Clinical trials: Mitral Valve Regurgitation
Myocardial Lipid
Myocardial Lipid and Creatine of Heart Failure on MRS
The objective of this 3-year project is to develop myocardial MRS, in particular lipid (triglyceride) and creatine resonances, as imaging biomarkers for patients with heart failure (HF).
- Trial name
- NCT02378402
- Testing
- Proton (1H-) magnetic resonance (MR) spectroscopy
- Where
- Taiwan
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Mitral Regurgitation (MR)
Quantification of Mitral Regurgitation Using 4D MRI Flow : Comparison With 2D MRI Flow and Echocardiography Using the Evolution of Left Ventricular Remodeling as a Reference
The goal of this study is to evaluate whether 4D MRI provides a better assessment of mitral regurgitation quantification and associated ventricular remodeling than standard imaging techniques: echocardiography and 2D MRI, in…
- Trial name
- FLAME (NCT07066904)
- Testing
- Standard echocardiography, 2D phase-contrast magnetic resonance imaging, 4D flow magnetic resonance imaging
- Where
- 3 sites in France
- Volunteers
- 160 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Aortic Regurgitation, Mitral Regurgitation
LOng-Term Fate of Moderate Aortic Regurgitation Left Untreated at the Time of Mitral Valve Surgery
Multivalvular heart disease is a highly prevalent clinical condition that comprises 14.6% of the patients undergoing valvular surgery.
- Trial name
- NCT05774795
- Testing
- Mitral valve surgery, Aortic valve surgery
- Where
- Italy
- Volunteers
- 183 people
- Sponsor
- Michele De Bonis
Heart Failure, Mitral Regurgitation
Implantation of a Permanent Interatrial Shunt to Reduce Left Atrial Filling Pressures Following MitraClip
This is an investigator initiated, prospective study to demonstrate the safety and feasibility of implantation of the V-Wave Interatrial Shunt System (herein called the "V-Wave Shunt" in patients immediately following…
- Trial name
- NCT04729933
- Testing
- V-Wave Shunt Placement
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- samir kapadia
Severe Mitral Valve Regurgitation (Disorder)
Transcatheter Versus Standard Surgical Mitral Valve Operation for Secondary Mitral Regurgitation
The mechanical intervention is treating secondary mitral regurgitation (SMR) which may be performed using the standard open surgical approach or transcatheter edge to edge repair (TEER).
- Trial name
- TEERMISO (NCT05090540)
- Testing
- Trancatheter Edge to Edge Repair, Mitral Valve Replacement, Restrictive Mitral Annuloplastie
- Where
- 2 sites in France
- Volunteers
- 600 people
- Sponsor
- Centre Cardiologique du Nord
Mitral Regurgitation, Tricuspid Regurgitation
Annuloplasty Rings and Band Post-Market Clinical Follow-Up Study
ARB-PMCF is a multicenter, observational study of the safety and performance of Abbott annuloplasty devices used in surgical repair of mitral and tricuspid valve regurgitation.
- Conditions
- Mitral Regurgitation, Tricuspid Regurgitation, Valvular Heart Disease
- Trial name
- ARB-PMCF (NCT04761120)
- Testing
- Abbott SJM Rigid Saddle Ring, Abbott SJM Séguin Ring, Abbott SJM Tailor Ring
- Where
- 17 sites in United States, Estonia and 5 more
- Volunteers
- 550 people
- Sponsor
- Abbott Medical Devices
Hippocampal Neurogenesis in Cocaine Addiction
Hippocampal Neurogenesis in Human Subjects
This study is being done to measure the number of brain cells that grow in the brain throughout our lives while determining an effective way to complete this with an MRI (Magnetic Resonance Imaging) scanner.
- Trial name
- NG (NCT02028273)
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Atrophy, Muscular
31P MRS Ischaemic Exercise Optimisation and COPD
An MRI study to develop a reliable methodology for 31P MRS ischaemic exercise in order to obtain a consistent standard of measurement of muscle metabolism while maintaining an acceptable level of subject comfort and use optimised…
- Trial name
- NCT01476072
- Testing
- MRI scan
- Where
- United Kingdom
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Brain Hypoxia
Metabolic Changes in the Activated Human Visual Cortex During Mild Hypoxia
The primary objective of this research is to measure changes in neurochemical concentrations during stimulation of the primary visual cortex, in both conditions of normoxia (normal oxygen availability) and induced mild hypoxia…
- Trial name
- NCT02482571
- Testing
- Mild Hypoxia
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Epilepsy, Temporal Lobe
Innovative MRI to Localize the Epileptic Zone
The goal of EPI-CATCHER is to outline the clinical potential of multiparametric quantitative MRI (mqMRI) and of GABA-edited magnetic resonance spectroscopy (GABA-MRS), combined with machine learning tools, as imaging biomarkers…
- Trial name
- EPI-CATCHER (NCT06057233)
- Testing
- mqMRI and GABA-MRS
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Functional Mitral Regurgitation
Mitralign Percutaneous Annuloplasty First in Man Study
The purpose of this study is to assess the safety and feasibility of the Mitralign Percutaneous Annuloplasty System in humans for the treatment of chronic functional mitral regurgitation.
