Advances, Practical Implementation, and Unmet Needs Regarding Oral Immunotherapy for Food Allergy

Kirsten P. Perrett, Sayantani B. Sindher, Philippe Begin, Josiah Shanks, Arnon Elizur

Research output: Contribution to journalArticlepeer-review


Treatment of food allergy is a rapidly changing landscape, with arguably, the most significant advancement in recent years, the transition of oral immunotherapy (OIT) to clinical practice. As an innovation, OIT is a phase of rapidly increasing demand, particularly for some allergens such as peanut, egg, and milk, which have substantial evidence of efficacy. However, significant questions remain about how to best treat multiple food allergies and less common food allergies and how to optimize long-term safety and efficacy. This review summarizes the currently available resources for integrating food allergy OIT into clinical practice and focuses on the multiple remaining unmet needs such as providing an approach for OIT to food allergens for which there is no or limited evidence; practical issues related to food allergy treatment particularly when it is not going well; long-term outcomes and follow-up after OIT; and strategies to help meet the impending increase in demand.

Original languageEnglish
Pages (from-to)19-33
Number of pages15
JournalJournal of Allergy and Clinical Immunology: In Practice
Issue number1
StatePublished - Jan 2022


  • Desensitization
  • Food allergy treatment
  • Oral food challenge
  • Oral immunotherapy
  • Sustained unresponsiveness


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