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. Author manuscript; available in PMC: 2020 Sep 16.
Published in final edited form as: Eur J Cancer. 2017 Dec 21;90:63–72. doi: 10.1016/j.ejca.2017.10.009

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.