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New MRI test could detect hidden placental issues in pregnancy

NCT ID NCT02238301

Diagnosis 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 · Updated 1 time

Summary

This study tested whether functional MRI can detect differences in oxygen flow in the placenta and fetus between healthy pregnancies and those with intrauterine growth restriction (IUGR). Pregnant women breathed pure oxygen while MRI scans measured the BOLD effect, a signal change related to oxygen levels. The goal was to see if this non-invasive method could identify placental insufficiency, which causes poor fetal growth.

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 non-invasive way to diagnose placental problems early in pregnancy.
What could go wrong
This is an early-stage study focused on developing the imaging technique, not a treatment. It may not translate into routine clinical use.

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

101 people

The number who actually took part.

Started

Feb 2015

Finished

Sep 2019

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: * Major patient * Patient with a singleton pregnancy * Patient between 18 and 37 gestational weeks * Informed consent signed by the patient * Patient affiliated to a social security scheme (beneficiary or assignee) Specific criteria for patients with a eutrophic fetus * Patient with fetal eutrophic on sonographic fetal weight estimation Specific criteria for patients with an IUGR-fetus Patient with a fetus presenting intra-uterine growth restriction diagnosed by ultrasound (\<5th percentile). Exclusion Criteria: * Patient with the usual contra-indications for MRI * Patient with an abdominal circumference\> 125 cm * Patient with a multiple pregnancy * Patient with placenta accreta or percreta * Patient with a pregnancy after long history of infertility and medically assisted procreation

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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

Contacts and locations

Locations

  • Necker - Enfants Malades Hospital (Assistance Publique des Hopitaux de Paris)

    Paris, 75015, France

More trials for these conditions

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