ImmuneNutrition Against Pediatric Respiratory Allergies: Results From the INAPRA Trial
Abstract
Respiratory allergic diseases, namely asthma and allergic rhinitis (AR), are among the most common chronic pediatric conditions with prevalence continuing to rise over last decades and are leading healthcare costs. Epidemiological trends show high rates in young children, aged under 10 years, significant comorbidity between conditions (asthma and AR), and a rising recognition of lifestyle's role in microbial, epithelial barrier and immune system dysfunction which collectively drive type 2-driven airway inflammation, the hallmark feature of allergic respiratory diseases.
Strategies aiming to reduce allergy outcomes have included dietary interventions during the pediatric age with immunonutrition and postbiotics. Immunonutrition uses specific nutrients to support the immune system, while postbiotics use microbial-derived compounds to modulate microbiome, epithelial barrier and immune function, and they can work together by modulating the gut-immune axis to reduce inflammation and to promote immune tolerance also through epigenetic mechanisms.
Vitamin D, DHA, quercetin, perilla frutescens, fructooligosaccharides and DHA have been indicated as promising food supplements for and effective immunonutrition action against allergy. Similarly, postbiotics-non-viable microbial preparations with demonstrated biological activity-such as heat-inactivated Lactobacillus rhamnosus GG (LGG) and the gut microbiome-derived metabolite butyrate have been shown to strengthen epithelial barrier…
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 40 participants or records.
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