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Smart vest could help doctors place pacemaker leads more accurately

NCT ID NCT06509763

Knowledge-focused Sponsor: Hospital Clinic of Barcelona 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a special vest that creates detailed maps of the heart's electrical activity without any needles or surgery. Researchers used it during pacemaker lead implantation in 50 patients to see if it could confirm when the lead was in the right spot. The goal was to validate existing ECG criteria for left bundle branch pacing, which may help improve outcomes for people needing cardiac resynchronization therapy.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
ECGI system (non-invasive mapping vest)
What this could lead to
If successful, this could improve how doctors confirm correct lead placement during pacemaker implants, potentially making the procedure more reliable.
What could go wrong
This is a small, completed validation study, not a treatment trial. The findings may not change practice without larger confirmatory studies.

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

50 people

The number who actually took part.

Started

Sep 2022

Finished

Nov 2025

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 to 100 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: * Left bundle branch pacing indication * Capability of standing up to place the ECGI vest Exclusion Criteria: * Less than 18 years-old * Patients with cognitive impairment

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As listed by the trial registrant

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

Cardiac resynchronization therapy

Contacts and locations

Locations

  • Hospital Clinic de Barcelona

    Barcelona, Spain

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