Table 1.
Before Gefitinib treatments | At Gefitinib treatment failure | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Case No b | Smoking | Staging | Gefitinib response | EGFR mutation type | MET FISH status | MET IHC | EGFR mutation type | MET FISH status | PFS(Months) | OS(Months) |
1 | - | IV | PR | Ex19 deletion | ++ | + | Ex19 deletion | ++ | 7.3 | 15 |
2 | - | IV | PR | Ex19 deletion | + | Not detected | + | 7.6 | 11.9 | |
3 | + | Relapse | PR | Ex19 deletion | + | Ex19 deletion/T790M | + | 18.5 | 34.4 | |
4 | - | Relapse | PR | Ex19 deletion | + | - | 16.6 | 20.9 | ||
5 | + | IIIA | PR | Ex19 deletion | + | 8.5 | 20 | |||
6 | - | Relapse | PR | Ex19 deletion | + | 1.8 | 1.8 | |||
7 | - | IV | PD | L858R | + | L858R | + | 13.6 | 15 | |
8 | + | Relapse | PD | L858R | + | + | 2.7 | 8.8 | ||
9 | - | Relapse | CR | L858R | + | - | 13 | 28.4 | ||
10 | - | Relapse | PR | L858R | + | - | 7.6 | 11.2 | ||
11 | + | IV | PR | L858R | + | 5.7 | 7.3 | |||
12 | + | IV | PR | Ex19 deletion | - | Ex19 deletion | - | 13.9 | 21 | |
13 | + | IV | PR | Ex19 deletion | - | Ex19 deletion | - | 10.4 | 36.4 | |
14 | - | IV | PR | Ex19 deletion | - | Ex19 deletion | - | 24.7 | 31.1 | |
15 | - | Relapse | PR | Ex19 deletion | - | - | Ex19 deletion/T790M | - | 28.4 | 33.8 |
16 | - | Relapse | PR | Ex19 deletion | - | - | 11.1 | 21 | ||
17 | + | Relapse | PR | Ex19 deletion | - | - | 24.4 | 24.4 | ||
18 | - | IIIA | PR | Ex19 deletion | - | 6.5 | 14.9 | |||
19 | - | IIIB | PR | Ex19 deletion | - | 29.8 | 38.2 | |||
20 | + | IIIB | PR | Ex19 deletion | - | 41.5 | 48.6 | |||
21 | - | IV | PR | Ex19 deletion | - | 13.2 | 26.7 | |||
22 | + | IV | PR | Ex19 deletion | - | 17.1 | 17.1 | |||
23 | - | IV | PR | Ex19 deletion | - | 13.3 | 19.2 | |||
24 | - | IV | PR | Ex19 deletion | - | 21.8 | 25.5 | |||
25 | - | IV | PR | Ex19 deletion | - | 15.2 | 31.6 | |||
26 | - | IV | SD | Ex19 deletion | - | 3.4 | 26.8 | |||
27 | + | Relapse | PR | Ex19 deletion | - | 18.7 | 50.2 | |||
28 | + | Relapse | PR | Ex19 deletion | - | 15.9 | 20.2 | |||
29 | - | Relapse | PR | Ex19 deletion | - | 12.1 | 15 | |||
30 | + | Relapse | SD | Ex19 deletion | - | 11.1 | 13.6 | |||
31 | - | Relapse | PR | L858R | - | L858R | - | 58.7 | 123.5 | |
32 | - | IV | PR | L858R | - | - | 4.5 | 4.5 | ||
33 | + | Relapse | PR | L858R | - | 15.5 | 16.7 | |||
34 | + | Relapse | PR | L858R | - | 13.5 | 13.5 | |||
35 | - | Relapse | PR | L858R | - | 7.1 | 7.1 |
MET FISH status; ++Amplification, +High polysomy.
bPatient identifiers have been removed and relabeled.