Is Allergen Immunotherapy in Children Disease Modifying? A Review of the Evidence

Abstract

Purpose of Review

Although evidence supports a beneficial effect of allergen immunotherapy on the symptoms of allergic respiratory disease and food allergy, it is not clear whether immunotherapy modifies the natural history of these conditions.

Recent Findings

In aeroallergen immunotherapy, studies suggest that prevention of asthma can be attained. Less evident is the ability of immunotherapy to prevent new allergen sensitizations and more studies are needed to test whether immunotherapy can continue suppressing airway symptoms after treatment discontinuation. In food allergen immunotherapy, there is evidence that unresponsiveness to a food challenge can be sustained in some treatment recipients, but little knowledge exists as to the dose and duration of treatment that can optimize this effect.

Summary

Suggestive evidence exists that allergen immunotherapy can modify allergic disease in children, but definitive studies are lacking. More research in the field is required.

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