- Trial name
- NCT01852149
- Testing
- MPAS Implant
- Where
- 5 sites in Brazil, Germany and 1 more
- Volunteers
- 35 people
- Sponsor
- Mitralign, Inc.
Vision, Blind
GABA Levels in the Brains of Blind People
In blind individuals, the occipital cortex becomes capable of processing tactile and auditory information, a phenomenon described as crossmodal plasticity.
- Trial name
- NCT00357409
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Heart Transplantation
Quantification of Intramyocardial Lipid by Proton Magnetic Resonance Spectroscopy
Accumulation of triglycerides in heart tissue has been associated with changes in left ventricular function which can lead to heart failure.
- Trial name
- MRS (NCT00469911)
- Testing
- Magnetic Resonance Spectroscopy, Ex vivo heart biopsy
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Mitral Regurgitation (MR)
Safety and Feasibility Study of the MitraFix® Transcatheter Mitral Valve System
The goal of this early feasibility clinical trial is to test a new device called the MitraFix® Transcatheter Mitral Valve System.
- Trial name
- MITRA-EFS (NCT07501234)
- Testing
- MitraFix® Transcatheter Mitral Valve System
- Where
- China
- Volunteers
- 5 people
- Sponsor
- Mitrassist Lifesciences Limited Co., Ltd.
Major Depressive Disorder, Recurrent, Mild, Depressive Disorder, Major
Cortical Excitability and Inhibition in MDD
The purpose of this study is to learn if measures of brain activity are different in children and adolescents with depression who are in different stages of treatment.
- Trial name
- NCT01718730
- Testing
- Transcranial Magnetic Stimulation (TMS), Magnetic Resonance Spectroscopy and Imaging
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Mayo Clinic
Major Depressive Disorder
5-HTP and Creatine for Depression R33 Phase
This is a three-armed clinical trial examining the effect of 5-hydroxytryptophan and creatine monohydrate as augmenting agents for the treatment of depression.
- Trial name
- NCT05895747
- Testing
- Low Dose 5-hydroxytryptophan, High Dose 5-hydroxytryptophan, Low Dose Creatine Monohydrate
- Where
- United States
- Volunteers
- 106 people
- Sponsor
- University of Utah
Ischemic Heart Disease, Aortic Stenosis, Severe
Influence of Lung Ultrasonography on the Prognosis and Postoperative Outcomes in Cardiac Surgical Patients
The goal of this interventional is to assess advantages of the ultrasound examination of the lungs in the early postoperative period in cardiac surgical patients after heart surgeries requiring cardiopulmonary bypass.
- Conditions
- Ischemic Heart Disease, Aortic Stenosis, Severe, Aortic Insufficiency, Mitral Stenosis
- Trial name
- NCT06377449
- Testing
- Ultrasound examination of the lungs
- Where
- Russia
- Volunteers
- 186 people
- Sponsor
- Saint Petersburg State University, Russia
Mitral Regurgitation, Mitral Stenosis
Acute Normovolemic Hemodilution on ROTEM in Cardiac Surgery
Impact of acute normovolemic hemodilution (ANH) using hydroxyethyl starch before initiating cardiopulmonary bypass (CPB) on whole blood viscoelastic profile after CPB has not been well established.
- Conditions
- Mitral Regurgitation, Mitral Stenosis, Tricuspid Regurgitation
- Trial name
- NCT02502448
- Testing
- Acute normovolemic hemodilution (ANH), hydroxyethyl starch (HES 130/0.6)
- Where
- South Korea
- Volunteers
- 70 people
- Sponsor
- Konkuk University Medical Center
Mitral Valve Disease
Evaluation of the Elasticity of the Mitral Valve
There is no information in the literature on the mechanobiological characteristics of mitral valve chords in living humans. All examinations were carried out on tissues taken from animals, either from cadavers or from frozen…
- Trial name
- NCT06153563
- Testing
- Data collection on patient history and intraoperative results.
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Coronary Artery Disease, Mitral Valve Insufficiency
The Effects of Sevoflurane, Isoflurane and Propofol During Cardiac Surgery
Abstract Anaesthetic support for cardiac surgery significantly influences the course of the intraoperative period and the success of the postoperative period.
- Conditions
- Coronary Artery Disease, Mitral Valve Insufficiency, Aortic Valve Insufficiency
- Trial name
- NCT05695287
- Testing
- Propofol, Isoflurane, Sevoflurane
- Where
- Kazakhstan
- Volunteers
- 89 people
- Sponsor
- Astana Medical University