Arrhythmias, CardiacSECURENCT04750798
An Observational Post-marketing Study Using Commercially Approved Biosense Webster (BWI) Medical Devices for the Treatment of Participants With Cardiac Arrhythmias
An observational study of Arrhythmias, Cardiac, run by Biosense Webster, Inc. at 46 sites in 15 countries.
Trial summary
The purpose of this study is to prospectively collect clinical data evaluating the ongoing safety and performance during routine-use standard cardiac arrhythmia mapping and/or ablation procedures while using commercial Biosense Webster Inc. (BWI) medical devices. Read more about this study
- Who is it for?
- Any age
- Conditions the study is for
- Arrhythmias, Cardiac
- What is being tested?
- BWI Medical Device, Varipulse Catheter and Dual Energy THERMOCOOL SMARTTOUCH SF Catheter
- Type of treatment
- Medical device
- How many people
- 8,000 participants
- Where
- 46 sitesin 15 countries
- Study dates
- 22 Feb 2021to 31 Dec 2037
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Any age
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Study population: Study population consists of participants diagnosed with cardiac arrhythmias who are scheduled to undergo an ablation procedure for management of their arrhythmia with a per-protocol defined Biosense Webster Inc (BWI) therapeutic catheter.
Who may be able to join
- Diagnosed with paroxysmal or persistent Atrial Fibrillation (AF) or supraventricular tachycardia (SVT) or ventricular tachycardia (VT) and scheduled to undergo an ablation procedure for management of their arrhythmia with a per-protocol defined BW therapeutic catheter
- Able and willing to comply with all pre, post and follow-up testing and requirements as per hospital standard of care
- Signed patient informed consent form (ICF) as applicable per local regulation
Who cannot join
- Currently participating in an interventional (drug, device, biologic) clinical trial
- Life expectancy of less than 12-months
- Presenting any contraindication for the use of BWI commercially approved medical devices, as indicated in the respective user manuals
Trial locations and contacts
46 sites in 15 countries. Contact the study team or a site near you to ask about taking part.
Liesbeth Gorissen contact
46 sites in 15 countries
Germany9 sites, 8 recruiting
- Recruiting
Rhön-Klinikum Campus Bad Neustadt
Bad Neustadt an der Saale, 97616
- Recruiting
Herz- und Diabeteszentrum NRW, University Hospital of the Ruhr University Bochum
Bad Oeynhausen, 3245
- Recruiting
Segeberger Kliniken
Bad Segeberg, 23795
- Recruiting
Oberlausitz-Kliniken
Bautzen, 02625
- Recruiting
Alfried Krupp Hospital
Essen, 45131
- Completed
Cardioangiologisches Centrum Bethanien (CCB)
Frankfurt, 60431
- Recruiting
Justus-Liebig-University Giessen
Giessen, 35390
- Recruiting
Asklepios Klinik Altona
Hamburg, 22763
- Recruiting
German Heart Centre Munich
Munich, 80636
Belgium7 sites, 7 recruiting
- Recruiting
OLV Aalst
Aalst, 9300
- Recruiting
AZ Sint-Jan Brugge
Bruges, 8000
- Recruiting
CHU Saint-Pierre
Brussels, 1000
- Recruiting
UZ Antwerp
Edegem, 2650
- Recruiting
Jessa Hospital
Hasselt, 3500
- Recruiting
UZ Brussels
Jette, 1090
- Recruiting
ASBL CHU HELORA Hôpital de La Louvière site Jolimont
La Louvière, 7100
France7 sites, 7 recruiting
- Recruiting
CHU de Clermont-Ferrand
Clermont-Ferrand, 63000
- Recruiting
Les Hospices Civils de Lyon
Lyon, 69002
- Recruiting
Hôpital Saint Joseph de Marseille
Marseille, 13285
- Recruiting
Institut Mutualiste Montsouris
Paris, 75674
- Recruiting
CHU de Rennes
Rennes, 35033
- Recruiting
Les Hôpitaux Universitaires de Strasbourg
Strasbourg, 67000
- Recruiting
Centre Hospitalier Universitaire de Bordeaux
Talence, 33404
Italy4 sites, 4 recruiting
- Recruiting
Ospedale Generale Regionale "F. Miulli"
