BETHESDA, Md.--(BUSINESS WIRE)--March 21, 2006--RegeneRx Biopharmaceuticals, Inc. (AMEX:RGN), today announced that it will report fourth quarter and year end 2005 results before the market opens on Friday, March 31, 2006. The company will also conduct a conference call the same day at 11:00 a.m. Eastern Time to discuss the results and its outlook for 2006.