Table 1.
Critical trials of bevacizumab for metastatic colorectal cancer
| Basic chemotherapy | Clinic trial (references) | Bevacizumab schedule | Median PFS | Median OS |
|---|---|---|---|---|
| Irinotecan | ||||
| IFL | AVF21073 | 5 mg/kg IV, every 2 weeks | 10.6 vs 6.2 months, P < 0.001 | 20.3 vs 15.6 months, P < 0.001 |
| FOLFIRI or mIFL | BICC-C24,25,a | FOLFIRI+Bev: 5 mg/kg IV, every 2 weeks; mIFL+Bev: 7.5 mg/kg IV, every 3 weeks | 7.6 vs 5.9 months | 23.1 vs 17.6 months (without Bev); 28.0 vs 19.2 months (with Bev) |
| Oxaliplatin | ||||
| FOLFOX or XELOX | NO1696626,b | 7.5 mg/kg IV, every 3 weeks | 9.4 vs 8.0 months, P = 0.0023 | 21.3 vs 19.9 months; P = 0.077 |
| FOLFOX4 | E320027 | 10 mg/kg IV, every 14 days | 7.2 vs 4.8 months; P < 0.0001 | 12.5 vs 10.7 months; P = 0.0024 |
| FOLFOX or bFOL or CAPOX | TREE-1 and TREE-2 (with Bev)15,b | FOLFOX and bFOL: 5 mg/kg IV, every 2 weeks; CapeOx: 7.5 mg/kg IV, every 3 weeks | 8.7, 6.9, and 5.9 vs 9.9, 8.3, and 10.3 months | 19.2, 17.9, and 17.2 vs 26.1, 20.4, and 24.6 months |
| 5-FU | ||||
| 5-FU/LV | AVF0780, AVF2107 and AVF219228,29,d | 5 mg/kg IV, every 2 weeks | 8.8 vs 5.6 months, P ≤ 0.001 | 17.9 vs 14.6 months, P = 0.008 |
Notes:
Primary aim was to compare FOLFIRI with mIFL;
The “on treatment” PFS benefit is larger;
They are two independent trials, without comparison directly;
It’s a combined analysis of the three trials.
Abbreviations: IV, intravenous; Bev, bevacizumab; mIFL, modified IFL.