Clinical trials: Conduction Block
Cardiac Arrhythmia, Heart Failure
Ultrasound-guided Venous Access for Pacemaker and Defibrillator Implants
The study will include patients scheduled for transvenous pacemaker- or implantable defibrillator surgery, where venous access is necessary for lead implantation.
- Conditions
- Cardiac Arrhythmia, Heart Failure, AV Block
- Trial name
- TUFF (NCT04867460)
- Testing
- Ultrasound guided venous access
- Where
- Sweden
- Volunteers
- 58 people
- Sponsor
- Region Skane
Pacemaker DDD, Heart Block
Conduction System Pacing With Left Bundle Branch Pacing as Compared to Standard Right Ventricular Pacing
High burden right ventricular (RV) pacing has been shown to increase cardiovascular mortality, incidence of heart failure (HF), worsen left ventricular (LV) function and accelerate the development of atrial fibrillation (AF).
- Trial name
- NCT05015660
- Testing
- Left bundle branch pacing lead, Right ventricular active fixation lead
- Where
- Canada
- Volunteers
- 1,300 people
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Left Bundle-Branch Block, Heart Failure
The Left Bundle Cardiac Resynchronization Therapy Trial
Cardiac resynchronization therapy (CRT) via biventricular (BiV) pacing significantly reduces morbidity and mortality in patients with left bundle branch block (LBBB), impaired LV function and heart failure in spite of optimal…
- Conditions
- Left Bundle-Branch Block, Heart Failure, Impaired Left Ventricular Function
- Trial name
- NCT05434962
- Testing
- Cardiac resynchronization therapy
- Where
- 10 sites in Spain
- Volunteers
- 176 people
- Sponsor
- Óscar Cano Pérez
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
Transcatheter Aortic Valve Implantation, Physiological Pacing
Randomized Study of Physiological vs Right Ventricular Pacing in Patients With Normal Ventricular Function Post TAVI
Single-center randomized trial in patients with pacing indication (AV block) after TAVI (transfemoral aortic valve implantation) and LVEF> 50%, that aims to study the percentage of patients who improve at 12 months in a combined…
- Conditions
- Transcatheter Aortic Valve Implantation, Physiological Pacing, Right Ventricular Pacing, AV Block
- Trial name
- PHYSTAVIII (NCT06197503)
- Testing
- Conduction system pacing, Right ventricular pacing
- Where
- Spain
- Volunteers
- 48 people
- Sponsor
- Hospital Clinic of Barcelona
Sick Sinus Syndrome, Pacemaker
Evaluation of Ventricular Pacing Suppression Algorithms in Dual Chamber Pacemaker
The recent study using IRSplus and VpS algorithm from Biotronik pacemaker showed the significant reduction in ventricular pacing to less than 3%.
- Conditions
- Sick Sinus Syndrome, Pacemaker, Heart Failure
- Trial name
- LEADER (NCT03843242)
- Testing
- Pacemaker with Fixed long AV delay, Pacemaker with VpS® algorithm on, Pacemaker with IRSplus algorithm on
- Where
- 6 sites in South Korea
- Volunteers
- 146 people
- Sponsor
- Keimyung University Dongsan Medical Center
Heart Failure (HF)
Systematic Withdrawal of Neurohumoral Blocker Therapy in Optimally Responding CRT Patients
The primary objective of this study is to demonstrate that in patients with recuperated/normalized left ventricular function, defined as an ejection fraction (EF) ≥ 50%, after implantation of cardiac resynchronization therapy…
- Trial name
- STOP-CRT (NCT02200822)
- Testing
- beta blockers, RAAS blockers
- Where
- Belgium
- Volunteers
- 80 people
- Sponsor
- Hasselt University
Atrioventricular Block, Left Bundle Branch Pacing
Long-term Efficacy and Safety Research of Left Bundle Branch Pacing
Patients with successful left bundle branch pacing in our center were included in this study from April 2018 to December 2019. Baseline data was collected, and pacing parameters, ECG and echocardiographic results were analyzed…
- Trial name
- NCT05600699
- Testing
- Cardiac pacemaker and Select Secure lead
- Where
- China
- Volunteers
- 136 people
- Sponsor
- Linyi People's Hospital
Heart Failure
Choosing the Right Pacing Mode in Heart Failure - The CHOICE Trial
The aim of the study is to see if biventricular pacemakers offer any advantage over conventional pacemakers in patients with heart failure who require pacemakers.
- Trial name
- CHOICE (NCT00875732)
- Testing
- Bi Ventricular Pacing, Right Ventricular Pacing
- Where
- United Kingdom
- Volunteers
- 22 people
- Sponsor
- University of Dundee
Atrioventricular Block, Pacing Therapy
Central Haemodynamics and Pacing for AV Block
A randomized, single-blind study comparing two pacing strategies in patients with atrioventricular block requiring permanent pacemaker implantation.
