Table 3.
Grade 3–4 adverse events experienced by greater than 1% of participants in either the ganitumab + metformin or control arm.
| Adverse event | Ganitumab n = 106 | Control N = 128 |
|---|---|---|
| Neutrophil count decreased | 20 (18.9%) | 13 (10.2%) |
| Febrile neutropenia | 14 (13.2%) | 9 (7.0%) |
| Hyperglycemia | 9 (8.5%) | 1 (0.8%) |
| Anemia | 8 (7.5%) | 8 (6.3%) |
| Vomiting | 7 (6.6%) | 0 (0.0%) |
| Hypertension | 4 (3.8%) | 4 (3.1%) |
| Alanine aminotransferase increased | 4 (3.8%) | 3 (2.3%) |
| Diarrhea | 4 (3.8%) | 3 (2.3%) |
| Bone pain | 3 (2.8%) | 3 (2.3%) |
| Lymphocyte count decreased | 3 (2.8%) | 3 (2.3%) |
| Syncope | 3 (2.8%) | 2 (1.6%) |
| Urinary tract infection | 3 (2.8%) | 0 (0.0%) |
| Stomatitis | 2 (1.9%) | 3 (2.3%) |
| Neutropenia | 2 (1.9%) | 2 (1.6%) |
| Back pain | 2 (1.9%) | 1 (0.8%) |
| Dehydration | 2 (1.9%) | 1 (0.8%) |
| Pneumonitis | 2 (1.9%) | 1 (0.8%) |
| Sepsis | 2 (1.9%) | 1 (0.8%) |
| Anaphylactic reaction | 2 (1.9%) | 0 (0.0%) |
| Dyspnea | 2 (1.9%) | 0 (0.0%) |
| Nausea | 2 (1.9%) | 0 (0.0%) |
| Pulmonary embolism | 2 (1.9%) | 0 (0.0%) |
| Hypokalemia | 1 (0.9%) | 4 (3.1%) |
| Hyponatremia | 1 (0.9%) | 2 (1.6%) |
| Premature menopause | 1 (0.9%) | 2 (1.6%) |
| Peripheral sensory neuropathy | 0 (0.0%) | 2 (1.6%) |
| Dose reductions, n (%) | 10 (9.4%) | 11 (8.9%) |
| Early discontinuation, n (%) | ||
| All reasons | 32 (30.2%) | 31 (24.2%) |
| Toxicity | 29 (18.9%) | 9 (7.0%) |
| Progression | 8 (7.5%) | 10 (7.8%) |
| Other | 4 (3.8%) | 12 (9.4%) |
| Median time to surgery, days (range) | 168 (64–313) | 165 (100–289) |