Acquaviva delle Fonti, 70021
- Recruiting
A.O. Universitaria Delle Marche
Ancona, 60126
- Recruiting
IRCCS Policlinico San Donato
Milan, 20097
- Recruiting
Clinica Mediterranea
Naples, 80122
United Kingdom4 sites, 3 recruiting
- Recruiting
Glenfield Hospital
Leicester, LE3 9QP
- Completed
St. Bartholomew's Hospital
London, EC1A 7BE
- Recruiting
St George's Hospital
London, SW17 0QT
- Recruiting
Royal Brompton Hospital
London, SW3 6NP
Austria3 sites, 3 recruiting
- Recruiting
Medical University of Graz
Graz, 8010
- Recruiting
Ordensklinikum Linz GMBH
Linz, 4020
- Recruiting
Universitätsklinikum Wiener Neustadt
Wiener Neustadt, 2700
Denmark2 sites, 2 recruiting
- Recruiting
Aarhus University Hospital
Aarhus, 8200
- Recruiting
Rigshospitalet
Copenhagen, 2100
Israel2 sites, 1 recruiting
- Recruiting
Shaare Zedek Medical Center
Jerusalem, 9103102
- Completed
Tel Aviv Sourasky Medical Center
Tel Aviv, 6423906
Netherlands2 sites, 2 recruiting
- Recruiting
Clinical Trial Center Maastricht
Maastricht, 6229 EV
- Recruiting
Erasmus University Medical Center
Rotterdam, 3015 GD
Ireland1 site, 1 recruiting
- Recruiting
Mater Private Heart and Vascular Centre
Dublin, D07 WKW8
Norway1 site, 1 recruiting
- Recruiting
Haukeland University Hospital
Bergen, 5021
Portugal1 site, 1 recruiting
- Recruiting
Hospital de Santa Cruz
Carnaxide, 2790-134
Sweden1 site, 1 recruiting
- Recruiting
Sahlgrenska University Hospital
Gothenburg, 413 45
Switzerland1 site, 1 recruiting
- Recruiting
INSELSPITAL Universitätsspital Bern
Bern, 03010
About this study
Official title: An Observational Post-marketing Study for Evaluation of Ongoing Safety and Effectiveness of Catheter Mapping and Ablation Using Commercially Approved BWI Medical Devices for the Treatment of Patients With Cardiac Arrhythmias
The purpose of this study is to prospectively collect clinical data evaluating the ongoing safety and performance during routine-use standard cardiac arrhythmia mapping and/or ablation procedures while using commercial Biosense Webster Inc. (BWI) medical devices. Data generated from the study will be used to confirm safety and performance of BWI medical devices in the marketed phase and to expand the body of evidence on the use of these devices and techniques in treatment of cardiac arrhythmias.
- Conditions
- Arrhythmias, Cardiac
- Being tested
- BWI Medical Device, Varipulse Catheter, Dual Energy THERMOCOOL SMARTTOUCH SF Catheter
- Medical subject headings
- Arrhythmias, Cardiac
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
BWI Medical DeviceDevice
Participants will be treated with commercially approved BWI medical devices following routine clinical practice. No specific intervention will be observed for this study.
Varipulse CatheterDevice
Participants treated with Varipulse Catheter in the main study will be part of the VARIPURE sub-study. No specific intervention will be observed for this study.
Dual Energy THERMOCOOL SMARTTOUCH SF CatheterDevice
Participants treated with the Dual Energy THERMOCOOL SMARTTOUCH SF Catheter in the main study will be part of the DUACURE sub-study. No specific intervention will be observed for this study.
| Study group | Role | What they receive |
|---|---|---|
| Participants Diagnosed with Cardiac Arrhythmias | Patients diagnosed with cardiac arrhythmias who are scheduled to undergo an ablation procedure in routine clinical practice for management of their arrhythmia with a BWI therapeutic catheter/Varipulse Catheter/ Dual Energy Thermocool Smarttouch surround flow (SF) catheter will be observed. Receives: Device: BWI Medical Device; Device: Varipulse Catheter; Device: Dual Energy THERMOCOOL SMARTTOUCH SF Catheter |
What is being measured
The primary outcome is the main question the study is designed to answer.
