NCT04226079Unknown不适用
Analysis of Volatile Organic Compound (VOC) in Exhaled Breath for the Detection of Gastrointestinal Bleeding
适应症
试验速览
- 阶段
- 不适用
- 入组人数
- 60
- 试验地点
- 1
- 主要终点
- VOC Patterns
研究概览
简要总结
Cross sectional case-control study investigating the difference of volatile organic compound in the exhaled breath of the patients with GI bleeding and normal population.
详细描述
This study investigates the difference of volatile organic compound in the exhaled breath of the patients with GI bleeding and normal population. We aimed to find out the biomarkers for GI bleeding.
研究设计
- 研究类型
- Observational
- 观察模型
- Case Control
- 时间视角
- Prospective
入排标准
- 年龄范围
- 20 Years 至 80 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Adults aged between 20 and 80
- •Low possibility of gastrointestinal bleeding was proven by esophagogastroduodenoscopy and colonoscopy which were performed within 1 year.
- •NSAID non-user (within 1 months before the date of inclusion)
排除标准
- •Diagnosis of malignancy diagnosed within 5 years
- •Past medical history of chronic liver disease, chronic kidney disease, chronic lung disease, chronic bronchial disease, asthma
- •Surgical history of any kind of gastrectomy
- •Surgical history of any kind of lung resection which could impact the patient's lung function.
结局指标
主要结局
VOC Patterns
时间窗: 1 day of 1st emergency room (ER) visit for GI bleeding
Patterns of volatile organic compounds recognized by sensor array
次要结局
- Measurement of VOC(1 day of 1st emergency room (ER) visit for GI bleeding)
- Change of VOC patterns(2nd visit (about 2weeks apart from 1st visit))
研究者
Hyunsoo Chung
Professor
Seoul National University Hospital
研究点 (1)
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