| C.I. 95% | OR | Arm 2 WBRT only N = 25 | Arm1 irinotecan and WBRT N = 25 | Variables (level of response) |
| 0.587 - 7.211 | 2.057 | 0 | 2 (8%) | Complete response (CR) |
| 7 (28%) | 10 (40%) | Partial response (PR) | ||
| 7 (28%) | 12 (48%) | Objective response (CR + PR) | ||
| 12 (48%) | 10 (40%) | Stable disease (SD) | ||
| 6 (24%) | 3 (12%) | Progressive disease (PD) | ||
| 6.689 | x2 | |||
| 0.048 (S) | p-value | |||