Blood marker may flag infants at risk for sudden death

NCT ID NCT03278977

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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
The trial has finished. Results may not be published yet.
Stopped early This study
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

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Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 10, 2026 · Last updated Jul 10, 2026

Summary

This study investigates whether a specific molecule (M2R) in the blood can identify infants under one year old who are at risk for apparent life-threatening events (ALTE), which can lead to severe complications or sudden death. Researchers will compare blood samples from infants who have experienced severe, unexplained ALTE with those from healthy infants and infants with known causes for their event. The goal is to validate M2R as a risk marker, potentially enabling earlier diagnosis and prevention.

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 simple blood test to identify infants at risk for life-threatening events, potentially preventing sudden infant death.
What could go wrong
This is a small, early-stage study with only 12 infants. The blood marker may not prove reliable enough for widespread use, and more research will be needed.

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

12 people

The number who actually took part.

Started

Sep 2018

Finished

May 2022

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

28 days to 12 months

Sex

Anyone

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: * Infant aged between 28 days and 12 months, presenting severe syncope(s) requiring medical management, hospitalized in a pediatric intensive care unit or pediatric emergencies * Consent signed and dated by the legal representatives * Patients affiliated to a social security system Exclusion Criteria: * Infant with known cardiovascular, neurologic, infectious, toxic or metabolic pathologies before enrollment (before the syncope) * Subject on medication for more than 3 months before enrollment * Impossibility to clearly inform the legal representatives (comprehension problems) * Subject in exclusion period for clinical trial (previous or current study)

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Conditions

The condition(s) this trial relates to.

Brief, Resolved, Unexplained Event Sudden Infant Death

As listed by the trial registrant

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

Contacts and locations

Locations

  • Pediatric Intensive Care Unit - Brabois Hospital - Nancy University Hospital

    Nancy, 54500, France

  • Pediatric Intensive Care unit/Emergency unit - Besançon University Hospital

    Besançon, 25030, France

  • Pediatric intensive care unit/ Pediatric unit- Strasbourg University Hospital - Hautepierre Hospital

    Strasbourg, 67200, France

  • Pediatric unit - Maison Blanche Hospital - Reims University Hospital

    Reims, 51092, France