The use of electronic cigarettes, also known as e-cigs or vaping, has increased among former smokers and young adults who have never smoked. Relatively little is known, however, about their health effects (whether they are adverse, have no effect, or are beneficial). The purpose of this research study is to evaluate (1) the association of e-cig use with…
The purpose of this study is to find out if the mitral valve can be safely replaced using a procedure that issimpler than the open-heart procedure being used today and may be safer for patients who are at ahigher risk from conventional open-heart surgery. The device being studied would be implanted without the need for an open-heart procedure and without…
The REDUCE LAP-HF I study is being conducted to evaluate the safety and performance of the InterAtrial Shunt Device (IASD) for patients with elevated left atrial pressure who remain symptomatic despite appropriate medical management. Placed by an interventional cardiologist during a standards catheter-based procedure, the IASD system creates a very small…
The purpose of this study is to find out whether delivering SBRT to the prostate, combined with the study drug atezolizumab, is a safe and effective treatment when given in combination with abiraterone, prednisone, and Lupron (the standard treatment for this disease). In addition, the researchers want to find out whether the…