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Switch from Enfuvirtide to Raltegravir Lowers Plasma Concentrations of Darunavir and Tipranavir: a Pharmacokinetic Substudy of the EASIER-ANRS 138 Trial

机译:从Enfuvirtide切换至Raltegravir可降低Darunavir和Tipranavir的血浆浓度:EASIER-ANRS 138试验的药代动力学子研究

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摘要

We compared tipranavir and darunavir concentrations measured at steady state in 20 human immunodeficiency virus (HIV)-infected patients enrolled in the EASIER-ANRS 138 clinical trial who switched from enfuvirtide to raltegravir while maintaining the same background regimen. The geometric mean ratios of the observed predose concentration (Ctrough), maximum concentration of drug observed in plasma (Cmax), and area under the plasma concentration-time curve (AUC) before (day 0) and after (week 24) the switch were 0.49, 0.76, and 0.67 and 0.82, 0.68, and 0.64 for tipranavir and darunavir, respectively. The virologic consequences of these drug interactions have yet to be determined.
机译:我们比较了在EASIER-ANRS 138临床试验中从20名接受人体免疫缺陷病毒(HIV)感染的患者中稳态测定的Tipranavir和darunavir浓度,这些患者从enfuvirtide改为raltegravir,同时维持相同的背景治疗方案。转换前(第0天)和转换后(第24周)观察到的给药前浓度(Ctrough),血浆中观察到的最大药物浓度(Cmax)和血浆浓度-时间曲线下面积(AUC)的几何平均比为替普那韦和达那那韦分别为0.49、0.76和0.67,以及0.82、0.68和0.64。这些药物相互作用的病毒学后果尚待确定。

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