肝功能障碍对Trilaciclib药理动学的影响
Chao Li1, Richard A Preston2, Emily Dumas1
1G1 Therapeutics, Inc., Research Triangle Park, North Carolina, USA.
Journal of clinical pharmacology
|April 19, 2024
概括
在中度至重度肝功能障碍的患者中,trilaciclib的暴露增加. 建议对这些患者进行剂量降低,以确保安全性和有效性.
科学领域:
- 药理学和临床治疗学
- 瘤学 药物开发 药物开发
- 药物代谢和药理动力学
背景情况:
- 特里拉西克利布是一种已批准的循环素依赖性激酶4和6抑制剂,用于广泛的小细胞肺癌.
- 之前的研究表明,对于轻度肝功能障碍,没有调整剂量.
- 中度和重度肝功能障碍对特里拉西克利布药理动学的影响以前没有被确立.
研究的目的:
- 在中度至重度肝功能障碍患者中调查trilaciclib的药理动力学概况.
- 为了确定是否需要对中度至重度肝功能障碍的患者进行三基利布的剂量调整.
主要方法:
- 进行了一项开放标签,并行组研究.
- 参与者接受了单次100mg/m2的静脉注射剂量.
- 这些组包括中度 (Child-Pugh B) 和重度 (Child-Pugh C) 肝功能障碍的患者,并与健康对照匹配.
主要成果:
- 所有组中未结合的trilaciclib分数都相似.
- 与对照组相比,未结合的三基利布的暴露 (AUC) 在中度HI中大约高出40%,在严重HI中高出60%.
- 国家癌症研究所的分类也得出了类似的结果.
结论:
- 中度至重度的肝功能障碍显著增加了三西利布的暴露.
- 对于中度或重度肝功能障碍的患者,建议大约减少30%的剂量 (从240mg/m2降至170mg/m2).
- 这种剂量调整可能会优化Trilaciclib在患有肝功能障碍的患者的安全性和有效性.
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