临床表现 临床表现
Priyanka Kumari1, Andrew J Aschenbrenner2,3, Richard B Lipton4,5,6
1Albert Einstein College of Medicine, New York, NY, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
概括
客观记忆障碍 (SOMI) 的阶段在临床试验中准确预测了阿尔茨海默病的进展. 这种记忆评估工具在不同类型的研究中显示了一致的风险概况.
科学领域:
- 神经学 神经学
- 认知科学 认知科学
- 生物标志物 生物标志物
背景情况:
- 记忆障碍是阿尔茨海默病 (AD) 的早期指标.
- 客观记忆障碍的阶段 (SOMI) 是一个验证的系统,用于评估情节性记忆衰退.
- 此前,SOMI已经在观察性研究中预测了进展.
研究的目的:
- 在无症状阿尔茨海默氏症 (A4) 临床试验中评估SOMI对临床进展的预测效用.
- 评估SOMI的预测性能是否在临床试验环境中符合严格的资格标准.
主要方法:
- 分析了1069名具有阳性粉样蛋白PET扫描的认知正常参与者.
- 基线SOMI阶段是使用自由和有线选择性提醒测试 (FCSRT) 评分来确定的.
- 考克斯的比例危险模型评估了SOMI阶段和临床进展之间的关联 (由CDR>0定义).
主要成果:
- 较高的SOMI基线阶段与临床进展风险增加有显著的关联.
- 与SOMI-0.0相比,患病进展的危险比为1.41 (SOMI-1),1.74 (SOMI-2) 和2.42 (SOMI 3-4),与SOMI-0.0相比,患病进展的危险比为1.41 (SOMI-1),1.74 (SOMI-2) 和2.42 (SOMI 3-4).
- 即使在调整了粉样蛋白水平之后,SOMI仍然是进展的重要预测因素.
结论:
- 在临床试验中,SOMI有效地预测了患有阿尔茨海默病风险的无症状个体的临床进展.
- 在A4研究中,SOMI的预测风险概况与纵向队列研究的发现相似.
- 在阿尔茨海默病的临床研究中,SOMI作为预后工具的实用性得到了证明.
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