A Randomized, Multicenter, Open-label, 6-month Study to Explore the Efficacy and Safety of Enteric-coated Mycophenolate Sodium in Combination With Two Corticosteroid Regimens for the Treatment of Lupus Nephritis Flare

The study will investigate the efficacy and safety of enteric-coated mycophenolate sodium in combination with two different corticosteroid (CS) regimes for the induction of remission of a lupus nephritis flare. Patients will be randomly allocated to standard CS regimen (group I) or to a reduced dose CS regimen (group II)