- prior Treatments: Prior investigational drugs (within 30 days) Radiation therapy, chemotherapy, or cytotoxic therapy for non- MDS conditions within the previous 6 months Growth factors (EPO, G-CSF or GM-CSF) during the previous 21 days Androgenic hormones during the previous 14 days Prior transplantation or cytotoxic therapy, including azacitidine and chemotherapy, administered to treat MDS.