A Phase 2, Multicenter, Open-Label Study of CC-97540 (BMS-986353), CD19-Targeted NEX-T CAR T Cells, in Participants With Active SLE (Including Lupus Nephritis) With Inadequate Response to Glucocorticoids and at Least 2 Immunosuppressants (Breakfree-SLE)

Inclusion Criteria: * Participants must meet EULAR/ACR 2019 criteria for SLE. * Participants must have an inadequate response to appropriate doses of glucocorticoids and ≥ 2 immunosuppressant therapies, used for at least 3 months. * Participants must have active disease when signing ICF. Exclusion Criteria: * Participants must not have other diseases, conditions, or treatments that may confound interpretation of the effects of CC-97540 in SLE. * Uncontrolled or clinically significant cardiovascular conditions or CNS pathology participants must not have prior history of malignancies or lymph…