测量二级渐进性MS的认知变化:对ASCEND认知子研究的分析
Victoria Leavitt1, Jop Mostert2, Jacynthe Comtois3
1Department of Neurology, Columbia University Irving Medical Center, New York, USA. vl2337@cumc.columbia.edu.
Journal of neurology
|April 12, 2025
概括
多发性硬化症 (MS) 患者的认知评分在96周内有所改善,无论纳塔利祖马布治疗. 这些改进突显了在MS临床试验中需要更好的认知结果测量.
科学领域:
- 神经科学是一个神经科学.
- 临床试验 临床试验
- 神经免疫学 神经免疫学
背景情况:
- 认知障碍是患有多发性硬化症 (MS) 的人面临的重大挑战.
- 准确评估认知变化对于评估MS临床试验中的治疗疗效至关重要.
研究的目的:
- 评估纳塔利祖马布对二次进展性多发性硬化症 (SPMS) 患者认知功能,身体残疾和大脑变化的影响.
- 在第三阶段临床试验环境中评估各种认知和临床指标的有用性.
主要方法:
- 一个第三期随机对照试验,涉及SPMS的成年人接受纳塔利祖马布或安慰剂96周.
- 认知评估包括符号数字模式测试 (SDMT),步调听力序列加法测试 (PASAT) 和记忆测试.
- 身体残疾和脑部成像 (体积,T2病变) 也被监测.
主要成果:
- 在纳塔利祖马布和安慰剂组之间没有观察到认知变化的显著差异.
- 无论是SDMT还是PASAT分数,在96周内,无论治疗方式如何,都显示出改善.
- 大脑体积减少,而身体残疾指标显示几乎没有持续恶化.
结论:
- 在SDMT和PASAT得分的改善发生在natalizumab治疗的独立性,与之前的MS研究保持一致.
- 观察到的认知改善表明,需要考虑实践和学习效应的结果措施,以准确地衡量MS的真正变化.
- 这些发现强调了MS临床试验中敏感的认知结果措施的重要性.
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