Study to Evaluate Vadadustat for Anemia in Subjects With Dialysis-Dependent Chronic Kidney Disease (DD-CKD) Who Are Hyporesponsive to Erythropoiesis Stimulating Agents

Exclusion Criteria

• •Anemia due to a cause other than CKD or presence of active bleeding or recent blood loss
• •Sickle cell disease, myelodysplastic syndromes, bone marrow fibrosis, hematologic malignancy, myeloma, hemolytic anemia, thalassemia, or pure red cell aplasia
• •Red blood cell transfusion within 4 weeks prior to or during screening
• •Anticipated to recover adequate kidney function to no longer require hemodialysis during study participation