FRAMINGHAM, Mass. and SYDNEY, Nov. 14, 2010 /PRNewswire-FirstCall/ -- HeartWare International, Inc. (Nasdaq: HTWR) (ASX: HIN), a leading innovator of less invasive, miniaturized circulatory support technologies that are revolutionizing the treatment of advanced heart failure, today announced that data from its pivotal bridge to heart transplantation (BTT) study, ADVANCE, showed that 92% of the investigational device patients met the per protocol primary endpoint of the trial, which was defined as alive on the originally implanted device, transplanted or explanted for recovery at 180 days.
Results from the ADVANCE clinical study also demonstrated that 94% of the investigational device patients enrolled in the study achieved a survival endpoint at 180 days, and the study also projected one-year survival of 91% using Kaplan-Meier analysis.
HeartWare's ADVANCE clinical trial is a Food and Drug Administration approved IDE study designed to evaluate the HeartWare® Ventricular Assist System as a bridge to heart transplantation for patients with end-stage heart failure. Between August 2008 and February 2010, 140 patients at 30 hospitals in the United States received the HeartWare investigational device. The per protocol analysis includes 137 patients in the investigational device cohort.
Results for the comparator arm of the study, derived from 499 contemporaneous patients from the Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) demonstrated 90% success of the primary endpoint at 180 days, as well as Kaplan-Meier survival at 180 days of 90%, and 86% at 360