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Can brain scans reveal hidden effects of fetal growth restriction?

NCT ID NCT07769957

Knowledge-focused Sponsor: Istanbul Training and Research 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 18, 2026 · Last updated Aug 21, 2026 · Updated 3 times

Summary

This study uses specialized MRI to look at the brains of fetuses with fetal growth restriction (FGR) compared to healthy controls. Researchers will measure water movement in specific brain regions to see if there are differences, and whether these relate to blood flow changes in the middle cerebral artery. The goal is to better understand how FGR may affect brain development before birth.

What this could mean

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

Active substance
Diffusion-weighted fetal brain MRI
What this could lead to
If successful, this could improve understanding of how fetal growth restriction affects brain development, potentially guiding earlier detection or monitoring.
What could go wrong
This is an observational study, so it cannot prove cause and effect. Results may be limited by the small number of participants and may not apply to all pregnancies.

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 120 people

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

Started

Mar 2026

Expected to finish

Dec 2030

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

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 women with singleton pregnancies between 28 and 38 weeks of gestation who are followed at the Perinatology and Obstetrics and Gynecology outpatient clinics will be recruited. The study population will include pregnancies complicated by fetal growth restriction (FGR) and healthy control pregnancies with fetuses appropriate for gestational age (AGA). Participants will be classified into three groups according to fetal growth and middle cerebral artery (MCA) Doppler findings: FGR with normal MCA Doppler findings, FGR with MCA Doppler redistribution, and AGA healthy controls with normal Doppler findings.

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: * Singleton pregnancy * Gestational age between 28 and 38 weeks * Maternal age between 18 and 45 years * For the FGR groups: estimated fetal weight (EFW) below the 10th percentile and/or abdominal circumference (AC) below the 10th percentile * For the control group: EFW and AC between the 10th and 90th percentiles, normal fetal Doppler findings, and no major structural anomaly on fetal anatomical examination * Written informed consent for participation in the study Exclusion Criteria: * Multiple pregnancy * Major fetal structural anomaly or diagnosed chromosomal abnormality * Contraindication to MRI, such as an MRI-incompatible implant * Maternal uncontrolled diabetes mellitus, significant thyroid disease, severe uncontrolled chronic hypertension, or other significant systemic chronic disease * Maternal age below 18 or above 45 years * Inability or unwillingness to provide informed consent or cooperate with study procedures

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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.

Fetal growth restriction (FGR)

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

  • Istanbul Training and Research Hospital Department of Obstetrics and Gynecology

    RECRUITING

    Istanbul, Turkey (Türkiye)

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