Clinical trials: Sick Sinus Syndrome
Sinus Bradycardia, Sinus Node Disease
IES-ACap: Influence of Atrial Pulse Width in the Behaviour of ACap™ Confirm Algorithm.
The purpose of this observational study is to collect data regarding the population of patients with a pacemaker implanted.
- Conditions
- Sinus Bradycardia, Sinus Node Disease, Atrio-ventricular Block
- Trial name
- IES-ACap (NCT00832260)
- Volunteers
- 70 people
- Sponsor
- Abbott Medical Devices
Death, Sudden, Cardiac, Ventricular Fibrillation
DISCOVERY: Diagnostic Data and Genetic Polymorphisms in ICD Patients.
To prospectively evaluate if the analysis of genetic polymorphisms can be used to identify patients at risk of ventricular tachycardia.
- Conditions
- Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Atrial Fibrillation
- Trial name
- DISCOVERY (NCT00478933)
- Testing
- Defibrillator, Dual Chamber ; Implantable, Blood sampling
- Volunteers
- 1,223 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
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
Atrioventricular Block, Sick Sinus Syndrome
AV Delay Optimization vs. Intrinsic Conduction in Pacemaker Patients With Long PR Intervals
This is a randomized, prospective clinical trial to determine the effects of two different pacemaker atrioventricular delay (AV delay) settings on heart function in patients with dual chamber pacemakers implanted for symptomatic…
- Conditions
- Atrioventricular Block, Sick Sinus Syndrome, Symptomatic Bradycardia, Cardiac Arrhythmia
- Trial name
- AV Delay (NCT02154750)
- Testing
- Long, fixed AV delay, Short, optimized AV delay
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- University of California, San Diego
Congenital Heart Disease, Bradycardia Sinus
Specialized Pacing for Patients With Congenital Heart Disease
The closed-loop stimulation (CLS) algorithm is a novel sensor-based technology that relies on the change in myocardial systolic impedance for modulation of the heart rate during physical and emotional stress.3 The pacing…
- Trial name
- NCT03361189
- Testing
- Closed loop stimulation, Standard rate response
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- University of California, Los Angeles
Left Ventricular Dysfunction, Cardiac Conduction Defect
Left Ventricular Septum Pacing in Patients by Transvenous Approach Through the Inter-ventricular Septum
Cardiac pacing is the only effective treatment for symptomatic bradycardia. The right ventricular apex (RVA) has become the most frequently used ventricular pacing site.
- Conditions
- Left Ventricular Dysfunction, Cardiac Conduction Defect, Heart Failure, Sick Sinus Syndrome
- Trial name
- NCT01609738
- Testing
- Left ventricular septum pacing lead
- Where
- Netherlands
- Volunteers
- 12 people
- Sponsor
- Maastricht University Medical Center
Sick Sinus Syndrome, Complete Atrioventricular Block
Zero-fluoroscopic Navigation Versus Conventional Fluoroscopic Navigation for Single-chamber Pacemaker Implantation
This study is intended to compare the feasibility, safety and efficacy of Ensite-NavX zero-fluoroscopic navigation system to conventional fluoroscopic X-ray approach as to performing single-chamber pacemaker implantation.
- Conditions
- Sick Sinus Syndrome, Complete Atrioventricular Block, High Degree Second Degree Atrioventricular Block, Bradycardia
- Trial name
- ZF-PMSC (NCT03118440)
- Testing
- zero-fluoroscopy 3D navigation, conventional x-ray navigation
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Tongji Hospital
Sick Sinus Syndrome, Atrioventricular Nodal Dysfunction
Left Bundle Branch Versus Minimized Ventricular Pacing in Patients With Sick Sinus Syndrome and Prolonged AV Interval
The goal of this clinical trial is to compare two pacemaker strategies: Left Bundle Branch Area Pacing (LBBAP) and Minimized Ventricular Pacing (MVP) in patients requiring a permanent pacemaker for sick sinus syndrome and…
- Trial name
- CLOSE-AV (NCT07314008)
- Testing
- LBBAP, MVP
- Where
- South Korea
- Volunteers
- 440 people
- Sponsor
- Asan Medical Center
Gastrointestinal Fistula
Investigating the Role of EN in NTIS Among Fistula Patients
The purpose of this study is to investigate whether enteral nutrition are effective in the treatment of nonthyroidal illness syndrome among fistula patients.
- Trial name
- EN;NTIS (NCT02038504)
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Jinling Hospital, China
Sick Sinus Node Syndrome
Model 20105 Lead Study
The purpose of this study is to evaluate the implant procedure and feasibility of a new lead developed to pace and sense the left chambers of the heart.
- Trial name
- NCT02301429
- Testing
- Model 20105
- Where
- 4 sites in Canada, Netherlands and 2 more
- Volunteers
- 16 people
- Sponsor
- Medtronic BRC
Sick Sinus Syndrome
Ventricular Pace Suppression Versus Intrinsic Rhythm Support Study
The objective of this study is to intra-individually compare the performances of two pacemaker algorithms designed to reduce unnecessary right ventricular pacing: Intrinsic Rhythm Support Plus (IRSplus) and Ventricular Pace…
- Trial name
- VIPERS (NCT01528657)
- Testing
- Ventricular Pace Suppression (Vps), Intrinsic rhythm support (IRSplus)
- Where
- 20 sites in Italy
- Volunteers
- 230 people
- Sponsor
- Biotronik SE & Co. KG
Sick Sinus Syndrome, Heart Block
Virtual Clinic Pacemaker Follow-up
Patients with implanted pacemakers are currently seen by their cardiologists every 6-12 months. Shorter follow-up intervals are generally seen as excessive workload for the physician, with little benefit for the patient.
