Cross reference NCT04013685
This study will compare the safety and efficacy between patients receiving an engineered donor graft (Orca-T, a T-cell-Depleted Graft With Additional Infusion of Conventional T Cells and Regulatory T Cells) or standard-of-care (SOC) control in participants undergoing myeloablative allogeneic hematopoietic cell transplant transplantation (MA-alloHCT) for hematologic malignancies. This posting represents the Phase III component of Precision-T. The Precision-T Ph1b component is described under NCT04013685.