Clinical trials: Stenosis Coronary
Hypertrophic Cardiomyopathy, Obstruction
4D-flow MRI to Assess Left Ventricular Obstruction in Hypertrophic Cardiomyopathy
Hypertrophic cardiomyopathy (HCM) is a frequent cardiac pathology with an estimated prevalence of 1/500 in France. The main risk factor for sudden death in this pathology is the presence and extent of left ventricular…
- Conditions
- Hypertrophic Cardiomyopathy, Obstruction, Echocardiography
- Trial name
- CMHFLUX (NCT04439942)
- Testing
- cardiac magnetic resonance imaging (MRI)
- Where
- France
- Volunteers
- 26 people
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Hypertrophic Cardiomyopathy
3D Non-invasive Myocardial Electrical Propagation Mapping as a New Tool to Predict Sudden Death Risk in Patients With Hypertrophic Cardiomyopathy
Hypertrophic cardiomyopathy (HCM) is very common. The thickened heart muscle can disrupt the normal functioning of the heart's electrical system, resulting in fast or irregular heartbeats.
- Trial name
- 3D-CMH (NCT03550573)
- Testing
- CardioInsight™ Noninvasive 3D Mapping System
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Hospices Civils de Lyon
Cardiology, Radiology
The Evaluation of the Roles of New Cardiac Imaging in Patients With Chest Pain
This is a prospective, observational study designed to evaluate the role of dynamic computed tomographic perfusion (CTP) and Computed Tomography-Derived Fractional Flow Reserve (CT-FFR) in patients presenting with chest…
- Conditions
- Cardiology, Radiology, Stenoses
- Trial name
- NCT03800862
- Testing
- CT-FFR and CTP
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- Lancaster General Hospital
Heart Failure, Aortic Stenosis
The Role of Cardiac Mechanics, Biomarkers and Frailty in Aortic Stenosis
The role of cardiac mechanics, circulating biomarkers and frailty in predicting outcomes in patients with aortic stenosis after aortic valve replacement (SCRABLES -The 2-Parts Study) Part I: Observational study to characterize…
- Trial name
- SCRABLES (NCT02856620)
- Testing
- Observational only
- Where
- Canada
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- Christine Henri
Hypertrophic Cardiomyopathy
Treatment of Preclinical Hypertrophic Cardiomyopathy With Diltiazem
This is a pilot clinical trial to assess whether the administration of diltiazem may be able to decrease the development or progression of hypertrophic cardiomyopathy (HCM).
- Trial name
- NCT00319982
- Testing
- Diltiazem
- Where
- 2 sites in United States
- Volunteers
- 39 people
- Sponsor
- Brigham and Women's Hospital
Diabetes Mellitus, Coronary Artery Stenosis
The Effect of Pioglitazone on Neointima Volume and Inflammatory Markers
People with diabetes mellitus are more prone to coronary heart disease, stroke, and peripheral vascular disease, and diabetes mellitus has been regarded as an independent risk factor for the progression of coronary artery…
- Trial name
- NCT00494559
- Testing
- Pioglitazone
- Where
- South Korea
- Volunteers
- 240 people
- Sponsor
- Korea University Anam Hospital
Diabetes Mellitus, Type 2, Major Adverse Cardiac Events
Effect of Patient Management Based on Continuous Continuous Glucose Monitoring on Major Adverse Cardiovascular Events in Patients With Type 2 Diabetes and Moderate to Severe Coronary Artery Stenosis
Patients with type 2 diabetes and moderate to severe coronary artery stenosis who were treated at Zhejiang Second Hospital and cooperative hospitals were randomly divided into a patient management group based on continuous…
- Trial name
- NCT06060483
- Testing
- CGM
- Where
- China
- Volunteers
- 4,000 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Carotid Stenosis, Coronary Artery Disease
Simultaneous Cardiac Surgery and Micronet-covered Stent Carotid Revascularization in High Perioperative Stroke Risk Patients
Prospective, single-center, clinical registry of patients with symptomatic/critical carotid artery stenosis at risk of stroke coexisting with unstable or multivessel severe coronary artery disease and/or severe valvular heart…
- Conditions
- Carotid Stenosis, Coronary Artery Disease, Valvular Heart Disease, Myocardial Infarction
- Trial name
- SIM-GUARD (NCT04973579)
- Testing
- Simutaneous (single anaesthesia) carotid artery stenting with MicroNet covered stent (CGuard) and cardiac surgery (CABG or surgical valve replacement / repair procedure)
- Where
- Poland
- Volunteers
- 50 people
- Sponsor
- John Paul II Hospital, Krakow
Hypertrophic Obstructive Cardiomyopathy
The Clinical Research of the Safety and Effectiveness Evaluation for Using Echocardiography-guided Liwen RF Radiofrequency Ablation System to Treat Hypertrophic Obstructive Cardiomyopathy
Objective to investigate the safety and effectiveness of Echocardiography-guided radiofrequency ablation in patients with Hypertrophic obstructive Cardiomyopathy (HOCM).
- Trial name
- NCT04355260
- Testing
- Echocardiography-guided Radiofrequency ablation for Hypertrophic obstructive Cardiomyopathy (HOCM).
