Stepwise Oral Food Challenge for Hen's Egg Allergy in Children
Author Information
Author(s): Ogata Mika, Kido Jun, Yoshida Takanobu, Nishi Natsuko, Shimomura Sachiko, Hirai Nami, Mizukami Tomoyuki, Yanai Masaaki, Nakamura Kimitoshi
Primary Institution: Kumamoto University, Kumamoto City, Japan
Hypothesis
Does early low-dose administration of hen's egg induce immune tolerance in children with hen's egg allergy?
Conclusion
Stepwise oral food challenge is safe and effective for diagnosing hen's egg allergy and may help introduce hen's egg earlier in children's diets.
Supporting Evidence
- 25.6% of children showed positive reactions to the oral food challenge.
- There were no cases of anaphylactic shock during the study.
- Higher serum egg white and ovomucoid-specific IgE levels were associated with positive oral food challenge results.
- Children in the low-dose group had more positive reactions compared to medium and full-dose groups.
- Children with a history of anaphylaxis were more prevalent in the low-dose group.
Takeaway
This study looked at how giving small amounts of hen's egg to kids with allergies can help them eat it safely later on.
Methodology
The study included 2,058 children who underwent stepwise oral food challenges for hen's egg allergy, evaluating their reactions and serum IgE levels.
Potential Biases
Potential biases due to the retrospective nature of the study and reliance on medical records.
Limitations
The study was retrospective and based on medical records from two institutions, which may limit the generalizability of the findings.
Participant Demographics
Children aged 2.6 years on average, with a history of allergies and varying levels of IgE.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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