- Conditions
- Sick Sinus Syndrome, Heart Block, Bradycardia
- Trial name
- VIRTUE (NCT00475124)
- Testing
- Home Monitoring of pacemaker, Home Monitoring of pacemaker deactivated
- Where
- 6 sites in United Kingdom
- Volunteers
- 123 people
- Sponsor
- Biotronik SE & Co. KG
Atrial Fibrillation, Atrial Flutter
Suture Closure AFtEr VEIN Access for Cardiac Procedures (SAFE-VEIN) Trial
Primary objective: To compare the safety and efficacy of closure strategies post venous access procedures. Hypothesis: We anticipate that the use of a venous closure device will decrease the time to hemostasis (TTH), time to…
- Conditions
- Atrial Fibrillation, Atrial Flutter, Heart Block, Pulmonary Embolism and Thrombosis
- Trial name
- SAFE-VEIN (NCT04632641)
- Testing
- Perclose ProGlide Suture-Mediated Closure System (SMC) - LARGE-BORE PROCEDURES, Figure 8 Suture - LARGE-BORE PROCEDURES
- Where
- United States
- Volunteers
- 107 people
- Sponsor
- Wake Forest University Health Sciences
Sinus Node Dysfunction, Atrial Fibrillation
Atrial Fibrillation With Sinus Node Dysfunction: Intensive Device Follow-up
The study will try to access the efficacy of atrial pacing, medication and radiofrequency ablation in treating patients with paroxysmal atrial fibrillation and sinus node dysfunction; to identify the response to these treatments…
- Trial name
- SAFE PAF-SND (NCT03607123)
- Testing
- programing of pacemaker, AF ablation, Anti arryhthmic drugs
- Where
- China
- Volunteers
- 200 people
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
Arrhythmia, Sinus
EnTRINSIC - EnPulse Trial on Search AV+ Influence
Right ventricular apical pacing in patients treated with a pacemaker is unnecessary in cases where patients have stable atrioventricular (AV)-conduction.
- Trial name
- NCT00157794
- Testing
- Search AV+ algorithm
- Where
- 14 sites in Germany
- Volunteers
- 135 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Heart Block, Sick Sinus Syndrome
Impact of Septal Vs Apical Pacing on Right and Left Ventricular Performance
The study aims to use cardiac MRI scans and analysis techniques to evaluate differences in cardiac function after 12 months of pacing in patients with pacing leads placed in different positions within the right ventricle…
- Conditions
- Heart Block, Sick Sinus Syndrome, Atrioventricular Block, Ventricular Dysfunction
- Trial name
- NCT01798043
- Testing
- Cardiac MRI with pacemaker stimulation, Cardiac MRI with and without pacemaker stimulation
- Where
- Switzerland
- Volunteers
- 29 people
- Sponsor
- Abbott Medical Devices
Sinus Node Dysfunction
Permanent Pacemaker Implantation or Cardioneuroablation in Sinus Node Dysfunction
This is a noncommercial, physician-initiated, monitored, multicenter, prospective randomized clinical trial, a proof-of-concept study, investigating a treatment strategy only.
- Trial name
- SANOK (NCT05196126)
- Testing
- Permament pacemaker implantation, Cardioneuroablation
- Where
- 4 sites in Poland
- Volunteers
- 60 people
- Sponsor
- Stec, Sebastian, MD, PhD, FESC
Sinus Node Disease
To Pace or Not to Pace in Sinus Node Disease
Optimal pacing strategy for patients with SND is still unknown, although several publications in the past years demonstrated a deleterious effect of ventricular pacing.
- Trial name
- OPTIMIST (NCT02485093)
- Testing
- Septal ventricular pacing, VIP
- Where
- France
- Volunteers
- 215 people
- Sponsor
- Abbott Medical Devices
Sinus Node Disease
Clinical Benefits of the Closed Loop Stimulation in Sinus Node Disease
The study is designed as a multi-center, international, prospective, parallel, randomized, single blinded trial comparing the time to first primary endpoint event (Sustained Paroxysmal AF/Persistent AF or stroke/TIA) occurrence…
- Trial name
- B3 (NCT02579889)
- Testing
- DDD+CLS, DDD(R)
- Where
- 54 sites in China, Hungary and 7 more
- Volunteers
- 1,390 people
- Sponsor
- Biotronik SE & Co. KG
Sick Sinus Syndrome, Atrioventricular Block
Taiwan Registry for Leadless Pacemaker
Taiwan Registry for Leadless Pacemaker is a nationwide registry for leadless pacemaker performance in Taiwan.
- Trial name
- NCT04926792
- Testing
- Leadless Pacemaker
- Where
- Taiwan
- Volunteers
- 300 people
- Sponsor
- National Taiwan University Hospital