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    The incidence of allergies has been steadily increasing in recent years. Allergen-specific immunotherapy (AIT) represents the only approach capable of inducing long-term immune tolerance toward allergens. However, the clinical success of AIT is limited by efficacy or safety concerns related to the administration route. Therapeutic delivery in the skin appears promising, given the presence of immune cells in the skin and the relatively low level of systemic distribution that occurs with this delivery method. However, the stratum corneum greatly limits this route. In this regard, the use of microneedles has been proposed to improve the delivery of therapeutics into the skin. In this review, we discuss recent developments in the use of microneedles for AIT, highlighting avenues for future research. Copyright © 2023 The Author(s). Published by Elsevier Ltd.. All rights reserved.


    Juan L Paris, Lalitkumar K Vora, María José Torres, Cristobalina Mayorga, Ryan F Donnelly. Microneedle array patches for allergen-specific immunotherapy. Drug discovery today. 2023 May;28(5):103556

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    PMID: 36931387

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