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Could a gentle breathing test replace hard blowing for Kids' asthma checks?

NCT ID NCT05734261

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

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Last updated Sep 11, 2026

Summary

Doctors often use a methacholine challenge to help diagnose asthma in children, but the standard breathing test requires strong cooperation and can fail if a child cannot blow hard enough. This study tests whether a gentler method called forced oscillation, which measures how the lungs respond to small air pulses, can predict the results of the standard test. Researchers will compare the two methods in children aged 6 to 16 who are referred for asthma testing. The goal is to see if forced oscillation offers a reliable, easier alternative.

What this could mean

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

Active substance
forced oscillation technique using the Tremoflo airway oscillation system
What this could lead to
If it works, children could one day take a breathing test that needs less effort than blowing into a spirometer, making asthma testing easier and more reliable.
What could go wrong
The approach may not match spirometry results closely enough, and the study is small and single-center, so findings might not apply everywhere.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 112 people

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

Started

Sep 2023

Expected to finish

Feb 2027

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.

Ages

6 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: * Age between 6 and 16 years * FEV1 \> 60% * Child referred to the pulmonary function test laboratory for a non-specific bronchial hyperactivity test with methacholine * Child under treatment with inhaled corticosteroids stopped for at least 3 weeks * Oral consent from the child and at least one of the legal representatives * Child affiliated or benefiting from a social security plan Exclusion Criteria: * Use of a short-acting beta-adrenergic bronchodilator within the last 6 hours or anticholinergic bronchodilator within the last 12 hours * Use of a long-acting beta-adrenergic bronchodilator (licensed for use in children) in the past 36 hours * Upper or lower respiratory tract infections within 3 weeks prior to inclusion * Epilepsy under treatment * Subject's participation in another interventional study that may alter respiratory function * Patient unable to give consent, vulnerable

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Conditions

The condition(s) this trial relates to.

asthma childhood onset asthma disease

As listed by the trial registrant

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

Asthma in children

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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.

Contacts and locations

Locations

  • CHU de Montpellier

    RECRUITING

    Montpellier, France

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