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6,000 kids help solve breathing mysteries

NCT ID NCT03505216

Knowledge-focused Sponsor: University of Bern 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 follows 6,000 children in Switzerland who have breathing issues like wheezing, coughing, or trouble breathing during exercise. Researchers collect information from doctor visits and surveys to better understand these problems and improve care. The goal is to learn more about different types of breathing conditions and how to diagnose and treat them.

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 6,000 people

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

Started

Jun 2017

Expected to finish

Jun 2030

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

Paediatric pulmonology outpatient clinics in Switzerland

Ages

0 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 and adolescents aged 0-16 years * Resident in Switzerland * Seen in a paediatric pulmonary outpatient clinic due to respiratory problems * Parents and patients above age 14 must be able to sign an informed consent form Exclusion Criteria: Prior diagnosis of cystic fibrosis, primary ciliary dyskinesia, severe heart disease, oncological disease, neuromuscular disease or severe disability

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Conditions

The condition(s) this trial relates to.

asthma Asthma, Exercise-Induced Cough exercise-induced bronchoconstriction laryngostenosis Respiratory Sounds

As listed by the trial registrant

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

Asthma Cough Dysfunctional breathing Exercise induced bronchospasm Inspiratory laryngeal obstruction Wheezing

How to take part

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

  1. The places running it

    9 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

  • Children's Hospital Chur

    RECRUITING

    Chur, Switzerland

  • Children's hospital Aarau

    ACTIVE_NOT_RECRUITING

    Aarau, Switzerland

  • Children's hospital Lucerne

    RECRUITING

    Lucerne, Switzerland

  • Children's hospital St. Gallen

    ACTIVE_NOT_RECRUITING

    Sankt Gallen, Switzerland

  • Institute of Social and Preventive Medicine

    RECRUITING

    Bern, 3012, Switzerland

  • Pulmonology clinic, Horgen

    RECRUITING

    Horgen, Switzerland

  • Pulmonology clinic, Worb

    RECRUITING

    Worb, Switzerland

  • University Children's Hospital Bern, Inselspital

    RECRUITING

    Bern, Switzerland

  • University Children's Hospital Zurich

    RECRUITING

    Zurich, Switzerland

  • University Children's hospital Basel, UKBB

    RECRUITING

    Basel, Switzerland

  • University Children's hospital Lausane, CHUV

    RECRUITING

    Lausanne, Switzerland

  • Vienna Open Medical Institute

    COMPLETED

    Vienna, Austria

More trials for these conditions

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