Study Status: RECRUITING
Recruit Status: RECRUITING
Study Type: INTERVENTIONAL
Official Title: Safety and Effectiveness of Balloon-Expandable Bioprosthetic SAPIEN X4 Transcatheter Heart Valve in Failing Aortic Bioprosthetic Valves
Brief Summary: The objective of this study is to establish the safety and effectiveness of the Edwards SAPIEN X4 Transcatheter Heart Valve (THV) in subjects who are at high or greater risk with a failing aortic bioprosthetic valve.