Clinical trials: Dyssynchrony
Heart Failure
Study of Left Ventricular Dyssynchrony in Heart Failure Patients
Heart failure has become one of the major epidemics of the modern era. Despite optimal standard drug therapy, the prognosis of patients with heart failure remains poor.
- Trial name
- NCT00953953
- Testing
- Phillips ultrasound system
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Albert Einstein Healthcare Network
Cardiopulmonary Failure, Myocardial Infarction (MI)
COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG Wearable
The COR-INSIGHT trial aims to evaluate the effectiveness of Peerbridge COR advanced ambulatory ECG wearables (COR 1.0 and COR 2.0) in accurately and non-invasively detecting cardiovascular and cardiopulmonary conditions using…
- Conditions
- Cardiopulmonary Failure, Myocardial Infarction (MI), Heart Decompensation, Heart Failure
- Trial name
- COR-INSIGHT (NCT06763549)
- Testing
- SUBPROTOCOL A, SUBPROTOCOL B, SUBPROTOCOL C
- Where
- United States
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- Peerbridge Health, Inc
Heart Failure, Cardiac Resynchronization Therapy
Narrow QRS HF Patients Assessed by ECG Belt
The purpose of this study is to quantitate electrical dyssynchrony in heart failure (HF) patients with a narrow QRS complexes (≤ 130 ms) using the ECG Belt.
- Trial name
- NCT03367104
- Testing
- ECG Belt
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Allina Health System
Cardiac Resynchronization Therapy
Acute Evaluation of the Safety of Left Ventricular-left Ventricular (LV-LV) Delays and Its Effects on Mechanical Dyssynchrony
The purpose of this study is to evaluate the effects of various LV-LV delays during multi-site left ventricular (MSLV) pacing on mechanical dyssynchrony in cardiac resynchronization therapy (CRT) patients post-implant.
- Trial name
- NCT01044784
- Where
- Germany
- Volunteers
- 73 people
- Sponsor
- Abbott Medical Devices
Hypertrophic Cardiomyopathy
Paced Dyssynchrony and Myocardial Perfusion IN apiCal Hcm
Hypertrophic cardiomyopathy (HCM) is the most common inherited heart disease. A relatively common subgroup of HCM patients have apical HCM - a type of heart muscle disease that causes abnormal muscle thickening towards the tip…
- Trial name
- PINCHcm (NCT04231032)
- Testing
- Asynchronous dual chamber pacing (DOO) with paced ventricular activation, Asynchronous atrial pacing (AOO) with intrinsic ventricular activation
- Where
- United Kingdom
- Volunteers
- 11 people
- Sponsor
- Barts & The London NHS Trust
Jet Lag Disorder, Jet Lag
A Study on the Effectiveness of a Dietary Supplement FitoAvia for Jet Lag
Purpose of the study: Evaluation of the effects of dietary supplement Fitoavia in people with dyssynchrony Objectives of the study: 1. Assessment of the condition of patients with jet lag of 4 hours or more 2.
- Conditions
- Jet Lag Disorder, Jet Lag, Jet Lag Type Insomnia, Cognition Improvement
- Trial name
- NCT07695870
- Testing
- Fitoavia, Questionnaire and Physical Exam, cognition tests
- Where
- Russia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- MiraxBioPharma
Heart Failure, Atrial Fibrillation
Mascot Study: Management of Atrial Fibrillation (AF) Suppression in AF-Heart Failure (HF) COmorbidity Therapy
The purpose of this study is to evaluate whether adding AF Suppression™ to cardiac resynchronization therapy (CRT) improves the prognosis of heart failure patients benefiting from cardiac resynchronization therapy.
- Conditions
- Heart Failure, Atrial Fibrillation, Ventricular Dysfunction
- Trial name
- MASCOT (NCT00187252)
- Testing
- Atrial Overdrive Pacing
- Where
- Italy
- Volunteers
- 380 people
- Sponsor
- Abbott Medical Devices
Bradycardia, Heart Failure
Ultra-High Frequency - Electrocardiogram (UHF-ECG) for the Diagnosis of Ventricular Electrical Dyssynchrony (VED)
The purpose of this study is to demonstrate the safety and effectiveness of the VDI UHF-ECG System in the diagnosis of ventricular dyssynchrony when compared to the 12-lead ECG in patients with bradycardia and heart failure…
- Conditions
- Bradycardia, Heart Failure, Ventricular Dysfunction
- Trial name
- SYNC (NCT06641362)
- Testing
- Ultra High Frequency Electrocardiogram (UHF-ECG)
- Where
- 12 sites in United States, Czechia and 1 more
- Volunteers
- 360 people
- Sponsor
- VDI Technologies
Heart Failure, Pacing Induced Dyssynchrony
Response to Cardiac Resynchronization Therapy of Previously Right Ventricular Paced Heart Failure Patients
The present proposal is designed to investigate the response to CRT in patients who were previously paced from the right ventricle (RV).
- Trial name
- NCT01466621
- Where
- United States
- Volunteers
- 743 people
- Sponsor
- Allina Health System
Left Ventricular Dyssynchrony
Rest/Stress Quantification Of Left Ventricular Dyssynchrony By 3D Gated Blood Pool D-SPECT
Cardiac Resynchronization Therapy (CRT) is an established treatment for patients with advanced heart failure and left ventricular dyssynchrony (LVD). Too many patients do not clinically improve with CRT.
