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. 2014 Feb 26;10(1):12.
doi: 10.1186/1710-1492-10-12.

The natural history of IgE mediated wheat allergy in children with dominant gastrointestinal symptoms

Grażyna Czaja-Bulsa  1 , Michał Bulsa
Affiliations

The natural history of IgE mediated wheat allergy in children with dominant gastrointestinal symptoms

Grażyna Czaja-Bulsa et al. Allergy Asthma Clin Immunol. .

Abstract

Background: Wheat is one of the most common food allergens in children. The purpose of this study is to define the natural course of wheat allergy in children with dominant gastrointestinal symptoms and identify factors that help predict development of tolerance.

Methods: The prospective analysis covered 50 children with positive food challenge results (DBPCFC) and positive wheat IgE test result. Resolution of wheat allergy was determined on the basis of food challenge results (open challenge). The impact of each of the studied factors on the age when tolerance developed was assessed by means of the Cox proportional hazard regression model.

Results: The median age of tolerance development was 69.5 months (37-192 mo.). The rates of resolution were 20% by the age of 4 years, 52% by the age of 8 years, and 66% by 12 years, and 76% by 18 years. The median age of the tolerance development in children with peak wheat IgE level below10 kU/L was 41.4 months, with peak wheat IgE from 10 to 19.9 kU/L was 44.5 months, with peak IgE from 20 to 49.9 kU/L - 84,9 months and with peak IgE ≥ 50 kU/L - 190.5 months. The median of the age when the highest levels of IgE for wheat were reached was 33 months (2-52 mo.) in children with resolved wheat allergy and 67 months (36-178 mo.) in children with persistent allergy (p = .001).

Conclusions: 1. The majority of children with wheat allergy can tolerate wheat by adolescence. 2. The age when tolerance to wheat developed depended on the level and the age of reaching the highest levels of specific IgE for wheat. The higher the values of the above parameters, the older a child was when they developed tolerance to wheat.

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Figures

Figure 1
Figure 1
Type of adverse reactions to wheat during the first 18 years of life.
Figure 2
Figure 2
Relationship of peak wheat IgE level to persistence of wheat allergy during the first 18 years of life.
Figure 3
Figure 3
The curve of the correlation of the peak wheat sIgE level with the wheat tolerance development age.
See this image and copyright information in PMC

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