Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Phase 3 Randomized, Open-label (Sponsor-blind), Active-controlled, Parallel-group, Multi-center, Event Driven Study in Dialysis Subjects With Anemia Associated With Chronic Kidney Disease to Evaluate the Safety and Efficacy of Daprodustat Compared to Recombinant Human Erythropoietin, Following a Switch From Erythropoietin-stimulating Agents
Brief Summary: The purpose of this multi-center event-driven study in participants with anemia associated with chronic kidney disease (CKD) to evaluate the safety and efficacy of daprodustat.


Options:
A: Inclusion Criteria:

* Age: 18 to 99 years of age (inclusive).
* Erythropoietin-stimulating agents (ESAs): Use of any approved ESA for at least the 6 weeks prior to screening and between screening and randomization.
* Hgb concentration: On Week -8: Hgb 8 to 12 grams per deciliter (g/dL). On randomization (Day 1): Hgb 8 to 11 g/dL and receiving at least the minimum ESA dose. Hgb \>11 g/dL to 11.5 g/dL and receiving greater than the minimum ESA dose.
* Dialysis: On dialysis \>90 days prior to screening and continuing on the same mode of dialysis from screening (Week -8) through to randomization (Day 1).
* Frequency of Dialysis: Hemodialysis (HD) \>=2 times/week and peritoneal dialysis (PD) \>=5 times/week. Home hemodialysis \>=2 times/week.
* Compliance with placebo \[randomization (Day 1) only\]: \>=80% and \<=120% compliance with placebo during run-in period.
* Informed consent (screening only): capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the consent form and in this protocol.

Exclusion Criteria:

* Kidney transplant: Planned living-related or living-unrelated kidney transplant within 52 weeks after study start (Day 1).
* Ferritin: \<=100 nanograms (ng)/milliliter (mL) (\<=100 micrograms/liter \[L\]) at screening.
* Transferrin saturation (TSAT) (screening only): \<=20%.
* Aplasias: History of bone marrow aplasia or pure red cell aplasia.
* Other causes of anemia: Untreated Pernicious anemia, thalassemia major, sickle cell disease or myelodysplastic syndrome.
* Gastrointestinal (GI) bleeding: Evidence of actively bleeding gastric, duodenal, or esophageal ulcer disease or clinically significant GI bleeding \<=4 weeks prior to screening through to randomization (Day 1).
* MI or acute coronary syndrome: \<=4 weeks prior to screening through to randomization (Day 1).
* Stroke or transient ischemic attack: \<=4 weeks prior to screening through to randomization (Day 1).
* Heart failure (HF): Chronic Class IV HF, as defined by the New York Heart Association (NYHA) functional classification system.
* Current uncontrolled hypertension: Current uncontrolled hypertension as determined by the investigator that would contraindicate the use of recombinant human erythropoietin (rhEPO).
* Bazett's corrected QT interval (QTcB) (Day 1): QTcB \>500 millisecond (msec), or QTcB \>530 msec in subjects with bundle branch block. There is no QT Interval Corrected for Heart Rate (QTc) exclusion for subjects with a predominantly ventricular paced rhythm.
* Alanine transaminase (ALT): \>2x upper limit of normal (ULN) at screening.
* Bilirubin: \>1.5xULN at screening.
* Current unstable liver or biliary disease per investigator assessment, generally defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminaemia, esophageal or gastric varices, persistent jaundice, or cirrhosis.
* Malignancy: History of malignancy within the 2 years prior to screening through to randomization (Day 1) or currently receiving treatment for cancer, or complex kidney cyst (example \[e.g.\] Bosniak Category II F, III or IV) \> 3 centimeter (cm); with the exception of localized squamous cell or basal cell carcinoma of the skin that has been definitively treated \>=4 weeks prior to screening.
* Severe allergic reactions: History of severe allergic or anaphylactic reactions or hypersensitivity to excipients in the investigational product, or epoetin alfa or darbepoetin alfa.
* Drugs and supplements: Use of strong inhibitors of Cytochrome P4502C8 (CYP2C8) (e.g., gemfibrozil) or strong inducers of CYP2C8 (e.g., rifampin/rifampicin).
* Other study participation: Use of other investigational agent or device prior to screening through to randomization (Day 1).
* Prior treatment with daprodustat: Any prior treatment with daprodustat for treatment duration of \>30 days.
* Females only: Subject is pregnant \[as confirmed by a positive serum human chorionic gonadotrophin (hCG) test for females of reproductive potential (FRP) only\], subject is breastfeeding, or subject is of reproductive potential and does not agree to follow one of the contraceptive options listed in the List of Highly Effective Methods for Avoiding Pregnancy.
* Other Conditions: Any other condition, clinical or laboratory abnormality, or examination finding that the investigator considers would put the subject at unacceptable risk, which may affect study compliance (e.g., intolerance to rhEPO) or prevent understanding of the aims or investigational procedures or possible consequences of the study.
B: Inclusion Criteria

