试验设计:Equol针对血管和认知衰老中的雌激素受体-β
Akira Sekikawa1, Whitney Wharton2, Cristina Murray-Krezan3
1Department of Epidemiology School of Public Health University of Pittsburgh Pittsburgh Pennsylvania USA.
Alzheimer's & dementia (New York, N. Y.)
|August 21, 2025
概括
这项研究研究了老年人血管和认知衰老的Equol补充剂. 动脉硬,认知和Equol (ACE) 试验是第一个探索equol
科学领域:
- 老年学与衰老研究
- 营养神经科学
- 心血管健康
背景情况:
- 作为选择性雌激素受体β (ERβ) 激动剂的作用.
- 临床前研究表明,equol具有血管保护,抗氧化和潜在的神经保护性质.
- 在减轻人体血管衰老和认知衰退方面,equol的作用尚不清楚.
研究的目的:
- 研究每天补充Equol的疗效,以减缓动脉硬化的进展.
- 评估Equol对减少大脑白质病变的影响.
- 确定equol是否可以预防老年人没有痴呆症的认知衰退.
主要方法:
- 动脉硬,认知和Equol (ACE) 试验是一项多中心,随机,双盲,安慰剂对照的研究.
- 参与者 (65-85岁,没有痴呆症) 接受了10毫克/天的equol或安慰剂24个月.
- 主要结局:动脉硬 (关节 - 腿部脉冲波速);次要结局:白质病变和认知功能 (临床前阿尔茨海默症认知复合物).
主要成果:
- 在对1783名患者进行了预先查后,369名参与者被随机分类 (185名为equol,184名为安慰剂).
- 随机抽样是52%的女性和22%的黑人/非洲裔美国人,具有均衡的基线特征.
- 该试验实现了接近目标的招募,招募了种族多样化的队列.
结论:
- 该试验成功招募了多样化的老年人群,证明了大规模研究的可行性.
- 这项研究是首次评估equol对血管和认知衰老的影响的大规模临床试验.
- 通过准ERβ途径,这些发现可以为预防痴呆症的精确营养策略提供信息.
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