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Breath test could cut asthma diagnosis wait times

NCT ID NCT06981169

Diagnosis Sponsor: Université de Sherbrooke 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether measuring inflammation in the breath and blood can help doctors prioritize who gets lung tests first when asthma is suspected. About 1,500 people aged 6 and older will take part. The goal is to see if this approach reduces delays for those most at risk and improves the overall diagnostic process.

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 1,500 people

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

Started

Mar 2025

Expected to finish

Jul 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.

Who is studied

People with asthma-suggestive symptoms, referred to Sherbrooke Universty Hospital Center (CHU), CHU Sainte-Justine, and the Montreal Children's Hospital by a non-pulmonologist healthcare professional for asthma diagnosis (pre/post-bronchodilator spirometry and, if non-diagnostic, a methacholine bronchial provocation), will be scheduled for an appointment with the project's designated respiratory therapist .

Ages

6 years and older

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: * patients age 6 and older * referred by primary care ofr an asthma diagnostic test (spirometry or methacholine challenge) Exclusion Criteria: * referred by pulmonologist

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Conditions

The condition(s) this trial relates to.

asthma childhood onset asthma disease Inflammation inflammatory disease

As listed by the trial registrant

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

Asthma Asthma in children Inflammation

How to take part

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

  1. The places running it

    3 sites. 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 Sainte-Justine

    NOT_YET_RECRUITING

    Montreal, Quebec, H3T 1C5, Canada

  • CIUSSS de l'Estrie - CHUS

    RECRUITING

    Sherbrooke, Quebec, J1H 5N4, Canada

  • Montreal Children's Hospital

    NOT_YET_RECRUITING

    Montreal, Quebec, H4A 3H9, Canada

More trials for these conditions

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