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3D heart mapping may sharpen pacemaker precision

NCT ID NCT05884359

Knowledge-focused Sponsor: Steward St. Elizabeth's Medical Center of Boston, Inc. 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 22, 2026 · Updated 2 times

Summary

This study uses 3D mapping to explore the electrical and structural features of a specific area in the heart called the left bundle branch area. The goal is to improve how pacemaker leads are placed in that region. Researchers will review data from 30 patients, ages 18 to 88, who are already scheduled for a pacemaker implant. The study does not test a new treatment but aims to gather knowledge to guide future procedures.

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 30 people

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

Started

Jun 2023

Expected to finish

Dec 2028

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

All adult patients ages 18 through 88 that undergo Left Bundle Branch area pacemaker implantation for standard pacemaker indications at one location (Steward St. Elizabeth Medical Center).

Ages

18 to 88 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: * 30 consecutive patients ages 18 through 88 that undergo Left Bundle Branch area pacemaker implantation. Exclusion Criteria: * Recent MI-less than 3 months * Recent Percutaneous Coronary Revascularization-less than 2 weeks * Recent Open-Heart Procedures (CABG, Valvular procedures, etc.)-less than 1 month * Patients who are acutely ill and unstable, from the investigator's perspective, but require an urgent permanent pacemaker

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Conditions

The condition(s) this trial relates to.

progressive familial heart block, type 1A

As listed by the trial registrant

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

Left bundle branch block Pacemaker DDD

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

  • St. Elizabeth's Medical Center

    RECRUITING

    Boston, Massachusetts, 02135, United States

More trials for these conditions

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