PALO ALTO, Calif.--(BUSINESS WIRE)--Affymax, Inc. (Nasdaq:AFFY) today announced that enrollment has begun in a Phase 2 clinical trial of Hematide™ to correct anemia in patients with chronic renal failure (CRF) who are undergoing dialysis and are not actively being treated with an erythropoiesis stimulating agent (ESA). The trial is intended to generate data for Hematide as an anemia correction therapy in this segment of the CRF patient population, some of whom may be ESA-naive. This is the first Hematide correction study in the dialysis indication.