NCT01851122已完成不适用
The Effect of the Amino Acid L-Theanine on Alertness and Vigilance
The University of Texas Health Science Center, Houston2 个研究点 分布在 1 个国家目标入组 26 人开始时间: 2011年11月1日最近更新:
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 26
- 试验地点
- 2
- 主要终点
- Well-Being
研究概览
简要总结
The amino acid l-theanine (the active ingredient in green tea) is considered to have a calming effect without causing sleepiness. This study evaluates whether l-theanine affects blood pressure, heart rate, alertness, and sense of well-being.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Crossover
- 主要目的
- Treatment
- 盲法
- Double (Participant, Investigator)
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •able to swallow capsule
排除标准
- 未提供
结局指标
主要结局
Well-Being
时间窗: 48 hrs
Sense of subjective well-being as measured on a visual analog scale
Alertness
时间窗: 48 hrs
The average response time to identify a small rectangle shown on a computer screen.
次要结局
未报告次要终点
研究者
David Bauer
Staff - Internal Medicine - Cardiology
The University of Texas Health Science Center, Houston
研究点 (2)
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