Table 2 Efficacy outcomes and follow-up status

From: Phase 1/2 trial of ixazomib, cyclophosphamide and dexamethasone in patients with previously untreated symptomatic multiple myeloma

 

All patients

Phase 2 dose

 

(N=48)

(N=45)

Overall response rate

77% (95%CI: 63, 88)

78% (95%CI: 63, 89)

≥VGPR Response Rate

35% (95%CI: 22, 50)

38% (95%CI: 24, 53)

sCR

3

3

CR

0

0

VGPR

14

14

PR

20

18

MR

9

8

SD

2

2

Overall Response Rate by FISH

High risk

88% (95%CI: 47, 100)

88% (95%CI: 47, 100)

Standard risk

75% (95%CI: 59, 87)

76% (95%CI: 59, 88)

Median overall survivala

NA

NA

12 Months

100%

100%

Median progression-free survivala

NA (95%CI: 31.3, NA)

NA (95%CI: 31.3, NA)

Median duration of responsea

NA (95%CI: 30.3, NA)

NA (95%CI: 30.3, NA)

Median time to response

1.9 mos (range: 0.9–4.8)

1.9 mos (range: 0.9–4.8)

Patients with progression

11 (22.9%)

11 (24.4%)

Patients alive

46 (95.8%)

43 (95.6%)

Median follow-up (alive patients)

25.6 mos

(range: 12.3–44.6)

25.1 mos

(range: 12.3–40.7)

Last cycle administered

7 (range: 3–46)

7 (range: 3–44)

On treatment

8

7

Reason For ending treatment

Refused further treatment

3 (7.5%)

2 (5.3%)

Adverse event

3 (7.5%)

3 (7.9%)

Disease progression

10 (25.0%)

10 (26.3%)

Alternate treatment

19 (47.5%)

18 (47.4%)

Lack of response

5 (10.4%)

5 (11.1%)

  1. CI confidence interval, mo month, NA not attained
  2. a Kaplan–Meier