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Table 2 Treatment-emergent adverse events occurring in ≥ 10% of patients

From: A phase I/II study of epertinib plus trastuzumab with or without chemotherapy in patients with HER2-positive metastatic breast cancer

Grade

Arm A (N=21)

Arm B (N=7)

Arm C (N=17)

Overall (N=45)

Epertinib + T

Epertinib + T + V

Epertinib + T + C

  

all, n (%)

≥3, n (%)

all, n (%)

≥3, n (%)

all, n (%)

≥3, n (%)

all, n (%)

≥3, n (%)

Gastrointestinal disorders

 Diarrhoea

20 (95.2)

8 (38.1)

7 (100)

3(42.9)

16 (94.1)

5 (29.4)

43 (95.6)

16 (35.6)

 Nausea

17 (81.0)

1 (4.8)

7 (100)

0

12 (70.6)

0

36 (80.0)

1 (2.2)

 Vomiting

7 (33.3)

1 (4.8)

4 (57.1)

1 (14.3)

6 (35.3)

0

17 (37.8)

2 (4.4)

 Stomatitis

6 (28.6)

0

0

0

5 (29.4)

0

11 (24.4)

0

 Constipation

3 (14.3)

0

2 (28.6)

0

3 (17.6)

0

8 (17.8)

0

 Abdominal Pain

4 (19.0)

0

1 (14.3)

0

2 (11.8)

0

7 (15.6)

0

 Dyspepsia

1 (4.8)

0

1 (14.3)

0

3 (17.6)

0

5 (11.1)

0

Metabolism and nutrition disorders

 Decreased appetite

9 (42.9)

0

2 (28.6)

0

6 (35.3)

1 (5.9)

17 (37.8)

1 (2.2)

 Hypokalaemia

4 (19.0)

0

1 (14.3)

1 (14.3)

6 (35.3)

3 (17.6)

11 (24.4)

4 (8.9)

General disorders

 Fatigue

5 (23.8)

0

3 (42.9)

1 (14.3)

6 (35.3)

0

14 (31.1)

1 (2.2)

 Oedema peripheral

2 (9.5)

0

0

0

4 (23.5)

0

6 (13.3)

0

 Pyrexia

2 (9.5)

0

2 (28.6)

0

2 (11.8)

0

6 (13.3)

0

 Asthenia

1 (4.8)

0

0

0

4 (23.5)

0

5 (11.1)

0

Skin and subcutaneous tissue disorders

 Palmar-plantar erythrodysaesthesia syndrome

2 (9.5)

0

0

0

11 (64.7)

1 (5.9)

13 (28.9)

1 (2.2)

 Rash

5 (23.8)

0

2 (28.6)

0

4 (23.5)

0

11 (24.4)

0

 Pruritus

6 (28.6)

0

0

0

2 (11.8)

0

8 (17.8)

0

 Dermatitis acneiform

6 (28.6)

0

0

0

0

0

6 (13.3)

0

Blood system disorders

 Anaemia

3 (14.3)

1 (4.8)

0

0

6(35.3)

0

9 (20.0)

1 (2.2)

 Neutropenia

1 (4.8)

0

4 (57.1)

4 (57.1)

2(11.8)

1 (5.9)

7 (15.6)

5 (11.1)

Infections and infestations

 Paronychia

1 (4.8)

0

2 (28.6)

0

6 (35.3)

0

9 (20.0)

0

 Upper respiratory tract infection

3 (14.3)

0

2 (28.6)

0

1 (5.9)

0

6 (13.3)

0

 Urinary tract infection

2 (9.5)

0

0

0

4 (23.5)

0

6 (13.3)

0

Respiratory disorders

 Dyspnoea

2 (9.5)

1 (4.8)

1 (14.3)

0

5 (29.4)

1 (5.9)

8 (17.8)

2 (4.4)

 Epistaxis

3 (14.3)

0

2 (28.6)

0

3 (17.6)

0

8 (17.8)

0

 Cough

3 (14.3)

0

1 (14.3)

0

2 (11.8)

0

6 (13.3)

0

Nervous system disorders

 Headache

4 (19.0)

0

1 (14.3)

0

2(11.8)

0

7 (15.6)

0

 Lethargy

2 (9.5)

0

3 (42.9)

0

1 (5.9)

0

6 (13.3)

0

Musculoskeletal disorder

 Muscle spasms

2 (9.5)

0

1 (14.3)

0

2 (11.8)

0

5 (11.1)

0

Eye disorder

 Dry eye

1 (4.8)

0

1 (14.3)

0

3 (17.6)

0

5 (11.1)

0

Investigations

 Blood bilirubin increased

10 (47.6)

1 (4.8)

2 (28.6)

0

10 (58.8)

3 (17.6)

22 (48.9)

4 (8.9)

 ALT increased

3 (14.3)

0

5 (71.4)

0

2 (11.8)

1 (5.9)

10 (22.2)

1 (2.2)

 AST increased

2 (9.5)

0

3 (42.9)

0

4 (23.5)

1 (5.9)

9 (20.0)

1 (2.2)

 Weight decreased

2 (9.5)

0

0

0

3 (17.6)

0

5 (11.1)

0

  1. Abbreviations: T trastuzumab, V vinorelbine, C capecitabine