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Participants eligible for inclusion in this study must meet all of the |
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following criteria |
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Adult male and female participants aged 18 years or older at the time of |
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baseline |
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Weigh at least 35 kg at screening |
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Have a confirmed clinical diagnosis of SLE according to European League Against |
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Rheumatism/American College of Rheumatology (EULAR/ACR) Systemic lupus erythematosus (SLE) |
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classification criteria |
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Have a positive anti-nuclear antibody (ANA) test result; ANA titer ≥1:80 at screening visit |
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based on central laboratory result |
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Active LN at screening, as defined by meeting the 3 following criteria |
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Biopsy within 6 months prior to screening period indicating ISN/RPS class III or IV |
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active glomerulonephritis with or without co-existing class V features, or pure class |
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V membranous LN. If no biopsy was performed within 6 months prior to screening period |
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a biopsy will need to be performed during the screening period after having met all |
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UPCR ≥1.0 on 24h urine collection at Screening |
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eGFR ≥25mL/min/1.73 m2 |
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Participants must be currently on, or willing to initiate SoC induction therapy for LN |
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according to the institutional practices using MPA |
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Receipt of at least one dose of pulse methylprednisolone i.v. (500-1000 mg) or equivalent |
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for treatment of current episode of active LN during past 60 days prior screening |
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Able to communicate well with the Investigator to understand and comply with the |
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requirements of the study |
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Participants meeting any of the following criteria are not eligible for inclusion in this
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study
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Severe renal impairment as defined by i.) Stage 4 Chronic Kidney Disease (CKD), or ii.)
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presence of oliguria (defined as a documented urine volume <400 mL/24 hrs), or iii.)
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End-Stage Renal Disease (ESRD) requiring dialysis or transplantation
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Sclerosis in >50% of glomeruli on renal biopsy
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Use of other investigational drugs within 5 half-lives of enrollment, or within 30 days or
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until the expected pharmacodynamic effect has returned to baseline
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Prior use of any B cell depleting therapy within 36 weeks prior to randomization or as long
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as B cell count <50 cells/μL
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Prior treatment with any of the following within 12 weeks prior to randomization
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belimumab, abatacept, TNF-α mAb, immunoglobulins (i.v./s.c.) plasmapheresis
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any other immuno-suppressants (i.v. or oral cyclophosphamide, calcineurin inhibitors
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JAK inhibitors or other kinase inhibitors)
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thalidomide treatment and/or one of the following DMARDs: methotrexate or an imidazole
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derivative (e.g., azathioprine, mizoribine)
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Receipt of more than 3000 mg i.v. pulse methylprednisolone (cumulative dose) within 12
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weeks prior to Baseline
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History of major organ transplant or hematopoietic stem cell/bone marrow transplant or are
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due to receive transplantation
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Any one of the following laboratory values at screening
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Hemoglobin levels <8.0 g/dL
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Platelet count <75 x 1000/µL
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Absolute neutrophil count (ANC) <1.0 x 1000/µL
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Active viral, bacterial or other infections requiring systemic treatment at the time of
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screening, or history of recurrent clinically significant infection or of bacterial
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infections with encapsulated organisms
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History of known intolerance/hypersensitivity to MPA, oral corticosteroids, or any
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component of the study drug(s) or its excipients
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Receipt of live/attenuated vaccine within a 4-week period prior to randomization
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History of primary or secondary immunodeficiency, including a positive HIV test result
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History of malignancy of any organ system (other than localized basal cell carcinoma or
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squamous cell carcinoma of the skin or or in-situ cervical cancer), treated or untreated
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within the past 5 years, regardless of whether there is evidence of local recurrence or
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metastases
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Any surgical, medical (e.g., uncontrolled hypertension, heart failure or diabetes)
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psychiatric or additional physical condition that the Investigator feels may jeopardize the
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patient in case of participation in this study
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Chronic infection with hepatitis B (HBV) or hepatitis C (HCV). Positive serology for
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hepatitis B surface antigen (HBsAg) excludes the participant
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Evidence of active tuberculosis (TB) infection (after anti-TB treatment, participants with
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history of TB may become eligible according to national guidelines)
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Pregnant or nursing (lactating) women
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Women of child-bearing potential, defined as all women physiologically capable of becoming
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pregnant, unless they are using highly effective methods of contraception during dosing and
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for 6 months after stopping of investigational medication
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