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New monitor could make heart surgery safer by tracking oxygen without needles

NCT ID NCT07573306

Knowledge-focused Sponsor: University of Minnesota Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 19, 2026 · Updated 4 times

Summary

This study will test whether a noninvasive device can accurately measure how much oxygen is being delivered to the body during heart surgery. Researchers will compare readings from the new monitor to those from standard invasive catheters in 150 adult patients. If the new method works well, it could reduce the need for invasive monitoring and improve patient care.

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 less invasive way to monitor oxygen delivery during heart surgery, improving patient comfort and safety.
What could go wrong
This is an early feasibility study, so the monitor may not prove accurate enough. It only includes 150 patients, and results may not apply to all heart surgery cases.

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 150 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Aug 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

Adults undergoing cardiac surgery

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: * Adults ≥ 18 years undergoing cardiac surgery * Placement of pulmonary artery catheter with continuous cardiac output (CCO) as part of routine clinical care * Placement of arterial line with FloTrac as part of routine clinical care * Availability of ≥ 3 arterial blood gas samples at specified timepoints Exclusion Criteria: * Mechanical circulatory support planned or in use (IABP, Impella, ECMO) * Patients without BOTH pulmonary artery catheter with CCO and arterial line with FloTrac * Patients who are Research Opt-Out

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As listed by the trial registrant

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

Cardiac surgery

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 of Minnesota

    Minneapolis, Minnesota, 55455, United States

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