Dose-Finding Study of Vadadustat in Japanese Subjects With Anemia Secondary to Non-Dialysis Dependent Chronic Kidney Disease (NDD-CKD)

Inclusion Criteria: * Male and female Japanese participants ≥20 years of age * Diagnosis of chronic kidney disease (CKD) based on an estimated glomerular filtration rate ≤60 milliliters per minute per 1.73 meters squared (mL/min/1.73 m\^2) * Hemoglobin (Hb) ≤10.5 grams per deciliter (g/dL) * Not currently being treated with dialysis and not expected to start dialysis within 3 months of screening 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 * Intravenous iron within 4 weeks prior to or during screening * Any use of erythropoiesis-stimulating agents within 6 weeks prior to or during screening