BETHESDA, Md.--(BUSINESS WIRE)--REGENERX BIOPHARMACEUTICALS, INC. (NYSE Amex:RGN) (www.regenerx.com) announced today that it will participate in the Second International Symposium on Thymosins in Health and Disease. This conference will take place from September 30, through October 2, 2009 in Catania, Italy. The forum is sponsored by The George Washington University School of Medicine and Health Sciences, in collaboration with the University of Rome “Tor Vergata” and The University of Catania. This meeting brings together many of the leading researchers in the U.S., Europe, and Asia to report on advances that have been made in the chemistry, biology, and clinical application of thymosins in health and disease. A schedule of presentations may be viewed at http://www.gwumc.edu/cehp/thymosin09/schedule.html.