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Table 4 Overall response based on prior immunotherapy history in patients who received QL1706 at 5 mg/kg every 3 weeks (RP2D)

From: First-in-human phase I/Ib study of QL1706 (PSB205), a bifunctional PD1/CTLA4 dual blocker, in patients with advanced solid tumors

 

All patients (n = 468)

Primary tumor type

NSCLC (n = 121)

NPC (n = 110)

CC (n = 55)

Immunotherapy-naive patients (n = 312)

Immunotherapy-treated patients (n = 156)

Immunotherapy-naive patients (n = 66)

Immunotherapy-treated patients (n = 55)

Immunotherapy-naive patients (n = 62)

Immunotherapy-treated patients (n = 48)

Immunotherapy-naive patients (n = 53)

Immunotherapy-treated patients (n = 2)

CR, n (%)

1 (0.3)

0

0

0

0

0

1 (1.9)

0

PR, n (%)

71 (22.8)

7 (4.5)

16 (24.2)

1 (1.8)

24 (38.7)

3 (6.3)

14 (26.4)

0

SD, n (%)

81 (26.0)

48 (30.8)

15 (20.7)

22 (40.0)

13 (21.0)

14 (29.2)

14 (26.4)

0

PD, n (%)

133 (42.6)

80 (51.3)

32 (48.3)

20 (36.4)

24 (38.7)

28 (58.3)

16 (30.2)

2 (100)

NE, n (%)

2 (0.6)

0

0

0

0

0

1 (1.9)

0

ND, n (%)

24 (7.7)

21 (13.5)

3 (5.2)

12 (21.8)

1 (1.6)

3 (6.3)

7 (13.2)

0

Confirmed ORR, n (%, 95% CI)

72 (23.1, 18.5–28.1)

7 (4.5, 1.8–9.0)

16 (24.2, 14.5–36.4)

1 (1.8, 0.04–9.7)

24 (38.7, 26.6–51.9)

3 (6.3, 1.3–17.2)

15 (28.3, 16.8–42.3)

0

DCR, n (%, 95% CI)

153 (49.0, 43.3–54.7)

55 (35.3, 27.8–43.3)

31 (47.0, 34.6–60.0)

23 (41.8, 28.7–55.9)

37 (59.7, 46.5–71.9)

17 (35.4, 22.2–50.5)

29 (54.7, 40.4–68.4)

0

Number of DoR events (%)

16 (22.2)

4 (57.1)

4 (25.0)

1 (100)

7 (29.2)

2 (66.7)

2 (13.3)

/

DoR, m (95% CI)

 − (8.1, –)

11.7 (4.2, 11.7)

 − (3.5, –)

/

 − (7.7, –)

11.7 (5.9, 11.7)

 − (–, –)

/

  1. NSCLC Non-small-cell lung cancer, NPC Nasopharyngeal carcinoma, CC Cervical cancer, CR Complete response, PR Partial response, SD Stable disease, PD Progressive disease, NE Not evaluated, ND Not determined, ORR Objective response rate, DCR Disease control rate, CI Confidence interval, DoR Duration of response