Table 5 Adverse events, treatment discontinuations and deaths (safety population)

From: Carfilzomib–dexamethasone vs bortezomib–dexamethasone in relapsed or refractory multiple myeloma by cytogenetic risk in the phase 3 study ENDEAVOR

Preferred term

High risk

Standard risk

Unknown/missing

 

Kd (n=97)

Vd (n=111)

Kd (n=283)

Vd (n=287)

Kd (n=83)

Vd (n=58)

Treatment duration, median weeks (range)

30.3 (1.0–93.1)

22.0 (1.0–85.0)

40.9 (2.0–108.1)

28.0 (1.0–106.1)

36.9 (1.0–104.0)

21.3 (1.0–70.0)

Grade 3 treatment-emergent AE, n (%)

68 (70.1)

70 (63.1)

209 (73.9)

196 (68.3)

62 (74.7)

39 (67.2)

Patients with at least one treatment-emergent AE leading to study treatment discontinuation, n (%)

18 (18.6)

22 (19.8)

56 (19.8)

62 (21.6)

18 (21.7)

11 (19.0)

Deaths within 30 days of last dose of any study drug, n (%)a

8 (8.2)

5 (4.4)

9 (3.2)

14 (4.8)

5 (6.0)

2 (3.3)

Hematologic grade 3 AEs,b n (%)

 Anemia

14 (14.4)

14 (12.6)

44 (15.5)

23 (8.0)

9 (10.8)

8 (13.8)

 Thrombocytopenia

7 (7.2)

14 (12.6)

23 (8.1)

21 (7.3)

9 (10.8)

8 (13.8)

 Decreased platelet count

2 (2.1)

6 (5.4)

11 (3.9)

16 (5.6)

4 (4.8)

2 (3.4)

 Decreased lymphocyte count

3 (3.1)

2 (1.8)

21 (7.4)

6 (2.1)

2 (2.4)

0

 Lymphopenia

5 (5.2)

1 (0.9)

10 (3.5)

6 (2.1)

5 (6.0)

5 (8.6)

Nonhematologic grade 3 AEs,b n (%)

 Pneumonia

8 (8.2)

10 (9.0)

19 (6.7)

18 (6.3)

5 (6.0)

8 (13.8)

 Fatigue

5 (5.2)

7 (6.3)

18 (6.4)

20 (7.0)

2 (2.4)

5 (8.6)

 Asthenia

4 (4.1)

3 (2.7)

11 (3.9)

8 (2.8)

1 (1.2)

3 (5.2)

 Hypertension

6 (6.2)

4 (3.6)

30 (10.6)

8 (2.8)

5 (6.0)

0

 Diarrhea

4 (4.1)

9 (8.1)

10 (3.5)

23 (8.0)

2 (2.4)

2 (3.4)

 Peripheral neuropathy

1 (1.0)

4 (3.6)

4 (1.4)

20 (7.0)

1 (1.2)

0

 Dyspnea

5 (5.2)

1 (0.9)

16 (5.7)

6 (2.1)

4 (4.8)

3 (5.2)

 Back pain

1 (1.0)

0

4 (1.4)

9 (3.1)

3 (3.6)

3 (5.2)

 Bone pain

1 (1.0)

0

4 (1.4)

4 (1.4)

5 (6.0)

2 (3.4)

 Syncope

0

1 (0.9)

0

8 (2.8)

0

3 (5.2)

  1. Abbreviations: AE, adverse event; Kd, carfilzomib and dexamethasone; Vd, bortezomib and dexamethasone.
  2. aPercentage based on the intention-to-treat population of 97 (Kd) and 113 (Vd) high-risk patients; 284 (Kd) and 291 (Vd) standard-risk patients; and 83 (Kd) and 61 (Vd) unknown/missing cytogenetics patients.
  3. bGrade 3 adverse events reported in 5% of patients in any subgroup.