Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Randomized Multicenter Trial Comparing Mycophenolate Mofetil and Azathioprine as Remission-maintaining Treatment for Proliferative Lupus Glomerulonephritis. The MAINTAIN Nephritis Trial.
Brief Summary: The purpose of the study is to determine whether mycophenolate mofetil is superior to azathioprine to prevent flares of lupus nephritis.


Options:
A: Inclusion Criteria:

1. Patients who fulfill at least 4 of the ACR criteria for SLE
2. Age \>= 18 years
3. Biopsy proven active lupus glomerulonephritis (ISN/RPS class III/IV/V)
4. Serum creatinine \< 200 umol/L at the time of randomization

Exclusion Criteria:

1. Patients who refuse to be randomized for treatment
2. Patients who prefer treatment with conventional agents such as oral or intravenous CYC for various reasons
3. Serum creatinine \>= 200 umol/L at the time of randomization
4. Patients without renal biopsy or those who have lupus nephritis ISN/RPS class I,II,VI
5. Patients who are pregnant or plan for pregnancy within 12 months after randomization
B: Inclusion Criteria:

1. Male or non-pregnant females age 16 to 65 years inclusive.
2. Written informed consent obtained from patient or parents/guardian.
3. Patients with SLE fulfilling American Rheumatism Association criteria and SLEDAI score\>8 or BILAG score A/B.
4. Patients with newly diagnosed World Health Organization (WHO) Class III or IV Lupus Nephritis

Exclusion Criteria:

Patients with any of the following are not eligible for enrollment into the study:

1. Pregnant or nursing woman or women of childbearing potential except if post-menopausal, surgically sterile or using accepted method(s) of birth control or having negative pregnancy test.
2. Participation in any research in which the patient received an investigational product within 30 days preceding the screening phase of this study.
3. Those persons directly involved in the conduct of the study.
4. Serum creatinine more than 250 µmol/L.
5. White blood cell (WBC) count of less than 3.5 X 109/L.
6. Active peptic ulcer disease.
7. Active systemic infection.
8. History of alcohol or substance abuse.
9. History of malignancy within previous 5 years.
10. Any serious medical conditions or disability, which in the opinion of the investigator, would interfere with treatment or assessment or preclude completion of this study.
C: Inclusion Criteria:

* SLE aged ≥ 14 years
* Proteinuria ≥ 500 mg/day
* Biopsy-proven proliferative lupus nephritis

Exclusion Criteria:

* Recent treatment with high-dose glucocorticoids
* Recent treatment with immunosuppressive drugs
* More exclusion criteria in the protocol
D: Inclusion Criteria

* Diagnosed with SLE
* Historical evidence of SLE renal disease
* Elevated levels of dsDNA antibodies
* Weight of 40 kg or greater

Exclusion Criteria

* Active SLE renal disease
* Use of certain anti-inflammatory or cytotoxic therapies or therapeutic interventions during the months immediately before dosing
* Clinical laboratory test values outside of certain limits
* Malignant disease or immunodeficiency syndrome
* Acute or chronic infections
* History of serious heart disease

Answer: C