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Healthy kids help create new lung test standards

NCT ID NCT07207720

Knowledge-focused Sponsor: Medical University of Gdansk 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 measured lung function in 2000 healthy Polish children and teens aged 3-18 to create normal reference values for a test called respiratory oscillometry. The goal is to help doctors better diagnose and monitor lung diseases in young patients. Participants had no chronic lung conditions or recent infections.

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

2,000 people

The number who actually took part.

Started

Jan 2023

Finished

Jul 2025

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

Healthy Polish children and adolescents aged 3 to 18 years. Participants are recruited from schools, kindergartens, and pediatric outpatient clinics across 12 centers in Poland. Only individuals without chronic respiratory diseases or recent respiratory infections are eligible.

Ages

3 to 18 years

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:1. Age between 3 and 18 years. 2. Caucasian race (Born and residing in Poland). 3. Absence of chronic respiratory disease or acute respiratory symptoms at the time of testing. 4\. Written informed consent from a parent/legal guardian (for participants \<16 years) or from the participant if ≥16 years. \- Exclusion Criteria:1. History of chronic lung disease (e.g., asthma, cystic fibrosis, bronchopulmonary dysplasia, interstitial lung disease). 2\. Acute respiratory infection within 4 weeks before testing. 3. Severe chronic comorbidities (e.g., congenital heart disease, neuromuscular disorders). 4\. Chest deformation 5. Inability to perform oscillometry according to ERS standards. \-

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As listed by the trial registrant

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

Healthy Pulmonary function test

Contacts and locations

Locations

  • Medical University of Gdańsk

    Gdansk, Gdańsk, 80-211, Poland

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