ArticleInternational archives of allergy and immunology2026
Egg Ladder versus Oral Immunotherapy in Infants with Egg Allergy: A Single-Center, Retrospective Cohort Study.
Article in International archives of allergy and immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionEgg allergy restricts dietary diversity. Although oral immunotherapy (OIT) has demonstrated efficacy in treating egg allergy, this approach carries the risk of anaphylaxis. In the egg ladder (EL) approach, egg proteins are gradually introduced from extensively heated forms to less processed ones. Here, we aimed to compare the effectiveness and safety of EL versus OIT in infants with egg allergy.
methodsThis single-center retrospective cohort study involved children aged <2 years who had been diagnosed with IgE-mediated egg allergy between 2014 and 2022. We utilized a historical cohort design comparing patients treated with OIT (2014-2018) with those treated with the EL approach (2018-2022). The study's primary outcomes were: (1) tolerance to whole-boiled egg (at least half of one whole-boiled egg) and (2) tolerance to egg-containing processed foods (ECPFs). Adverse events (AEs) were also assessed.
resultsA total of 163 children received OIT, whereas 89 underwent EL. Whole-boiled-egg tolerance after 2 years of follow-up was similar between the groups (EL: 58% vs. OIT: 52%, p = 0.355). ECPF tolerance was higher with EL than with OIT (EL: 80% vs. OIT: 64%, p = 0.014), as expected from protocol design. The overall AE rates were comparable between the approaches (EL: 28% vs. OIT: 34%, p = 0.397); however, treatment-related anaphylaxis occurred only with OIT (three cases). The Kaplan-Meier curves showed no difference in whole-boiled-egg tolerance between the two approaches (p = 0.681), but the time to ECPF tolerance was shorter with EL (p = 0.009).
conclusionIn this real-world cohort, EL achieved comparable whole-boiled-egg tolerance at 2 years and earlier dietary expansion to egg-containing processed foods by protocol design, with no treatment-related anaphylaxis observed in the EL group.
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