- aplastic anemia
It is in a class of medicines called erythropoiesis-stimulating agents (ESAs). Darbepoetin alfa can help improve red blood cell counts in bone marrow failure patients whose natural erythropoietin levels are low. It is given by injection under the skin (subcutaneous) or in the vein (intravenous). Darbepoetin alfa is approved by the U.S. Food and Drug Administration (FDA) for treating anemia.