弗洛塞米德和血清蛋白结合尿素毒素度在患有CKD的患者
Margaux Costes-Albrespic1, Natalia Alencar de Pinho1, Islam Amine Larabi2,3
1Clinical Epidemiology Team, Centre for Research in Epidemiology and Population Health (CESP), Inserm U1018, Paris-Saclay University, Versailles Saint-Quentin University, Villejuif, France.
Kidney international reports
|July 18, 2025
概括
处方富罗塞米德,特别是高剂量 (>120毫克),与慢性脏病患者有害尿素毒素水平的增加有关. 这表明药物毒素竞争可能会加剧CKD中毒素的积累.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 药理学 药理学是指药理学的学科.
- 毒理学 毒理学 毒理学
背景情况:
- 罗塞米德是慢性病 (CKD) 患者常见的利尿剂.
- 罗西米德可能会通过有机离子载体 (OAT1和OAT3) 阻碍蛋白质结合尿素毒素 (PBUTs) 的分泌.
- 尿素毒素 (UTs) 的积累是CKD进展的标志.
研究的目的:
- 在CKD患者中,研究furosemide使用与自由OAT1/3抑制尿素毒素的血清度之间的关联.
- 为了检查furosemide剂量对这些毒素水平的影响.
主要方法:
- 从CKD-REIN队列中对2342名CKD患者 (2-5阶段) 的分析.
- 测量了特定UT的血清度 (二氧化硫酸,金氨酸,p-二氧化硫酸,英多尔-3-酸) 使用液体染色学-并联质谱法.
- 采用多种线性回归模型来评估furosemide处方 (状态和剂量) 与自由UT度之间的关系.
主要成果:
- 富洛塞米德使用者 (34%) 年龄较大,具有较低的eGFR,较高的CRP,更多的并发症和更多的药物.
- 与非使用者相比,服用120毫克以上的富洛塞米德的患者显示出总自由尿道度 (+19.1%) 和个体毒素 (IS +31.9%,Kyn +9.3%,PCS +29.3%,IAA +162.9%) 的血清度显著更高.
- 观察到一个剂量依赖的关系,在80-100毫克的富罗塞米德之间,尿道的急剧增加,然后是平原.
结论:
- 罗塞米德的使用,特别是大于120毫克的剂量,独立地与CKD患者的血清自由PBUT度升高有关.
- 这些发现表明,福罗塞米德和UT之间的OAT1/3载体竞争有助于UT积累.
- 这项研究突出了一个潜在的机制,用于增加尿素毒素负担在CKD患者治疗罗西米德.
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