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Allergy immunotherapy: Future directions for the 2020s

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Allergy immunotherapy (AIT), whether administered as subcutaneous immunotherapy or as sublingual immunotherapy (SLIT), is an effective treatment for sensitization to inhalant allergens. There remain, however, some important unresolved issues, such as the need for compelling evidence for or against the efficacy of treatment with multiple unrelated allergen extracts and optimal dosing with SLIT-liquid preparations. Both methods of AIT involve prolonged periods of treatment to achieve persisting benefit. This can be inconvenient and expensive, and failure to complete the period of prescribed treatment is common with both methods. New approaches are being developed and studied to make AIT more effective, safer, or more convenient. Among these approaches are using alternative routes of administration; using adjuvants, including vitamin D, Toll-like receptor ligand agonists, biologics, or probiotics; introducing additional SLIT tablets; defining the patterns of major and minor allergen sensitivity of patients and the content of allergen extracts to better match sensitization with treatment; and treating cats to reduce their allergen release. The allergen molecules themselves are being altered to make them less reactive with specific immunoglobulin E, both by creating allergoids and by using recombinant technology to produce modified allergen molecules. Which, if any, of these new approaches will become part of AIT practice in the next decade depends in part on their efficacy and in part on the availability of the resources to adequately study them.
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Keywords: Immunotherapy; SCIT; SLIT; adjuvants; allergoids; epicutaneous; intralymphatic; peptides

Document Type: Research Article

Publication date: September 1, 2020

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma and by having the potential to directly impact the quality of patient care. AAP welcomes the submission of original works including peer-reviewed original research and clinical trial results. Additionally, as the official journal of the Eastern Allergy Conference (EAC), AAP will publish content from EAC poster sessions as well as review articles derived from EAC lectures.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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