In the NCT02589496 study of 55 patients with gastric cancer whose PD-L1 CPS positivity was available (61 gastric cancer patients in total), 28 PD-L1 CPS ≥ 1 patients had an ORR of 50%, while 27 PD-L1 CPS ≤ 1 patients had an ORR of 0% [78]. This evidence concerns the gene CD274 and gastric cancer.