Common grade 3 or higher adverse events (≥20%)
| Low-dose group | Medium-dose group | High-dose group | Total | |
| N=4 | N=13 | N=14 | (n=31) | |
| Hematologic | ||||
| Leukopenia | 4 (100) | 11 (84.6) | 14 (100) | 29 (93.5) |
| Lymphopenia | 4 (100) | 12 (92.3) | 14 (100) | 30 (96.8) |
| Neutropenia | 4 (100) | 11 (84.6) | 13 (92.9) | 28 (90.3) |
| Thrombocytopenia | 4 (100) | 4 (30.8) | 4 (28.6) | 12 (38.7) |
| Anemia | 3 (75.0) | 6 (46.2) | 6 (42.9) | 15 (48.4) |
| Others | ||||
| Pneumonia | 0 (0.0) | 3 (23.1) | 4 (28.6) | 7 (22.6) |