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Oral Low Doses Tolerance INduction Study for Peanuts

Study Purpose

Several protocols have been proposed in scientifis literature, for oral tolerance induction (OIT) protocols for peanuts. A meta-analysis showed that the data in the literature are rather in favor of the exclusion of peanuts, and that OIT doesn't allow to expect significant levels of peanut protein consumed by the patient, and is associated with an increased risk of anaphylaxis and epinephrine use. Also, in most published protocols, patients with a history of anaphylactic shock, severe asthma, or multiple history of anaphylaxis are excluded. To date, no protocol has been validated for this type of treatment, and each center follows locally validated schemes. In our unit, the investigators use an OIT protocol that starts at low doses (first dose at 2.68 mg peanut protein) and doses increase is scheduled every 4 to 12 weeks (instead of every 2 weeks). The investigators do not exclude patients with asthma or those with a history of peanut anaphylaxis (grade 2 or 3). The investigators have noted that our protocol is associated with a good safety profile and good efficacy, probably due to the fact that the investigators start at low doses and increase the dose with a prolonged delay, compared to previously published protocols. For this reason, the investigators decided to evaluate the results the investigators obtained in our patients and to better analyze the efficacy and safety profile of our protocol.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

No
Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


Searching Both is inclusive of interventional and observational studies.

Observational
Eligible Ages 5 Years - 65 Years
Gender All
More Inclusion & Exclusion Criteria

Inclusion criteria:

  • - Patients evaluated at the Montpellier University Hospital, Allergy Unit ; - Patients aged 5 years or older; - Patients with a history of immediate reaction after consuming peanuts.
  • - AND a positive peanut prick test; - AND peanut positive specific serum IgE (ImmunoCAP®); - AND a positive oral peanut challenge test OR a clinical history of anaphylaxis AND peanut-specific IgE> 100 kUA / L (ImmunoCAP®); - Patients who started peanut OIT between September 2018 and January 2021.

Exclusion criteria:

  • - Patients in exclusion period determined by a previous study; - Patients under legal protection, under guardianship or under curatorship; - Possible poor therapeutic compliance to the OIT protocol; - Active malignant neoplasia or autoimmune disease; - Active eosinophilic esophagitis or other gastrointestinal eosinophilic disorders; - Severe active eczema; - Pregnancy ; - Cardiovascular disease and use of beta blockers and / or ACE inhibitors; - Chronic urticaria; - Mastocytosis.

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

NCT04881773
Phase

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

University Hospital, Montpellier
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Davide CAIMMI
Principal Investigator Affiliation University Hospital, Montpellier
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Other
Overall Status Active, not recruiting
Countries France
Conditions

The disease, disorder, syndrome, illness, or injury that is being studied.

Peanut Allergy

Contact a Trial Team

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International Sites

Uhmontpellier, Montpellier, France

Status

Address

Uhmontpellier

Montpellier, , 34295

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