Clinical trials: Cardioversion
Atrial Fibrillation
International Registry on Cardioversion of Atrial Fibrillation (MK-6621-051)
This study will create a prospective registry of consecutive patients with Atrial Fibrillation (Afib) considered for cardioversion treatment to document up-to-date practice of in-hospital treatment, with a focus on the…
- Trial name
- RHYTHM-AF (NCT01119716)
- Volunteers
- 4,658 people
- Sponsor
- Merck Sharp & Dohme LLC
Atrial Fibrillation
n-3 Polyunsaturated Fatty Acids (PUFAs) in the Prevention of Atrial Fibrillation
The purpose of this study is to determine the effect of n-3 PUFAs in addition to amiodarone and renin-angiotensin-aldosterone system (RAAS) inhibitors on the maintenance of sinus rhythm after electrical conversion in patients…
- Trial name
- NCT01198275
- Testing
- n-3 PUFAs, RASS inhibitors and/or RAS blockers, Amiodarone
- Where
- Italy
- Volunteers
- 199 people
- Sponsor
- Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia
Persistent Atrial Fibrillation
Ranolazine in Atrial Fibrillation Following An ELectricaL CardiOversion
Dose-ranging Phase II study testing the efficacy and safety of 3 doses of Ranolazine (low, intermediate and high, given BID) versus placebo in maintaining sinus rhythm after successful electrical cardioversion in patients with…
- Trial name
- RAFFAELLO (NCT01534962)
- Testing
- Ranolazine
- Where
- 4 sites in Germany, Italy and 2 more
- Volunteers
- 241 people
- Sponsor
- Menarini Group
Cardiac Disease
Combined Amiodarone and Electrical Cardioversion for Postoperative Atrial Fibrillation After Cardiac Surgery
To determine the efficacy of cardioversion and amiodarone for cardiac patients who develop postoperative atrial fibrillation
- Trial name
- NCT01558128
- Testing
- Amiodarone, Cardioversion
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Weill Medical College of Cornell University
Cardiac Resynchronization Therapy
Evaluation of ACUITY™ X4 Quadripolar Coronary Venous Leads and RELIANCE™ 4-FRONT Defibrillation Leads
The objective of the NAVIGATE X4 Clinical Study is to gather data to establish the safety, performance and effectiveness of the ACUITY™ X4 quadripolar coronary venous leads and the RELIANCE 4-FRONT™ ventricular defibrillation…
- Trial name
- NAVIGATE X4 (NCT02071173)
- Testing
- ACUITY X4 quadripolar coronary venous lead and RELIANCE 4-FRONT defibrillation lead
- Where
- 96 sites in United States
- Volunteers
- 2,244 people
- Sponsor
- Boston Scientific Corporation
Fibrillation, Atrial
Evaluation of Fondaparinux in Patients With a Heart Rhythm Disturbance Who Undergo Restoration of Normal Heart Rhythm
The purpose of this study is to test whether Fondaparinux is effective and safe to prevent thromboembolic events (like for example strokes) and bleeding events in patients who undergo a normalisation of their heart rhythm…
- Trial name
- NCT00911300
- Testing
- fondaparinux, unfractionated heparin, Vitamin-K-Antagonist
- Where
- 34 sites in France, Germany
- Volunteers
- 349 people
- Sponsor
- GlaxoSmithKline
Heart Failure
The Effect of an Azygos Vein Coil on Defibrillation Threshold
When implantable cardiac defibrillators are implanted (ICDs), the defibrillation threshold (DFT), of the amount of energy required to effectively terminate life-threatening arrhythmias is determined.
- Trial name
- NCT00798174
- Testing
- Standard configuration vs. azygos coil
- Where
- United States
- Volunteers
- 32 people
- Sponsor
- Washington University School of Medicine
Atrial Fibrillation
A Study Evaluating the Efficacy and Safety of AP30663 for Cardioversion in Participants With Atrial Fibrillation (AF)
This study will evaluate the efficacy, safety, tolerability and pharmacokinetics (PK) of one or more doses of AP30663 for cardioversion in adult participants with AF.
- Trial name
- NCT04571385
- Testing
- AP30663
- Where
- 15 sites in Denmark, Hungary
- Volunteers
- 66 people
- Sponsor
- Acesion Pharma
Atrial Fibrillation Fluttering
Ankle - Brachial Index Measurement in Atrial Fibrillation
Consecutive patients with atrial fibrillation will be admitted to the hospital for electrical cardioversion. Ankle brachial index will be measured three times with oscillometric method and three times with doppler method.
- Trial name
- AFABI (NCT02986282)
- Testing
- ABI measurement using both doppler and oscillometric method
- Volunteers
- 115 people
- Sponsor
- Medical University of Warsaw
Primary Prevention of Sudden Cardiac Arrest, Secondary Prevention of Sudden Cardiac Arrest
Longitudinal Surveillance Study of the 4-SITE Lead/Header System
Post-approval studies of implanted leads provide an opportunity to observe and assess patient outcomes and technology performance in a real-world setting.
