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Active clinical trials for "Ventricular Dysfunction, Left"

Results 91-100 of 217

Glucagon-like Peptide 1 Agonist Exenatide for Improved Glucose Control and Cardiac Function in Patients...

Coronary Artery DiseaseDecreased Left Ventricular Function

GLP-1 has not only beneficial effects on glucose metabolism but also direct positive effects on cardiac function and metabolism in both experimental models and in patients with type 2 diabetes mellitus. Clinical data on the effects of GLP-1 agonists on cardiac function and glucose control in patients undergoing cardiac surgery are not known. Based on the results of experimental studies there is a potential for exenatide to positively influence both cardiac function and glucose metabolism in cardiac surgery patients with and without type 2 diabetes mellitus. The primary endpoint of this study is to examine whether pre- and peri-operative administration of exenatide affects perioperative hemodynamics, echocardiographic parameters, necessity of antiarrhythmic and inotropic treatment and glucose control in patients with coronary atherosclerosis and decreased left ventricular function undergoing elective coronary artery bypass grafting operation (CABG). In addition, safety and tolerability of peri-operative administration of exenatide in these patients will be examined as a secondary study objective.

Completed16 enrollment criteria

Use of Adult Autologous Stem Cells in Treating People 2 to 3 Weeks After Having a Heart Attack (The...

Left Ventricular Dysfunction

More than 1 million Americans suffer heart attacks each year. Although current treatments are able to stabilize the condition of the heart, none is able to restore heart function as it was prior to the heart attack. Adult stem cells, which are immature cells that can become many different types of cells, may offer a potential means of reversing or preventing permanent damage caused by a heart attack. Recent studies have shown promise in using adult stem cells from bone marrow to reverse damage to the heart muscle caused by a heart attack, but more research is needed to assess the safety and effectiveness of stem cell use and to discover the best time to administer treatment. This study will evaluate the safety and effectiveness of using adult stem cell infusions 2 to 3 weeks after a heart attack for improving heart function in people who have had a recent heart attack and a common procedure called a percutaneous coronary intervention (PCI).

Completed30 enrollment criteria

The Transendocardial Autologous Cells (hMSC or hBMC) in Ischemic Heart Failure Trial (TAC-HFT)

Stem Cell TransplantationVentricular Dysfunction1 more

The technique of transplanting progenitor cells into a region of damaged myocardium, termed cellular cardiomyoplasty, is a potentially new therapeutic modality designed to replace or repair necrotic, scarred, or dysfunctional myocardium. Ideally, graft cells should be readily available, easy to culture to ensure adequate quantities for transplantation, and able to survive in host myocardium; often a hostile environment of limited blood supply and immunorejection. Whether effective cellular regenerative strategies require that administered cells differentiate into adult cardiomyocytes and couple electromechanically with the surrounding myocardium is increasingly controversial, and recent evidence suggests that this may not be required for effective cardiac repair. Most importantly, transplantation of graft cells should improve cardiac function and prevent adverse ventricular remodeling. To date, a number of candidate cells have been transplanted in experimental models, including fetal and neonatal cardiomyocytes, embryonic stem cell-derived myocytes, tissue engineered contractile grafts, skeletal myoblasts, several cell types derived from adult bone marrow, and cardiac precursors residing within the heart itself. There has been substantial clinical development in the use of whole bone marrow and skeletal myoblast preparations in studies enrolling both post-infarction patients, and patients with chronic ischemic left ventricular dysfunction and heart failure. The effects of bone-marrow derived mesenchymal stem cells (MSCs) have also been studies clinically. Currently, bone marrow or bone marrow-derived cells represent highly promising modality for cardiac repair. The totality of evidence from trials investigating autologous whole bone marrow infusions into patients following myocardial infarction supports the safety of this approach. In terms of efficacy, increases in ejection fraction are reported in the majority of the trials. Chronic ischemic left ventricular dysfunction resulting from heart disease is a common and problematic condition; definitive therapy in the form of heart transplantation is available to only a tiny minority of eligible patients. Cellular cardiomyoplasty for chronic heart failure has been studied less than for acute MI, but represents a potentially important alternative for this disease.

