8,000-Patient study checks heart ablation device safety

NCT ID NCT04750798

Recruiting now Knowledge-focused Sponsor: Biosense Webster, Inc. Source: ClinicalTrials.gov ↗

First seen Sep 30, 2025 · Last updated Jun 23, 2026 · Updated 39 times

Summary

This study is following 8,000 people with heart rhythm disorders (like atrial fibrillation) who are getting a standard catheter ablation procedure using Biosense Webster devices. Researchers are tracking complications and how well the procedure works in everyday medical practice. The goal is to confirm the devices are safe and effective outside of controlled clinical trials.

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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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Study contacts

Contact

Email: •••••@•••••
Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

ASBL CHU HELORA Hôpital de La Louvière site Jolimont
RECRUITING

La Louvière, 7100, Belgium
AZ Sint-Jan Brugge
RECRUITING

Bruges, 8000, Belgium
Aarhus University Hospital
RECRUITING

Aarhus, 8200, Denmark
Alfried Krupp Hospital
RECRUITING

Essen, 45131, Germany
Asklepios Klinik Altona
RECRUITING

Hamburg, 22763, Germany
CHU Saint-Pierre
RECRUITING

Brussels, 1000, Belgium
Cardioangiologisches Centrum Bethanien (CCB)
COMPLETED

Frankfurt, 60431, Germany
Centre Hospitalier Universitaire de Bordeaux
RECRUITING

Talence, 33404, France
Clinica Mediterranea
RECRUITING

Naples, 80122, Italy
Clinical Trial Center Maastricht
RECRUITING

Maastricht, 6229 EV, Netherlands
Erasmus University Medical Center
RECRUITING

Rotterdam, 3015 GD, Netherlands
German Heart Centre Munich
RECRUITING

Munich, 80636, Germany
Glenfield Hospital
RECRUITING

Leicester, LE3 9QP, United Kingdom
Herz- und Diabeteszentrum NRW, University Hospital of the Ruhr University Bochum
RECRUITING

Bad Oeynhausen, 3245, Germany
Hospital de Santa Cruz
RECRUITING

Carnaxide, 2790-134, Portugal
Hôpital Saint Joseph de Marseille
RECRUITING

Marseille, 13285, France
INSELSPITAL Universitätsspital Bern
RECRUITING

Bern, 03010, Switzerland
IRCCS Policlinico San Donato
RECRUITING

Milan, 20097, Italy
Institut Mutualiste Montsouris
RECRUITING

Paris, 75674, France
Jessa Hospital
RECRUITING

Hasselt, 3500, Belgium
Justus-Liebig-University Giessen
RECRUITING

Giessen, 35390, Germany
Les Hospices Civils de Lyon
RECRUITING

Lyon, 69002, France
Mater Private Heart and Vascular Centre
RECRUITING

Dublin, D07 WKW8, Ireland
Medical University of Graz
RECRUITING

Graz, 8010, Austria
NÖ Landesgesundheitsagentur
RECRUITING

Sankt Pölten, 3100, Austria
OLV Aalst
RECRUITING

Aalst, 9300, Belgium
Ordensklinikum Linz GMBH
RECRUITING

Linz, 4020, Austria
Ospedale Generale Regionale "F. Miulli"
RECRUITING

Acquaviva delle Fonti, 70021, Italy
Rhön-Klinikum Campus Bad Neustadt
RECRUITING

Bad Neustadt an der Saale, 97616, Germany
Rigshospitalet
RECRUITING

Copenhagen, 2100, Denmark
Royal Brompton Hospital
RECRUITING

London, SW3 6NP, United Kingdom
Sahlgrenska University Hospital
RECRUITING

Gothenburg, 413 45, Sweden
Segeberger Kliniken
RECRUITING

Bad Segeberg, 23795, Germany
Semmelweis University
RECRUITING

Budapest, H-1085, Hungary
Shaare Zedek Medical Center
RECRUITING

Jerusalem, 9103102, Israel
St George's Hospital
RECRUITING

London, SW17 0QT, United Kingdom
St. Bartholomew's Hospital
COMPLETED

London, EC1A 7BE, United Kingdom
Tel Aviv Sourasky Medical Center
RECRUITING

Tel Aviv, 6423906, Israel
UZ Antwerp
RECRUITING

Edegem, 2650, Belgium
UZ Brussels
RECRUITING

Jette, 1090, Belgium

What this could mean

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

Active substance

catheter ablation device

What this could lead to

If successful, this study will confirm that these ablation devices are safe and effective for routine treatment of heart rhythm problems.

What could go wrong

This is an observational study, not a controlled trial, so results may be influenced by patient differences. Risks include rare but serious complications like heart damage or stroke.

Conditions

The condition(s) this trial relates to.

Arrhythmias, Cardiac atrial fibrillation cardiac rhythm disease ventricular tachycardia

As listed by the trial registrant

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

ARRHYTHMIAS, CARDIAC ARRHYTHMIAS, CARDIAC CARDIAC ARRHYTHMIAS