LEXINGTON, Mass.--(BUSINESS WIRE)--March 21, 2006--The Board of Directors of NitroMed, Inc. (NASDAQ:NTMD) today announced that Dr. Argeris (Jerry) Karabelas, current Chairman of NitroMed’s Board of Directors, has been appointed interim Chief Executive Officer of NitroMed, in addition to his role as Chairman. Dr. Karabelas succeeds Dr. Michael Loberg, who resigned from his position as NitroMed’s President, Chief Executive Officer and director effective today.