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Review
. 2024 Dec:91:102494.
doi: 10.1016/j.coi.2024.102494. Epub 2024 Oct 1.

Role of allergen immunotherapy and biologics in allergic diseases

Xiaoying Zhou  1 , Elisabeth M Simonin  1 , Youn S Jung  1 , Stephen J Galli  2 , Kari C Nadeau  3
Affiliations
Review

Role of allergen immunotherapy and biologics in allergic diseases

Xiaoying Zhou et al. Curr Opin Immunol. 2024 Dec.

Abstract

The rise in the prevalence of allergic diseases has become a global health burden. Allergic diseases are a group of immune-mediated disorders characterized by IgE-mediated conditions resulting from a type 2 helper T cell (Th2)-skewed immune response. This review aims to comprehensively summarize recent research on the roles of allergen immunotherapy (AIT) and biologics in allergic diseases. Specifically, we review the mechanisms of AIT and biologics in modulating innate and adaptive immunity involved in allergic disease pathogenesis, as well as their safety and efficacy in the treatment of allergic diseases. We also discuss current new AIT strategies such as recombinant allergen-based vaccines and allergen extract nanoencapsulation. Further research is needed to understand immune tolerance mechanisms beyond the Th2 pathway and to characterize immunological changes in responders and nonresponders to AIT or biologics. This additional research may uncover new targets for monitoring treatment responses and developing personalized treatment strategies for allergic diseases.

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Conflict of interest statement

Declaration of Competing Interest Dr. Nadeau reports grants from National Institute of Allergy and Infectious Diseases (NIAID), National Heart, Lung, and Blood Institute (NHLBI), National Institute of Environmental Health Sciences (NIEHS), and Food Allergy Research & Education (FARE); Stock options from IgGenix, Seed Health, ClostraBio, Cour, Alladapt; Advisor at Cour Pharma; Consultant for Excellergy, Red tree ventures, Before Brands, Alladapt, Cour, Latitude, Regeneron, and IgGenix; Co-founder of Before Brands, Alladapt, Latitude, and IgGenix; National Scientific Committee member at Immune Tolerance Network (ITN), and National Institutes of Health (NIH) clinical research centers; patents include ‘Mixed allergen com-position and methods for using the same,’ ‘Granulocyte-based methods for detecting and monitoring immune system disorders,’ and ‘Methods and Assays for Detecting and Quantifying Pure Subpopulations of White Blood Cells in Immune System Disorders.’ The other authors have no conflicts of interest to report.

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