Thresholds In Food Allergy evaluaTion And predictioN

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age3-65
SponsorHamilton Health Sciences Corporation

About this trial

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 criteria

This trial accepts healthy volunteers

Qualifiers

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.

Ability to discontinue all antihistamines for 1 week before oral food challenge.

Disqualifiers

Previous desensitization treatment to a food allergen

Allergies to any component of the oral challenge vehicle

Unstable conditions including uncontrolled asthma or chronic urticaria

Any clinically significant disease/chronic medical condition which may interfere with study evaluations.

Trial population

All consecutive patients suspected or confirmed to be food allergic

Trial design

Design model

Other

Time perspective

Prospective

Treatments tested in this trial

  • Oral food challenge

    Diagnostic test

    Patients will undergo oral food challenge with increasing amounts of food allergen

Treatment groups

2,000 Participants
are divided into 1 treatment group
Group A: Group 11 intervention

Trial outcomes

Primary outcomes

1

Eliciting dose thresholds to food challenge

Threshold are measured by controlled food challenge to incremental doses of allergen (g) and are adjudicated according to CoFAR v3.0 criteria

Time frame
1 year

Secondary outcomes

1

Food Allergy Quality of Life Questionnaire Child Form

The number of items found in the child form questionnaire includes 30 items. Food allergy quality of life questionnaire is answered on a 7-point scale (0 to 6) with higher scores representing worse impairment.

Time frame
1 year
2

Food Allergy Quality of Life Questionnaire Teen Form

The number of items found in the Teen Form questionnaire includes 26 items. Food allergy quality of life questionnaire is answered on a 7-point scale (0 to 6) with higher scores representing worse impairment.

Time frame
1 year
3

Food Allergy Quality of Life Questionnaire Adult Form

The number of items found in the Adult Form questionnaire includes 35 items. Food allergy quality of life questionnaire is answered on a 7-point scale (0 to 6) with higher scores representing worse impairment.

Time frame
1 year
4

Food Allergy Quality of Life Questionnaire Parent Form

The number of items found in the Parent Form questionnaire includes 38 items. Food allergy quality of life questionnaire consists of 3 to 4 domains, each question is answered on a 7-point scale (0 to 6) with higher scores representing worse impairment.

Time frame
1 year

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Hamilton Health Sciences Corporation

Lead sponsor

AAAAI Foundation

Collaborator

Canadian Institutes of Health Research (CIHR)

Collaborator