临床表现 临床表现
Alan Jing Chiuan Peng1,2, Yejin Kang1,2, Damien Gallagher1,3
1University of Toronto, Toronto, ON, Canada.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 24, 2025
概括
在患有血管轻度认知障碍 (vMCI) 的个体中,N-乙半氨酸 (NAC) 可能有效地治疗冷漠和情绪失调. 这种抗氧化剂在减少神经精神病症状和痴呆症进展风险方面表现有前途.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 药理学 药理学是指药理学的学科.
背景情况:
- 像冷漠这样的神经精神症状 (NPS) 在血管轻度认知障碍 (vMCI) 中很常见,并增加痴呆风险.
- 氧化应激和血管因素与vMCI中的神经退行和NPS有关.
- 以前的发现将氧化应激生物标志物与vMCI中的冷漠联系在一起,这表明了抗氧化潜力.
研究的目的:
- 研究N-乙半氨酸 (NAC) 作为对患有vMCI.CI的个体进行NPS治疗的疗效.
- 在vMCI的背景下,评估NAC对冷漠和情绪失调 (ED) 的影响.
- 探索NAC在减轻痴呆风险因素方面的潜在作用.
主要方法:
- 一项双盲随机对照试验 (RCT) 的二次分析,该试验涉及运动的老年人与vMCI.
- 参与者在24周内接受了2400mg的NAC或安慰剂.
- 使用轻度行为障碍检查清单 (MBI-C) 进行的神经心理评估,在基线,12周和24周进行.
主要成果:
- 在12周观察到对冷漠和情绪失调 (ED) 产生有利于NAC的显著治疗效应.
- 与安慰剂 (平均变化: -0.296) 相比,NAC组的冷漠度得分下降了更多 (平均变化: -1.56).
- 在NAC组中,ED评分也显示了较大的减少 (平均变化: -2.04) 与安慰剂 (平均变化: -0.481) 相比.
结论:
- 在患有vMCI的个体中,N-乙半氨酸 (NAC) 显示出作为对冷漠和情绪失调的治疗潜力.
- 在vMCI患者中,NAC可能有助于减轻神经精神症状,可能降低痴呆症的负担.
- 进一步研究NAC在管理认知衰退和相关症状中的作用是有必要的.
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