Clinical trials: Cardiac Resynchronization
Heart Failure, Systolic
Narrow QRS Ischemic Patients Treated With Cardiac Resynchronization Therapy (NARROW CRT)
Current recommendations require a QRS duration of ≥120ms as a condition for prescribing cardiac resynchronization therapy (CRT).
- Trial name
- NARROW-CRT (NCT01577446)
- Testing
- cardiac resynchronization therapy
- Where
- Italy
- Volunteers
- 120 people
- Sponsor
- Ospedale Santa Maria di Loreto Mare
Heart Failure
Ivabradine in Patients With an Unsatisfactory Percentage of Cardiac Resynchronization Therapy
The purpose of this study is to determine the role of ivabradine in cardiac resynchronization recipients with an unsatisfactory percentage biventricular pacing.
- Trial name
- IvaCRT (NCT02166060)
- Testing
- Ivabradine
- Where
- Poland
- Volunteers
- 60 people
- Sponsor
- Medical University of Warsaw
Heart Failure
Cardiac Magnetic Resonance Imaging Guided Left Ventricular Lead Placement
Heart failure is a common, costly, disabling and potentially lethal condition. Despite well recognised and proven drug therapies, many patients remain breathless on exertion.
- Trial name
- NCT01417624
- Testing
- CMR Guidance in terms of guiding LV lead implantation
- Where
- United Kingdom
- Volunteers
- 70 people
- Sponsor
- Royal Brompton & Harefield NHS Foundation Trust
Heart Failure With Reduced Ejection Fraction, Left Bundle Branch Area Pacing
Left Bundle Branch Area Pacing in Patients With Heart Failure
The relevance of Left Bundle Branch Pacing (LBBP) lies in its potential as a promising treatment option for patients with heart failure and left bundle branch block.
- Conditions
- Heart Failure With Reduced Ejection Fraction, Left Bundle Branch Area Pacing, Heart Failure, Cardiac Resynchronization Therapy
- Trial name
- LBBAPHF (NCT06488989)
- Testing
- left bundle branch area pacing
- Where
- Kazakhstan
- Volunteers
- 50 people
- Sponsor
- National Research Center for Cardiac Surgery, Kazakhstan
Atrial Fibrillation
Cardiac Resynchronization Therapy Efficacy Enhancements
The purpose of this study is to demonstrate that the amount of effective CRT (Cardiac Resynchronization Therapy) pacing during AF (atrial fibrillation) when CAFRPlus (Conducted AF Response Plus) is applied is not inferior to the…
- Trial name
- CRTee (NCT02222818)
- Testing
- Conducted AF Response (CAFR), Conducted AF Response Plus (CAFRPlus)
- Where
- 19 sites in United States, Hungary and 5 more
- Volunteers
- 71 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Chronic Heart Failure, Ischemic Heart Disease
Echo Assessment of Intraventricular Dyssynchrony
Background. Clinical benefits of cardiac resynchronization therapy (CRT) have been clearly demonstrated in heart failure (HF) patients with severe left ventricular (LV) dysfunction and wide QRS at surface electrocardiogram.
- Conditions
- Chronic Heart Failure, Ischemic Heart Disease, Dilated Cardiomyopathy
- Trial name
- IMPROVE (NCT00646243)
- Where
- Italy
- Volunteers
- 336 people, healthy volunteers welcome
- Sponsor
- Italian Society of Cardiology
Heart Failure
Comparison of AV Optimization Methods Used in Cardiac Resynchronization Therapy (CRT)
The primary objective of SMART-AV is to assess the effect of SmartDelay for determining optimal AV delay timing during CRT compared to both a fixed AV delay and echocardiography-determined optimal AV timing chronically over a…
- Trial name
- SMART-AV (NCT00677014)
- Testing
- AV Delay programming through cardiac resynchronization therapy
- Where
- United States
- Volunteers
- 1,060 people
- Sponsor
- Boston Scientific Corporation
Heart Failure
Cardiac Resynchronization Therapy Modular Registry
The purpose of the study is to collect some parameters (clinical, electrical, radiographic, echocardiographic and ECG) able to predict response to cardiac resynchronization therapy.
- Trial name
- CRT-MORE (NCT01573091)
- Testing
- Cardiac Resynchronization Therapy
- Where
- 12 sites in Italy
- Volunteers
- 500 people
- Sponsor
- Giuseppe Ricciardi
Implantable Cardioverter Defibrillators, CRT-D Cardiac Resynchronization Therapy Defibrillator
LONGEVITY Study. Evaluation of the Device and Battery Longevity of Boston Scientific Market-released ICD and CRT-D Devices
The study is to determine the rate and cause of device replacements at 5 years post-implantation. It will assess the battery and device longevity of the Implantable Cardioverter Defibrillators (ICD) and CRT-D Cardiac…
- Trial name
- NCT02091011
- Where
- 80 sites in United States, Canada and 6 more
- Volunteers
- 1,600 people
- Sponsor
- Boston Scientific Corporation
Heart Failure
Quadripolar Pacing Post Approval Study
The purpose of this post-approval study is to evaluate the acute and chronic performance of a Quadripolar CRT-D device system in a patient population indicated for cardiac resynchronization therapy (CRT).
