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Table 2 All-grade AEs (occurring in ≥20 %) or grade 3–4 AEsa (occurring in >3 %) in phase 2a

From: Phase 1b/2a study of trastuzumab emtansine (T-DM1), paclitaxel, and pertuzumab in HER2-positive metastatic breast cancer

Adverse event, n (%)

Grades 1 and 2

Grade 3

Grade 4

 

Group A (n = 22)

Group B (n = 22)

Group A (n = 22)

Group B (n = 22)

Group A (n = 22)

Group B (n = 22)

Total (N = 44)

Peripheral neuropathy

18 (81.8)

14 (63.6)

2 (9.1)

6 (27.3)

40 (90.9)

Fatigue

13 (59.1)

16 (72.7)

3 (13.6)

3 (13.6)

35 (79.5)

Nausea

9 (40.9)

9 (40.9)

1 (4.5)

1 (4.5)

20 (45.5)

Dry eye

6 (27.3)

11 (50.0)

1 (4.5)

18 (40.9)

Alopecia

6 (27.3)

11 (50.0)

17 (38.6)

Arthralgia

9 (40.9)

7 (31.8)

16 (36.4)

Epistaxis

5 (22.7)

11 (50.0)

16 (36.4)

Diarrhea

4 (18.2)

10 (45.5)

1 (4.5)

15 (34.1)

Thrombocytopenia

3 (13.6)

3 (13.6)

3 (14.6)

2 (9.1)

2 (9.1)

13 (29.5)

Decreased appetite

5 (22.7)

7 (31.8)

12 (27.3)

Neutropenia

1 (4.5)

5 (22.7)

3 (13.6)

2 (9.1)

1 (4.5)

12 (27.3)

Rash

2 (9.1)

9 (40.9)

1 (4.5)

12 (27.3)

Vision blurred

6 (27.3)

6 (27.3)

12 (27.3)

Myalgia

4 (18.2)

6 (27.3)

1 (4.5)

11 (25.0)

Dyspnea

3 (13.6)

7 (31.8)

10 (22.7)

Anemia

2 (9.1)

4 (18.2)

2 (9.1)

1 (4.5)

9 (20.5)

Constipation

4 (18.2)

4 (18.2)

1 (4.5)

9 (20.5)

Cough

4 (18.2)

5 (22.7)

9 (20.5)

Mucosal inflammation

1 (4.5)

4(18.2)

1 (4.5)

1 (4.5)

7 (15.9)

Muscular weakness

1 (4.5)

2 (9.1)

3 (6.8)

Decreased hemoglobin

1 (4.5)

1 (4.5)

2 (4.5)

  1. AE adverse event
  2. aNo patient experienced a grade 5 AE