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Womb balloon may boost lung growth in severe birth defect

NCT ID NCT02530073

Disease control Sponsor: Connecticut Children's Medical Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 trial tests a procedure called FETO, where a small balloon is placed in the windpipe of a fetus with severe left congenital diaphragmatic hernia (CDH). The balloon blocks the airway temporarily, which may help the lungs grow larger before birth. The study includes pregnant women carrying a fetus with severe CDH and aims to see if the procedure is safe and improves survival after delivery.

What this could mean

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

Active substance
Fetoscopic Endoluminal Tracheal Occlusion (FETO) balloon device
What this could lead to
If successful, this procedure could improve survival for babies with severe congenital diaphragmatic hernia by allowing their lungs to grow before birth.
What could go wrong
This is a small pilot study with only 15 participants, so results may not apply to everyone. The procedure carries risks for both mother and fetus, including preterm labor or complications from the balloon placement.

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 15 people

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

Started

Sep 2015

Expected to finish

Aug 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.

Ages

18 years and older

Sex

Female participants only

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: * Pregnant women age 18 years and older, who are able to consent * Singleton pregnancy Fetal * Normal Karyotype * Fetal Diagnosis of Isolated Left CDH with liver up * Gestation at enrollment prior to 29 wks plus 6 days * SEVERE pulmonary hypoplasia with Ultra Sound O/E LHR \< 25% Exclusion Criteria: * Pregnant women \<18 years of age. * Maternal contraindication to fetoscopic surgery or severe maternal medical condition in pregnancy * Technical limitations precluding fetoscopic surgery * Rubber latex allergy * Preterm labor, cervix shortened (\<15 mm at enrollment or within 24 hours of FETO balloon insertion procedure) or uterine anomaly strongly predisposing to preterm labor, placenta previa * Psychosocial ineligibility, precluding consent * Diaphragmatic hernia: right-sided or bilateral, major associated anomalies, isolated left-sided with the O/E LHR ≥ 25% * Inability to remain at FETO site during time period of tracheal occlusion, delivery and postnatal care

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Conditions

The condition(s) this trial relates to.

congenital diaphragmatic hernia

As listed by the trial registrant

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

Congenital diaphragmatic hernias

How to take part

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

  1. The places running it

    1 site. 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

  • Connecticut Children's Medical Center

    RECRUITING

    Hartford, Connecticut, 06106, United States