* Age (informed consent): \>=20 years of age
* Dialysis: On HD or hemodiafiltration (HDF) given three times weekly for at least 12 weeks prior to screening
* ESAs: Use of one and the same ESA for 10 weeks prior to screening
* ESA dose: Darbepoetin alfa 10 to 60 μg per week, epoetin (including biosimilars) \<=9000 international units (IU) per week, or epoetin beta pegol \<=250 μg per 4 weeks
* Hgb:\>=9.5 g/dL and \<=12.5 g/dL. Determined at the site using an Hgb analyzer
* Iron parameters: Ferritin \>100 nanogram (ng)/millilitre (mL) or transferrin saturation (TSAT) \>20 percent (screening verification only)
* Gender (screening verification only): Female or male

Females: Not pregnant \[demonstrated to be negative for human chorionic gonadotropin (hCG) in serum\], not breast-feeding, and meet at least one of the following:

• Females of non-childbearing potential are defined as follows:

Pre-menopausal with at least one of the following and no plans to utilise assisted reproductive techniques (e.g., in vitro fertilisation or donor embryo transfer):

* History of bilateral tubal ligation or salpingectomy
* History of hysteroscopic tubal occlusion and postoperatively documented bilateral tubal obstruction
* History of hysterectomy
* History of bilateral oophorectomy Postmenopausal defined as A) females 60 years of age or older or B) In females \< 60 years of age, 12 months of spontaneous amenorrhea \[in questionable cases a blood sample with postmenopausal follicle stimulating hormone (FSH) and estradiol concentrations is confirmatory (see separately specified reference ranges)\]. Females on hormone replacement therapy (HRT) whose menopausal status is in doubt will be required to use one of the most effective contraception methods if they wish to continue their HRT during the study. Otherwise they must discontinue HRT to allow confirmation of post-menopausal status prior to study enrolment.

  • Females of childbearing potential must agree to comply with one of the contraception methods listed as requirements in "GlaxoSmithKline (GSK) Listing of Most Effective Contraceptive Methods for Females of Childbearing Potential from 28 days prior to the first dose of study medication until the completion of the follow-up visit.
* Informed consent: Written informed consent, including adherence to the requirements and conditions specified in the consent form and the protocol, must be obtained from each subject.

Exclusion Criteria

CKD-related criteria

* Kidney transplant: Planned living-related kidney transplant during the study

Anemia-related criteria

* Aplasia: History of bone-marrow hypoplasia or pure red cell aplasia
* Other causes of anemia: pernicious anemia, thalassemia, sickle cell anemia, or myelodysplastic syndromes
* Gastrointestinal (GI) bleeding: Evidence of actively bleeding gastric, duodenal, or esophageal ulcer disease OR clinically significant GI bleeding within 10 weeks prior to screening or during a period from screening to Day 1

Cardiovascular disease-related criteria

* Myocardial infarction, acute coronary syndrome, stroke, or transient ischemic attack: Diagnosed within 10 weeks prior to screening or during a period from screening to Day 1
* Heart failure: Chronic Class IV heart failure, as defined by the New York Heart Association (NYHA) functional classification system
* Corrected QT (QTc) Interval (screening verification only): QTc \>500 milliseconds (msec); or QTc \>530 msec in subjects with bundle branch block Note: QT interval corrected using the Bazett's formula (QTcB) will be used, and electrocardiogram (ECG) can be mechanically or manually read

Other disease-related criteria:

* Liver disease (if any of the following occurs):

  * Alanine transaminase (ALT) \>2 upper limit of normal (ULN)
  * Bilirubin \>1.5×ULN (isolated bilirubin \>1.5 ULN is acceptable if bilirubin is fractionated and direct bilirubin is \<35 percent)
  * Current unstable active liver or biliary disease (generally defined by the onset of ascites, encephalopathy, coagulopathy, hypoalbuminemia, esophageal/gastric varices, persistent jaundice, or cirrhosis)
* Malignancy: History of malignancy within 2 years prior to screening, currently receiving treatment for cancer, or complex kidney cyst \>3 centimeters (cm) (II F, III or IV based on the Bosniak classification)

Concomitant medication and other study treatment-related criteria

* Iron: Planned use of intravenous iron during the screening phase or during a period from Day 1 to Week 4
* Severe allergic reactions: History of severe allergic or anaphylactic reactions or hypersensitivity to excipients in the investigational product.
* Drugs and supplements: Use or planned use of any prescription or non-prescription drugs or dietary supplements that are prohibited during the study period \[prohibited medications: strong inducers and inhibitor of Cytochrome P450 (CYP) 2C8\].
* Prior investigational product exposure: Use of an investigational agent within 30 days or five half lives of the investigational agent (whichever is longer)
* Prior treatment with daprodustat: Any prior treatment with daprodustat for a treatment duration of \>30 days

General health-related criteria

* Other conditions: Any other condition, clinical or laboratory abnormality, or examination finding that the investigator (or subinvestigator) considers would put the subject at unacceptable risk, which may affect study compliance or prevent understanding of the aims or investigational procedures or possible consequences of the study.
C: Inclusion Criteria:

