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Can a power calculation reveal how failing hearts lose energy?

NCT ID NCT06200246

Knowledge-focused Sponsor: St. Olavs Hospital 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Last updated Sep 11, 2026

Summary

Researchers at St. Olavs Hospital are studying how energy moves from the left ventricle to the arteries in people with acute left-sided heart failure caused by a heart attack, cardiomyopathy, or myocarditis. The pilot study enrolls 30 adults with a normal heart rhythm. Participants undergo measurements that feed into a calculation called total power, which estimates cardiovascular energy transfer. The goal is to see whether this approach can describe ventriculo-arterial coupling in heart failure.

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 the measurements prove reliable, they could give doctors a new way to judge how well a failing heart and its arteries work together, which may guide future treatment decisions.
What could go wrong
This is a small pilot study with 30 participants, so it can only show whether the measurement approach is feasible. It cannot prove that the numbers predict outcomes or that acting on them helps patients.

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

30 people

The number who actually took part.

Started

Oct 2022

Finished

Jul 2023

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

The study population comprises individuals experiencing decompensated heart failure within the first three days of hospital admission. It includes both newly diagnosed cases and individuals with a pre-existing heart failure diagnosis. The population is diverse, both regarding gender and etiology.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

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: Acute left ventricular failure due to: * Myocardial ischemia * Cardiomyopathy * Myocarditis Sinus rhythm Age \>18 years Exclusion Criteria: Cardiogenic shock Mechanical circulatory support Respiratory treatment Inotropic infusions Tachyarrhythmias Lack of capacity to consent

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Conditions

The condition(s) this trial relates to.

heart failure left ventricular failure

As listed by the trial registrant

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

Heart failure, left-sided

Contacts and locations

Locations

  • St Olav hospital

    Trondheim, Norway

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