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Stepwise oral food challenge test
Noriyuki Yanagida1, Sakura Sato, Motohiro Ebisawa
1Department of Allergy, Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Kanagawa, Japan.
Current Opinion in Allergy and Clinical Immunology
|April 12, 2026
Summary
Stepwise oral food challenges (OFCs) using very-low-dose (VLD) or low-dose OFC are effective for diagnosing food allergies. This approach improves prognosis by avoiding complete food elimination and ensuring patient safety with appropriate dosing intervals.
Area of Science:
- Allergy and Immunology
- Clinical Pediatrics
- Diagnostic Medicine
Background:
- Oral food challenge (OFC) is the gold standard for diagnosing food allergies.
- Stepwise OFC, initiating with very-low-dose (VLD) or low-dose OFC, is an emerging management strategy.
Purpose of the Study:
- To critically evaluate the clinical utility of stepwise OFC.
- To assess the safety profile of stepwise OFC approaches.
Main Methods:
- Review of recent literature on stepwise OFC.
- Analysis of VLD and low-dose OFC protocols and outcomes.
Main Results:
- Stepwise OFC, beginning with VLD or low-dose OFC, is a critical diagnostic step.
- VLD and low-dose OFCs are effective in preventing complete food elimination and enhancing prognosis.
- An appropriate dosing interval of at least 1 hour is recommended for stepwise OFC safety.
Conclusions:
- Stepwise OFCs utilizing VLD or low-dose OFC are effective and well-tolerated.
- These methods aid in avoiding complete elimination of allergenic foods.
- Stepwise OFC strategies can significantly improve the prognosis for children with food allergies.
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