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Blood test could replace risky food challenges for kids with allergies

NCT ID NCT01966640

Diagnosis Sponsor: University Hospital, Rouen Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a blood test called the Basophil Activation Test (BAT) to see if it can accurately diagnose peanut and egg allergies in children. Currently, the gold standard is an oral food challenge, which can cause severe allergic reactions. The researchers compared BAT results to those from food challenges in 140 children to see if the blood test could be a safer alternative.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Basophil Activation Test (blood test)
What this could lead to
If successful, this blood test could replace risky oral food challenges for diagnosing peanut and egg allergies in children, making diagnosis safer and easier.
What could go wrong
This is a single study with 140 children, and the test may not be accurate enough to replace current methods. It also only looks at two allergens.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

140 people

The number who actually took part.

Started

Sep 2013

Finished

Jan 2019

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

6 months to 18 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Child older than 6 months and less than 18 years old * Diagnosis of type I allergy to peanut or egg * oral provocation test to peanut or egg programmed Exclusion Criteria: * No possibility to assess blood sample

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Conditions

The condition(s) this trial relates to.

food allergy Peanut Hypersensitivity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Allergy to egg Allergy to peanut

Contacts and locations

Locations

  • UH Rouen

    Rouen, 76031, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.