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MRI could help doctors decide when to deliver babies at risk of stillbirth

NCT ID NCT02297724

Knowledge-focused Sponsor: Boston Children's Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study uses MRI scans to measure how well oxygen moves through the placenta in pregnancies complicated by intrauterine growth restriction (IUGR), where the baby is not growing as expected. Researchers will compare MRI results with placenta tissue after birth and track the baby's growth afterward. The goal is to develop a safe, non-invasive way to identify which babies are at highest risk and need early delivery.

What this could mean

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

Active substance
oxygen
What this could lead to
If successful, this could lead to a non-invasive MRI test that helps doctors decide the safest time to deliver babies with growth problems, potentially reducing stillbirths.
What could go wrong
This is an early-stage observational study with only 80 participants. The MRI methods may not prove reliable enough for routine clinical use, and results may not apply to all types of IUGR.

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 80 people

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

Start date

Apr 2014

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

* pregnant mothers with twin gestation with diagnosis of selective IUGR * pregnant mothers with singleton gestation with diagnosis of IUGR * singleton pregnant mothers and twin pregnant mothers with no apparent medical complication on fetuses

Ages

18 to 45 years

Sex

Female participants only

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. The pregnant mother with twin gestation with diagnosis of selective IUGR based upon obstetrical US findings as following: * Proven monochorionicity / dichorionicity * Discordance in estimated fetal weight (EFW). Growth restriction (\<10 percentile of norm) in one or both fetus(es) AND/OR growth discordance (\> or = 20%) between twin fetuses. 2. The pregnant mother with singleton gestation with diagnosis of IUGR based upon obstetrical US findings as following: * Proven singleton gestation * Growth restriction of fetus (\<10 percentile of norm) * Doppler measurements that indicates placental insufficiency: umbilical artery, middle cerebral artery, uterine artery; or oligohydramnios. 3. Gestational age: Bigger than 18 weeks. 4. Pregnant mother is between age 18 to 45, clinically stable and can safely tolerate fetal MRI study. Exclusion Criteria: Fetuses/infants with the following features will be excluded. 1. Fetus/infant with chromosomal anomalies or known genetic disorders. 2. Fetus/infant with other major congenital malformation. 3. Presence of any condition or abnormality that in the opinion of the Investigator would compromise the safety of the patient, quality or completeness of the data. Pregnant mothers with the following features will be excluded. 1. Mothers with contraindication to MRI (with pacemaker, metal in body, oversize). 2. Mothers with claustrophobia 3. Mothers medically unstable for the MRI study

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Conditions

The condition(s) this trial relates to.

fetal growth restriction

As listed by the trial registrant

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

Intrauterine growth restriction

How to take part

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

  1. The places running it

    2 sites in 2 countries. 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

  • Boston Children's Hospital

    RECRUITING

    Boston, Massachusetts, 02115, United States

  • Hospital Universitario de Fuenlabrada

    RECRUITING

    Madrid, 28942, Spain

More trials for these conditions

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