Massive medicare study tracks tiny Pacemaker's Real-World safety
NCT ID NCT03039712
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study follows about 37,000 Medicare patients who received a Micra leadless pacemaker to treat slow heart rate (bradycardia). Researchers use insurance claims data to check for complications within 30 days and survival rates over two years. The goal is to meet a government requirement for coverage and to see how well the device works in everyday practice.
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
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About 37,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2017
- Expected to finish
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Jun 2029
An estimate. End dates often move.
- Lead sponsor
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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
The study cohort will include all Medicare patients with continuous claims data implanted with a Micra leadless pacemaker or a full-system single-chamber ventricular transvenous pacemaker in any US location.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: • Medicare beneficiaries implanted with a leadless pacemaker (CPT 0387T or 33274 or ICD-10 PCS 02HK3NZ) on or after the study start date will be included in the study. or • Medicare beneficiaries with implanted with a full system single-chamber ventricular transvenous pacemaker (CPT 33207 or ICD-10 PCS 0JH605Z or 0JH604Z and 02HK3JZ) on or after the study start date. Exclusion Criteria: • None
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Emory University
Atlanta, Georgia, 30308, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a pacemaker slip in through the neck vein?