Table 2. Results of 31 patients with EGFR mutation(s) and response to tyrosine kinase inhibitor.
Pt. # | Primary tumor | EBUS diagnosed LN | TKI, sequence | Response to TKI | ||
---|---|---|---|---|---|---|
Exon | Mutation | Exon | Mutation | |||
1 | 19 | Deletion (E746_A750del) | 19 | Deletion (E746_A750del) | Gefitinib, 3rd | PR |
2 | 19 | Deletion (L747_S751del) | 19 | Deletion (L747_S751del) | Gefitinib, 2nd | PR |
3 | 19 | Deletion (E746_P753del) | 19 | Deletion (E746_P753del) | None | |
4 | 19 | Deletion (E746_A750del) | 19 | Deletion (E746_A750del) | Gefitinib, 1st | SD |
5 | 19 | Deletion (E746_S752del) | 19 | Deletion (E746_S752del) | Gefitinib, 1st | PR |
6 | 19 | Deletion (E746_A750del) | 19 | Deletion (E746_A750del) | Gefitinib, 1st | PR |
7 | 19 | Deletion (L747_A750del) | 19 | Deletion (L747_A750del) | Erlotinib, 2nd | PR |
8 | 19 | Deletion (L747_T751del) | 19 | Deletion (L747_T751del) | Erlotinib, 2nd | PR |
9 | 19 | Deletion (E746_A750del) | 19 | Deletion (E746_A750del) | None | |
10 | 19 | Deletion (L747_S752del) | 19 | Deletion (L747_S752del) | Erlotinib, 1st | PR |
11 | 19 | Deletion(L747_S751del) | 19 | Deletion (L747_S751del) | Gefitinib, 1st | PR |
18 | G719S | |||||
12 | 19 | Deletion (E746_A750del) | WT | Erlotinib,1st | PR | |
13 | 19 | Deletion (E746_A750del) | WT | Gefitinib, 1st | PR | |
14 | 21 | L858R | 21 | L858R | Gefitinib, 1st | PD |
15 | 21 | L858R | 21 | L858R | Gefitinib, 2nd | PD |
16 | 21 | L858R | 21 | L858R | Gefitinib, 1st | PR |
17 | 21 | L858R | 21 | L858R | Gefitinib, 1st | PR |
18 | 21 | L858R | 21 | L858R | Gefitinib,1st | PR |
19 | 21 | L858R | 21 | L858R | Gefitinib,1st | PR |
20 | 21 | L858R | 21 | L858R | Gefitinib,1st | PR |
21 | 21 | L858R | 21 | L858R | Gefitinib,1st | PR |
22 | 21 | L858R | 21 | L858R | Gefitinib, 2nd | PD |
20 | T790M | |||||
23 | 21 | L858R | 21 | L858R | None | |
20 | S718I | 20 | T790M | |||
24 | 21 | L858R, | 21 | L858R | Erlotinib, 1st | PR |
20 | S784F | |||||
25 | 21 | L858R | WT | Gefitinib, 1st | PD | |
26 | 20 | Insertion (D770_N771ins) | 20 | Insertion (D770_N771ins) | Erlotinib, 3rd | PD |
27 | 20 | Insertion (V770_D771ins) | 20 | Insertion(D770_N771ins) | Gefitinib, 1st | SD |
28 | 20 | Insertion(A763_Y764ins) | None | |||
18 | K714N | 18 | K714N | |||
29 | 18 | Deletion (E709<T910>D) | 18 | Deletion (E709<T910>D) | Gefitinib, 1st | PD |
30 | 19 | L747P | 19 | L747P | Gefitinib, 2nd | PD |
31 | 21 | R776H, | 21 | R776H | None | |
20 | L861Q |
LN; lymph node, WT; wild type, TKI; tyrosine kinase inhibitor, PR; partial response, SD; stable disease, PD; progressive disease