FDA approves addition of 10 sites to WorldHearts Levacor VAD BTT clinical study
World Heart Corporation, a developer of mechanical circulatory systems, announced today that the United States Food and Drug Administration (FDA) has approved the addition of ten sites to the Levacor ventricular assist device (VAD) Bridge-to-Transplant (BTT) clinical study. WorldHeart’s pivotal BTT study is now approved to enroll patients at 20 sites in the U.S.

