1. Diagnosis of Systemic Lupus Erythematosus (SLE) and LN, as described in the protocol
2. Participant must have refractory or relapsed disease, as described in the protocol
You may not be if
1. History of or active severe or unstable lupus-associated neuropsychiatric disease that is likely to require acute or emergent medical treatment or hospitalization
2. Active overlap syndrome with mixed connective tissue disease or systemic sclerosis within 12 months prior to screening or during screening
3. Catastrophic or severe antiphospholipid syndrome within 12 months prior to screening or during screening
Clareo Health | Dose Escalation Study With Bispecific Antibodies in Adult Participants With Lupus Nephritis