A Study to Compare the Efficacy and Safety of BMS-986353 (Zolacabtagene- Autoleucel / Zola-cel), CD19-CAR T Cells, Versus Standard of Care in Participants With Active Systemic Sclerosis

Participants must not have a requirement for supplemental oxygen therapy and/or Diffusing Capacity of the Lungs for Carbon Monoxide (DLCO) ≤ 40% (Hemoglobin (Hgb) corrected) at screening.

Participants must not have moderate to severe Pulmonary Arterial Hypertension (PAH) requiring PAH-specific combination treatment

Participants must not have pulmonary comorbidity including chronic obstructive pulmonary disease or asthma requiring daily oral corticosteroids, cigarette smoking (including e-cigarettes) within 3 months before screening or unwilling to avoid smoking throughout the study, and/or clinically significant abnormalities on HRCT not attributable to SSc assessed by the central reader at screening.

Participants must not have gastrointestinal (GI) dysmotility requiring Total Parenteral Nutrition (TPN).