Status:

UNKNOWN

Canadian Peanut Thresholds Study

Lead Sponsor:

McMaster University

Collaborating Sponsors:

AllerGen NCE Inc.

Conditions:

Peanut Allergy

Eligibility:

All Genders

7-65 years

Phase:

NA

Brief Summary

An important gap in the management of peanut allergy is that we do not know the threshold dose, below which most peanut allergic individuals will not react. There is likely a spectrum of reactivity to...

Detailed Description

Overview This study protocol will be modeled on a consensus protocol developed with the input of clinical allergists and other allergy stakeholders to standardize threshold challenge studies \[5-8\]....

Eligibility Criteria

Inclusion

  • Children and adults between 7-65 years of age.
  • Demonstrated history of peanut allergy based on medical history, positive skin prick test, and peanut-specific IgE CAP-FEIA test. Participants will be confirmed to have peanut allergy based on a history of significant clinical symptoms within 60 minutes of the ingestion of peanut, the presence of specific IgE to peanut (a positive skin prick test to peanut, defined as a wheal 3 mm larger than that of the saline control, and a positive in vitro peanut-specific IgE (CAP-FEIA) test value \>0.35 IU/mL.
  • Ability to discontinue all prescribed and over the counter allergy-related medications for suitable withdrawal periods before starting the challenge trial. See Appendix I for specifications.

Exclusion

  • Previous desensitization treatment to peanut
  • Allergies to any component of the oral challenge matrix
  • Unstable allergic conditions such as uncontrolled asthma or chronic urticaria
  • Any clinically significant disease/chronic medical condition which may interfere with study evaluations

Key Trial Info

Start Date :

May 1 2013

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 1 2021

Estimated Enrollment :

30 Patients enrolled

Trial Details

Trial ID

NCT01812798

Start Date

May 1 2013

End Date

September 1 2021

Last Update

June 4 2020

Active Locations (1)

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1

McMaster University

Hamilton, Ontario, Canada, L8S 4K1