Clinical trials: Risk of Cardiac Arrhythmias
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
Atrial Fibrillation
Feasibility Study to Improve AF Outcomes Using a Digital Application for CV Risk Reduction
The pilot portion of this study is to determine the feasibility of utilizing AF CARE to provide lifestyle modification support to patients with atrial fibrillation (AF).
- Trial name
- AFCARE (NCT04050982)
- Testing
- AF CARE, Usual Care
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Stanford University
Atrial Fibrillation, Vascular Risk
Atrial Fibrillation Clopidogrel Trial With Irbesartan for Prevention of Vascular Events (ACTIVE A)
The purpose of this study is to determine if the combination of clopidogrel 75mg once daily (od) plus aspirin 100mg daily (recommended dose) is better than aspirin alone (100mg daily recommended dose) for preventing vascular…
- Trial name
- NCT00249873
- Testing
- clopidogrel (SR25990C)
- Where
- 30 sites in United States, Argentina and 28 more
- Volunteers
- 7,554 people
- Sponsor
- Sanofi
Paroxysmal Atrial Fibrillation
Oral Anticoagulation Therapy Pilot Study
The objective of this study is to determine the safety of discontinuing oral anticoagulation therapy in high risk patients who have had a successful cardiac ablation and remain AF recurrence free for 3 months post ablation.
- Trial name
- OAT (NCT01959425)
- Testing
- Off OAT Group (Test), On OAT Group (Control)
- Volunteers
- 80 people
- Sponsor
- Biosense Webster, Inc.
Myocardiopathies, Ischemia, Myocardial
Extracellular Matrix Marker of Arrhythmia Risk (EMMA)
Assess whether serum levels of MMP 2 and or MMP 9 correlate with episodes of ventricular tachycardia or fibrillation in patients who have implantable cardioverter defibrillator devices.
- Conditions
- Myocardiopathies, Ischemia, Myocardial, Arrythmia, Death, Sudden, Cardiac
- Trial name
- EMMA (NCT00376532)
- Where
- United States
- Volunteers
- 63 people
- Sponsor
- Thomas Jefferson University
Cardiac Surgery
Risk of Oxygen During Cardiac Surgery Trial
The investigators will recruit and randomize 200 elective cardiac surgery patients to receive physiologic oxygenation (normoxia) or hyper-oxygenation (hyperoxia) during surgery to test the hypothesis that intraoperative…
- Trial name
- ROCS (NCT02361944)
- Testing
- Oxygen - normoxia, Oxygen - hyperoxia
- Where
- United States
- Volunteers
- 213 people
- Sponsor
- Vanderbilt University
Atrial Fibrillation, Atrial Flutter
Combined Use of BIOTRONIK Home Monitoring and Predefined Anticoagulation to Reduce Stroke Risk
The IMPACT Study will investigate the potential clinical benefit of the combined use of BIOTRONIK Home Monitoring (HM) technology and a predefined anticoagulation plan compared to conventional device evaluation and…
- Conditions
- Atrial Fibrillation, Atrial Flutter, Stroke, Embolism, Systemic Arterial
- Trial name
- IMPACT (NCT00559988)
- Testing
- Home Monitoring Guided OAC, Physician-Directed OAC
- Where
- 80 sites in United States, Australia and 4 more
- Volunteers
- 2,718 people
- Sponsor
- Biotronik, Inc.
Atrial Fibrillation, Stroke
Intention to Prescribe/Take OAC Depending on the Number of Risk Diagrams , and Period for the Estimation of the Risk.
Randomized study concerning the effect of the number of risk diagrams (with treatment +/- without treatment), the period of stroke risk estimation (one year or five years) and the target of prescription (the patient with atrial…
- Trial name
- NCT02746107
- Testing
- decision aid
- Where
- Romania
- Volunteers
- 968 people
- Sponsor
- Cristian Baicus
Arrhythmogenic Right Ventricular Dysplasia, Brugada Syndrome
Distribution of Cell-cell Junction Proteins in Arrhythmic Disorders
Every week in the UK, 12 apparently healthy and fit individuals under the age of 35 die suddenly, a tragic event known as sudden cardiac death (SCD).
- Conditions
- Arrhythmogenic Right Ventricular Dysplasia, Brugada Syndrome, Cardiac Channelopathy
- Trial name
- NCT04257994
- Testing
- obtaining a buccal smear sample
- Where
- United Kingdom
- Volunteers
- 26 people
- Sponsor
- St. George's Hospital, London
Prevention of Stroke or Systemic Embolism, Atrial Fibrillation
A Study to Learn How Well the Study Treatment Asundexian Works and How Safe it is Compared to Apixaban to Prevent Stroke or Systemic Embolism in People With Irregular and Often Rapid Heartbeat (Atrial Fibrillation), and at Risk for Stroke
Researchers are looking for a better way to treat people with atrial fibrillation (AF) and prevent stroke or systemic embolism (blood clots travelling through the blood stream to plug another vessel).
- Trial name
- OCEANIC-AF (NCT05643573)
- Testing
- Asundexian (BAY2433334), Apixaban
- Where
- 1,069 sites in United States, Argentina and 36 more
- Volunteers
- 14,830 people
- Sponsor
- Bayer
Atrial Fibrillation
Evaluation the Effectiveness of the Risk Minimisation Activities in the Treatment of Stroke Prevention in Atrial Fibrillation
The key focus of this survey will be to collect data on physicians awareness of the content of the Pradaxa® Prescriber Guide and the extent to which risk awareness is communicated to patients.