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Xijing Hospital
Coronary Stenosis
Relationship Between Pressure and Flow Velocity on Coronary Physiology
Subjects are patients who are planned to do percutaneous coronary intervention for coronary stenosis in the left circumflex artery without other stenosis in the left ascending artery and the right coronary artery, or a patient…
- Trial name
- NCT02330861
- Testing
- combowire and IVUS
- Where
- Japan
- Sponsor
- Hyogo Medical University
Severe Aortic Stenosis, Trans-catheter Aortic Valve Implantation
Prevalence of Cusp Asymmetry, Coronary Ostial Eccentricity in Patients Undergoing Trans Catheter Aortic Valve Implantation and Their Impact on Coronary Ostia Overlap Risk Assessment
The goal of this observational study is to measure the prevalence of Cusps asymmetry, coronary Ostial eccentricity in patients with severe aortic stenosis undergoing Trans-catheter Aortic Valve Implantation (TAVI) and measure the…
- Conditions
- Severe Aortic Stenosis, Trans-catheter Aortic Valve Implantation, Coronary Ostial Eccentricity
- Trial name
- NCT06834828
- Where
- Egypt
- Volunteers
- 64 people
- Sponsor
- Ain Shams University
Hypertrophic Obstructive Cardiomyopathy
Quantitative Assessment of Hypertrophic Obstructive Cardiomyopathy With Intraoperative Three-dimensional Transesophageal Echocardiography Under Provocative Dobutamine Stress Test
The objectives of this study are to determine if the left ventricle outflow tract (LVOT) gradients may be reproduced with dobutamine (DBT) provocation test in obstructive HCM patients under general anesthesia and to analyze the…
- Trial name
- NCT05025644
- Testing
- Pre and post-CPB Drug: Dobutamine Hydrochloride, Post-CPB Drug: Dobutamine Hydrochloride
- Volunteers
- 60 people
- Sponsor
- University Health Network, Toronto
Aortic Valve Insufficiency, Aortic Valve Stenosis
Echocardiographic Assessment of Cardiovascular Changes in Long Term Space Flight
The National Space Biomedical Research Institute is interested in learning more about heart function in space. One potential problem with long duration, manned space flight is muscle loss- including loss of heart muscle.
- Trial name
- NCT00598598
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- The Cleveland Clinic
Aortic Valve Stenosis
CoreValve VIVA Study Evaluation of the Clinical Outcomes of CoreValve in Degenerative Surgical Aortic Bioprosthesis.
This observational study is intended to collect real-world (post-approval use) data regarding the clinical utility and performance of the Medtronic CoreValve® System for Transcatheter Aortic Valve Implantation (TAVI).
- Trial name
- NCT02209298
- Testing
- CoreValve Transcatheter Valve
- Where
- 25 sites in France, Germany and 2 more
- Volunteers
- 202 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Anemia, Coronary Disease
PBM as Strategy to CABG Anemic Patients Bypass Graft (CABG)
Anemia poses risks during coronary artery bypass grafting (CABG), increasing complications and mortality rates. Blood transfusions in cardiac surgery have negative outcomes, prompting the use of erythropoietin in Patient Blood…
- Conditions
- Anemia, Coronary Disease, Coronary Artery Disease, Coronary Stenosis
- Trial name
- NCT06542393
- Testing
- Erythropoietin, blood transfusion
- Where
- Brazil
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Coronary Disease
Randomized Trial of Coronary Angioplasty for de Novo Lesions in sMall vesSElS With Drug Eluting Balloon.
Significant lesions in small coronary arteries are frequently found (35%-50%) in patients with coronary artery disease. Independently of the type of coronary angioplasty the restenosis and the need for repeat revascularization…
- Trial name
- RAMSES (NCT01722799)
- Testing
- Drug elluting Balloon (DEB), Drug elluting coronary stent (DES)
- Where
- Spain
- Volunteers
- 97 people
- Sponsor
- Andres Iñiguez Romo, MD, PhD
Hypertrophic Cardiomyopathy
Perfusion Imaging With Myocardial Contrast Echocardiography in HCM
The objective of this study is to determine whether myocardial contrast echocardiography in patients with cardiomyopathy (HCM) can detect resting hypo-perfusion due to fibrosis or stress induced perfusion defects due to…
- Trial name
- NCT02560467
- Testing
- Echo and myocardial contrast echocardiography perfusion imaging
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Oregon Health and Science University
Hypertrophic Cardiomyopathy
Assessment of Wall Thickness in Hypertrophic Cardiomyopathy
Assessment of wall thickness in hypertrophic cardiomyopathy (HCM) is of diagnostic and prognostic importance given its known association with sudden cardiac death.
- Trial name
- NCT02234336
- Testing
- Noncontrast echocardiography, Contrast Echocardiography, Cardiac magnetic resonance imaging
- Where
- United States
- Volunteers
- 110 people
- Sponsor
- Mayo Clinic
Aortic Stenosis
Deep Learning-enhanced Personalized Monitoring of Aortic Stenosis - The DETECT-AS Prognostic Study
This study will evaluate the validity of a digital biomarker score for precision risk stratification among older adults with aortic sclerosis or mild aortic stenosis (AS) at three US health systems.
- Trial name
- NCT06749132
- Testing
- Transthoracic echocardiogram
- Where
- 3 sites in United States
- Volunteers
- 210 people
- Sponsor
- Yale University
Valve Stenoses, Aortic, Amyloidosis Cardiac
Impact of Amyloidosis on TAVI Patients
To analyze the prevalence and impact on the prognosis of amyloidosis due to transthyretin in patients with severe aortic stenosis who undergo percutaneous aortic valve implantation.
- Trial name
- AMY-TAVI (NCT03984877)
- Testing
- Diagnosis of amyloidosis
- Where
- Spain
- Volunteers
- 320 people
- Sponsor
- Javier López Pais
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