Wireless pacemaker takes on traditional device in heart study
NCT ID NCT05498376
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares a new leadless pacemaker (Micra AV) to a standard dual-chamber pacemaker in 100 patients aged 70 and older with heart block. The goal is to see if the leadless version works just as well for exercise capacity. Participants are randomly assigned to receive one of the two devices, and their exercise ability is measured after implantation.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Leadless pacemaker (Micra AV) and conventional dual-chamber pacemaker
What this could lead to
If successful, this could show that a leadless pacemaker works as well as a traditional one for maintaining exercise ability, offering a less invasive option with fewer complications.
What could go wrong
This is a small, single-center trial with only 100 participants, so results may not apply to everyone. The leadless device may not match the conventional one in performance, and long-term benefits are still uncertain.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Locations
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Inselspital, Bern University Hospital
Bern, 3010, Switzerland