Table 1 Patient characteristics

From: Blinatumomab after R-CHOP bridging therapy for patients with Richter transformation: a phase 2 multicentre trial

 

Overall cohort Full analysis set (n = 39)

Blinatumomab cohort Blinatumomab efficacy/safety set (n = 25)

Age, years

67 [38–83]

66 [38–83]

Sex, male/female

26/13

16/9

Comorbidities

     Past history of cancer

10 (26%)

4 (16%)

     Median creatinine clearance, mL/min

(Cockroft formula)

78 [34–148]

78 [34–148]

     CIRS > 6

6 (15%)

4 (16%)

        ECOG performance status

              0–1

25 (64%)

16 (64%)

              2

14 (36%)

9 (36%)

CLL features

     Binet stage at diagnosis

      A

21 (54%)

11 (44%)

      B

13 (33%)

11 (44%)

      C

5 (13%)

3 (12%)

 Absolute lymphocytes count (G/L)

2.8 [0.28–453]

2.24 [0.28–109]

   Genomic features

     del(17p)

19/35 (54%)

14/25 (56%)

     TP53 mutation

21/34 (62%)

13/22 (59%)

     del(11q)

5/34 (15%)

3/23 (13%)

     Karyotype

 Simple (<3 abn)

 Complex (3 or 4 abn)

 Highly complex (≥5 abn)

11/32 (34%)

1/32 (3%)

20/32 (63%)

8/23 (35%)

1/23 (4%)

14/23 (61%)

    Unmutated IGHV

23/33 (70%)

16/23 (70%)

Prior therapeutic lines for CLL

     Number

2 [0–11]

1 [0–11]

     None

5 (13%)

2 (8%)

     Chemo-immunotherapy

22 (56%)

16 (64%)

     Ibrutinib

24 (62%)

15 (60%)

     Idelalisib

4 (10%)

3 (12%)

     Venetoclax

13 (33%)

7 (28%)

     Double exposed to ibrutinib and venetoclax

11 (28%)

7 (28%)

     Transplantation (auto-HSCT/allo-HSCT)

2 (8%) (1/2)

2 (8%) (1/2)

Richter transformation features

     Time from CLL diagnosis to RT, years

7 [0–27]

7 [0–26]

     B symptoms

16 (41%)

13 (52%)

     Ann Arbor staging

            I–II

4 (10%)

3 (12%)

            III–IV

35 (90%)

22 (88%)

    IPI

      0–1

2 (5%)

2 (8%)

      2–3

28 (80%)

17 (68%)

      4–5

9 (23%)

6 (24%)

    Histology

      DLBCL, NOS

38 (97%)

24 (96%)

      non-GC

31 (79%)

20 (80%)

      GC

6 (15%)

4 (16%)

      not determined

1 (3%)

0 (0%)

      HGBL, NOS

1 (3%)

1 (4%)

    Clonal relationship

      Related

6 (15.4%)

3 (12%)

      Unrelated

2 (5.1%)

2 (8%)

      Unknown

31 (79.5%)

20 (80%)

  1. Data are presented as n (%), n/N (%), or median [range]. CIRS Cumulative Illness Rating Scale, ECOG Eastern Cooperative Oncology Group, Abn abnormalities, CLL chronic lymphocytic leukaemia, IGHV immunoglobulin heavy-chain variable, HSCT haematopoietic stem-cell transplantation, auto- autologous, allo-, allogeneic, RT Richter transformation, IPI international prognostic index, DLBCL diffuse large B-cell lymphoma, GC germinal center, HGBL high-grade B-cell lymphoma, NOS not otherwise specified.