A Study to Evaluate Efficacy and Safety of QLG1218(Daprodustat) in Chinese Hemodialysis (HD)-Dependent Subjects With Anemia Associated With Chronic Kidney Disease (CKD)

Inclusion criteria

• Female or male，age 18 to 75
• Weight 45 to 100 kg
• Receiving hemodialysis (including hemodiafiltration) consistently three times a week for at least 12 weeks prior to screening.
• Patients with pre-dialysis Hb levels measured after the maximum interdialytic interval at Scr Visit 1 and Scr Visit 2 (1 week after the start of observation) of ≥95 g/L and <120 g/L and a difference (in absolute value) between Scr Visit 1 and Scr Visit 2 of ≤15 g/L.
• TSAT >20% and ferritin >100 μg/L
• Use of one and the same ESA for 10 weeks prior to screening
• Darbepoetin alfa 10 to 60 μg per week, epoetin (including biosimilars) 1500 to 10000 international units (IU) per week.

Exclusion criteria

• History of bone-marrow hypoplasia, pure red cell aplasia, pernicious anemia, thalassemia, sickle cell anemia, or myelodysplastic syndromes.
• History of malignancy.
• Evidence of actively bleeding gastric, duodenal, or esophageal ulcer disease OR clinically significant GI bleeding within 12 weeks prior to screening or during a period from screening to Day 1.
• Myocardial infarction, acute coronary syndrome, stroke, or transient ischemic attack: Diagnosed within 12 weeks prior to screening or during a period from screening to Day 1
• Chronic Class III or IV heart failure, as defined by the New York Heart Association (NYHA) functional classification system.
• poorly controlled hypertension.
• Current unstable active liver or biliary disease.
• History of severe allergic or anaphylactic reactions or hypersensitivity to excipients in the investigational product.
• Use or planned use of any prescription or non-prescription drugs or dietary supplements that are prohibited during the study period.
• Use of an investigational agent within 30 days or five half lives of the investigational agent (whichever is longer)
• Use of daprodustat or other HIF-PHI within 4 weeks prior to screening, or any prior treatment with daprodustat for a treatment duration of > 4weeks.
• QTc >500 milliseconds (msec); or QTc >530 msec in subjects with bundle branch block.
• ALT or AST >2 upper limit of normal (ULN)，or bilirubin >1.5×ULN.