Clinical trials: Sick Sinus Syndrome
Sick Sinus Syndrome
The Role of Angiotensinogen Gene Polymorphism in the Pathogenesis of Non-familial Sick Sinus Syndrome
Evidence has been documented for the close relationship between the arrhythmia pathogenesis and the gene expression in renin-angiotensin system.
- Trial name
- NCT01310920
- Testing
- observation
- Where
- Taiwan
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Sinus Node Dysfunction, Brady Tachy Syndrome
Prevention of Atrial Arrhythmia in Patients Without Atrioventricular (AV) Conduction Disease
This clinical investigation is a prospective, single-blinded, randomized trial. The primary objective concerns the safety and effectiveness of the AAIsafeR mode with the preventive algorithms.
- Trial name
- NCT01170611
- Testing
- PACEMAKER SYMPHONY 2550
- Where
- 52 sites in United States, Belgium and 6 more
- Volunteers
- 400 people
- Sponsor
- LivaNova
Atrial Fibrillation
The Effect of Losartan on Atrial Fibrillation (AF) Burden and Pacemaker Dependence in Patients With Sick Sinus Syndrome
This is a an investigator-initial, multicenter, open-label, randomized, parallel-group comparative study to evaluate the effect on the incidence of AF and pacemaker dependence in SSS patients receiving physiological atrial-based…
- Trial name
- NCT00647257
- Testing
- Losartan
- Where
- Taiwan
- Volunteers
- 220 people
- Sponsor
- Chung Shan Medical University
Death, Sudden, Cardiac, Ventricular Fibrillation
Medtronic Genetic Arrhythmia Markers for Early Detection (GAME Study)
To generate a list of potential genetic markers that correlate with an increased risk of life-threatening arrhythmias. To evaluate ECG-based risk markers such as heart rate variability and T-wave Alternans for their association…
- Conditions
- Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Atrial Fibrillation
- Trial name
- GAME (NCT00664807)
- Where
- United States
- Volunteers
- 1,023 people
- Sponsor
- Medtronic Corporate Technologies and New Ventures
Atrial Fibrillation, Bradycardia
Prospective Registry of Pacemaker Patients Concerning Percentage of Right Ventricular Pacing, LVEF and NYHA Class
This registry is a data collection on patients who are implanted for more than 6 months with a pacemaker. Frequency and distribution of right ventricular pacing, NYHA class and left ventricular ejection fraction shall be…
- Conditions
- Atrial Fibrillation, Bradycardia, Heart Block, Sick Sinus Syndrome
- Trial name
- NCT00292539
- Testing
- Any pacemaker with right ventricular pacing option
- Where
- Germany
- Volunteers
- 600 people
- Sponsor
- Guidant Corporation
Sick Sinus Syndrome
The Danish Multicenter Randomised Study on AAI Versus DDD Pacing in Sick Sinus Syndrome
Hypothesis Treatment with rate adaptive single chamber atrial pacing (AAIR) reduces the risk of death compared with rate adaptive dual chamber pacing (DDDR) in patients with sick sinus syndrome (SSS).
- Trial name
- NCT00236158
- Testing
- AAIR/DDDR pacemaker
- Where
- Denmark
- Volunteers
- 1,415 people
- Sponsor
- The DANPACE Investigator Group
Sinus Node Dysfunction, Bradycardia-Tachycardia Syndrome
Spontaneous Atrio Ventricular Conduction Preservation
In case of sinus node dysfunction, it is often necessary to choose the safer option provided by a DDD pacemaker even though the most appropriate mode of pacing is AAI mode.
- Conditions
- Sinus Node Dysfunction, Bradycardia-Tachycardia Syndrome, Paroxysmal Atrioventricular Block
- Trial name
- SAVER (NCT00655213)
- Testing
- Symphony D 2450, Symphony DR 2550
- Where
- 67 sites in Belgium, France and 3 more
- Volunteers
- 622 people
- Sponsor
- LivaNova
Arrhythmia, Atrial Fibrillation
The Atrial High Rate Episodes in Pacemaker Patients
Prospective study assessing the incidence of atrial high rate episodes (AHRE) in pacemaker patients with and without previously diagnosed AT.
- Conditions
- Arrhythmia, Atrial Fibrillation, Atrioventricular Block, Bradycardia
- Trial name
- NCT00627328
- Where
- 42 sites in United States, Australia and 1 more
- Volunteers
- 427 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Sick Sinus Syndrome, Heart Failure, Congestive
SAVEPACe - Search AV Extension and Managed Ventricular Pacing for Promoting Atrio-Ventricular Conduction
SAVE PACe is a large, prospective, single-blinded, randomized clinical trial with the main objective to study the effect of unnecessary right ventricular apical pacing on the clinical outcome of time to development of persistent…
- Conditions
- Sick Sinus Syndrome, Heart Failure, Congestive, Atrial Fibrillation, Bradycardia
- Trial name
- SAVEPACe (NCT00284830)
- Testing
- Implantable Pulse Generators
- Where
- 67 sites in United States, Canada
- Volunteers
- 1,070 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Sick Sinus Syndrome, AV-Block
Left Ventricular Function and Remodelling During Permanent Pacing
1. Background - Pacemaker treatment gives asynchronous activation of the heart that often results in decreased heart function and clinical heart failure.
- Trial name
- NCT00228241
- Testing
- AAI vs. DDD vs. BIV pacing in different patients groups
- Where
- Denmark
- Volunteers
- 100 people
- Sponsor
- Aarhus University Hospital Skejby
Sick Sinus Syndrome
Pacing of the Atria in Sick Sinus Syndrome Trial Preventive Strategies for Atrial Fibrillation
The purpose of this study is to determine which of 4 lead positions is most effective for pacemaker patients with Sick Sinus Syndrome in order to avoid development of atrial fibrillation.
- Trial name
- NCT00161538
- Testing
- Pacing leads to be implanted according randomization., Selection 9000 prevent AF an Diagnose AF
- Where
- 12 sites in Germany
- Volunteers
- 456 people
- Sponsor
- Medtronic BRC
Sick Sinus Syndrome, Brady-Tachy Syndrome
Arrhythmia Restart Prevention and RatE STabilization in Atrial Fibrillation
The objective of this trial is to show the therapeutic efficacy of the preventive pacing therapies of the Selection 9000 and Vitatron T70 DR pacemakers, dedicated to handle atrial fibrillation (AF).
- Trial name
- NCT00224341
- Testing
- Pacemaker Vitatron Selection 9000, Pacemaker Vitatron T70
- Where
- 37 sites in France
- Volunteers
- 360 people
- Sponsor
- Vitatron France