Tiny zaps to the heart could boost pumping power in advanced heart failure
NCT ID NCT04662034
First seen Jan 04, 2026 · Last updated May 24, 2026 · Updated 34 times
Summary
This study tested a small implanted device that sends very mild electrical currents to the heart muscle. It included 70 people with advanced heart failure (NYHA class III–IV) whose hearts were pumping at 25–35% of normal. The goal was to see if this microcurrent therapy, added to standard medications, could improve the heart's pumping strength over six months. The device was turned off at the end of the 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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Contacts and locations
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Locations
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Bellvitge University Hospital
Barcelona, Spain
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Clinical Center of Serbia
Belgrade, Serbia
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Clinical Hospital Center Bezanijska Kosa
Belgrade, Serbia
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Clinical Hospital Dubrava
Zagreb, 10000, Croatia
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Diagnostic and Consultative Center Neoclinic Ead
Sofia, 1408, Bulgaria
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German Heart Center Charité
Berlin, 13353, Germany
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HNA Homolce Hospital
Prague, Czech Republic, 15030, Czechia
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Heart Center Dresden
Dresden, Germany
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Institute of Cardiovascular Diseases
Kamenitz, 21204, Serbia
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Institute of Cardiovascular Diseases Dedinje
Belgrade, Serbia
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Medical University Hannover
Hanover, Germany
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Polish-American Heart Clinic
Bielsko-Biala, 43316, Poland
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St. Luke´s Hospital
Thessaloniki, Greece
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Universitaetsspital Basel
Basel, 4031, Switzerland
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University Clinic
Banja Luka, 78000, Bosnia and Herzegovina
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University Clinic Sarajevo
Sarajevo, 71000, Bosnia and Herzegovina
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University Clinic Skopje
Skopje, 1000, North Macedonia
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University Hospital Regensburg
Regensburg, Germany
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University Hospital Wroclaw
Wroclaw, Poland
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Vivantes Humbold Clinic
Berlin, 13509, Germany
Conditions
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