MIAMI, FL -- (MARKET WIRE) -- March 06, 2007 -- DOR BioPharma, Inc. ("DOR" or the "Company") (OTCBB: DORB) announced that it has engaged RBC Capital Markets Corporation ("RBC") to assist in the evaluation and potential negotiation of the unsolicited acquisition proposal from Cell Therapeutics. DOR has retained RBC to provide advice in response to new and improved acquisition interest from Cell Therapeutics, Inc. and other unnamed parties.