| Q3W (mg/kg) | Q2W (mg/kg) | QW × 2 (mg/kg) | QW × 4 (mg/kg) | Total | |||||
---|---|---|---|---|---|---|---|---|---|---|
Cohort 1 0.1 (n = 5) | Cohort 2 0.5 (n = 5) | Cohort 3 2.5 (n = 3) | Cohort 4 10 (n = 6) | Cohort 5 20 (n = 9) | Cohort 6 10 (n = 4) | Cohort 7 20 (n = 18) | Cohort 8 20 (n = 3) | Cohort 9 20 (n = 5) | N = 58 | |
Any-grade treatment-related AEa | 5 (100) | 4 (80) | 3 (100) | 5 (83) | 5 (56) | 4 (100) | 15 (83) | 3 (100) | 4 (80) | 48 (83) |
 Fatigue | 0 | 1 (20) | 0 | 1 (17) | 1 (11) | 1 (25) | 7 (39) | 1 (33) | 0 | 12 (21) |
 Decreased appetite | 2 (40) | 1 (20) | 2 (67) | 1 (17) | 0 | 0 | 3 (17) | 0 | 0 | 9 (16) |
 Nausea | 1 (20) | 2 (40) | 0 | 1 (17) | 1 (11) | 1 (25) | 2 (11) | 1 (33) | 0 | 9 (16) |
 Vomiting | 2 (40) | 1 (20) | 0 | 0 | 0 | 1 (25) | 3 (17) | 1 (33) | 0 | 8 (14) |
 Anemia | 0 | 1 (20) | 0 | 0 | 1 (11) | 0 | 3 (17) | 0 | 2 (40) | 7 (12) |
 Arthralgia | 0 | 0 | 0 | 0 | 1 (11) | 0 | 3 (17) | 1 (33) | 2 (40) | 7 (12) |
 Pyrexia | 1 (20) | 1 (20) | 0 | 1 (17) | 0 | 1 (25) | 2 (11) | 0 | 1 (20) | 7 (12) |
 Asthenia | 0 | 1 (20) | 0 | 0 | 1 (11) | 0 | 4 (22) | 0 | 0 | 6 (10) |
 Pruritus | 1 (20) | 0 | 1 (33) | 0 | 1 (11) | 0 | 3 (17) | 0 | 0 | 6 (10) |
Grade ≥ 3 treatment-related AEsa | 0 | 3 (60) | 0 | 0 | 2 (22) | 0 | 6 (33) | 0 | 1 (20) | 12 (20) |
 Anemia | 0 | 1 (20) | 0 | 0 | 1 (11) | 0 | 1 (6) | 0 | 1 (20) | 4 (7) |
 Fatigue | 0 | 1 (20) | 0 | 0 | 1 (11) | 0 | 0 | 0 | 0 | 2 (3) |
 Aspartate aminotransferase increased | 0 | 1 (20) | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 2 (3) |
 Asthenia | 0 | 0 | 0 | 0 | 1 (11) | 0 | 0 | 0 | 0 | 1 (2) |
 Abdominal pain | 0 | 0 | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 1 (2) |
 Diarrhea | 0 | 0 | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 1 (2) |
 Autoimmune hepatitis | 0 | 1 (20) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (2) |
 Urinary tract infection | 0 | 0 | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 1 (2) |
 Alanine aminotransferase increased | 0 | 1 (20) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (2) |
 Blood alkaline phosphatase increased | 0 | 1 (20) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (2) |
 Blood creatine phosphokinase increased | 0 | 0 | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 1 (2) |
 Lipase increased | 0 | 0 | 0 | 0 | 1 (11) | 0 | 0 | 0 | 0 | 1 (2) |
 Dehydration | 0 | 0 | 0 | 0 | 1 (11) | 0 | 0 | 0 | 0 | 1 (2) |
 Hypercalcemia | 0 | 0 | 0 | 0 | 1 (11) | 0 | 0 | 0 | 0 | 1 (2) |
 Hyperkalemia | 0 | 0 | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 1 (2) |
 Arthralgia | 0 | 0 | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 1 (2) |
 Myositis | 0 | 0 | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 1 (2) |
 Myasthenia gravis | 0 | 0 | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 1 (2) |
 Hypertension | 0 | 0 | 0 | 0 | 0 | 0 | 1 (6) | 0 | 0 | 1 (2) |