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Tiny Pacemaker's position may change how heart beats

NCT ID NCT06910059

Knowledge-focused Sponsor: Medtronic Cardiac Rhythm and Heart Failure 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 watches 40 adults who need a leadless pacemaker to see if where the device sits inside the heart changes heart rhythm or pumping strength. Researchers will use CT scans and ECGs to check heart function and valve leakage. The goal is to find the best spot for the pacemaker to improve heart health.

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 40 people

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

Started

Jun 2025

Expected to finish

Aug 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

This study will enroll up to 40 subjects in site. Patients with pacing indications who plan to receive Micra AV implantation will be selected.

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: * Patients aged above 18 years old * Patients who are willing to provide Informed Consent * Patients with Class I or II indications who plan to receive a leadless pacemaker, including SSS, AVB, AF with bradycardia, etc. * Patients who plan to conduct a cardiac CT scan after implantation Exclusion Criteria: * Patients with lead retention * Patients had heart valve replacement * Patients diagnosed with ischemic heart diseases * Patients who are allergic to or refuse to use contrast in CT scans * Patients who are pregnant or have a plan for pregnancy during the study * Patients with medical conditions that would limit study participation * Patients already enrolled in another clinical trial which would impact participation of this study

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Conditions

The condition(s) this trial relates to.

atrial fibrillation atrioventricular block sick sinus syndrome

As listed by the trial registrant

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

Atrial fibrillation (AF) Av block Bradycardia sinus

Contacts and locations

Locations

  • The First Teaching Hospital of Xinjiang Medical University

    Ürümqi, Xinjiang, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.