CDC: Hip substitute surgical procedures are more frequent in the U.S. According to the Centers for Disease Control and Prevention , hip replacements are among the most common surgical procedures in the usa; and with osteoarthritis and obesity increasing, demand for the procedure is likely to grow ?malegra . Israel is among nine countries to take part in this global Stage III trial. The Stage III trial will end up being conducted in approximately 48 clinical centers. CEL-SCI’s partner Teva Pharmaceutical Industries will end up being conducting the trial at three medical centers in Israel. The Phase III trial were only available in the United States in late December 2010 and is expected to commence in other countries around the world next 30-60 days.