Efficacy of Local Food Extracts at Different Storage Times
- Conditions
- Food Allergy
- Registration Number
- NCT02774629
- Lead Sponsor
- Mahidol University
- Brief Summary
Local lyophylized food extracts are available useful in skin prick test and atopy patch test to confirm food allergy. However, the investigators want to know the duration that the investigators can keep the extracts for the usage in this purpose.
- Detailed Description
Food allergy incidence increases world wide. The diagnosis mostly depends on history. Skin prick test and atopic patch test are useful in finding the causative foods in some cases. The local food extracts have been shown to be at least as effective as commercial ones. From previous study the investigators keep the extract at 2-8 degree Celsius for 1-3 months for the usage. The investigators want to evaluate the duration that the extracts are still useful in diagnosis food allergy
Recruitment & Eligibility
- Status
- UNKNOWN
- Sex
- All
- Target Recruitment
- 60
- Positive skin prick test to one of the food (milk, egg, soy, wheat, seafood)
- Chronic diseases such as heart disease, liver, renal and severe sepsis
- Severe allergic symptoms such as anaphylaxis
- Extensive skin rashes
- Pregnancy
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Mean wheal diameter of skin prick test 2 years The skin prick tests are performed with local prepared food allergen at keeping time of 0, 3 and 6 months after the preparation.
- Secondary Outcome Measures
Name Time Method Result of atopy patch test 2 years atopy patch tests are performed with local prepared food allergen at keeping time of 0, 3 and 6 months after the preparation.
Trial Locations
- Locations (1)
Siriraj hospital
🇹ðŸ‡Bangkok, Thailand