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A simpler breath test could sharpen asthma diagnosis in kids

NCT ID NCT07771608

Diagnosis Sponsor: Central Hospital, Nancy, France Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 18, 2026 · Last updated Aug 20, 2026 · Updated 2 times

Summary

This study tests whether a new breathing measurement, called respiratory admittance, can better identify children who have asthma triggered by exercise. Children aged 5 to 16 who are already scheduled for an exercise challenge test will have their breathing measured using this new technique alongside standard tests. The goal is to see if respiratory admittance is more accurate than current methods at distinguishing children with a positive exercise response from those without.

What this could mean

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

Active substance
Respiratory admittance measurement during an exercise challenge test
What this could lead to
If respiratory admittance proves more accurate, it could offer a simpler, more reliable way to diagnose exercise-induced asthma in children.
What could go wrong
This is an observational diagnostic study, not a treatment trial. The new measure may not outperform existing tests, and results may not apply beyond the specific pediatric population studied.

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 144 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Sep 2026

An estimate. End dates often move.

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.

Who is studied

Data of children aged 5 to 16 years addressed by the pediatric pulmonologist to an exercise challenge test between January 2023 and April 2026 to the Pediatric Function Testing Department who have oscillometric and spirometric interpretable and reproducible measurements

Ages

5 to 16 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: * Children aged 5 to 16 years * Children addressed by the pediatric pulmonologist to an exercise challenge test between January 2023 and April 2026 * Children with interpretable and reproducible oscillometric measurements * Children with interpretable and reproducible spirometric measurements Exclusion Criteria: * Children who performed only spirometric measurements * Children who performed only oscillometric measurements * Children whose oscillometric and spirometric measurements are non-interpretable * Children whose oscillometric and spirometric measurements are non-reproducible

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Conditions

The condition(s) this trial relates to.

asthma disease

As listed by the trial registrant

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

Asthma (diagnosis)

How to take part

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  1. The official record

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    Open the record ↗

  2. A doctor treating you

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