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School air check: study ties pollutants to Kids' asthma

NCT ID NCT05997784

Knowledge-focused 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 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 monitors indoor air quality in 500 French schoolchildren's classrooms, measuring pollutants like chemicals, allergens, and microbes. Researchers will track asthma and allergy symptoms using questionnaires and lung function tests. The goal is to understand how combinations of pollutants affect children's health and to develop better monitoring and cleaning methods.

What this could mean

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

What this could lead to
If successful, this could lead to better guidelines for reducing indoor air pollution in schools to protect children's respiratory health.
What could go wrong
This is an observational study, not a treatment trial. It may find associations but cannot prove cause and effect, and results may not apply to all regions or climates.

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 500 people

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

Started

Jan 2025

Expected to finish

Sep 2028

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

A maximum of 500 schoolchildren at CM1 level (French education system), equally distributed between males and females, will derive from a maximum of eight primary schools and 2-3 classes of CM1 in each school, when available. Therefore, two-three classrooms per schools, in no more than 8 schools, each year, over 2 consecutive school years will be monitored, and children will be followed-up during 10 months. The selection of schools will be based on socioeconomic and air pollution criteria (differences between different regions of the participating centres) and whenever possible on annual reports on air quality (if available) from the respectively Directorate of Climate Change and Atmospheric Quality of the Ministry of Environment.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Child attending CM1 level at the beginning of the school year * Child in a classroom selected for the project * Child and caregiver(s) willing to follow the study procedures. Exclusion Criteria: Child or child's parents/guardian's who: * Refuse to participate to the project / to give informed consent * Do not want to use the application to fill the questionnaire and follow the protocol procedures. * Do not read or/and write in French * Plan a long stay outside the region that does not allow them to follow the visit plan

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Conditions

The condition(s) this trial relates to.

allergic disease Alzheimer disease asthma childhood onset asthma

As listed by the trial registrant

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

Allergy Asthma in children

Contacts and locations

Locations

  • University Hospital of Montpellier

    Montpellier, Occitanie, 34295, France

More trials for these conditions

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