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Tiny noses, big clues: study hopes nose bugs predict preterm lung disease

NCT ID NCT07411261

Knowledge-focused Sponsor: University Hospital, Caen 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study follows 270 preterm babies (born before 32 weeks) from birth to age 3. Researchers will regularly swab their noses to analyze the bacteria and other microbes living there. The goal is to see if the nose microbiome can predict which babies will develop bronchopulmonary dysplasia (a chronic lung disease) or later asthma and infections. This is an observational study, meaning no new treatment is being tested.

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 a way to predict which preterm babies are at risk for lung problems, allowing for earlier monitoring or treatment.
What could go wrong
This is an observational study, not a treatment trial. It may not find a clear link between the microbiome and lung disease, or the results may not apply to all preterm infants.

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 270 people

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

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Mar 2031

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

Up to 72 hours

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: * Preterm infants with gestational age at birth lower than 32 gestational weeks and 6 days. * Hospital stay in one of the participant neonatal care units * Infants covered by the social security system of at least one of their parents * Whose parents have been informed about the study and agree to sign the informed consent form Exclusion Criteria: * Palliative care only * Lack of parental consent * Parents who are minors or under legal protection (guardianship, conservatorship, judicial protection) * Parents who do not speak French

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Conditions

The condition(s) this trial relates to.

asthma bronchiolitis bronchopulmonary dysplasia childhood onset asthma Dysbiosis Inflammation Premature Birth respiratory tract infectious disorder viral respiratory tract infection

As listed by the trial registrant

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

Asthma childhood Bronchiolitis Bronchopulmonary dysplasia Preterm infant development Viral respiratory tract infections

How to take part

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

  1. The places running it

    6 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

  • Service de néonatalogie, CH Cherbourg-en-Cotentin

    Cherbourg, 50000, France

  • Service de néonatalogie, CHRU de Lille

    Lille, 59000, France

  • Service de néonatalogie, CHU d'Amiens

    Amiens, 80000, France

  • Service de néonatalogie, CHU de Caen

    Caen, 14000, France

  • Service de néonatalogie, CHU de Rouen

    Rouen, 76000, France

  • Service de néonatalogie, GHT du Havre

    Le Havre, 76600, France

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