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Premature Babies' lungs tracked into teen years

NCT ID NCT01424553

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study follows 355 teenagers who were born very prematurely (26–32 weeks) in 1997 in France. Researchers measure their lung function and breathing symptoms to see how preterm birth affects respiratory health later in life. It is an observational study, meaning no treatment is given—just careful monitoring.

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 study could reveal how premature birth affects lung health into adolescence, guiding future monitoring and care.
What could go wrong
This is an observational study, not a treatment trial. It only measures outcomes and cannot change them. Results may not apply to babies born today due to advances in care.

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

355 people

The number who actually took part.

Started

Oct 2011

Finished

Apr 2015

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

14 to 15 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 born in 1997, and included at birth in the French EPIPAGE cohort * Absence of severe neurologic impairment, with impossibility of reliable lung function tests * Acceptance of the child and his/her parents Exclusion criteria : * Severe neurologic impairment, with impossibility of reliable lung function tests * Absence of child's or parents' acceptance

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Conditions

The condition(s) this trial relates to.

Airway Obstruction asthma bronchopulmonary dysplasia

As listed by the trial registrant

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

Bronchopulmonary dysplasia Premature baby 26 to 32 weeks

Contacts and locations

Locations

  • Hopital Necker

    Paris, 75015, France

More trials for these conditions

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