- Trial name
- NCT01390532
- Testing
- 3D Blood-Pool Gated SPECT (BPGS) with a new designed cardiac imaging camera (DSPECT, Spectrum Dynamics®, Ceasaria, Israel)
- Where
- France
- Volunteers
- 30 people
- Sponsor
- University Hospital, Clermont-Ferrand
Left Ventricular Dyssynchrony, Heart Failure
Myocardial Work and Metabolism in CRT
Several attempts have been made to refine selection criteria for cardiac resynchronisation therapy (CRT) in heart failure patients with reduced ejection fraction (HFrEF).
- Conditions
- Left Ventricular Dyssynchrony, Heart Failure, Left Bundle Branch Block, Cardiomyopathy
- Trial name
- WORK-CRT (NCT02537782)
- Testing
- Cardiac resynchronisation therapy, Echocardiography, Magnetic Resonance Imaging
- Where
- 2 sites in Belgium, Norway
- Volunteers
- 200 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Left Bundle-Branch Block
Effects of Isolated LBBB on Maximal Functional Capacity
Left bundle branch block (LBBB) has been commonly associated with adverse cardiovascular (CV) events, but the effect of an isolated LBBB on maximal functional capacity is not well characterized.
- Trial name
- NCT05643404
- Testing
- Cardiopulmonary exercise testing, Echocardioghaphy
- Where
- Spain
- Volunteers
- 162 people, healthy volunteers welcome
- Sponsor
- Fundación para la Investigación del Hospital Clínico de Valencia
RV Pacing, Negative Remodeling
Ultra-high-frequency ECG for Prediction of Left Ventricular Remodeling
The main goal of the project is to prove that ultra-high-frequency ECG (UHF-ECG) can be used as a diagnostic tool that allows the prediction of patients susceptible to the negative effect of right ventricular myocardial pacing.
- Conditions
- RV Pacing, Negative Remodeling, Dyssynchrony, UHF-ECG
- Trial name
- NCT04908033
- Testing
- pacemaker implantation
- Where
- Czechia
- Volunteers
- 368 people
- Sponsor
- Faculty Hospital Kralovske Vinohrady
Heart Failure
A Study of Triple-site Ventricular Pacing in Patients Who Have Not Responded to Conventional Dual Ventricular Site Cardiac Resynchronization Therapy
Patients are randomised to receive ongoing optimised device and medical therapy or triple ventricular site resynchronisation. The hypothesis states that patients receiving triple-site resynchronization will exhibit a better…
- Trial name
- TRIVENT (NCT00941850)
- Testing
- Upgrade to triple ventricular site CRT
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- University Hospitals, Leicester
Transcatheter Aortic Valve Replacement
Prognostic Factors in NOP-LBBB After TAVI
The goal of this observational study is to find prognostic factors in patients with a new-onset persistent left bundle branch block (NOP-LBBB) after transcatheter aortic valve implantation (TAVI).
- Trial name
- ProgNOP-LBBB (NCT05654792)
- Testing
- Transcatheter aortic valve implantation
- Volunteers
- 230 people
- Sponsor
- Central Hospital, Nancy, France
Respiratory Failure
Patient-Ventilator Dyssynchrony: How is the Effect of Management?
Although patient-ventilator asynchrony is a frequent phenomenon, its course following management is unknown. As the aid of a data recording system, we try to observe the consequence of patient-ventilator asynchrony following…
- Trial name
- NCT00683072
- Where
- Taiwan
- Volunteers
- 40 people
- Sponsor
- National Cheng-Kung University Hospital
Atrioventricular Dyssynchrony, Heart Failure
ReachPR Trial Resynchronization Therapy in Heart Failure Patients With Prolonged PR Interval
Rationale: Prolongation of the electrocardiographic PR interval (PR interval > 200ms; also known as first-degree atrioventricular block) is frequently encountered in clinical practice and is generally considered as a benign sign.
- Trial name
- NCT03973944
- Testing
- Cardiac resynchronization therapy
- Where
- Netherlands
- Volunteers
- 26 people
- Sponsor
- Maastricht University Medical Center
Heart Failure, Ischemic Cardiomyopathy
Viability and Cardiac Resynchronization Therapy
30% of heart failure patients that receive a device for cardiac resynchronization therapy fail to show clinical improvement. The reason for lack of response is still unclear but factors such as scar tissue in the heart…
- Trial name
- NCT00955539
- Testing
- AV-optimization followed by AV- and VV-optimization, AV- and VV-optimization followed by AV-optimization only.
- Where
- 2 sites in Denmark, Sweden
- Volunteers
- 100 people
- Sponsor
- University Hospital, Gentofte, Copenhagen
Bradyarrhythmia
Mechanical and Electrical Dyssynchrony During His-Bundle Pacing Versus His-Bundle Area Right Ventricular Pacing
The aim of this study is to evaluate mechanical and electrical cardiac dyssynchrony in patients with pacemakers and the right ventricular electrode implanted in His Bundle area.
- Trial name
- NCT04697797
- Testing
- Device Programming
- Where
- Poland
- Volunteers
- 100 people
- Sponsor
- Medical University of Lodz
Mechanical Ventilation, Patient-Ventilator Asynchrony
Patient-Ventilator Asynchrony: Occurence and Clinical Impact in Usual Care
The goal of this observational study is to unravel the occurence, impact and relations of Patient-Ventilator Aynchrony (PVA) in mechanically ventilated patients.
- Trial name
- PVA-detection (NCT07624786)
- Testing
- PVA classification software
- Where
- 3 sites in Netherlands
- Volunteers
- 110 people
- Sponsor
- Erasmus Medical Center