Comparison of Skin Prick Tests and Atopy Patch Test Results of Lyophilized Food Extracts at Different Storage Time (0, 3 and 6 Months) After Preparation
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 40
- 试验地点
- 2
- 主要终点
- skin test result of lyophilized foods at 6 months after preparation
研究概览
简要总结
Comparison the result of skin prick tests and atopy patch test of lyophilized food extracts at different storage time (0, 3 and 6 months) after preparation
详细描述
Skin prick test were performed with lyophilized food extracts (cow milk, egg white, egg yolk, wheat, soy and shrimp) at different storage time (0, 3 and 6 months) after preparation.
Atopy patch test were performed with lyophilized food extracts (cow milk, egg white, egg yolk, wheat, soy and shrimp) at different storage time (0, 3 and 6 months) after preparation
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Parallel
- 主要目的
- Diagnostic
- 盲法
- Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
入排标准
- 年龄范围
- 3 Years 至 18 Years（Child, Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •mild to moderately severe food allergy patients
- •At least positive skin test to one kind of common food (commercial extract)
- •Stop antihistamine or corticosteroid (if more than 20mg/day) for at least 7 days
排除标准
- •Dermographism
- •Severe systemic disease such as autoimmune disease, immune deficiency, malignancy
- •Severe dermatitis or large area involment
- •pregnancy
研究组 & 干预措施
Food skin tests at 0 month
the skin test results of food extract at time 0 months after preparation
干预措施: skin test with food at different storage times (Diagnostic Test)
Food skin tests at 3 month
the skin test results of food extract at time 3 months after preparation
干预措施: skin test with food at different storage times (Diagnostic Test)
Food skin tests at 6 month
the skin test results of food extract at time 6 months after preparation
干预措施: skin test with food at different storage times (Diagnostic Test)
结局指标
主要结局
skin test result of lyophilized foods at 6 months after preparation
时间窗: 6 month
Perform skin prick test and atopy patch test the patients with lyophilized foods at 0, 3 and 6 months after preparation and compare the results at 6 months to 0 and 3 months.
次要结局
未报告次要终点
研究者
Nualanong Visitsunthorn
Professor
Mahidol University