Clinical trials: Electric Countershock
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
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
Atrial Fibrillation
Explore the Efficacy and Safety of Once-daily Oral Rivaroxaban for the Prevention of Cardiovascular Events in Subjects With Nonvalvular Atrial Fibrillation Scheduled for Cardioversion
A study for patients with abnormal heart rhythm (atrial fibrillation) who need to undergo cardioversion (procedure to restore normal heart rhythm).
- Trial name
- X-VERT (NCT01674647)
- Testing
- Rivaroxaban (Xarelto, BAY59-7939), Vitamin K antagonist (VKA)
- Where
- 178 sites in United States, Belgium and 15 more
- Volunteers
- 1,504 people
- Sponsor
- Bayer
Atrial Fibrillation, Cardioversion
Risk of Stroke and Silent Cerebrovascular Thromboembolism After Cardioversion of Atrial Fibrillation
Patients with atrial fibrillation undergoing cardioversion will be randomized to undergo transesophageal echocardiography or they will receive warfarin for 3 weeks with an international normalized ratio (INR) value between…
- Conditions
- Atrial Fibrillation, Cardioversion, Cerebrovascular Stroke
- Trial name
- AFTER-CV (NCT01924065)
- Testing
- Cardioversion, Oral Anticoagulant
- Where
- Turkey (Türkiye)
- Volunteers
- 112 people
- Sponsor
- Suleyman Demirel University
Ventricular Fibrillation
Acute Feasibility Investigation of a New S-ICD Electrode
This is an early-stage feasibility study. This study seeks to characterize the performance of the new electrode shock configuration with the S-ICD
- Trial name
- ASE (NCT03802110)
- Testing
- commercially released subcutaneous implantable cardioverter defibrillator (S-ICD) and the Investigational S-ICD Adapter.
- Where
- 4 sites in Netherlands
- Volunteers
- 42 people
- Sponsor
- Boston Scientific Corporation
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
Myocardial Infarction, Ventricular Dysfunction
Vest Prevention of Early Sudden Death Trial and VEST Registry
This study explores the hypothesis that wearable defibrillators can impact mortality by reducing sudden death during the first three months after a heart attack in persons with high risk for life-threatening arrhythmias.
- Conditions
- Myocardial Infarction, Ventricular Dysfunction, Sudden Death, Ventricular Tachycardia
- Trial name
- VEST (NCT01446965)
- Testing
- wearable defibrillator
- Where
- 71 sites in United States, Germany and 1 more
- Volunteers
- 2,348 people
- Sponsor
- University of California, San Francisco
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
Persistent Atrial Fibrillation, Cardiac Arrhythmia
Investigation of Therapeutic Ablation Versus Cardioversion for AF
The main aim of the research is to investigate whether patients undergoing pulmonary vein isolation with cryoablation for atrial fibrillation (AF) will have lower rates of AF recurrence than those treated by DC cardioversion…
- Trial name
- ORBITA-AF (NCT03907982)
- Testing
- DC Cardioversion, Pulmonary vein isolation, Implantable loop recorder
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- Barts & The London NHS Trust
Atrial Fibrillation
A Study to Evaluate the Efficacy, Safety, Tolerability, and Pharmacokinetics of HSY244 in Participants With Atrial Fibrillation
This was a randomized, placebo-controlled, investigator- and participant-blinded study to evaluate the efficacy, safety, tolerability, and pharmacokinetics (PK) of HSY244 in participants with atrial fibrillation (AF), with and…
- Trial name
- NCT04582409
- Testing
- HSY244
- Where
- 4 sites in United States, Germany
- Volunteers
- 13 people
- Sponsor
- Novartis Pharmaceuticals
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
Atrial Fibrillation
Left Atrial Imaging Prior to Cardioversion: Leveraging Computed Tomography to Rule Out Thrombus
Evaluating contrast enhanced ECG-gated cardiac CT (CCT) as an alternative to transesophageal echocardiography (TEE) to expedite cardioversion of atrial fibrillation (AF), improve patient care and reduce hospital admissions for AF…
- Trial name
- LACLOT (NCT04223505)
- Testing
- Contrast enhanced ECG-gated cardiac CT (CCT), Transesophageal Echocardiography (TEE)
- Where
- Canada
- Volunteers
- 102 people
- Sponsor
- Ottawa Heart Institute Research Corporation
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
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
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
Atrial Fibrillation, Heart Failure
The Use of Ranolazine for Atrial Fibrillation and Diastolic Heart Failure
The purpose of this study is to evaluate the efficacy of ranolazine in the prevention of recurrent atrial fibrillation in post-cardioversion patients with heart failure and preserved ejection fraction.
- Trial name
- RAD HF (NCT01887353)
- Testing
- Ranolazine
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Intermountain Health Care, Inc.
Death, Sudden, Cardiac, Ventricular Fibrillation
Automatic External Defibrillation Monitoring in Cardiac Arrest
We propose to randomize automatic external cardioverter/defibrillators (AECD) in patients who are at high risk for life-threatening abnormal heart rhythms (arrhythmias) and are admitted to the telemetry ward, all other treatments…
- Conditions
- Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Ventricular
- Trial name
- NCT00382928
- Testing
- Defibrillation of pulseless VT/VF by AECD
- Where
- United States
- Volunteers
- 192 people
- Sponsor
- Foundation for Atlanta Veterans Education and Research, Inc.
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
Atrial Fibrillation
Intravenous Cardioversion of Atrial Fibrillation (AF) With AZD1305
This study is being carried out to see which dose of AZD1305 is safe and effective in cardioverting atrial fibrillation into normal heart rhythm.
- Trial name
- NCT00915356
- Testing
- AZD1305
- Where
- 31 sites in Czechia, Denmark and 6 more
- Volunteers
- 228 people
- Sponsor
- AstraZeneca
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