Table 1 Baseline patient characteristics

From: Tislelizumab plus zanubrutinib for Richter transformation: the phase 2 RT1 trial

Patient characteristics

 

All patients

48

Age (years)

48

 Median

67

 IQR

60–74

 Range

45–82

Sex, n (%)

48

 Female

19 (39.6)

 Male

29 (60.4)

Time between CLL diagnosis and study registration (months)

48

 Median

79

 IQR

49–136

Time between RT diagnosis and study registration (months)

48

 Median

0.7

 IQR

0.43–1.04

Number of previous CLL-directed therapies

36

 Median

3

 Range

1–6

Patients with previous CLL-directed therapies, n (%)

36

 Chemo(immuno)therapy

25 (69.4)

 SCT

3 (8.3)

 BTK/BCL-2 inhibitors

32 (88.9)

 BTK inhibitor

24 (66.7)

 BCL-2 inhibitor

22 (61.1)

 BTK + BCL-2 inhibitor

2 (5.6)

 Other

9 (25.0)

Binet stage, n (%)

48

 A

22 (45.8)

 B

8 (16.7)

 C

18 (37.5)

Severe constitutional symptoms, n (%)

48

 No

28 (58.3)

 Yes

20 (41.7)

ECOG performance status, n (%)

48

 0

26 (54.2)

 1

15 (31.3)

 2

6 (12.5)

 3

1 (2.1)

CIRS total score

48

 Median

4

 IQR

2–7

CIRS total score, n (%)

48

 ≤6

34 (70.8)

 >6

14 (29.2)

LDH (Ul−1)

48

 Median

335

 IQR

209–584

 Patients with LDH > 250 U l−1, n (%)

31 (64.6)

Cytogenetic subgroups hierarchical order (according to Döhner et al.46), n (%)

46

 Deletion 17p

10 (21.7)

 Deletion 11q

4 (8.7)

 Trisomy 12

5 (10.9)

 No abnormalities

19 (41.3)

 Deletion 13q

8 (17.4)

 Missing

2 (4.2)

TP53 mutation status, n (%)

45

 Unmutated

32 (71.1)

 Mutated

13 (28.9)

 Missing

3 (6.3)

TP53 status, n (%)

46

 None

30 (65.2)

 Deleted and/or mutated

16 (34.8)

 Missing

2 (4.2)

IGHV mutation status, n (%)

41

 Unmutated

29 (70.7)

 Mutated

12 (29.3)

 Missing

7 (14.6)

Serum thymidine kinase (Ul−1)

47

 Median

40.1

 IQR

18.5–108.3

Serum β2-microglobulin (mgl−1)

47

 Median

3.8

 IQR

2.5–5.5

Complex karyotype, n (%)

38

 <3 aberrations

22 (57.9)

 ≥3 aberrations

16 (42.1)

 Missing

10 (20.8)

CLL-IPI risk group, n (%)

39

 Low

3 (7.7)

 Intermediate

11 (28.2)

 High

10 (25.6)

 Very high

15 (38.5)

 Missing

9 (18.8)

RT features, n (%)

48

 Previously untreated RT

38 (79.2)

 Previously treated with RT-directed therapy

10 (20.8)

 HL

2 (4.2)

 DLBCL

46 (95.8)

 Non-GCB

14 (29.2)

 GCB

1 (2.1)

 Unknown

33 (68.8)

 Clonally unrelated

0 (0.0)

 Clonally related

26 (54.2)

 Unknown

22 (45.8)

Ki-67 (%)

31

 Median

70

 IQR

50–80

  1. Cytogenetics, TP53 and IGHV status and complex karyotype status were derived from peripheral blood and thus represent the CLL fraction.