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Fetal MRI study aims to sharpen prenatal diagnosis

NCT ID NCT04142606

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is testing whether adding fetal MRI to standard ultrasound can help doctors better see and diagnose congenital anomalies in unborn babies. Researchers will enroll 1500 pregnant women with single or twin pregnancies between 16 and 36 weeks. The goal is to see if MRI can provide clearer, more detailed images to improve diagnosis and planning.

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 show that fetal MRI provides clearer, more detailed images to help doctors better diagnose birth defects before birth.
What could go wrong
This is an observational study, not a treatment trial. It may not change current medical practice, and results depend on how well MRI works in real-world settings.

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 1,500 people

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

Started

Dec 2019

Expected to finish

Jun 2027

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 patients followed in the Fetal Medicine Department of the Necker-Enfants Malades hospital belonging to one of the following 4 groups: * Having prenatal ultrasound screening without detected abnormality * Having an ultrasound examination without abnormality detected but in whom ultrasound examination is not optimal (poor technical conditions, multiple pregnancies, obese patients) * Standardized prenatal screening with ultrasound examination finding an isolated anomaly that does not currently constitute a commonly accepted indication of fetal MRI * A medical termination of pregnancy, in addition to a fetopathological examination (virtopsy)

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: * patient ≥ 18 years * Single or twin pregnancy * gestational age≥ 16 WG and ≤ 36 WG based on cranio-caudal length (LCC) dating * Collection of the patient's consent Exclusion Criteria: contraindication to MRI * multiple pregnancies \> 2 * subsequent follow-up impossible * maternal condition contraindicates continuation of pregnancy * patient having to have an MRI examination as part of the normal clinical follow-up of her pregnancy (identified or strongly suspected echocardiographic abnormality on ultrasound, diaphragmatic dome hernia, CMV fetal infection, antecedent brain abnormality in siblings, STT operated)

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As listed by the trial registrant

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

Pregnancy

How to take part

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  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

  • Necker - Enfants Malades Hospital

    RECRUITING

    Paris, 75015, France

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