Overview

Thresholds In food allergy evaluaTion And predictioN, a prospective, observational registry. The aim is to quantify food allergy thresholds in Canada and their clinical predictors.

Eligibility

Inclusion Criteria:

1. Suspicion or history of food allergy based on medical history, positive skin prick test, and/or serum food-specific IgE. A suggestive history is defined as typical clinical signs and/or symptoms (urticaria, angioedema, abdominal pain, vomiting, dyspnea, wheeze) within 60 minutes of the ingestion of a food.
2. Ability to discontinue all antihistamines for 1 week before oral food challenge.

Exclusion Criteria:

1. Previous desensitization treatment to a food allergen
2. Allergies to any component of the oral challenge vehicle
3. Unstable conditions including uncontrolled asthma or chronic urticaria
4. Any clinically significant disease/chronic medical condition which may interfere with study evaluations.