[A pegylated form of recombinant human erythropoietin, a glycosylated protein naturally produced in the kidney that stimulates erythrocyte production in the bone marrow. Methoxypolyethylene glycol epoetin beta may reverse anemias induced by cancer therapy. Check for "http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?id=339378&idtype=1" active clinical trials or "http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?id=339378&idtype=1&closed=1" closed clinical trials using this agent. ("http://nciterms.nci.nih.gov:80/NCIBrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&code=C38687" NCI Thesaurus) ( PDQ )]