Clinical trials: Heart Rhythm Disorders
Bradycardia, Tachycardia
China 3T MRI Study
The purpose of the China CIED 3.0T MRI Performance Study is to confirm safety of SureScan CIED in the clinical 3.0T MRI environment when subjects receive MRI scans.
- Conditions
- Bradycardia, Tachycardia, Heart Failure
- Trial name
- NCT06038123
- Testing
- China market released 3.0T Magnetic resonance (MR) conditional CIED systems
- Where
- 5 sites in China
- Volunteers
- 64 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Atrial Fibrillation
Phase 2 Study of the Safety, Tolerability and Pilot Efficacy of Oral Factor Xa Inhibitor Betrixaban Compared to Warfarin
Prevention of stroke in patients with atrial fibrillation (AF). Hypothesis: In patients with non-valvular AF, orally administered betrixaban will provide similar or better efficacy and safety than warfarin and it will offer the…
- Trial name
- EXPLORE-Xa (NCT00742859)
- Testing
- betrixaban, Warfarin
- Where
- 21 sites in United States, Canada
- Volunteers
- 508 people
- Sponsor
- Portola Pharmaceuticals
Atrial Fibrillation
OFDI Capsule Imaging in Patients With Atrial Fibrillation Undergone Radio Frequency (RF) Ablation
12 patients with Atrial Fibrillation, a kind of irregular heart beat who have undergone Radio frequency (RF) ablation will be asked to swallow the capsule.
- Trial name
- NCT02204566
- Testing
- OFDI Capsule
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Massachusetts General Hospital
Persistent Atrial Fibrillation
Randomized Evaluation of Atrial Fibrillation Treatment With Focal Impulse and Rotor Modulation Guided Procedures
The study is a prospective, multicenter, randomized study to assess the safety and effectiveness of FIRM procedures followed by conventional ablation including PVI versus a standard PVI procedure for the treatment of persistent…
- Trial name
- REAFFIRM (NCT02274857)
- Testing
- Standard PVI Ablation, FIRM-Guided Procedure and PVI
- Where
- 18 sites in United States, Germany and 1 more
- Volunteers
- 350 people
- Sponsor
- Abbott Medical Devices
Atrial Fibrillation
DEFINE AFib (Atrial Fibrillation)
DEFINE AFib is a prospective, observational, post-market clinical study administered to patients via the Medtronic Discovery app platform.
- Trial name
- DEFINE AFib (NCT04926857)
- Testing
- Non-Interventional
- Where
- 26 sites in United States
- Volunteers
- 973 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Right Bundle-Branch Block, Heart Failure
Right Ventricular Septal Pacing in Patients With Right Bundle Branch Block and Heart Failure (The SPARK Trial)
This clinical study has been designed to test whether a new pacing therapy would lead to improvement in heart function, symptoms and quality of life in a specific group of heart failure patients.
- Trial name
- SPARK (NCT02441101)
- Testing
- RV DDD(R)-60 with AV optimization, RV DDD(R)-60
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Barry London
Cardiac Arrest, Sudden Cardiac Death
Treatment of Ventricular Tachyarrhythmias Refractory To Shock With Beta Blockers: The SHOCK and BLOCK Trial
The purpose of this research study is to evaluate the effectiveness of metoprolol, a "beta blocker," in treating patients in the hospital with a cardiac arrest. It will be given intravenously (given into a vein).
- Conditions
- Cardiac Arrest, Sudden Cardiac Death, Ventricular Fibrillation, Tachycardia, Ventricular
- Trial name
- Shock n Block (NCT00401882)
- Testing
- Epinephrine, Metoprolol
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- David Haines, MD
Thromboembolism
Applying Pharmacogenetic Algorithms to Individualize Dosing of Warfarin
The purpose of this study is to determine whether DNA analysis improves the efficiency of dosing and safety in patients who are being started on warfarin therapy.Warfarin, a blood thinner (anticoagulant) prescribed to 1-2 million…
- Trial name
- Coumagen-II (NCT00927862)
- Testing
- IWPC adapted genotype-guided dosing algorithm for warfarin, Modified IWPC genetic-guided warfarin dosing algorithm, Standard of care treatment
- Where
- United States
- Volunteers
- 2,415 people
- Sponsor
- Intermountain Health Care, Inc.
Paroxysmal Atrial Fibrillation
POLARx™ Cardiac Cryoablation System Post Market Clinical Study (POLAR SMART)
This is a post-market study collecting real-world clinical data on safety, effectiveness and procedural success of Boston Scientific Cardiac Cryoablation System (POLARx™ System)
- Trial name
- POLAR SMART (NCT05282823)
- Testing
- Boston Scientific Cardiac Cryoablation System
- Where
- 19 sites in Japan, South Korea
- Volunteers
- 295 people
- Sponsor
- Boston Scientific Corporation
Type 1 Diabetes Mellitus, Hypoglycemia
24/7 Closed-loop in Older Subjects With Type 1 Diabetes
The main objective of this open-label, multi-centre, randomised, crossover design study is to determine whether automated day and night closed-loop insulin delivery for 16 weeks under free living conditions is safer and more…
- Conditions
- Type 1 Diabetes Mellitus, Hypoglycemia, Arrythmia
- Trial name
- DAN06 (NCT04025762)
- Testing
- Hybrid closed-loop system (CamAPS FX), Sensor augmented pump therapy
- Where
- 2 sites in United Kingdom
- Volunteers
- 38 people
- Sponsor
- University of Cambridge
Paroxysmal Atrial Fibrillation
Cryoballoon PVI With PWI Versus PVI Alone In Patients With PAF
Cryoballoon ablation has emerged as a safe and effective strategy for treatment of atrial fibrillation (AF) for which it has recently received a 'first-line' therapy indication by the FDA.
