40 / 49
Events/N Median PFS (95%CI)
12m PFS (95%CI)
All
57/109
13.8 m (10.3-21.3)
56.7% (46.0-66.0)
T790M+ 15/37
16.0 m (13.1-NE)
72.4% (53.4-84.7)
T790M- 42/72
10.5 m (9.2-16.2)
49.4% (36.6-61.0)
ETOP 2-11 BELIEF: PFS by T790M mutation (N=109)
Stahel RA. ESMO 2015