US Zamto-cel Autoimmune Diseases

General Key Inclusion/Exclusion Criteria Across All Cohorts Inclusion Criteria: •Confirmed diagnosis of autoimmune disease (SLE-Non-renal, SLE-LN, SSc/ dcSSc) Exclusion Criteria: * Prior gene therapy treatment * Active malignancy within past 5 years * Significant active fungal or bacterial infection * History or presence of CNS lupus or other CNS disease * eGFR \< 45 mL/min/1.73 m\^2 * Total bilirubin outside the normal range (unless congenital hyperbilirubinemia such as Gilbert syndrome has been confirmed). Systemic Lupus Erythematosus-Non-renal Key Inclusion/Exclusion Criteria Inclusion Criteria: * Positive for at least 1 of the following autoantibodies at Screening: anti- double stranded DNA or anti-Smith * Systemic Lupus Erythematosus Disease Activity Index-2000 score ≥ 8 AND at least 1 British Isles Lupus Assessment Group (BILAG)-2004 Class A (severe manifestation) organ scores * Inadequate response to glucocorticoids and to at least 2 of the following treatments, used for at least 3 months each: cyclophosphamide, mycophenolic acid or its derivatives, belimumab, azathioprine, anifrolumab, methotrexate, rituximab, or obinutuzumab Exclusion Criteria: * Subjects with neuropsychiatric SLE. * Drug-induced SLE. Systemic Lupus Erythematosus - Lupus Nephritis Key Inclusion/Exclusion Criteria Inclusion Criteria: * Positive for at least 1 of the following autoantibodies at Screening: anti- double stranded DNA or anti-Smith * Confirmed LN diagnosis by kidney biopsy duri…