This research study aims to determine a less invasive way to assess heart function by taking measurements of the heart while subjects are performing an exercise cardiac MRI. Subjects will undergo two exercise phases and MRI measurements will be taken after each exercise phase. These measurements will be compared to available clinical data (including demographic, hemodynamic, radiologic, and functional) and future outcome data.
This study is being done to evaluate the impact that monitored anesthetic care (MAC) versus general endotracheal anesthesia (GETA) has on hospital length of stay, rate of ICU admission, or procedural mortality. Also, we hope to determine if the use of Transesophageal Echocardiography (TEE) during GETA impacts device success and durability. Adult patients undergoing transfemoral approach TAVR for aortic valve stenosis may be eligible candidates for this study.
Elevated pressures in the heart can represent a severe medical condition known as pulmonary hypertension. This can result in chronic right heart failure. An abnormal increase in this pressure during exercise may be represent an early stage of vascular lung disease. This study will investigate the prognostic implications of the measured pressures obtained during exercise while undergoing a right heart catheterization procedure based on a large scale multi-center approach by using retrospective and prospective analysis of hemodynamic data.
This study is for patients that are survivors of childhood cancer who received a type of treatment called anthracycline chemotherapy at a young age. The investigational drug in this study is carvedilol. Medications such as carvedilol have been shown to improve heart function and delay the onset of heart failure. However, carvedilol has not been studied in a large group of childhood cancer survivors who received anthracycline chemotherapy. The purpose of this study is to see if a two-year course of carvedilol in childhood cancer survivors to see if it will have the same effects as shown in these prior studies of people with mild heart failure or who were at risk for heart failure. People in this clinical trial are expected to receive treatment on this study for about 2 years.
Amyloidosis (ATTR) Cardiomyopathy (CM) is a progressive, fatal disease in which amyloid deposits build up slowly, over the course of many years to cause organ damage. This study is evaluating the safety and tolerability of a new drug called AG10 administered to adult patients with symptomatic transthyretin amyloid cardiomyopathy. The participant will be randomized to the study drug or placebo and take the study drug two times per day for 30 months.
The purpose of this research study is to demonstrate that the TactiCath SE catheter is safe and effective for ablating your symptomatic, persistent atrial fibrillation that is not effectively treated with medication. Participation in the study will last about 15 months from the time of the ablation procedure. Participant will be asked to complete follow-up visits at 7-days (phone call visit only), 3-months, 6-months (phone call), 12-months (phone call or in-person), and 15-months Data collected for this study will be submitted for review and approval by the U.S. Food and Drug Administration (FDA).
Volunteers are being asked to participate in a clinical research study to find out if the drug dapagliflozin is safe and effective compared to placebo (an inactive substance) in the treatment of people with heart failure with preserved ejection fraction (ability of the heart to relax and squeeze to pump out blood). AstraZeneca is doing this research to find out if the new medication called dapagliflozin will work and be safe for the treatment of heart failure in addition to standard therapy used for treatment of heart failure. The study is planned to go on for about 33 months and include 4700 patients from about 21 countries.
This research study is carried out to see if dapagliflozin is effective in preventing worsening of heart failure and improving survival in patients with heart failure and preserved systolic function. The placebo tablet will look identical with the dapagliflozin tablet. During the study participants will either receive dapagliflozin 10 mg once a day or an identical-looking placebo once a day. Which study drug subjects will receive throughout the study is decided at random by a computer (purely by chance, like the tossing of a coin). Subjects have a 50% chance of receiving dapagliflozin and a 50% chance of receiving placebo. Subjects and the study doctor will not know which study drug the participants receive.
This study will involve subjects undergoing clinically indicated Right heart catheterization for either idiopathic pulmonary arterial hypertension (IPAH) or heart failure with preserved ejection fraction (HFpEF). The catheter tip utilized in the procedure, which would otherwise be discarded, will be collected and tested. A test performed on the cells adhered to the end of the catheters has been developed which we believe can aid in the differentiation of patients diagnosed with IPAH vs. HFpEF.
The purpose of this study is to test whether the study drug (QPI-1002) prevents Major Adverse Kidney Events (MAKE) after heart surgery in adult patients who are at high risk of developing Acute Kidney Injuries (AKI). This study is a one-time infusion of the study drug (QPI-1002) with follow-up visits lasting for one year.
The purpose of the study is to generate a bio bank of specimens for research. We will tissue that would otherwise be discarded from clinical or surgical procedure and information from medical records. We will also collect discarded blood, urines and sputum. Collecting samples will help to better understanding the mechanisms of cardiovascular diseases, identify biomarkers for early diagnosis and to predict safety and efficacy of new therapies.