Safety, Efficacy and Tolerability of Ianalumab Versus Placebo, Combination With SoC Therapy, in Participants With Active Lupus Nephritis

Inclusion Criteria: Participants eligible for inclusion in this study must meet all of the following criteria: * Adult male and female participants aged 18 years or older at the time of screening * Weigh at least 35 kg at screening * Have a confirmed clinical diagnosis of SLE according to European League Against Rheumatism/American College of Rheumatology (EULAR/ACR) Systemic Lupus Erythematosus (SLE) classification criteria * Have a positive anti-nuclear antibody (ANA) test result; ANA titer ≥ 1:80 at screening visit based on central or local laboratory result * Active LN at screening, as defined by meeting the 3 following criteria: * Renal biopsy within 6 months prior to screening period indicating ISN/RPS class III or IV active glomerulonephritis with or without co-existing class V features, or pure class V membranous LN. If no biopsy was performed within 6 months prior to screening period, a biopsy will need to be performed during the screening period after having met all other inclusion/exclusion criteria. * UPCR ≥ 1.0 g/g on 24h urine collection at Screening * eGFR ≥ 25mL/min/1.73 m2. Participants with eGFR \< 30 mL/min/1.73 m2 require renal biopsy during the screening period showing sclerosis in ≤ 50% of glomeruli * Newly diagnosed participants as well as pre-treated LN participants (including refractory cases) can be included, as long as they are currently on, or willing to initiate SoC induction therapy for LN using MPA * Induction therapy, as defined by treatme…