A Study to Evaluate the Efficacy and Safety of Obinutuzumab in Participants With Systemic Lupus Erythematosus

Inclusion criteria

• Diagnosis of SLE according to the 2019 European League Against Rheumatism/American College of Rheumatology (EULAR/ACR) Classification Criteria >=12 weeks prior to screening
• Anti-nuclear antibody (ANA) >=1:80, or anti-dsDNA and/or anti-Sm antibodies above the upper limit of normal (ULN), as determined by the central laboratory at screening
• Low C3 or low C4 or low CH50 complement as determined by the central laboratory at screening
• High disease activity at screening, based on; BILAG-2004 (Category A disease in >=1 organ system and/or Category B disease in >=2 organ systems), Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) (score >=8) and Physician's Global Assessment (PGA) (score >=1.0 on a 0 to 3 visual analogue scale [VAS])
• High disease activity on Day 1, based on; SLEDAI-2K (score >=8) and PGA (score >=1.0 on a 0 to 3 VAS)
• Current receipt of >=1 of the following classes of standard therapies for the treatment of SLE at stable doses: oral corticosteroid (OCS), antimalarials, conventional immunosuppressants
• Other inclusion criteria may apply
• The Medical Monitor may be consulted if there are any questions related to eligibility criteria

Exclusion criteria

• Pregnancy or breastfeeding
• Presence of significant lupus-associated renal disease and/or renal impairment
• Receipt of an excluded therapy, including any anti-CD20, anti-CD19 therapy less than 9 months prior to screening or during screening; or cyclophosphamide, tacrolimus, ciclosporin, or voclosporin during the 2 months prior to screening or during screening
• Significant or uncontrolled medical disease which, in the investigator's opinion, would preclude patient participation
• Known active infection of any kind or recent major episode of infection
• Intolerance or contraindication to study therapies
• Other exclusion criteria may apply