Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Randomized, Controlled, Open-label, Multi-center, Parallel-group Study to Demonstrate the Efficacy and Safety of RO0503821 When Administered Intravenously for the Maintenance Treatment of Anemia in Patients With Chronic Kidney Disease Who Are on Dialysis.
Brief Summary: This study will assess the efficacy and safety of intravenous Mircera, given as maintenance treatment for renal anemia in chronic kidney disease patients on dialysis who were previously receiving iv epoetin. The anticipated time on study treatment is 1-2 years and the target sample size is 100-500 individuals.


Options:
A: Inclusion Criteria:

* adult patients \>=18 years of age;
* chronic renal anemia;
* on dialysis therapy for at least 12 weeks before screening;
* receiving IV epoetin for at least 8 weeks before screening.

Exclusion Criteria:

* women who are pregnant, breastfeeding or using unreliable birth control methods;
* administration of another investigational drug within 4 weeks before screening, or during the study period.
B: Inclusion Criteria:

* adult patients \>=18 years of age;
* type 1 or type 2 diabetes;
* stable glycemic control for \>=3 months;
* diabetic nephropathy.

Exclusion Criteria:

* women who are pregnant, breastfeeding, or unwilling to use a reliable contraceptive method;
* previous treatment with erythropoietin or other erythropoietic substance;
* nondiabetic renal disease, nephrotic syndrome;
* blood transfusion within the 3 months prior to enrollment;
* administration of any investigational drug within 30 days preceding the study start, and during the study.
C: Inclusion Criteria:

* adult patients \>=18 years of age;
* chronic renal anemia;
* not receiving renal replacement therapy.

Exclusion Criteria:

* women who are pregnant or lactating;
* previous treatment with erythropoietin or other erythropoietic substance;
* blood transfusion within the last 3 months;
* need for dialysis expected in the next 6 months;
* administration of another investigational drug within 30 days preceding study start, or during the study.
D: Inclusion Criteria:

* Patients with moderate renal failure (glomerular filtration rate \[GFR\] by Cockroft formula of 20-70 ml/min)
* Patients with heart failure NYHA class II-III-IV
* Hemoglobin (Hb) between 6.4 - 7.8 mmol/L in men and between 6.0 - 7.4 mmol/L in women
* Age \> 18 years, \< 80 years
* Written informed consent must be obtained from the subject or legally accepted representative before study-specific procedures, including screening procedures, are performed.

Exclusion Criteria:

* Therapy within 1 year before randomisation or any planned erythropoietic therapy between randomisation and study day 1
* Known intolerance to EPO administration
* Previously suspected of or confirmed to have neutralizing antibodies to recombinant human erythropoietin (rHuEPO)
* Uncontrolled hypertension (RR \> 160 systolic, \>100 diastolic)
* Forms of secondary hypertension other than renal hypertension
* Uncontrolled diabetes (HbA1c \> 8.0 %)
* Primary dyslipidemia
* Kidney transplantation
* Proteinuria \> 3.5 g/L
* Acute renal failure or rapidly progressive glomerulonephritis
* Hyperparathyroidism (parathyroid hormone \[PTH\] \> 40)
* Bleeding or haemolysis as a cause of anaemia
* Deficiency of iron, folate, and/or vitamin B12
* Presence of chronic inflammatory disease or clinically significant infection
* Haematologic malignancy or solid tumour \< 5 years ago
* Chronic liver disease
* Haemoglobinopathies
* Alcohol and/or drug abuse
* Enrolment in another study
* Child bearing potential (pre-menopausal woman who is not using adequate contraceptive precautions)
* Any kind of disorder that compromises the ability of the subject to give written informed consent and/or to comply with study procedures

Answer: A