Number of Participants with Primary Adverse Events (PAEs) Related to Device in Scope and/or Study Procedure Within 7 Days of the Initial Study Procedure
PAEs in participants with Atrial Fibrillation (AF) and for SupraVentricular Tachycardia (SVT) includes device or procedure related death, atrio-esophageal fistula/ esophageal perforation , severe pulmonary vein stenosis, cardiac tamponade/perforation, thromboembolism, pericarditis, stroke/cerebrovascular accident, transient ischemic attack, phrenic nerve paralysis (permanent), myocardial infarction, major vascular access complication/bleeding, heart block; PAEs in participants with Ventricular Tachycardia (VT) includes device or procedure related death, cardiac tamponade/perforation, thromboembolism, pericarditis, stroke/cerebrovascular accident, transient ischemic attack, phrenic nerve paralysis (permanent), myocardial infarction, major vascular access complication/bleeding, heart block, aggravation or new onset heart failure, coronary artery injury, aortic dissection and valve injury.
Measured: Up to 7 Days
AF: Number of Participants with Isolation of all Targeted Pulmonary Veins
Number of Participants with isolation (entrance block confirmation) of all targeted pulmonary veins will be reported.
Measured: Up to 7 Days
SVT (Sinus Nodal Re-entrant Tachycardia, Focal AT, Multifocal AT, AVNRT, Non Re-entrant Junctional Tachycardias): Number of Participants with Non-inducibility of the Targeted Tachycardia at end of Procedure
Number of participants with sinus nodal re-entrant tachycardia, focal atrial tachycardia (AT) multifocal AT, atrioventricular nodal reentry tachycardia (AVNRT), non re-entrant junctional tachycardias with non-inducibility of the targeted tachycardia at end of procedure will be reported.
Measured: Up to 7 Days
SVT (MRAT): Number of Participants with Complete Bidirectional Conduction Block Across the Ablation Line
Number of participants with Macro Re-entrant Atrial Tachycardia (MRAT) with complete bidirectional conduction block across the ablation line will be reported.
Measured: Up to 7 Days
SVT (AVRT): Number of Participants with Complete Block of Accessory Pathway
Number of participants with atrioventricular reentry tachycardia (AVRT) with complete block of accessory pathway will be reported.
Measured: Up to 7 Days
VT (Ischemic or Non-ischemic): Number of Participants with Non-inducibility of the Targeted VT at end of Procedure
Number of participants with non-inducibility of the targeted ischemic or non-ischemic VT at end of procedure will be reported.
Measured: Up to 7 days
VT (Idiopathic): Number of Participants with Elimination of Clinically Relevant VT
Number of participants with elimination of clinically relevant idiopathic VT will be reported. Clinically relevant: any spontaneous VT or any induced VT.
Measured: Up to 7 days
VT (Idiopathic): Number of Participants with Elimination of Clinically Relevant Premature Ventricular Contraction (PVCs)
Number of participants with elimination of clinically relevant idiopathic PVCs will be reported. Clinically relevant: any spontaneous PVC or any induced PVC; prior to treatment, PVCs would be deemed clinically relevant if they are present greater than (>) 20 percent (%) of daily heartbeat.
Measured: Up to 7 days
Secondary outcomes (19)
Number of Participants with Device and/or Procedure-Related Serious Adverse Events (Serious Adverse Device Effects [SADEs])
Number of participants with device and/or procedure-related Serious Adverse Events (SADEs) within 7 days (early-onset), >7-30 days (peri-procedural) and >30 days (late onset) following the initial study procedure will be reported.
Measured: Up to 365 Days
Number of Participants with Device and/or Procedure-Related Non-Serious Adverse Events (Non-Serious Adverse Device Effects [ADEs])
Number of participants with device and/or procedure-related non-serious adverse events (Non-serious ADEs) within 7 days (early-onset), >7-30 days (peri-procedural) and >30 days (Late Onset) following the initial study procedure will be reported.
Measured: Up to 365 Days
AF: Number of Participants with Acute Reconnection Among all Targeted Pulmonary Veins (PVs)
Number of participants with Acute reconnection among all targeted PVs will be reported.
