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Oral food challenge using different target doses and time intervals between doses.
Noriyuki Yanagida1, Sakura Sato2, Ken-Ichi Nagakura1
1Department of Pediatrics.
Current Opinion in Allergy and Clinical Immunology
|April 3, 2018
Summary
Low-dose oral food challenges (OFCs) are effective for diagnosing food allergies and avoiding food elimination. An appropriate time interval between doses is crucial for OFC safety.
Area of Science:
- Allergy and Immunology
- Clinical Nutrition
Background:
- Oral food challenge (OFC) is essential for diagnosing food allergies and assessing tolerance.
- Standardized OFC protocols are lacking, with variations in target doses and administration intervals across countries.
Purpose of the Study:
- To review and evaluate different target doses used in OFC.
- To determine optimal time intervals between doses for OFC procedures.
Main Methods:
- Systematic analysis of recent literature focusing on OFC target doses and inter-dose timing.
- Comparison of reported protocols regarding dose escalation and time intervals.
Main Results:
- Some studies utilize low target doses, which appear to be a beneficial strategy.
- A 15-minute interval is considered short, while an interval of at least 1 hour is deemed appropriate.
- Intervals exceeding 30 minutes are recommended for OFC safety.
Conclusions:
- Low-dose OFCs are well-tolerated and effective in preventing unnecessary food avoidance.
- Establishing standardized OFC protocols with appropriate inter-dose intervals is critical for patient safety and diagnostic accuracy.
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