瑞卡尔S48168 (ARM210) 治疗与RYR1相关的神经病变:一期,开放标签,剂量升级试验
Joshua J Todd1,2,3, Tokunbor A Lawal2, Irene C Chrismer2
1Neuromuscular and Neurogenetic Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20814, USA.
EClinicalMedicine
|February 6, 2024
概括
瑞卡尔S48168 (ARM210) 在患有RYR1相关肌肉病的患者中显示出良好的安全性和耐受性. 200毫克的剂量改善了疲劳和肌肉力量,为更大的试验铺平了道路.
科学领域:
- 神经学 神经学
- 遗传学 遗传学 是一个
- 药理学 药理学是指药理学的学科.
背景情况:
- 与RYR1相关的肌肉病变 (RYR1-RM) 源于RYR1基因的致病变异,影响骨肌肉刺激-收缩合.
- RyR1功能的异常,包括泄漏和氧化应激,是RYR1-RM病原体的关键.
- 在患者的肌肉活检中,Rycal化合物在改善RyR1功能方面表现有前途.
研究的目的:
- 在第一次住院试验中评估Rycal S48168 (ARM210) 的安全性和耐受性.
- 探索S48168 (ARM210) 的药理动力学 (PK) 概况和目标参与.
- 评估RYR1-RM患者的探索性终点,包括运动功能,肌肉强度和疲劳.
主要方法:
- 一项首次住院试验,涉及有遗传确认RYR1-RM的门诊成年人.
- 参与者每天服用120毫克或200毫克的S48168 (ARM210) 剂量,持续29天.
- 评估了安全性,耐受性,PK和各种临床终点.
主要成果:
- S48168 (ARM210) 耐受性良好,没有严重的不良事件,并显示了剂量依赖的PK概况.
- 每天服用200毫克的4名参与者报告说,疲劳减少,近端肌肉强度改善.
- 探索性终点表明了潜在的好处,支持进一步的调查.
结论:
- 在RYR1-RM患者中,S48168 (ARM210) 显示出良好的安全性,耐受性和PK.
- 每天200毫克的剂量对疲劳和肌肉力量产生了有希望的效果,这是RYR1-RM的主要症状.
- 这些发现支持一项较大规模的安慰剂对照试验,以确认S48168 (ARM210) 的疗效.
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