Measured: Up to 7 Days
SVT (MRAT): Number of Participants with Non-inducibility of the Targeted Tachycardia at end of Procedure
Number of participants with MRAT with non-inducibility of the targeted tachycardia at end of procedure will be reported.
Measured: Up to 7 Days
SVT (AVNRT): Number of Participants with Elimination or Modification of Slow Pathway Conduction
Number of participants with AVNRT with elimination or modification of slow pathway conduction will be reported.
Measured: Up to 7 Days
VT (Ischemic or Non-ischemic): Number of Participants with Non-inducibility of any VT at end of Procedure
Number of participants with non-inducibility of any VT (Ischemic or Non-ischemic) at end of procedure will be reported.
Measured: Up to 7 Days
VT (Ischemic or Non-ischemic): Number of Participants with Elimination of all Targeted Late Potentials and Local Abnormal Ventricular Activation (LAVAs) at end of Procedure
Number of participants with elimination of all targeted late potentials and local abnormal ventricular activation (LAVAs) at end of procedure will be reported.
Measured: Up to 7 Days
AF: Number of Participants with Freedom From Documented (Symptomatic and Asymptomatic) AF, AT, Atrial Flutter (AFL) Episodes
Number of participants with freedom from documented (symptomatic and asymptomatic) AF, AT, AFL episodes (episodes greater than or equal to [>=] 30 seconds) post-blanking will be reported.
Measured: From Day 91 to Day 365 (post-blanking)
AF: Number of Participants with Freedom From Documented Symptomatic AF, AT, AFL Episodes
Number of participants with freedom from documented symptomatic AF, AT, AFL episodes (episodes >= 30 seconds) post-blanking will be reported.
Measured: From Day 91 to Day 365 (post-blanking)
AF: Number of Participants with Repeated Ablation
Number of participants with repeated ablation post-blanking will be reported.
Measured: From Day 91 to Day 365 (post-blanking)
AF: Number of Participants with Repeated Ablation with Pulmonary Vein (PV) Reconnection
Number of participants with repeated ablation with PV reconnection post blanking will be reported.
Measured: From Day 91 to Day 365 (post-blanking)
SVT: Number of Participants with Freedom From Documented Arrhythmia of the Primary SVT
Number of participants with freedom from documented arrhythmia of the primary SVT (episodes >=30 seconds) will be reported.
Measured: From Day 1 to Day 365
SVT: Number of Participants with Freedom From Documented Arrhythmia of new SVT, not Targeted During Index Procedure
Number of participants with freedom from documented arrhythmia of new SVT, not targeted during index procedure will be reported.
Measured: From Day 1 to Day 365
SVT: Number of Participants with Repeated Ablation
Number of participants with repeated ablation will be reported.
Measured: From Day 1 to Day 365
VT: Number of Participants with Freedom From Documented Arrhythmia of the Clinically Relevant/Targeted VT
Number of participants with freedom from documented arrhythmia of the clinically relevant /targeted VT (episodes >=30 seconds) will be reported.
Measured: From Day 1 to Day 365
VT: Number of Participants with Freedom From Documented Arrhythmia of new VT, not Targeted During Index Procedure
Number of participants with freedom from documented arrhythmia of new VT, not targeted during index procedure will be reported.
Measured: From Day 1 to Day 365
VT: Number of Participants with Repeated Ablation
Number of participants with repeated ablation will be reported.
Measured: From Day 1 to Day 365
VT: Number of Participants with All Cause and Cardiac Mortality
Number of participants with all cause and cardiac mortality will be reported.
Measured: Up to Day 365
VT: Number of Participants with Heart Failure Hospitalization
Number of participants with heart failure hospitalization will be reported.
Measured: Up to Day 365
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted11 Feb 2021
- Study start22 Feb 2021
- Primary completion31 Dec 2036 (estimated)
- Study completion31 Dec 2037 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Arrhythmias, CardiacStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 8,000 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Biosense Webster, Inc.
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Biosense Webster, Inc. Clinical Trial, Study director, Biosense Webster, Inc.
