WIXOM, Mich., March 6, 2008 (PRIME NEWSWIRE) -- Rockwell Medical Technologies, Inc. (Nasdaq:RMTI), a leading, innovative manufacturer and developer of renal drug therapies and essential dialysate products, reported record fourth quarter 2007 sales of $11.95 million, up 29.5% as compared to $9.2 million for the same period of 2006. Loss per share for the fourth quarter was ($.09) vs. ($.10) for the same period of 2006.