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AI and Finger-Prick test could spot hidden heart failure in pacemaker patients

NCT ID NCT07372651

Diagnosis Sponsor: University of Leeds Source: ClinicalTrials.gov ↗

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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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at better ways to find heart failure in people with pacemakers. About 1 in 3 pacemaker patients may have undiagnosed heart failure, but current tests are expensive and time-consuming. Researchers will test if a handheld ultrasound with artificial intelligence or a finger-prick blood test can detect heart failure as accurately as a standard heart ultrasound. 150 adults with pacemakers will take part.

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.

Started

Oct 2025

Expected to finish

Sep 2026

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

Patients with previously implanted pacemakers for bradycardia.

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 patients aged ≥18 years * Patients with existing pacemakers who have a right ventricular pacing burden ≥20%. * Ability to provide informed consent Exclusion Criteria: * Patients who are unwilling or unable to provide informed consent. * Patients known to have heart failure * Patients with any previous measurement of left ventricular ejection fraction \<50%. * Patients with conduction system pacemakers. * Patients with cardiac resynchronisation therapy pacemakers/defibrillators. * Patients with implantable cardioverter defibrillators. * Patients with leadless pacemakers.

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Conditions

The condition(s) this trial relates to.

heart failure

As listed by the trial registrant

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

Heart failure Pacemaker

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Cardiovascular Research Facility, Leeds General Infirmary

    Leeds, LS1 3EX, United Kingdom

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