Table 1 Patient baseline characteristics and disposition

From: Antibody–drug conjugate, GSK2857916, in relapsed/refractory multiple myeloma: an update on safety and efficacy from dose expansion phase I study

Characteristic

n = 35

Age, median (range) years

60 (46–75)

Sex

 Men

17 (49%)

 Women

18 (51%)

Disease stage at diagnosisa

 Stage I

19 (54%)

 Stage II

6 (17%)

 Stage III

4 (11%)

 Unknown

6 (17%)

ECOG PS

 0

10 (29%)

 1

25 (71%)

Myeloma light chain

 Kappa light chain

24 (69%)

 Lambda light chain

11 (31%)

Myeloma immunoglobulin

 IgA

8 (23%)

 IgG

22 (63%)

 IgM

1 (3%)

 Other

4 (11%)

Genetics, n (%)b

 del13

6 (17%)

 del17p13

6 (17%)

 t(11:14)

2 (6%)

 t(4:14)

3 (9%)

 t(14:16)

1 (3%)

 1q21

3 (9%)

 Other

14 (40%)

 Missing

11 (31%)

Prior therapies

 1 line

1 (3%)

 2 lines

2 (6%)

 3 lines

7 (20%)

 4 lines

5 (14%)

 5 lines

6 (17%)

 6 lines

3 (9%)

 7 lines

2 (6%)

 8 lines

3 (9%)

 9 lines

2 (6%)

 10 lines

2 (6%)

 >10 lines

2 (6%)

Proteasome inhibitors

 Received

35 (100%)

 Refractory

34 (97%)

Immunomodulatory drugs

 Received

35 (100%)

 Refractory

33 (94%)

Pomalidomide

 Received

22 (63%)

 Refractory

22 (63%)

Daratumumab

 Received

14 (40%)

 Refractoryc

14 (40%)

Carfilzomib

 Received

29 (83%)

 Refractory

27 (77%)

Patient disposition

Completed study

22 (63%)

Died

4 (11%)

Ongoing on study

8 (23%)

 On treatment

1 (3%)

 In follow-up

7 (20%)

Withdrawn from study

1 (3%)

 Withdrew consent

1 (3%)

 Lost to follow-up

0

Discontinued treatment

34 (97%)

Disease progression

18 (51%)

Completion of treatment

9 (26%)

Adverse event

4 (11%)

Investigator discretion

1 (3%)

Patient decision

2 (6%)

  1. Data are n (%), unless otherwise specified
  2. ECOG PS Eastern Cooperative Oncology Group performance status, Ig immunoglobulin
  3. aAssessed using the International Staging System classification9,26
  4. bMultiple categories per patient possible, resulting in a total that adds to more than 100%; assessed using fluorescence in situ hybridisation
  5. cThirteen (37%) of 35 patients had previous daratumumab treatment and were refractory to both immunomodulatory drugs and proteasome inhibitors