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Table 4 Activity and efficacy according to KRAS genotype (intent-to-treat analysis)

From: Worse prognosis of KRASc.35 G > A mutant metastatic colorectal cancer (MCRC) patients treated with intensive triplet chemotherapy plus bevacizumab (FIr-B/FOx)

 

ORR (%)

PFS (m)

range

OS (m)

range

KRAS wild-type plus other than c.35 G>A KRAS mutant (44 pts)

81 (CI ± 12)

13

34

  

1+-69+

1+-69+

KRAS wild-type (30 pts)

90 (CI ± 11)

14

38

  

1+-69+

1+-69+

KRAS wild-type/BRAF wild-type (18 pts)

83 (CI ± 14)

13

31

  

4-44

8-66+

other than c.35 G>A KRAS mutant (13 pts)

61 (CI ± 30)

12

39

  

3-37

8-59+

c.35 G>A KRAS mutant (14 pts)

71 (CI ± 26)

9

14

  

1+-60+

1+-60+

c.35 G>T KRAS mutant (7 pts)

57 (CI ± 40)

12

21

  

3-25

11-46+

  1. m, months; ORR, objective response rate; OS, overall survival; PFS, progression-free survival.