Clinical trials: Defibrillation
Cardiac Arrest
Biphasic Defibrillation Study: Trial to Compare Fixed Versus Escalating Energy
This study will compare the effect of constant low-level energy [150 joules] to an escalating energy [200-300-360 joules] regimen of biphasic waveform defibrillation on multiple patient outcomes.
- Trial name
- NCT00212992
- Testing
- Fixed lower-energy defibrillation, Escalating higher-energy defibrillation
- Where
- Canada
- Volunteers
- 221 people
- Sponsor
- Ottawa Hospital Research Institute
Arrhythmia
Observation of ImageReady™ MR Conditional Defibrillation System in China
To observe the safety and effectiveness of ImageReady™ MR conditional defibrillation system in a Chinese population.
- Trial name
- NCT03451721
- Testing
- ImageReady™ MR Conditional Defibrillation System
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Boston Scientific Corporation
Tachycardia, Ventricular Fibrillation
Safety and Performance Study of the RELIANCE 4-Front Passive Fixation Lead
The objective of this study is to gather data to establish the chronic safety, performance and effectiveness of the RELIANCE 4-FRONT™ Passive Fixation Defibrillation Leads.
- Conditions
- Tachycardia, Ventricular Fibrillation, Ventricular Flutter
- Trial name
- NCT01856491
- Testing
- RELIANCE 4-FRONT™ Passive Fixation lead implantation
- Where
- 11 sites in Germany, Israel and 1 more
- Volunteers
- 167 people
- Sponsor
- Boston Scientific Corporation
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
Ventricular Arrhythmias
Acute Defibrillation Study
The proposed study is designed to characterize defibrillation efficacy in humans for the potential development of a new extravascular implantable cardioverter defibrillator (ICD) system.
- Trial name
- NCT02227121
- Testing
- Defibrillation following induction of VT/VF
- Where
- 7 sites in Hong Kong, Netherlands and 2 more
- Volunteers
- 16 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
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
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
Cardiomyopathy, Heart Failure
Evaluating Myocardial Injury for Defibrillation Threshold Testing Methods for ICD Implantation
The objective of this study is to evaluate myocardial injury, if any, as quantified by cardiac markers (Troponin-T) in defibrillation threshold (DFT) testing during implantation of implantable cardioverter defibrillators (ICDs)…
- Conditions
- Cardiomyopathy, Heart Failure, Cardiac Arrhythmia
- Trial name
- ULV (NCT02111993)
- Testing
- Standard Defibrillation Testing, Upper Limit of Vulnerability Testing
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of California, San Diego
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
Atrial Fibrillation
Intravenous Magnesium Infusion in Patients Undergoing Cardioversion of Atrial Fibrillation Trial
The proposed study is designed to evaluate the effect of an intravenous infusion of magnesium sulfate in facilitating successful cardioversion of atrial fibrillation and in decreasing the energy threshold (in J) required for…
- Trial name
- MICA (NCT01597557)
- Testing
- Magnesium Sulfate
- Where
- United States
- Volunteers
- 261 people
- Sponsor
- State University of New York at Buffalo
Ventricular Tachycardia, Ventricular Fibrillation
Septal - Success Rate and Clinical Outcome of Septal Implant of Ventricular Defibrillation Lead
The purpose of this study is to determine the safety and efficacy of the implant of a ICD lead of defibrillation in the septum of the right ventricle
- Trial name
- NCT00180297
- Testing
- Endotak Reliance G
- Where
- 18 sites in France
- Volunteers
- 215 people
- Sponsor
- Boston Scientific Corporation
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.
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
Study Of The Blood Thinner, Apixaban, For Patients Who Have An Abnormal Heart Rhythm (Atrial Fibrillation) And Expected To Have Treatment To Put Them Back Into A Normal Heart Rhythm (Cardioversion)
Some people can develop an abnormal heart beat known as "Atrial fibrillation" or "AF" that puts them at risk of developing clots in the heart.
- Trial name
- EMANATE (NCT02100228)
- Testing
- Apixaban, Parenteral heparin and/or oral Vitamin K antagonist
- Where
- 165 sites in United States, Belgium and 10 more
- Volunteers
- 1,500 people
- Sponsor
- Pfizer
Atrial Fibrillation
Study of Normal Conditions of Use, Dosing, and Safety of Intravenous (IV) Administration of Vernakalant (MK-6621-049)
This non-interventional prospective study is a post-authorization safety study (PASS) of vernakalant conducted to collect information about normal conditions of use and appropriate dosing, and to quantify possible medically…
- Trial name
- NCT01370629
- Testing
- Vernakalant
- Where
- 6 sites in Austria, Denmark and 4 more
- Volunteers
- 2,015 people
- Sponsor
- Correvio International Sarl
Atrial Fibrillation
Edoxaban vs. Warfarin in Subjects Undergoing Cardioversion of Nonvalvular Atrial Fibrillation (NVAF)
The purpose of this study is to compare edoxaban to warfarin (with enoxaparin, if needed). It will see if edoxaban prevents stroke and other blood clotting problems as well and as safely as warfarin.
- Trial name
- ENSURE-AF (NCT02072434)
- Testing
- Edoxaban, Warfarin, Enoxaparin
- Where
- 228 sites in United States, Austria and 17 more
- Volunteers
- 2,199 people
- Sponsor
- Daiichi Sankyo
Atrial Flutter
Antero-posterior Versus Antero-lateral Electrode Position for Electrical Cardioversion of Typical Atrial Flutter
The aim of this study is to identify the one electrode position out of two most commonly used for external electrical cardioversion of typical atrial flutter, which needs less delivered energy and less needed number of shocks for…
- Trial name
- APOVERSAL (NCT00860314)
- Testing
- external electrical cardioversion (with antero-posterior electrode position), external electrical cardioversion (with antero-lateral electrode position)
- Where
- Germany
- Volunteers
- 96 people
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
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, Atrial Flutter
Comparison of Bolus Dosing of Methohexital and Propofol in Elective Direct Current Cardioversion
A randomized, open-blinded, prospective study to evaluate the timeliness and safety of direct current cardioversion (DCCV) when using methohexital when compared to the more often used propofol.
- Trial name
- NCT04187196
- Testing
- Propofol, Methohexital
- Where
- United States
- Volunteers
- 73 people
- Sponsor
- Wake Forest University Health Sciences
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.