- Trial name
- LSS of 4-SITE (NCT01596595)
- Where
- 111 sites in United States, Australia and 1 more
- Volunteers
- 1,820 people
- Sponsor
- Boston Scientific Corporation
Out of Hospital Cardiac Arrest
Dispatcher-Activated Neighborhood Access Defibrillation and Cardiopulmonary Resuscitation
The hypothesis of this study is Dispatcher-Activated Neighborhood Access Defibrillation and Cardiopulmonary Resuscitation (NAD-CPR) would improve survival of out-of-hospital cardiac arrest (OHCA).
- Trial name
- NCT02010151
- Testing
- NAD-CPR
- Where
- South Korea
- Volunteers
- 3,194 people
- Sponsor
- Seoul National University Hospital
Current or Recent History of Atrial Fibrillation
Genetically Targeted Therapy for the Prevention of Symptomatic Atrial Fibrillation in Patients With Heart Failure
This study is being done to compare the effects of bucindolol hydrochloride (bucindolol) to metoprolol succinate (Toprol-XL) on the recurrence of symptomatic atrial fibrillation/atrial flutter in patients with heart failure who…
- Trial name
- GENETIC-AF (NCT01970501)
- Testing
- bucindolol hydrochloride, metoprolol succinate
- Where
- 97 sites in United States, Canada and 4 more
- Volunteers
- 267 people
- Sponsor
- ARCA Biopharma, Inc.
Sudden Cardiac Death
POWER (Pulse Width Optimized Waveform Evaluation Trial)
The objective of this study is to compare the ULV (Upper Limit of Vulnerability)/DFT (Defibrillation Threshold) efficacy between the 2.5, 3.5 and 4.5 ms membrane time constant based biphasic defibrillation waveforms.
- Trial name
- NCT00311181
- Testing
- Implantable Cardioverter Defibrillator (ICD), Cardiac Resynchronization Therapy (CRT-D)
- Where
- 2 sites in United States
- Volunteers
- 217 people
- Sponsor
- Abbott Medical Devices
Sudden Cardiac Death
'Effect of CRT on Defibrillation Threshold Estimates' Study
The purpose of this prospective study is to evaluate the effect of cardiac resynchronization therapy (CRT) on the defibrillation threshold (DFT) estimates in cardiac resynchronization therapy defibrillators (CRT-D) patients.
- Trial name
- NCT00626093
- Testing
- Cardiac Resynchronization Therapy - Defibrillator (CRT-D)
- Where
- 2 sites in United States
- Volunteers
- 77 people
- Sponsor
- Abbott Medical Devices
Tachycardia
Safety and Performance Study of the Reliance 4-Front Lead
The objective of this study is to gather data to establish the chronic safety, performance and effectiveness of the RELIANCE 4-FRONT™ Active Fixation Defibrillation Leads.
- Trial name
- NCT01772576
- Testing
- Reliance 4-Front lead implantation
- Where
- 15 sites in Austria, China and 9 more
- Volunteers
- 167 people
- Sponsor
- Boston Scientific Corporation
Tachycardia
China (CN)_Magnetic Resonance Imaging (MRI)_Implantable Cardiac Defibrillator (ICD) [CN_MRI_ICD]
This clinical study is to evaluate the safety and effectiveness of the Ellipse VR/DR implantable cardiac defibrillators (ICDs) and the Quadra Assura MP cardiac resynchronization therapy defibrillators (CRT-Ds), with Durata or…
- Trial name
- CN_MRI_ICD (NCT03828357)
- Testing
- Study MRI scan
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Abbott Medical Devices
Ventricular Fibrillation, Ventricular Tachycardia
Evaluation of the iD-SystemTM, One-Handed Disposable Internal Defibrillation System.
The main aim is to evaluate the safety and efficacy of the iD-System™, One-handed Disposable Internal Defibrillation System The device is made for manual defibrillation during intra-thoracic procedure, by transferring a shock…
- Trial name
- iD-System (NCT04011631)
- Testing
- Internal defibrillation during cardiac surgery, using the iD-system
- Where
- Belgium
- Volunteers
- 100 people
- Sponsor
- SMART Clinical Products BV
Ventricular Arrhythmias
Acute Subcutaneous Defibrillation
To assess the defibrillation efficacy of a subcutaneous defibrillation system.
- Trial name
- ASQ (NCT01771172)
- Where
- 8 sites in Belarus, Denmark and 3 more
- Volunteers
- 50 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Pediatrics, Defibrillators, Implantable
Precise Measurement of Pediatric Defibrillation Thresholds
Patients who receive an implantable cardioverter-defibrillator (ICD) usually undergo testing at the end of the ICD procedure to measure the amount of energy able to successfully defibrillate the heart (defibrillation threshold…
- Trial name
- NCT01043562
- Testing
- Defibrillator threshold testing, Observation of post-shock intrinsic cardiac rhythm
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Boston Children's Hospital
Atrial Fibrillation
Ranolazine for the Prevention of Atrial Fibrillation After Electrical Cardioversion
The investigators hypothesize that ranolazine would decrease the incidence of recurrence of Atrial Fibrillation (AF) after electrical cardioversion of persistent AF.
- Trial name
- GILEAD (NCT01349491)
- Testing
- Ranolazine
- Where
- 2 sites in United States
- Volunteers
- 10 people
- Sponsor
- University of Oklahoma