Micro heart lead shows promise in early test

NCT ID NCT04156412

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This pilot study tested a very small, specially shaped heart lead (less than 2 French) in 39 adults getting a cardiac resynchronization therapy device. The goal was to see if the lead could successfully pace the left ventricle from two distant spots. Researchers measured pacing success, electrical performance, and any problems during the implant procedure.

What this could mean

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

Active substance
new micro multipolar heart lead (device)
What this could lead to
If successful, this tiny lead could make cardiac resynchronization therapy more precise and easier to implant for heart failure patients.
What could go wrong
This is a very small, early pilot study with only 39 patients. The lead may not work better than standard leads, and there are risks from the implant procedure itself.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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

  • Bordeaux University Hospital

    Bordeaux, France

  • Clermont-Ferrand University Hospital

    Clermont-Ferrand, France

  • Hospital Universitari Germans Trias i Pujol

    Badalona, Spain

  • Hospital Universitario y Politécnico La Fe

    Valencia, Spain

  • Lille University Hospital

    Lille, France

  • Rennes University Hospital

    Rennes, France

  • Rouen University Hospital

    Rouen, France

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