Epoetin beta
Epoetin beta, sold under the brand name Neorecormon among others, is a synthetic, recombinant form of erythropoietin, a protein that promotes the production of red blood cells. It is an erythropoiesis-stimulating agent that is used to treat anemia, commonly associated with chronic kidney failure and cancer chemotherapy.
It is on the World Health Organization's List of Essential Medicines.