Baseline patient and disease characteristics in patients receiving BCMA–directed CAR T-cell therapy
| Baseline characteristics . | BCMA–directed CAR T-cell therapy (N = 99) . | 
|---|---|
| Demographics and disease characteristics | |
| Age, median (range) | 63 (34-78) | 
| Male sex, n (%) | 62 (63) | 
| Multiple myeloma type | |
| IgG, n (%) | 55 (56) | 
| IgA, n (%) | 17 (17) | 
| Light chain, n (%) | 25 (25) | 
| Nonsecretory, n (%) | 2 (2) | 
| Year from diagnosis to BCMA therapy, median (range) | 5 (1-15) | 
| Previous lines of therapy, median (range) | 6 (1-12) | 
| Previous autologous stem cell transplant, n (%) | 67 (68) | 
| Acute immune effector cell toxicity | |
| CRS diagnosis, n (%) | 85 (86) | 
| CRS grade, n (%) | |
| Grade 1 | 47 (55) | 
| Grade 2 | 33 (39) | 
| Grade 3 | 5 (6) | 
| Grade 4 | 0 (0) | 
| ICANS diagnosis, n (%) | 15 (15) | 
| ICANS grade, n (%) | |
| Grade 1 | 4 (27) | 
| Grade 2 | 8 (53) | 
| Grade 3 | 2 (13) | 
| Grade 4 | 1 (7) | 
| Tocilizumab administration, n (%) | 55 (56) | 
| Median doses tocilizumab, range | 1 (1-4) | 
| Median days to first tocilizumab dose, range | 3 (0-20) | 
| Low-dose corticosteroid use, n (%) (≥10 mg/d dexamethasone) | 33 (33) | 
| High-dose corticosteroid use, n (%) (≥500 mg/d methylprednisolone) | 5 (5) | 
| BCMA CAR T-cell outcomes, n (%) | |
| Disease relapse | 52 (53) | 
| Death | 20 (20) | 
| Baseline characteristics . | BCMA–directed CAR T-cell therapy (N = 99) . | 
|---|---|
| Demographics and disease characteristics | |
| Age, median (range) | 63 (34-78) | 
| Male sex, n (%) | 62 (63) | 
| Multiple myeloma type | |
| IgG, n (%) | 55 (56) | 
| IgA, n (%) | 17 (17) | 
| Light chain, n (%) | 25 (25) | 
| Nonsecretory, n (%) | 2 (2) | 
| Year from diagnosis to BCMA therapy, median (range) | 5 (1-15) | 
| Previous lines of therapy, median (range) | 6 (1-12) | 
| Previous autologous stem cell transplant, n (%) | 67 (68) | 
| Acute immune effector cell toxicity | |
| CRS diagnosis, n (%) | 85 (86) | 
| CRS grade, n (%) | |
| Grade 1 | 47 (55) | 
| Grade 2 | 33 (39) | 
| Grade 3 | 5 (6) | 
| Grade 4 | 0 (0) | 
| ICANS diagnosis, n (%) | 15 (15) | 
| ICANS grade, n (%) | |
| Grade 1 | 4 (27) | 
| Grade 2 | 8 (53) | 
| Grade 3 | 2 (13) | 
| Grade 4 | 1 (7) | 
| Tocilizumab administration, n (%) | 55 (56) | 
| Median doses tocilizumab, range | 1 (1-4) | 
| Median days to first tocilizumab dose, range | 3 (0-20) | 
| Low-dose corticosteroid use, n (%) (≥10 mg/d dexamethasone) | 33 (33) | 
| High-dose corticosteroid use, n (%) (≥500 mg/d methylprednisolone) | 5 (5) | 
| BCMA CAR T-cell outcomes, n (%) | |
| Disease relapse | 52 (53) | 
| Death | 20 (20) |