- Trial name
- NCT05296824
- Testing
- Cryoballoon ablation for the treatment of atrial fibrillation
- Where
- 4 sites in United States
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Sacramento EP Research
Chronic Heart Failure, Atrial Fibrillation
Curing Atrial Fibrillation in Heart Failure
Heart failure is a condition that occurs when the heart muscle weakens and no longer contracts normally. Half of these patients have an irregularity of heart rhythm called atrial fibrillation (AF).
- Trial name
- NCT00292162
- Testing
- radiofrequency ablation, ACE inhibitor - ramipril, enalapril, captopril, perindopril, lisinopril, Beta Blocker (BB) - metoprolol, bisoprolol, carvedilol
- Where
- United Kingdom
- Volunteers
- 41 people
- Sponsor
- NHS Greater Glasgow and Clyde
Heart Diseases, Rhythm; Abnormal
BIO|CONCEPT.ECG-Library (Collection of ECG Signals for Development of Algorithms)
Collection of Holter surface ECGs for the development of new sensing and detection algorithms
- Trial name
- NCT04243070
- Testing
- 3-channel Holter ECG recording, 12-channel Holter ECG recording
- Where
- 5 sites in Germany
- Volunteers
- 89 people
- Sponsor
- Biotronik SE & Co. KG
Atrial Fibrillation
Clinical Trial Comparing Devices Used for Cardioversion of Atrial Fibrillation
The goal of this single center, investigator initiated, open label prospective randomized controlled trial is to compare the efficacy of a single 200J RBW shock and a single 360J BTE shock.
- Trial name
- NCT05992623
- Testing
- Zoll external defibrillator, Lifepak external defibrillator
- Where
- United States
- Volunteers
- 546 people
- Sponsor
- Inova Health Care Services
Paroxysmal Atrial Fibrillation
Navi-Star Thermo-Cool Catheter For Ablation of Atrial Fibrillation
The objective of this study is to demonstrate that the NAVI-STAR THERMO-COOL catheter can be used to safely and effectively reduce symptomatic episodes of paroxysmal atrial fibrillation in patients with frequent (>3…
- Trial name
- NCT00584415
- Testing
- GP ablation + PV isolation
- Where
- United States
- Volunteers
- 119 people
- Sponsor
- University of Oklahoma
Atrial Fibrillation, Alcohol
The HOLIDAY (HOw ALcohol InDuces Atrial TachYarrhythmias) Study
Atrial fibrillation (AF) is the most common sustained arrhythmia in the United States and it has been associated with ethanol use.
- Trial name
- HOLIDAY (NCT01996943)
- Testing
- Ethanol
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of California, San Francisco
Atrial Fibrillation
Microfidelity (MIFI) Ablation Technology Versus Standard Ablation Catheter for Atrioventricular Nodal Ablation
The aim of our study is to investigate the comparative efficacy of high fidelity multi electrode ablation catheters vs the standard bipolar configuration in success of AV nodal ablation This study will provide insights on the use…
- Trial name
- NCT03114124
- Testing
- MIFI Catheter, Standard Ablation Catheter
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Florida
Atrial Fibrillation
A Study of the Efficacy and Safety of Vernakalant Hydrochloride (MK-6621) in Patients With Atrial Fibrillation (MK-6621-010 AM4)
This study will investigate if treatment with vernakalant hydrochloride (MK-6621) results in a greater proportion of patients with treatment-induced conversion of Atrial Fibrillation to sinus rhythm compared to placebo.
- Trial name
- NCT01174160
- Testing
- vernakalant hydrochloride
- Volunteers
- 123 people
- Sponsor
- Advanz Pharma
Tachycardia, Ventricular, Arrhythmia, Ventricular
Effectiveness of the EMPOWER™ Modular Pacing System and EMBLEM™ Subcutaneous ICD to Communicate Antitachycardia Pacing
The MODULAR ATP Clinical Study is designed to demonstrate safety, performance, and effectiveness of the Modular Cardiac Rhythm Management (mCRM) Therapy System.
- Trial name
- MODULAR ATP (NCT04798768)
- Testing
- mCRM Therapy System
- Where
- 38 sites in United States, Austria and 7 more
- Volunteers
- 297 people
- Sponsor
- Boston Scientific Corporation
Cardiomyopathy, Dilated, Arrhythmia
Mental Stress Reduction in Defibrillator Patients
The purpose of this study is to assess the effectiveness of a 10 week program of Stress Management versus control Patient Education sessions on cardiac responses to mental stress in veterans with Implantable…
- Conditions
- Cardiomyopathy, Dilated, Arrhythmia, Anger, Stress
- Trial name
- NCT00624520
- Testing
- Cognitive Behavioral Stress Management (CBSM), Patient Education
- Where
- 2 sites in United States
- Volunteers
- 129 people
- Sponsor
- US Department of Veterans Affairs