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Induction of Sustained Unresponsiveness to Peanuts Using High- and Low-dose Peanut Oral Immunotherapy

Peanut Allergy Clinical Trial

Official title:
Induction of Sustained Unresponsiveness to Peanuts Using High- and Low-dose Peanut Oral Immunotherapy - Evaluation of Efficacy and Safety

Clinical Trial Summary

This study is a continuation of a clinical trial NCT044155930 comparing the efficacy and safety of oral immunotherapy (OIT) with low or high doses of peanut protein (150 or 300 mg, respectively) and will involve patients who have accomplished their per-protocol participation in that trial. The aim of current study is to assess a sustained unresponsiveness (SU) to allergen protein after at least 8 months of previously assigned high- or low-dose peanut OIT, followed by 4-week-allergen avoidance, and verified by an open oral food challenge (OOFC).

Clinical Trial Description

Oral immunotherapy is considered the most effective food allergy treatment. There are two main goals of food immunotherapy: achievement of desensitisation and sustained unresponsiveness. Desensitization is a temporary state of clinical non-reactivity which requires regular intake of allergen, whereas sustained unresponsiveness is defined as lack of clinical reaction to a food allergen after discontinuing OIT for a specific period of time. The study is a continuation of a clinical trial NCT044155930, which was designed to compare the efficacy and safety of oral immunotherapy (OIT) with low or high doses of peanut protein (150 or 300 mg, respectively) in children with a confirmed diagnosis of peanut allergy. The participants of current study will be recruited from patients who have accomplished their per-protocol participation in previous trial. Patients will receive the same maintenance dose of peanut allergen, which was used in previous trial (150 or 300 mg, respectively), for at least 8 months (32 weeks +/-2 weeks). Then, OIT will be discontinued for 4 weeks with strict peanut avoidance. After this period, an open oral food challenge (OOFC) will be performed to assess the achievement of sustained unresponsiveness. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05163574
Study type Interventional
Source Medical University of Warsaw
Contact Magdalena Chojnowska-Wójtowicz, MD
Phone 22-317-9431
Email magdalena.chojnowska@uckwum.pl
Status Recruiting
Phase N/A
Start date February 5, 2022
Completion date June 30, 2024
View Details
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