NCT00239213已完成不适用
A Randomized Clinical Study of Catechin Gargling Effects on the Prevention of Influenza Infection
适应症
相关药物
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 400
- 试验地点
- 6
- 主要终点
- Incidence rates of influenza infection during the study
研究概览
简要总结
The purpose of this study is to clarify the preventive effects of catechin gargling on the influenza infection.
详细描述
In-vitro experimental studies have revealed that tea catechin extracts induce preventive effects on influenza infection. However, few studies have been conducted on the effects of tea gargling on influenza infection, and the clinical evidence is unclear. Also there have been no studies reported on the gargling effects with tea catechin extracts on the prevention of influenza infection.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Prevention
- 盲法
- Double
入排标准
- 年龄范围
- 20 Years 至 65 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •healthy volunteers
- •aged 20 to 65 years old
- •obtained written informed concent before participation
- •inoculated with influenza vaccine before entering the study
排除标准
- •other gargling except water during the study
- •possessing tea allergy
结局指标
主要结局
Incidence rates of influenza infection during the study
次要结局
- severity of symptoms including complications and hospitalization
研究者
研究点 (6)
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