- Conditions
- Atrioventricular Block, Pacing Therapy, Right Ventricular Pacing, Conduction System Pacing
- Trial name
- PACE-CCQ (NCT07276490)
- Testing
- Right ventricular pacing, Conduction system pacing
- Where
- 2 sites in Estonia
- Volunteers
- 124 people
- Sponsor
- University of Tartu
Heart Failure, Right Bundle-Branch Block
Pacing Affects Cardiovascular Endpoints in Patients With Right Bundle-Branch Block (The PACE-RBBB Trial)
Heart failure (HF) affects 5 million Americans and is responsible for more health-care expenditure than any other medical diagnosis.
- Trial name
- PACE-RBBB (NCT01169493)
- Testing
- VVI-40, RV DDD-40, BiV DDD-40
- Where
- 2 sites in United States
- Volunteers
- 16 people
- Sponsor
- Duke University
Anesthesia, Local, Nerve Block
Lateral Sagittal vs Costoclavicular Approach for Ultrasound-Guided Infraclavicular Block
An ultrasound-guided infraclavicular block performed with the costoclavicular (CC) approach and the lateral sagittal (LS) approach will be compared in patients scheduled for forearm and hand surgery.
- Conditions
- Anesthesia, Local, Nerve Block, Brachial Plexus Block
- Trial name
- NCT04356521
- Testing
- Lateral Sagittal Approach, Costoclavicular Approach
- Where
- Turkey (Türkiye)
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Ondokuz Mayıs University
Sinus Node Dysfunction
Effectiveness of Closed Loop Stimulation (CLS) With His Bundle Lead Placement
This study is a prospective, non-randomized pilot study looking to evaluate the effectiveness of Closed Loop Stimulation (CLS) in sinus node dysfunction patients with HIS bundle placement.
- Trial name
- NCT03601754
- Testing
- Treadmill/Bicycle exercise testing
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- NYU Langone Health
Atrial Fibrillation
Adenosine to Assess Complete Conduction Block During Catheter Ablation of Paroxysmal Atrial Fibrillation
The purpose of this study is to determine if additional ablation during the first procedure as the result of the ability to medically induce quiet atrial arrhythmias will improve clinical outcome in patients with atrial…
- Trial name
- NCT03032965
- Testing
- Adenosine, Isoproterenol
- Where
- United States
- Volunteers
- 131 people
- Sponsor
- University of Michigan
Atrial Fibrillation, Sick Sinus Syndrome
PACE-AF: Prospective Analysis of Cardiac Electrostimulation and Atrial Fibrillation
PACE-AF is a prospective, observational patient registry designed to evaluate the impact of pacemaker algorithms on atrial fibrillation (AF) incidence, progression, and clinical outcomes in patients implanted with dual-chamber…
- Conditions
- Atrial Fibrillation, Sick Sinus Syndrome, Atrioventricular Block
- Trial name
- PACE-AF (NCT07279207)
- Where
- Russia
- Volunteers
- 500 people
- Sponsor
- Ilya Lukin
Arhythmia, Atrioventricular Heart-block
Observation of ImageReady™ MR Conditional Pacing System in China
To observe the safety and efficacy of ImageReady™ MR Conditional Pacing System in Chinese subjects
- Conditions
- Arhythmia, Atrioventricular Heart-block, Chronic Bundle Branch or Branch Block, Carotid Sinus Hypersensitivity Reaction Syndrome
- Trial name
- NCT02636712
- Testing
- ImageReady™ MR Conditional Pacing System
- Where
- 2 sites in China
- Volunteers
- 10 people
- Sponsor
- Boston Scientific Corporation
Covid19
Patterns of Arrhythmias and Conduction Block in COVID-19 Patients and Its Relation to Myocardial Injury Detected by Cardiac Magnetic Resonance
Detection of the incidence and types of arrhythmia and conduction block in COVID - 19 patients Detection and description of CMR patterns of myocardial injury in COVID-19 patients with arrhythmias.
- Trial name
- NCT04584411
- Testing
- Cardiac Magnetic resonance imaging
- Volunteers
- 50 people
- Sponsor
- Assiut University
Congestive Heart Failure, Left Bundle Branch Block
MIRACLE EF Clinical Study
This study is looking at whether the electrical treatment provided by a special type of pacemaker called a Cardiac Resynchronization Therapy (CRT) pacemaker may keep a patient's heart failure from getting worse.
- Conditions
- Congestive Heart Failure, Left Bundle Branch Block, Systolic Heart Failure
- Trial name
- MIRACLE EF (NCT01735916)
- Testing
- CRT-P Implant, CRT-P OFF
- Where
- 73 sites in United States, India and 3 more
- Volunteers
- 44 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Heart Block, Heart Failure
Right Apical Versus Septal Pacing Trial
The purpose of this study is to examine whether RV (right ventricular)septal pacing has any effect on LV ( left ventricular) function than RV apical pacing in patients who require ventricular pacing.
- Trial name
- RASP (NCT00199498)
- Testing
- Apical RV lead placement, Septal RV lead placement
- Where
- Canada
- Volunteers
- 160 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
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