Table 3 Tumor response assessed by Response Evaluation Criteria in Solid Tumors (version 1.1)

From: First-line camrelizumab (a PD-1 inhibitor) plus apatinib (an VEGFR-2 inhibitor) and chemotherapy for advanced gastric cancer (SPACE): a phase 1 study

 

Full analysis set (n = 34)

PD -L1 CPS < 1 (n = 17)

PD -L1 CPS ≥ 1 (n = 12)

PD -L1 CPS < 5 (n = 22)

PD -L1 CPS ≥ 5 (n = 7)

Partial response, n (%)

26 (76.5)

12 (70.6)

11 (91.7)

16 (72.7)

7 (100.0)

Stable disease, n (%)

5 (14.7)

2 (11.8)

1 (8.3)

3 (13.6)

0

Progressive disease, n (%)

2 (5.9)

2 (11.8)

0

2 (9.1)

0

Not evaluable, n (%)

1 (2.9)

1 (5.9)

0

1 (4.5)

0

Confirmed objective response rate, % (95% CI)

76.5 (58.8–89.3)

70.6 (44.0–89.7)

91.7 (61.5–99.8)

72.7 (49.8–89.3)

100.0 (59.0–100.0)

  1. CPS combined positive score