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04750798
- Sponsor's protocol ID
- BWI_2019_05
- Acronym
- SECURE
- Status last verified
- Sep 2026
- First submitted
- 8 Feb 2021
- Last updated
- 25 Sep 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- Yes
- Individual data sharing
- Yes: The data sharing policy of Johnson \& Johnson Innovative Medicine is available at www.innovativemedicine.jnj.com/our-innovation/clinical-trials/transparency. As noted on this site, requests for access to the study data can be submitted through Yale Open Data Access (YODA) Project site at yoda.yale.edu.
Publications
Almorad A, Sebag FA, Kronborg MB, Sohns C, De Potter T, Adragao P, Bessiere F, Chierchia GB, Duytschaever M, Szeplaki G, Di Monaco A, Reichlin T, Yap SC, Wong T, Lepiece C, Linz D, Gallagher MM, Pappone C, Sommer P, Ernst S, Purerfellner H, Scherr D; VARIPURE Investigators. Pulsed field ablation with a variable loop circular catheter in atrial fibrillation: Acute outcomes from the VARIPURE multicenter study. Heart Rhythm. 2026 Jul 2:S1547-5271(26)02516-6. doi: 10.1016/j.hrthm.2026.06.040. Online ahead of print.
PubMed 42392466
Study at a glance
From the registry record, last updated by the sponsor on 25 Sep 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- An Observational Post-marketing Study for Evaluation of Ongoing Safety and Effectiveness of Catheter Mapping and Ablation Using Commercially Approved BWI Medical Devices for the Treatment of Patients With Cardiac Arrhythmias
- ClinicalTrials.gov ID
- NCT04750798
- Acronym / sponsor ID
- SECURE / BWI_2019_05
- Conditions
- Arrhythmias, Cardiac
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 8,000 participants (estimated)
- Lead sponsor
- Biosense Webster, Inc.Industry (pharma, biotech, devices)
- Study start
- 22 Feb 2021 (actual)
- Primary completion
- 31 Dec 2036 (estimated)
- Study completion
- 31 Dec 2037 (estimated)
- First posted
- 11 Feb 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to prospectively collect clinical data evaluating the ongoing safety and performance during routine-use standard cardiac arrhythmia mapping and/or ablation procedures while using commercial Biosense Webster Inc. (BWI) medical devices. Data generated from the study will be used to confirm safety and performance of BWI medical devices in the marketed phase and to expand the body of evidence on the use of these devices and techniques in treatment of cardiac arrhythmias.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Participants Diagnosed with Cardiac Arrhythmias | – | Device: BWI Medical Device, Device: Varipulse Catheter, Device: Dual Energy THERMOCOOL SMARTTOUCH SF CatheterPatients diagnosed with cardiac arrhythmias who are scheduled to undergo an ablation procedure in routine clinical practice for management of their arrhythmia with a BWI therapeutic catheter/Varipulse Catheter/ Dual Energy Thermocool Smarttouch surround flow (SF) catheter will be observed. |
Who may qualify
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
- Study population
- Study population consists of participants diagnosed with cardiac arrhythmias who are scheduled to undergo an ablation procedure for management of their arrhythmia with a per-protocol defined Biosense Webster Inc (BWI) therapeutic catheter.
