| Toxicity | Number of patients | |||
| grade (CTCAE) | 1 | 2 | 3 | ≥4 |
| Skin disorder | ||||
| Rash | 12 (32.4%) | 14 (37.8%) | 0 | 0 |
| Acne-like rash | 2 (5.4%) | 5 (13.5%) | 0 | 0 |
| Dryness | 6 (16.2%) | 4 (10.8%) | 0 | - |
| Pruritus | 4 (10.8%) | 4 (10.8%) | 0 | - |
| Paronychia | 2 (5.4%) | 2 (5.4%) | 0 | 0 |
| Pyoderma | 0 | 2 (5.4%) | 0 | 0 |
| Stomatitis | 9 (24.3%) | 3 (8.1%) | 1 (2.7%) | 0 |
| Diarrhea | 7 (18.9%) | 1 (2.7%) | 1 (2.7%) | 0 |
| Anorexia | 1 (2.7%) | 1 (2.7%) | 1 (2.7%) | 1 (2.7%) |
| Fever | 4 (10.8%) | 0 | 0 | 0 |
| Pneumonitis | 2 (5.4%) | 0 | 0 | 1 (2.7%) |
| Nausea | 3 (8.1%) | 0 | 0 | 0 |
| Pharyngitis | 3 (8.1%) | 0 | 0 | 0 |
| Liver injury | 3 (8.1%) | 0 | 0 | 0 |
| Fatigue | 0 | 1 (2.7%) | 1 (2.7%) | 0 |
| Conjunctivitis | 2 (5.4%) | 0 | - | - |