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Table 2 Efficacy of geptanolimab

From: Efficacy and safety of geptanolimab (GB226) for relapsed or refractory peripheral T cell lymphoma: an open-label phase 2 study (Gxplore-002)

Endpoint

Full analysis set

All patients enrolled

Investigator assessed (n = 89)

IRRC assessed (n = 89)

Investigator assessed (n = 102)

IRRC assessed (n = 102)

ORR

 No. of patients

34

36

37

39

 % of patients (95% CI)

38.2 (28.1 to 49.1)

40.4 (30.2 to 51.4)

36.3 (27.0 to 46.4)

38.2 (28.8 to 48.4)

DCR

 No. of patients

49

53

54

57

 % of patients (95% CI)

55.1 (44.1 to 65.6)

59.6 (48.6 to 69.8)

52.9 (42.8 to 62.9)

55.9 (45.7 to 65.7)

Objective response, n (%)

 CR

8 (9.0)

13 (14.6)

8 (7.8)

14 (13.7)

 PR

26 (29.2)

23 (25.8)

29 (28.4)

25 (24.5)

 SD

15 (16.9)

17 (19.1)

17 (16.7)

18 (17.6)

 PD

32 (36.0) #

28 (31.5)

37 (36.3)&

34 (33.3)

 Not reported§

8 (9.0)

8 (9.0)

11 (10.8)

11 (10.8)

Median DOR, months

 Median (95% CI)

4.0 (1.5 to NR)

11.4 (4.8 to NR)

4.2 (1.5 to NR)

7.4 (5.1 to NR)

 % of patients ≥ 6 months (95% CI)

46.9 (29.1 to 62.8)

60.5 (41.8 to 74.8)

48.6 (31.4 to 63.7)

60.9 (43.0 to 74.7)

 % of patients ≥ 12 months (95% CI)

46.9 (29.1 to 62.8)

48.5 (29.6 to 65.0)

40.8 (23.9 to 57.0)

43.8 (26.3 to 60.0)

  1. ORR, objective response rate; DCR, disease control rate; CR, complete response; PR, partial response; SD, stable disease; PD, progressive disease; IRRC, independent radiological review committee; DOR, duration of response; CI, confidence interval; NR, not reached
  2. #21 patients had confirmed progressive disease; 11 patients with a first progressive disease and still under treatment
  3. &23 patients had confirmed progressive disease; 14 patients with a first progressive disease and still under treatment
  4. §Patients did not have post-baseline efficacy evaluation due to early termination or protocol violation