CAMBRIDGE, Mass.--(BUSINESS WIRE)--Archemix Corp. announced today that Dr. Errol De Souza, Archemix’s President and Chief Executive Officer, will present at the 28th Annual Cowen and Company Health Care Conference in Boston on Monday, March 17th at 9:30 a.m. In his presentation, Dr. De Souza will provide an update on Archemix’s product portfolio, including the company’s ARC1779 aptamer, and strategic and business initiatives and goals for 2008.