Concepts and perspectives on peptide-based immunotherapy in allergy
2016
Allergen-specific T cells play a key role in the pathogenesis of allergic diseases through provision of help for allergen-specific B cells and control of inflammatory responses. Allergen immunotherapy using intact allergen proteins (given either subcutaneously or sublingually) is clinically effective and demonstrates enduring efficacy (i. e., disease modifying). However, the requirement for monthly injections or daily sublingual administration (both for 3 years), combined with a high frequency of local and systemic adverse events, results in poor compliance. Targeting allergen-specific T cells with synthetic peptides representing dominant T cell epitopes markedly decreases treatment times (4–8 intradermal injections), reduces adverse events and provides efficacy for at least 2 years. We have developed peptide immunotherapies for allergies triggered by cats, house dust mites, and grass pollen.
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