- Trial name
- NCT02433366
- Where
- 161 sites in Bulgaria, Czechia and 6 more
- Volunteers
- 1,213 people
- Sponsor
- Boehringer Ingelheim
Ventricular Tachycardia, Ventricular Fibrillation
The Use of Dual Chamber ICD With Special Programmed Features to Lower the Risk of Inappropriate Shock
The RAPTURE Study will determine whether dual chamber defibrillators with atrial prevention and termination therapies, minimized ventricular pacing, and remote monitoring will reduce the rate of inappropriate shocks and improve…
- Conditions
- Ventricular Tachycardia, Ventricular Fibrillation, Atrial Fibrillation, Supraventricular Tachycardia
- Trial name
- RAPTURE (NCT00787800)
- Testing
- Dual Chamber ICD, Single Chamber ICD
- Where
- 4 sites in United States, Israel
- Volunteers
- 100 people
- Sponsor
- Mayo Clinic
Cardiovascular Diseases, Myocardial Infarction
Improving How Older Adults at Risk for Cardiovascular Outcomes Are Selected for Care Coordination
This pragmatic clinical trial embedded in an accountable care organization will determine the comparative effectiveness of two approaches for assigning care coordinators to older adults at risk for cardiovascular outcomes.
- Conditions
- Cardiovascular Diseases, Myocardial Infarction, Atrial Fibrillation, Diabetes Mellitus
- Trial name
- NCT05820295
- Testing
- Care coordination delivered based on perceived need, Care coordination delivered based on usual care (e.g. discharge from hospital)
- Where
- United States
- Volunteers
- 400 people
- Sponsor
- Weill Medical College of Cornell University
Atrial Fibrillation, Behavior
Patient Centered Mobile Health Technology Enabled Atrial Fibrillation Management
The overall objective of this proposal is to evaluate the feasibility of a comprehensive digital atrial fibrillation (AFib) management tool that will empower patients to a) take an active role in learning about AFib management…
- Trial name
- mTECHAFib (NCT05400837)
- Testing
- Corrie Virtual Atrial Fibrillation Management Program
- Where
- United States
- Volunteers
- 61 people
- Sponsor
- Johns Hopkins University
Atrial Fibrillation, Heart Failure
Diagnostic Device Risk Management of Atrial Fibrillation and Heart Failure
The purpose of this study is to characterize the feasibility and impact of a diagnostic tool that may help clinicians identify when patients are at higher risk of visiting the hospital for a heart failure event.
- Trial name
- IDENTIFY-HF (NCT01486316)
- Testing
- Reveal XT® Insertable Cardiac Monitor, Heart Failure Risk Status Diagnostic
- Where
- 11 sites in United States
- Volunteers
- 24 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Atrial Fibrillation
Anticoagulation Therapy in the Very Old
This study is designed to evaluate the efficacy and safety of warfarin anticoagulation in the very old and attempt to identify risk factors which may impede safe and effective anticoagulation.
- Trial name
- ATIVO (NCT03103763)
- Testing
- Warfarin
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- Robert Stein
Atrial Fibrillation
Anticoagulants Comparative Benefit-risk Ratio in Real Life
The study is an analysis using the French national health insurance database, six months after the beginning of NOAC launch in the NVAF indication.
- Trial name
- NCT02785354
- Where
- France
- Volunteers
- 103,101 people
- Sponsor
- Boehringer Ingelheim
Prolonged QT Interval in EKG and Sudden Death
Influence of Progesterone Administration on Drug-Induced QT Interval Lengthening
Female sex is an independent risk factor for the potentially fatal drug-induced arrhythmia (irregular heartbeat) known as torsades de pointes (TdP), which is associated with prolongation of the corrected QT (QTc) interval on the…
- Trial name
- NCT01929083
- Testing
- Progesterone, Ibutilide
- Where
- 2 sites in United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Indiana University
Sick Sinus Syndrome, Complete Heart Block
Perioperative Antibiotic Therapy to Prevent Cardiac Implantable Electronic Device Infections.
The number of cardiac implantable electronic devices (CIEDs) implanted each year has grown rapidly over the past two decades. CIED infections, defined as infections involving the generator implant site (pocket) and/or…
- Conditions
- Sick Sinus Syndrome, Complete Heart Block, Syncope, Chronic Systolic Heart Failure
- Trial name
- ENVELOPE (NCT02809131)
- Testing
- polymixin/bacitracin, cephalexin, or levofloxacin, or clindamycin, Saline
- Where
- United States
- Volunteers
- 1,010 people
- Sponsor
- Vanderbilt University Medical Center
Atrial Fibrillation
REVEAL AF: Incidence of AF in High Risk Patients
This study is to determine, through continuous monitoring with the Reveal implantable cardiac monitor (ICM), the incidence of atrial fibrillation (AF) in patients suspected to be at high risk for having AF and to understand how…
- Trial name
- NCT01727297
- Testing
- REVEAL Implantable Cardiac Monitor
- Where
- 58 sites in United States, Austria and 5 more
- Volunteers
- 446 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure