High and Low Dose Oral Peanut Immunotherapy - Comparison of Efficacy and Safety

  • STATUS
    Recruiting
  • participants needed
    40
  • sponsor
    Medical University of Warsaw
Updated on 5 February 2023

Summary

In this trial the investigators aim to assess the effectiveness and safety of oral immunotherapy with peanut protein in high and low dose (300mg versus 150mg) in children with peanuts allergy.

Description

Peanut allergy is a significant clinical problem. Food immunotherapy provides the latest approach to managing food allergy. Oral immunotherapy is considered as the most effective and safe, according to current research. What is more, this type of therapy is easily available and can be continued at patient's home. Obtaining and maintenance of tolerance to the allergic food is the main goal of this procedure.

The study will include children with peanut allergy, confirmed during open oral food challenge (OOFC) with peanut protein. First OOFC will be performed before immunotherapy, second one at the end of procedure. Participants will be randomly assigned to two groups. During the maintenance phase, the first group will receive low dose of peanut protein, which amounts 150mg, the second will get high dose, which is 300 mg of peanut protein. Oral immunotherapy with low and high dose of peanut protein in children randomly assigned to two groups (1:1).

In the following phase, every two weeks the dose of ground roasted peanut will be increased and applied to a child during hospitalization (1-day procedure). Precondition to increase of dose is good tolerance of previous portion of peanut. The maximum time frame for this phase is 14 months.

After achieving tolerance, immunotherapy will be continued for 2 months in maintenance phase, with dose 150mg or 300 mg peanut protein, depending on a study group.

The dosage increasing phase will last maximally 14 months. If patients achieves the maintenance dose earlier, this period may be shorter. Maintenance dose is determined by random patients' assignment to one from study's group and amounts 150mg or 300 mg of peanut protein, respectively.

The duration of the maintenance phase is 8 weeks (+/-2 weeks). After 2 months (8 weeks +/-2 weeks) of maintenance dose the final OOFC and evaluation of tolerance of peanut protein will be performed. Confirmation of the total desensitization of peanut is the tolerance of a single dose of 4500 mg peanut protein.

Details
Condition peanut allergy, allergy to peanuts
Treatment High dose of peanuts, Low dose of peanuts
Clinical Study IdentifierNCT04415593
SponsorMedical University of Warsaw
Last Modified on5 February 2023

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