The Methodist DeBakey Heart & Vascular Center is among only three centers in the country to have this study available. If this study works, this procedure could prevent future sufferers from needing a heart ventricular or transplantation support device, which is a mechanical circulatory device utilized to partially or completely replace the function of a failing heart, said Dr. Jerry Estep, cardiologist and medical director of the Methodist Center Transplant system. To be considered because of this trial, individuals will need to have an existing need for heart bypass surgery and must have a left ventricular ejection fraction of 40 % or less.These trials have to be made to produce clear outcomes also to design better candidates in the future. This research must be complemented by ongoing research of other brand-new biomedical prevention strategies, and by full-scale, fully-funded implementation of proved treatment and prevention strategies. ‘ An interim evaluation of data from the scholarly study, involving over 3,000 people testing an adenovirus-based vaccine produced by the Merck Study Laboratories, showed no efficacy in avoiding new attacks or in reducing viral load in people who received the vaccine and went on to become infected. The scholarly study was scheduled to end in 2009. Periodic reviews of data by an unbiased monitoring board are portion of the clinical trials process, and the study was halted on the recommendation of the STEP Study monitoring plank after a regularly-planned review.