Key inclusion criteria (3 listed)
- Diagnosed with paroxysmal or persistent Atrial Fibrillation (AF) or supraventricular tachycardia (SVT) or ventricular tachycardia (VT) and scheduled to undergo an ablation procedure for management of their arrhythmia with a per-protocol defined BW therapeutic catheter
- Able and willing to comply with all pre, post and follow-up testing and requirements as per hospital standard of care
- Signed patient informed consent form (ICF) as applicable per local regulation
Key exclusion criteria (3 listed)
- Currently participating in an interventional (drug, device, biologic) clinical trial
- Life expectancy of less than 12-months
- Presenting any contraindication for the use of BWI commercially approved medical devices, as indicated in the respective user manuals
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| BWI Medical DeviceParticipants will be treated with commercially approved BWI medical devices following routine clinical practice. No specific intervention will be observed for this study. | Device | Participants Diagnosed with Cardiac Arrhythmias |
| Varipulse CatheterParticipants treated with Varipulse Catheter in the main study will be part of the VARIPURE sub-study. No specific intervention will be observed for this study. | Device | Participants Diagnosed with Cardiac Arrhythmias |
| Dual Energy THERMOCOOL SMARTTOUCH SF CatheterParticipants treated with the Dual Energy THERMOCOOL SMARTTOUCH SF Catheter in the main study will be part of the DUACURE sub-study. No specific intervention will be observed for this study. | Device | Participants Diagnosed with Cardiac Arrhythmias |
Primary outcome
Number of Participants with Primary Adverse Events (PAEs) Related to Device in Scope and/or Study Procedure Within 7 Days of the Initial Study Procedure
Time frame: Up to 7 Days
PAEs in participants with Atrial Fibrillation (AF) and for SupraVentricular Tachycardia (SVT) includes device or procedure related death, atrio-esophageal fistula/ esophageal perforation , severe pulmonary vein stenosis, cardiac tamponade/perforation, thromboembolism, pericarditis, stroke/cerebrovascular accident, transient ischemic attack, phrenic nerve paralysis (permanent), myocardial infarction, major vascular access complication/bleeding, heart block; PAEs in participants with Ventricular Tachycardia (VT) includes device or procedure related death, cardiac tamponade/perforation, thromboembolism, pericarditis, stroke/cerebrovascular accident, transient ischemic attack, phrenic nerve paralysis (permanent), myocardial infarction, major vascular access complication/bleeding, heart block, aggravation or new onset heart failure, coronary artery injury, aortic dissection and valve injury.
AF: Number of Participants with Isolation of all Targeted Pulmonary Veins
Time frame: Up to 7 Days
Number of Participants with isolation (entrance block confirmation) of all targeted pulmonary veins will be reported.
SVT (Sinus Nodal Re-entrant Tachycardia, Focal AT, Multifocal AT, AVNRT, Non Re-entrant Junctional Tachycardias): Number of Participants with Non-inducibility of the Targeted Tachycardia at end of Procedure
Time frame: Up to 7 Days
Number of participants with sinus nodal re-entrant tachycardia, focal atrial tachycardia (AT) multifocal AT, atrioventricular nodal reentry tachycardia (AVNRT), non re-entrant junctional tachycardias with non-inducibility of the targeted tachycardia at end of procedure will be reported.
SVT (MRAT): Number of Participants with Complete Bidirectional Conduction Block Across the Ablation Line
Time frame: Up to 7 Days
Number of participants with Macro Re-entrant Atrial Tachycardia (MRAT) with complete bidirectional conduction block across the ablation line will be reported.
SVT (AVRT): Number of Participants with Complete Block of Accessory Pathway
Time frame: Up to 7 Days
Number of participants with atrioventricular reentry tachycardia (AVRT) with complete block of accessory pathway will be reported.
VT (Ischemic or Non-ischemic): Number of Participants with Non-inducibility of the Targeted VT at end of Procedure
Time frame: Up to 7 days
Number of participants with non-inducibility of the targeted ischemic or non-ischemic VT at end of procedure will be reported.
VT (Idiopathic): Number of Participants with Elimination of Clinically Relevant VT
Time frame: Up to 7 days
Number of participants with elimination of clinically relevant idiopathic VT will be reported. Clinically relevant: any spontaneous VT or any induced VT.
VT (Idiopathic): Number of Participants with Elimination of Clinically Relevant Premature Ventricular Contraction (PVCs)
Time frame: Up to 7 days
Number of participants with elimination of clinically relevant idiopathic PVCs will be reported. Clinically relevant: any spontaneous PVC or any induced PVC; prior to treatment, PVCs would be deemed clinically relevant if they are present greater than (>) 20 percent (%) of daily heartbeat.