Completed25 enrollment criteria

Effectiveness of Stem Cell Treatment for Adults With Ischemic Cardiomyopathy (The FOCUS Study)

Chronic Ischemic Heart DiseaseLeft Ventricular Dysfunction2 more

Coronary artery disease (CAD) is a common disorder that can lead to heart failure. Not all people with CAD are eligible for today's standard treatments. One new treatment approach uses stem cells-specialized cells capable of developing into other types of cells-to stimulate growth of new blood vessels for the heart. This study will determine the safety and effectiveness of withdrawing stem cells from someone's bone marrow and injecting those cells into the person's heart as a way of treating people with CAD and heart failure.

Completed30 enrollment criteria

Evaluation of Heart Failure Treatment Guided by N-terminal Pro B-type Natriuretic Peptide (NTproBNP)...

Heart FailureVentricular Dysfunction1 more

The purpose is to study if HF treatment guided by NTproBNP in addition to clinical symptoms and signs is more effective than treatment guided by clinical symptoms and signs alone in patients with HF and left ventricular systolic dysfunction

Completed7 enrollment criteria

PROTECT-PACE STUDY - The Protection of Left Ventricular Function During Right Ventricular Pacing...

Left Ventricular Dysfunction

This study will be done in patients who require the implantation of a cardiac pacemaker (an electronic device that controls the heartbeat) for complete heart block (a heart rhythm abnormality resulting in a slow heart beat). Pacemakers regulate the heart beat by delivering pulses of electricity through special wires (pacing leads) which are placed inside the heart. This study will compare two groups of pacemaker patients. Each group will have their pacing leads placed in a particular location in the heart. The purpose of the study is to show whether the position used in one group is better for maintaining effective heart function compared to the position used in the other group. The leads in one group will be placed in a position called the Right Ventricular Apex. This is the traditional and most frequently used position for pacemaker leads. The leads in the other group will be placed in a position called the Right Ventricular High Septum. This is a less commonly used position, but may result in health benefits for the patients compared with the Right Ventricular Apex.

Completed17 enrollment criteria

COSMIC-HF - Chronic Oral Study of Myosin Activation to Increase Contractility in Heart Failure

Modified Release Oral FormulationLeft Ventricular Systolic Dysfunction5 more

The primary objectives of this study are (i) to select an oral modified release (MR) formulation and dose of omecamtiv mecarbil for chronic twice daily (BID) dosing in adults with heart failure and left ventricular systolic dysfunction and (ii) to characterize its pharmacokinetics (PK) over 20 weeks of treatment.

Completed11 enrollment criteria

The TRansendocardial Stem Cell Injection Delivery Effects on Neomyogenesis STudy (The TRIDENT Study)...

Chronic Ischemic Left Ventricular DysfunctionMyocardial Infarction

Thirty (30) patients with chronic ischemic left ventricular dysfunction secondary to MI scheduled to undergo cardiac catheterization will be enrolled in the study. This is a phase II study intended to gain additional safety and efficacy assessments among two dose levels previously studied in a phase I setting.

Completed30 enrollment criteria

The De-novo Use of Eculizumab in Presensitized Patients Receiving Cardiac Transplantation

Antibody-mediated RejectionHyperacute Rejection of Cardiac Transplant3 more

All individuals who receive a heart transplant are at risk for developing antibody-mediated rejection (AMR). An antibody is a protein produced by the body's immune system when it detects a foreign substance, called an antigen. The mechanism of an antibody is to attack an antigen. In antibody mediated rejection, antibodies will attack the transplanted heart, causing injury to the heart. The purpose of this investigation is to determine if a study drug, called eculizumab (Soliris), is safe to use in heart transplant recipients, and determine if it reduces risk of antibody-mediated rejection.

Completed16 enrollment criteria

Phase IIb Safety and Efficacy Study of BAY94-8862 in Subjects With Worsening Chronic Heart Failure...

Heart Failure

This study will be conducted in subjects with clinical diagnosis of worsening chronic heart failure and either type 2 diabetes mellitus (DM) with or without chronic kidney disease (CKD) or moderate CKD alone treated with evidence-based therapy for heart failure (HF) for at least 3 months prior to emergency presentation to hospital using a multi-center, randomized, adaptive, double-blind, double-dummy, comparator-controlled, parallel-group design. Primary objective of the study is to investigate efficacy [percentage of subjects with a relative decrease in N-terminal prohormone B-type natriuretic peptide (NT-proBNP) of more than 30% from baseline to Visit 10 (Day 90)] and safety of different oral doses of BAY94-8862 given once daily.

Completed9 enrollment criteria
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