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Can a simple blood test pinpoint peanut allergy?

NCT ID NCT07775430

Diagnosis Sponsor: Bühlmann Laboratories AG 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 20, 2026 · Last updated Aug 21, 2026 · Updated 1 time

Summary

This trial evaluates whether a blood test called Flow CAST® can accurately identify peanut allergy. Researchers will compare results from people with peanut allergy, people with other allergies, and healthy controls. The goal is to see if this test can reliably distinguish those who are truly allergic to peanuts from those who are not.

What this could mean

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

Active substance
Flow CAST®, a basophil activation test that measures how white blood cells react to peanut allergens in a blood sample
What this could lead to
If successful, this blood test could offer a more accurate and less risky way to diagnose peanut allergy compared to current methods.
What could go wrong
The test may not be accurate enough to replace existing diagnostics, and results from this trial may not apply to all populations.

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.

Participants

About 245 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Who is studied

Adult subjects and pediatric subjects of at least 6 months of age are eligible for study enrollment.

Ages

6 months and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Individual undergoing a blood draw * Individual willing and able to provide two additional tubes of blood (3ml each tube) for research purposes * Individual or legal guardian will and able to sign the informed consent form to participate in the study Exclusion Criteria: * Individual has undergone immunotherapy for peanuts or other identified allergens that have been shown to cause allergic symptoms * Individual has been exposed to systemically administered glucocorticoids within the last 24 hours. * Individual has been recently exposed to small molecule immunosuppressive medications * Individual has been recently exposed to treatment with biologics interfering with the type-I allergic pathway * Individual is currently involved in another "allergy treatment related" clinical research study

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Conditions

The condition(s) this trial relates to.

allergic disease food allergy Peanut Hypersensitivity

As listed by the trial registrant

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

Peanut allergies

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

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