Median age, years (range)
|
61.0 (30–76)
|
61.5 (36–80)
|
61.0 (30–80)
|
Patient age, n (%)
|
≤65 years
|
42 (74)
|
41 (71)
|
83 (72)
|
>65–75 years
|
14 (25)
|
14 (24)
|
28 (24)
|
>75 years
|
1 (2)
|
3 (5)
|
4 (3)
|
Male sex, n (%)
|
41 (72)
|
38 (66)
|
79 (69)
|
Baseline ECOG performance status, n (%)
|
0
|
25 (44)
|
26 (45)
|
51 (44)
|
1
|
31 (54)
|
29 (50)
|
60 (52)
|
2
|
1 (2)
|
3 (5)
|
4 (3)
|
MM subtype at study entry, n (%)
|
IgG
|
29 (51)
|
31 (53)
|
60 (52)
|
IgA
|
11 (19)
|
14 (24)
|
25 (22)
|
Light chain only
|
13 (23)
|
8 (14)
|
21 (18)
|
Other
|
4 (7)
|
5 (9)
|
9 (8)
|
ISS stage at initial diagnosis, n (%)
|
I
|
11 (19)
|
11 (19)
|
22 (19)
|
II
|
17 (30)
|
14 (24)
|
31 (27)
|
III
|
21 (37)
|
21 (36)
|
42 (37)
|
Unknown
|
8 (14)
|
12 (21)
|
20 (17)
|
ISS stage at study entry, n (%)
|
I
|
31 (54)
|
38 (66)
|
69 (60)
|
II
|
21 (37)
|
16 (28)
|
37 (32)
|
III
|
5 (9)
|
4 (7)
|
9 (8)
|
Creatinine clearance, mL/min, n (%)
|
<30
|
0
|
1 (2)
|
1 (<1)
|
30–<60
|
4 (7)
|
8 (14)
|
12 (10)
|
60–<90
|
28 (49)
|
23 (40)
|
51 (44)
|
≥90
|
25 (44)
|
26 (45)
|
51 (44)
|
Median time since initial MM diagnosis, months (range)
|
29.5 (3–143)
|
28.6 (1–141)
|
28.7 (1–143)
|
Lines of prior therapy, n (%)
|
1
|
25 (44)
|
26 (45)
|
51 (44)
|
2
|
20 (35)
|
24 (41)
|
44 (38)
|
3
|
12 (21)
|
8 (14)
|
20 (17)
|
Disease status at study entry, n (%)
|
Relapseda
|
15 (26)
|
13 (22)
|
28 (24)
|
Refractoryb
|
28 (49)
|
33 (57)
|
61 (53)
|
Relapsed and refractoryc
|
14 (25)
|
12 (21)
|
26 (23)
|
Prior therapy exposure, n (%)
|
Prior proteasome inhibitor (all bortezomib)
|
34 (60)
|
36 (62)
|
70 (61)
|
Prior immunomodulatory drug therapy
|
52 (91)
|
47 (81)
|
99 (86)
|
Lenalidomide
|
3 (5)
|
7 (12)
|
10 (9)
|
Thalidomide
|
52 (91)
|
45 (78)
|
97 (84)
|
Thalidomide-refractory
|
37 (65)
|
35 (60)
|
72 (63)
|
Prior corticosteroids
|
57 (100)
|
58 (100)
|
115 (100)
|
Dexamethasone
|
56 (98)
|
57 (98)
|
113 (98)
|
Prednisone
|
17 (30)
|
20 (34)
|
37 (32)
|
Prior melphalan
|
24 (42)
|
24 (41)
|
48 (42)
|
Prior stem cell transplant
|
8 (14)
|
12 (21)
|
20 (17)
|