- Trial name
- Quad PAS (NCT01555619)
- Testing
- CRT-D System
- Where
- 71 sites in United States
- Volunteers
- 1,971 people
- Sponsor
- Abbott Medical Devices
Heart Failure
The Application of Negative Atrioventricular Hysteresis in Cardiac Resynchronization Therapy With MultiPoint Pacing
The purpose of this study is to evaluate the application of Negative AV Hysteresis (NAVH) to improve electrical synchrony in MultiPoint Pacing (MPP) Cardiac Resynchronization Therapy (CRT) patients.
- Trial name
- NCT02782598
- Testing
- CRT+NAVH
- Where
- Italy
- Volunteers
- 17 people
- Sponsor
- Abbott Medical Devices
Heart Failure
Medtronic South Asian Systolic Heart Failure Registry
The purpose of this study is to (a) characterize the current management of patients with systolic heart failure (HF) in South Asia following an educational intervention of current guidelines and delivery of disease management…
- Trial name
- SASHFR (NCT01434615)
- Testing
- CRT, No-CRT
- Where
- India
- Volunteers
- 502 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Cardiovascular Disease
Comparison of Cyanoacrylate Tissue Adhesive and Suture for Closure of Cardiac Device Pockets
The purpose of this study is to determine whether cyanoacrylate tissue adhesive is as effective as polyglactin 910 suture for surgical closure of cardiac device pockets.
- Trial name
- NCT00674128
- Testing
- Cyanoacrylate tissue adhesive (Dermabond), Polyglactin 910 suture (Vicryl)
- Where
- United States
- Volunteers
- 103 people
- Sponsor
- Mayo Clinic
Ventricular Arrhythmia
Evaluating Ventricular Arrhythmia in Subjects With Implantable Cardioverter Defibrillator or Cardiac Resynchronization Therapy-Defibrillator
The primary objective of this study is to evaluate the effect of eleclazine (GS-6615) compared to placebo on the overall occurrence of appropriate implantable cardioverter-defibrillator (ICD) interventions (antitachycardia pacing…
- Trial name
- TEMPO (NCT02104583)
- Testing
- Eleclazine
- Where
- 84 sites in United States, Canada and 7 more
- Volunteers
- 313 people
- Sponsor
- Gilead Sciences
Heart Failure, Atrial Fibrillation
CONTAK RENEWAL 3 AVT
The RENEWAL 3 AVT device is designed to treat patients suffering from HF, with a history of or at risk of developing atrial and ventricular arrhythmias
- Trial name
- NCT00158977
- Testing
- CONTAK RENEWAL 3 AVT
- Where
- United States
- Volunteers
- 73 people
- Sponsor
- Boston Scientific Corporation
Heart Failure, Cardiomyopathy
InSync Implantable Cardioverter Defibrillator Registry: Cardiac Resynchronization Therapy
Heart failure is a progressive disease that decreases the pumping action of the heart. This may cause a backup of fluid in the heart and may result in heart beat changes.
- Trial name
- NCT00289302
- Testing
- Cardiac resynchronization therapy device
- Where
- 51 sites in United States
- Volunteers
- 600 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Heart Failure
Predicting Response to CRT Using Body Surface ECG Mapping
Cardiac resynchronization therapy (CRT) involves pacing the left and right side of the heart in order to improve the coordination of the contraction in patients with heart failure.
- Trial name
- NCT01831518
- Testing
- CRT Implant, Body Surface ECG Mapping
- Where
- 2 sites in United Kingdom
- Volunteers
- 20 people
- Sponsor
- Tom Jackson
Heart Failure and Reduced Ejection Fraction, Dyssynchrony
Comparing Three Types of Specialist Pacemakers to Improve Heart Function and Reduce Rhythm Problems in Heart Failure
The goal of this clinical trial is to find out which type of specialist pacemaker-known as cardiac resynchronisation therapy (CRT)-works best for people with heart failure and a delay in how the lower chambers of the heart beat…
- Trial name
- RIPCORD-CRT (NCT07430553)
- Testing
- Biventricular pacing, Conduction system pacing, Left bundle optimised cardiac resynchronisation therapy
- Where
- United Kingdom
- Volunteers
- 60 people
- Sponsor
- Imperial College London
Cardiac Resynchronization Therapy, Left Bundle Branch Area Pacing
Feasibility and Outcomes Registry of Lumenless dEfibrillation Leads for Conduction System Pacing
The recent development and market introduction of small diameter implantable defibrillation leads able to deliver left bundle branch area pacing (LBBAP) has opened the possibility of achieving cardiac resynchronization therapy…
- Trial name
- FORGE CSP (NCT07406737)
- Where
- France
- Volunteers
- 200 people
- Sponsor
- University Hospital, Caen
Heart Failure, Left Bundle-Branch Block
Conduction System Pacing Versus Biventricular Resynchronization in Patients With Chronic Heart Failure
The purpose of this study is to evaluate the efficacy and safety of conduction system pacing versus biventricular pacing in patients with chronic heart failure with reduced ejection fraction and left bundle branch block.
- Conditions
- Heart Failure, Left Bundle-Branch Block, Cardiac Resynchronization, Conduction System Pacing
- Trial name
- PhysioSync-HF (NCT05572736)
- Testing
- Conduction system pacing, Biventricular pacing
- Where
- 14 sites in Brazil
- Volunteers
- 179 people
- Sponsor
- Hospital Moinhos de Vento