在健康成年人中对Etrasimod进行心血管评估,这是一种选择性神素1-酸盐受体调节剂:随机,彻底的QT/QTc研究的结果
Borje Darpo1, Kalvin Connor1, Christopher H Cabell2
1ERT, Rochester, NY, USA.
Clinical pharmacology in drug development
|March 5, 2024
概括
埃特拉西莫德是一种口服的基1-酸盐受体调节剂,在健康成年人中没有显示出临床相关的QT/QTc影响. 这种药物对心率产生了轻微的,暂时的影响,没有观察到心房静脉阻塞.
科学领域:
- 药理学 药理学是指药理学的学科.
- 心脏病学 心脏病学
- 临床试验 临床试验
背景情况:
- 埃特拉西莫德是一种临床的口服选择性基-1-酸盐受体1,4,5调节器,用于免疫介导的炎症性疾病.
- 评估心血管安全性,特别是QT间隔效应,对于新型口服疗法至关重要.
研究的目的:
- 为了研究埃特拉西莫德对QT间隔和其他心电图参数的影响,健康的成年人.
- 为了评估度-QTc关系和心率变化与埃特拉西莫德的管理相关.
主要方法:
- 随机,双盲,安慰剂和积极控制,平行组研究在健康的成年人.
- 每天服用多次上升剂量的乙胺 (2-4毫克) 或安慰剂,持续14天.
- 使用弗里德里西亚校正 (QTcF) 和评估心率 (HR) 和PR间隔变化的度-QTc分析.
主要成果:
- 埃特拉西莫德没有显示出临床相关的QT/QTc延长;预测的安慰剂校正的QTcF变化保持在10毫秒以下.
- 观察到轻微,短暂,无症状的心率减缓,在第一剂量 (2 mg) 中最明显.
- 观察到PR间隔的小效应,没有心房静脉阻塞的发作.
结论:
- 在健康的成年人中,多次上升的乙西莫德剂量与临床相关的QT/QTc影响无关.
- 埃特拉西莫德对心率表现出轻微,短暂且无症状的影响.
- 这些发现支持埃特拉西莫德在心电图参数方面的心血管安全概况.
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