Table 1.
Patient | Age, Years | Sex | Malignancy | Prior lines of treatment | Conditioning regimen | CAR T-cell dose | In tandem with ASCT | CRS grade | CRS treatment | Time-to neutrophil recovery† | Time-to endogenous B-cell recovery† |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | 45 | Male | MCL | 7 | BEAM | CAR19 T cells 3×106/kg; CAR22 T cells 3×106/kg | Yes | 2 | Dexamethasone 10 mg per day for 3 days | 14 days | 3 months |
2 | 29 | Female | ALL | 3 | FC | CAR19 T cells 4×106/kg; CAR22 T cells 4×106/kg | No | 1 | Supportive | 7 days | 3 months |
3 | 60 | Male | DLBCL | 4 | BEAM | CAR19 T cells 4.5×106/kg; CAR22 T cells 5.6×106/kg | Yes | 1 | Supportive | 20 days | 10 months |
4 | 23 | Male | DLBCL | 3 | BEAM | CAR19 T cells 4.6×106/kg; CAR22 T cells 4.1×106/kg | Yes | 1 | Supportive | 9 days | 13 months |
5 | 63 | Female | FL | 3 | FC | CAR19 T cells 2×106/kg; CAR22 T cells 2.7×106/kg | No | 1 | Supportive | 10 days | N/A* |
†Time calculated since CAR T-cell infusion. * B cells remained significantly depleted at the last follow-up at 12 months post CAR T-cell therapy.
MCL: mantle cell lymphoma; ALL: acute lymphocytic leukemia; DLBCL: diffuse large B-cell lymphoma; FL: follicular lymphoma; BEAM: bis-carmusitine, etoposide, cytarabine and melphalan; FC: fludarabine and cyclophosphamide; CAR: chimeric antigen receptor; CAR19: CD19-targeted chimeric antigen receptor; CAR22: CD22-targeted chimeric antigen receptor; ASCT: autologous stem cell transplantation; CRS: cytokine release syndrome; N/A: not applicable