Heart device tweak aims to help Non-Responders

NCT ID NCT04763460

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study planned to test a new way to program cardiac resynchronization therapy (CRT) devices for heart failure patients who didn't get enough benefit from standard settings. Researchers would use ECG and cardiac MRI to find the best device settings and measure changes in heart function. However, the study was withdrawn before any participants were enrolled.

What this could mean

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

Active substance

CRT device programming optimization

What this could lead to

If successful, this could lead to better ways to program CRT devices for heart failure patients who don't respond to standard settings.

What could go wrong

The study was withdrawn before enrolling any participants, so no results are available. It's unclear if the approach would work in practice.

Disclaimer Read more

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.

heart failure systolic heart failure

As listed by the trial registrant

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

Contacts and locations

Locations

  • Minneapolis Heart Institute - Abbott Northwestern Hospital (MHI West)

    Minneapolis, Minnesota, 55407, United States

  • United Heart & Vascular Clinic - Nasseff Specialty Center (MHI East)

    Saint Paul, Minnesota, 55102, United States