19 secondary outcomes
Number of Participants with Device and/or Procedure-Related Serious Adverse Events (Serious Adverse Device Effects [SADEs])
Time frame: Up to 365 Days
Number of Participants with Device and/or Procedure-Related Non-Serious Adverse Events (Non-Serious Adverse Device Effects [ADEs])
Time frame: Up to 365 Days
AF: Number of Participants with Acute Reconnection Among all Targeted Pulmonary Veins (PVs)
Time frame: Up to 7 Days
SVT (MRAT): Number of Participants with Non-inducibility of the Targeted Tachycardia at end of Procedure
Time frame: Up to 7 Days
SVT (AVNRT): Number of Participants with Elimination or Modification of Slow Pathway Conduction
Time frame: Up to 7 Days
VT (Ischemic or Non-ischemic): Number of Participants with Non-inducibility of any VT at end of Procedure
Time frame: Up to 7 Days
VT (Ischemic or Non-ischemic): Number of Participants with Elimination of all Targeted Late Potentials and Local Abnormal Ventricular Activation (LAVAs) at end of Procedure
Time frame: Up to 7 Days
AF: Number of Participants with Freedom From Documented (Symptomatic and Asymptomatic) AF, AT, Atrial Flutter (AFL) Episodes
Time frame: From Day 91 to Day 365 (post-blanking)
AF: Number of Participants with Freedom From Documented Symptomatic AF, AT, AFL Episodes
Time frame: From Day 91 to Day 365 (post-blanking)
AF: Number of Participants with Repeated Ablation
Time frame: From Day 91 to Day 365 (post-blanking)
AF: Number of Participants with Repeated Ablation with Pulmonary Vein (PV) Reconnection
Time frame: From Day 91 to Day 365 (post-blanking)
SVT: Number of Participants with Freedom From Documented Arrhythmia of the Primary SVT
Time frame: From Day 1 to Day 365
SVT: Number of Participants with Freedom From Documented Arrhythmia of new SVT, not Targeted During Index Procedure
Time frame: From Day 1 to Day 365
SVT: Number of Participants with Repeated Ablation
Time frame: From Day 1 to Day 365
VT: Number of Participants with Freedom From Documented Arrhythmia of the Clinically Relevant/Targeted VT
Time frame: From Day 1 to Day 365
VT: Number of Participants with Freedom From Documented Arrhythmia of new VT, not Targeted During Index Procedure
Time frame: From Day 1 to Day 365
VT: Number of Participants with Repeated Ablation
Time frame: From Day 1 to Day 365
VT: Number of Participants with All Cause and Cardiac Mortality
Time frame: Up to Day 365
VT: Number of Participants with Heart Failure Hospitalization
Time frame: Up to Day 365
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 25 Sep 2026.
- Derived from this study: PubMed 42392466Almorad A, Sebag FA, Kronborg MB, Sohns C, De Potter T, Adragao P, Bessiere F, Chierchia GB, Duytschaever M, Szeplaki G, Di Monaco A, Reichlin T, Yap SC, Wong T, Lepiece C, Linz D, Gallagher MM, Pappone C, Sommer P, Ernst S, Purerfellner H, Scherr D; VARIPURE Investigators. Pulsed field ablation with a variable loop circular catheter in atrial fibrillation: Acute outcomes from the VARIPURE multicenter study. Heart Rhythm. 2026 Jul 2:S1547-5271(26)02516-6. doi: 10.1016/j.hrthm.2026.06.040. Online ahead of print.
- Individual participant dataSharing planned: Yes. The data sharing policy of Johnson \& Johnson Innovative Medicine is available at www.innovativemedicine.jnj.com/our-innovation/clinical-trials/transparency. As noted on this site, requests for access to the study data can be submitted through Yale Open Data Access (YODA) Project site at yoda.yale.edu.
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Persistent Atrial Fibrillation
Not yet recruiting
Exclusion of Left Atrial Appendage Thrombus in Emergency Department Patients With Atrial Fibrillation Undergoing CT to Assess for Pulmonary Embolus: A Feasibility Study
Atrial Fibrillation (AF), Pulmonary Embolism (PE)
RecruitingPhase 2
Statin Effect on Arrhythmogenic Cardiomyopathy Disease Progression (SEARCH)
Arrhythmogenic Cardiomyopathy
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Liesbeth Gorissen contact
Biosense Webster, Inc. Clinical Trial study director
Biosense Webster, Inc.
46 sites in 15 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Arrhythmias, Cardiac, run by Biosense Webster, Inc. at 46 sites in 15 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 25 Sep 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 46 sites in Germany, Belgium, France, Italy, United Kingdom and 10 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Nathalie Macours (+32 479 97 05 05, nmacours1@its.jnj.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Number of Participants with Primary Adverse Events (PAEs) Related to Device in Scope and/or Study Procedure Within 7 Days of the Initial Study Procedure (time frame: Up to 7 Days). The study lists 8 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT04750798, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Sep 2026.