Table 3.
OS and PFS in RECOURSE by KRAS status overall and in geographical subregions (ITT population).
| ITT | USA |
EU |
Japan |
Overall |
||||
|---|---|---|---|---|---|---|---|---|
| FTD/TPI | Placebo | FTD/TPI | Placebo | FTD/TPI | Placebo | FTD/TPI | Placebo | |
| Wild-type KRAS, n | 35 | 17 | 123 | 68 | 94 | 40 | 262 | 131 |
| Median OS, months | 6.7 | 4.3 | 8.8 | 5.5 | 9.0 | 6.8 | 8.0 | 5.7 |
| OS HR (95% CI) | 0.44 (0.22–0.87) | 0.56 (0.38–0.81) | 0.65 (0.44–0.96) | 0.58 (0.45–0.74) | ||||
| P value | 0.0152 | 0.0019 | 0.0309 | <0.0001 | ||||
| Median PFS, months | 2.8 | 1.7 | 2.0 | 1.7 | 2.1 | 1.8 | 2.1 | 1.7 |
| PFS HR (95% CI) | 0.51 (0.26–1.02) | 0.40 (0.28–0.56) | 0.58 (0.39–0.84) | 0.48 (0.38–0.60) | ||||
| P value | 0.0533 | <0.0001 | 0.0041 | 0.0001 | ||||
| Mutant KRAS, n | 29 | 18 | 148 | 64 | 84 | 48 | 272 | 135 |
| Median OS, months | 6.3 | 4.2 | 6.0 | 4.7 | 7.1 | 6.2 | 6.5 | 4.9 |
| OS HR (95% CI) | 0.77 (0.35–1.70) | 0.68 (0.48–0.97) | 0.87 (0.59–1.28) | 0.80 (0.63–1.02) | ||||
| P value | 0.5209 | 0.0345 | 0.4730 | 0.0712 | ||||
| Median PFS, months | 3.1 | 1.7 | 1.9 | 1.8 | 1.9 | 1.8 | 1.9 | 1.8 |
| PFS HR (95% CI) | 0.35 (0.17–0.70) | 0.43 (0.31–0.59) | 0.58 (0.40–0.84) | 0.49 (0.39–0.61) | ||||
| P value | 0.0021 | <0.0001 | 0.0037 | <0.0001 | ||||
Abbreviations: FTD/TPI, trifluridine/tipiracil; HR, hazard ratio; ITT, intention-to-treat; OS, overall survival; PFS, progression-free survival.