WIXOM, Mich., March 28, 2011 (GLOBE NEWSWIRE) -- Rockwell Medical (Nasdaq:RMTI), a fully-integrated biopharmaceutical company offering innovative products and services targeting end-stage renal disease (ESRD), chronic kidney disease (CKD), and iron deficiency anemia, announced today that it has executed a multi-year supply agreement with DaVita Inc. through 2013.