新型抗人巨细胞病毒药物莱特莫韦在肾损害患者中的药代动力学和安全性

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引用

Kropeit D, Scheuenpflug J, Erb-Zohar K, Halabi A, Stobernack HP, Hulskotte EGJ, van Schanke A, Zimmermann H, Rubsamen-Schaeff H

新型抗人巨细胞病毒药物莱特莫韦在肾损害患者中的药代动力学和安全性

中国临床药物学杂志,2017年9月;83(9):1944-1953。doi: 10.1111 / bcp.13292。Epub 2017 5月5日。

PubMed ID
28345163 (PubMed视图
摘要

目的:人巨细胞病毒仍然是免疫功能低下患者的一个重要问题,现有的病毒聚合酶靶向治疗与显著的毒性相关。因此,病毒终止酶复合物抑制剂letermovir正在开发中。我们评估了莱特莫替在肾损害中的药代动力学。方法:这是一项一期、开放标签、非随机试验。根据修改饮食肾病方程估计的肾小球滤过率被用于创建三组8名受试者:功能健康(估计肾小球滤过率>/= 90 ml min-1 1.73m-2)、中度(30-59 ml min-1 1.73m-2)和严重(<30 ml min-1 1.73m-2)损害。口服letermovir 120 mg,每日1次,连续8天,并采集血液进行药代动力学分析。结果:所有入选的24名受试者均完成了试验。中度和重度肾损害组与健康组相比,平均游离letermovr分数分别增加11%和26%。暴露量(AUCtau,ss和Css,max)随肾损害增加[总letermovir与健康受试者的最小二方平均比(90%置信区间),中度和重度损害的AUCtau,ss分别为192%(143-258%)和142% (83-243%);Css,最大值分别为125%(87-182%)和106%(75-151%)。 Clearance was decreased vs. healthy subjects. Correlation analyses indicated a correlation between decreasing renal function and increased unbound letermovir concentration (R2 = 0.5076, P < 0.0001). Correlations were identified between decreased clearance with both decreased renal function (R2 = 0.0662, P = 0.2249 and R2 = 0.1861, P = 0.0353 total and unbound clearance, respectively) and increased age (R2 = 0.3548, P = 0.0021 and R2 = 0.3166, P = 0.0042 total and unbound clearance, respectively). Multiple-dose letermovir 120 mg was well tolerated across groups. CONCLUSIONS: Renal impairment increased exposure to letermovir, although age was a confounding factor.

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