基因多态性和药物相互作用决定了布隆纳塞林的代谢概况
Feng Ye1, Xinyue Li1, Jinhuan Ni1
1Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China.
The Journal of pharmacology and experimental therapeutics
|October 20, 2023
概括
细胞染色体P450 3A4 (CYP3A4) 基因变异显著改变了布洛南塞林代谢,其中一些减少了清除,另一个增加了清除. 尼莫迪平,费洛迪平和阿姆洛迪平抑制了布洛南塞林的新陈代谢,影响了其临床使用.
科学领域:
- 药理学 药理学是指药理学的学科.
- 遗传学 遗传学 是一个
- 药物新陈代谢 药物新陈代谢
背景情况:
- 布隆南塞林是一种抗精神病药物,其代谢受细胞染色体P450酶的影响.
- 了解CYP3A4基因多态和药物相互作用的影响对于优化布隆纳林治疗至关重要.
研究的目的:
- 为了研究各种CYP3A4基因多态化对布隆南塞林代谢的影响.
- 评估blonanserin与其他常用药物,特别是尼莫迪平,费洛迪平和阿姆洛迪平之间的潜在药物相互作用.
主要方法:
- 再组合的人类CYP3A4酶在微小酶反应系统中被利用.
- 在Sprague-Dawley大鼠中评估了药物相互作用.
- 超高性能液体染色学-并联质谱学 (UPLC-MS/MS) 用于量化布隆纳瑟林及其代谢物.
- 进行了酶动力学和抑制试验.
主要成果:
- 在不同的CYP3A4变体中观察到布隆纳林清除的显著变化;清除在CYP3A4.29中增加,但在许多其他变体中减少 (例如,CYP3A4.4,5,7-10,12-14,16-18,23-24,28,31,33,34).
- 尼莫迪平,费洛迪平和阿姆洛迪平被确定为布洛南塞林代谢的强效抑制剂,其强度因CYP3A4变异而异.
- 这些药物与布隆纳林的同时使用导致暴露增加 (AUC和Cmax),表明布隆纳林的排泄减少.
结论:
- 大多数CYP3A4变体的代谢能力有限.
- 尼莫迪平,费洛迪平和阿姆洛迪平通过混合类型的抑制显著抑制了布洛南塞林代谢,因此在同时使用时需要仔细考虑.
- 这些发现为临床实践中个性化博朗塞林剂量策略提供了科学基础.
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