TABLE 2.
ALK | ALK + EGFR | ALK + TP53 | ||
---|---|---|---|---|
Incidence | 3%–13% a [9, 10] | 0.3–1.3% b [9, 11] | 23.4%–60% b [12, 13] | |
Age | Younger patients | Younger patients | Younger patients | |
Sex | No gender preference | Female | No gender preference | |
Ethnicity | Asian | Asian | Asian | |
Smoking | Never | Never | Are or have been | |
Pathology | LADC | LADC | LADC | |
Stage | advanced stage | advanced stage | advanced stage | |
Response to chemotherapy c | similar with ALK— | similar with ALK+ | poorer than ALK+ | |
Response to ALK‐TKIs d | ORR |
81.6% [14], 73.9% [15], 65% [16], 76.9% [20] |
40% [15], 66.7% [16] |
40% [14], 37.5% [20] |
DCR | 95.9% [14] | — | 73.3% [14] | |
mPFS | Chemotherapy |
7m [22], 8.1m [23], |
— | 2.6m [13, 21] |
ALK‐TKIs |
29.9m [21], 6.9m [15], 11.7m [24], 27.9m [26], 10.4–28.5 [27] 8.8 [28] 10.8 [29] |
1.9m [15], 11.1m [16] 2m [30] |
5.5m [21], 4.2m [24], 8m [25], 3.3m [20], 9.2m [26] 3.7 [28] 7.2 [29] |
|
EGFR‐TKIs | — |
10.3m [16] |
— | |
mOS |
50m [13], 23.7m [15], 34.2m [20], |
18.5m [15] |
15m [13], 21.4m [20] |
Abbreviations: DCR, disease control rate; LADC, lung adenocarcinoma; m, month; mOS, median overall survival; mPFS, median progression‐free survival; ORR, objective response rate.
In all nonsmall cell lung cancer patients.
In ALK fusion mutation nonsmall cell lung cancer patients.
Platinum‐based first‐line chemotherapy regimen.
ALK‐TKI represented by crizotinib.