of population pharmacodynamics parameters were 133.50% and 64.10% of the population pharmacodynamics parameters, respectively. The interindividual variations of E_ (max) were 133.50% and 64.10%, respectively. Conclusion the population pharmacokinetic and pharmacodynamic models of ibutilide in healthy subjects are stable and reliable. There is a significant individual difference in the efficacy of ibulide in the population. It is necessary to adjust the dosage of ibutilide in order to avoid the occurrence of adverse drug reactions as far as possible in order to avoid the occurrence of adverse drug reactions in the use of ibutilide in patients who are sensitized to ibutilide in order to avoid the occurrence of adverse drug reactions.
【作者單位】: 北京協(xié)和醫(yī)學(xué)院中國(guó)醫(yī)學(xué)科學(xué)院阜外醫(yī)院衛(wèi)生部心血管藥物臨床研究重點(diǎn)實(shí)驗(yàn)室;
【基金】:科學(xué)技術(shù)部國(guó)家科技重大專項(xiàng)基金資助項(xiàng)目(2012ZX09303008-001)
【分類號(hào)】:R969.1
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