The objective of the study is to evaluate the safety and efficacy of the JenaValve Pericardial TAVR system when treating patients with aortic regurgitation. Aortic Regurgitation is a condition that develops when the heart's aortic valve does close tightly, therefore the blood leaks back into the heart chamber. The JenaValve Pericardial TAVR system will…
This study is called a screening study and the purpose of this study to find better ways to diagnose and treat leukemia that has come back after treatment or difficult to treat. Bone marrow, blood, and medical information about cancer and treatment will be collected. The results from this screening study may give other information about leukemia that is…