* Patients who diagnosed as a end-stage kidney disease (ESKD) and are receiving stable chronic maintenance dialysis 3 times per week for ≥ 12 weeks
* Patients who are receiving ESA for at least 8 weeks and the dose of ESA is within the dose range of ESA label
* Hb value at screening test is ≥10.0 g/dL
* Receiving hemodialysis via arteriovenous fistula (AVF) or arteriovenous graft (AVG) or via permanent catheter
* Most recent two Hb values before dialysis during washout period must be both \<9.5 g/dL and one of two Hb values must be tested on first visit of the week

Exclusion Criteria:

* Proliferative retinopathy, age-related macular degeneration, retinal vein occlusion and/or macular edema that is considered to require treatment
* Immunological disease with severe inflammation as assessed by the Investigator; even if the inflammation is in remission, the subject is excluded (e.g. lupus erythematosus, rheumatoid arthritis, Sjogren's syndrome, celiac disease, etc)
* Having a history of gastric/intestinal resection considered influential on the absorption of the drug in the gastrointestinal tract or active gastroparesis
* Uncontrollable hypertension (SBP ≥160 mmHg and DBP ≥110 mmHg, before dialysis, at screening test)
* Congestive heart failure (NYHA classification III or higher)
* Having a history of hospitalization for stroke, myocardial infarction or lung infarction within 24 weeks before 1st registration
* Positive for any of the following: human immunodeficiency virus (HIV); hepatitis B surface antigen (HBsAg); or anti-hepatitis C virus antibody (anti-HCV Ab)
* Anemia other than anemia due to low/absent renal production of EPO (e.g., iron deficiency anemia, hemolytic anemia, pancytopenia, etc)
* Pure red cell aplasia
* Using anabolic androgenic steroid, testosterone enanthate or mepitiostane within 6 weeks before 1st registration
D: Inclusion Criteria:

* - Eligible subjects will have a diagnosis of anemia associated with CKD(chronic kidney disease).
* Women without childbearing potential
* Male or female subject ≥ 18 years of age with anemia of CKD at screening
* On dialysis, defined as regular long-term hemodialysis, with the same modality of dialysis for ≥ 3 months before randomization
* Dialysis vascular access via native arteriovenous fistula, synthetic graft, long-term catheters, or long-term tunneled catheters
* Treated with epoetin alfa (US or Japan) or epoetin beta (Japan) via intravenous (IV) or subcutaneous (SC) route, on stable dosing defined as a \< 50% change from the maximum prescribed weekly dose with no change in the prescribed frequency during the last 8 weeks prior to randomization
* At least one kidney
* Mean screening Hb concentration 9.0 to 11.5 g/dL inclusive (mean of all local laboratory Hb measurements \[at least 2 measurements must be taken ≥ 2 days apart\] during the 4 week screening period, AND none of the measurements can be \< 9.0 g/dL or \> 12.0 g /dL
* Serum ferritin levels ≥ 100 μg/L OR transferrin saturation ≥ 20% at screening. Iron substitution is allowed
* Folate and vitamin B12 levels above the lower limit of normal. Supplementation is allowed
* Exclusion Criteria:
* Subjects with significant acute or chronic bleeding, such as overt gastrointestinal bleeding
* Hereditary hemoglobinopathies (including, but not limited to, sickle cell disease, beta thalassemia, and thalassemia major) which may be the primary cause of anemia
* Chronic lymphoproliferative diseases
* Any allograft (including renal allograft) in place and on immunosuppressive therapy, or a scheduled kidney transplant within the next 16 weeks (being on a waiting list does not exclude the subject)
* Chronic inflammatory disease that could impact erythropoiesis (e.g., systemic lupus erythematosis, rheumatoid arthritis, celiac disease)
* Subjects treated with immuno- or myelosuppressive therapy within 8 weeks prior to randomization: e.g., everolimus, sirolimus, rituximab, azathioprine, mycophenolate mofetil, mycophenolic acid, cyclosporine,methotrexate, and tacrolimus, chemotherapeutic agents and other anticancer agents, and systemic steroids (except inhaled steroids) for 7 days
* RBC-containing transfusion within 8 weeks before randomization
* History of cardio- (cerebro-) vascular events (e.g., unstable angina, myocardial infarction, stroke, transient ischemic attack, deep vein thrombosis, pulmonary embolism) within the last 6 months from the initial screening visit
* Sustained, poorly controlled arterial hypertension or hypotension at screening, defined as a mean BP ≥ 180/110 mmHg or systolic BP \< 95 mmHg, respectively
* Severe rhythm or conduction disorder (e.g., HR \< 50 or \> 110 bpm, atrial flutter, prolonged QT \>500 msec, second or third degree atrioventricular \[AV\]block if not treated with a pacemaker)
* New York Heart Association Class III or IV congestive heart failure
* Severe hepatic insufficiency (defined as alanine aminotransferase \[ALT\], aspartate aminotransferase \[AST\], or gamma-glutamyl transferase \> 3 times the upper limit of normal \[ULN\], total bilirubin \> 2 mg/dL, or Child-Pugh B or C) or active hepatitis in the investigator's opinion
* A scheduled surgery that may be expected to lead to significant blood loss

Answer: A