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New urine test could improve fluid removal after heart surgery

NCT ID NCT07077772

Disease control Sponsor: Centre Hospitalier Universitaire, Amiens 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether using a simple urine test to guide the dose of a water pill (furosemide) can safely and effectively remove excess fluid after heart surgery. About 102 adults having heart surgery with a heart-lung machine will be randomly assigned to either standard care or the urine-guided approach. The goal is to see if this method leads to better fluid removal and fewer complications.

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

About 102 people

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

Started

Jun 2025

Expected to finish

Oct 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.

Ages

18 years and older

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: * Adult patient (age \> 18 years) * Scheduled for cardiac surgery, including mitral valve repair or replacement, aortic valve replacement, coronary artery bypass grafting (CABG), ascending aortic repair, or combined procedures * Undergoing surgery with cardiopulmonary bypass (CPB) * Eligible to receive intravenous furosemide for fluid overload within 48 hours following surgery, as prescribed by the referring physician * Written and oral informed consent obtained * Covered by the French national health insurance (Sécurité Sociale) Exclusion Criteria: * Aortic arch repair requiring deep hypothermic circulatory arrest * Active endocarditis * Hemodynamic instability requiring vasopressor or inotropic support (norepinephrine, dobutamine, epinephrine, or vasopressin) * Failure to wean from CPB requiring mechanical circulatory support * Chronic kidney disease with an estimated glomerular filtration rate (eGFR) \< 60 mL/min * Chronic use of loop diuretics * Known allergy to furosemide * Active postoperative bleeding and/or reoperation for bleeding * Participation in another interventional study that may affect the primary outcome measure * Patient deprived of liberty by administrative or judicial decision, or placed under legal protection (guardianship or curatorship)

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Conditions

The condition(s) this trial relates to.

Edema Hyperemia Hyponatremia venous insufficiency water intoxication

As listed by the trial registrant

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

Cardiac surgery Congestion, venous Diuresis Fluid over-load Sodium depletion

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

  • CHU Amiens Picardie

    RECRUITING

    Amiens, 80000, France

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