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New blood test could spot heart failure in kids after surgery

NCT ID NCT07029230

Knowledge-focused Sponsor: Martin Schweiger 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is looking at a new blood marker called sST2 to see if it can better detect heart failure in children after congenital heart surgery. Researchers will measure sST2 levels in 225 children under 18 during and after surgery, and at a follow-up 9-12 months later. They will compare sST2 to standard markers to see if it is more reliable and less affected by factors like age or kidney injury.

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 more reliable blood test to detect heart failure early in children after heart surgery.
What could go wrong
This is an observational study, not a treatment trial. The marker may not prove more useful than existing tests, and results may not apply to all children.

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 225 people

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

Started

Sep 2025

Expected to finish

Jan 2029

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

All patients in defined age scheduled for congenital cardiac surgery

Ages

Up to 18 years

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: * Consented for cardiopulmonary bypass surgery for cardiac reason * Conversational skills in German (by child and/or representative) to be able to fully understand and sign a written consent in German language Exclusion Criteria: * Know genetic life limiting conditions * Syndrome patients who are scheduled or highly likely to be operated on more than one organ * Body weight at time of surgery less than 2.5 kg * Being recruited and enrolled for an interventional study protocol

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Conditions

The condition(s) this trial relates to.

congenital heart disease

As listed by the trial registrant

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

Congenital heart disease in children Congenital heart surgery Fontan physiology

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

  • University Children's Hospital Zurirch

    RECRUITING

    Zurich, Canton of Zurich, 8008, Switzerland

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