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Table 3 All-cause treatment-emergent adverse events occurring in ≥10 % of patients in either arm

From: Cetuximab plus platinum-based chemotherapy in head and neck squamous cell carcinoma: a randomized, double-blind safety study comparing cetuximab produced from two manufacturing processes using the EXTREME study regimen

Adverse eventa

US commercial cetuximab

Arm A

(N = 77)

n (%)

BI-manufactured cetuximab

Arm B

(N = 71)

n (%)

Patients with ≥1 TEAE

75 (97.4)

68 (95.8)

Nausea

38 (49.4)

34 (47.9)

Fatigue

35 (45.5)

36 (50.7)

Hypomagnesemia

29 (37.7)

29 (40.8)

Diarrhea

25 (32.5)

22 (31.0)

Dermatitis acneiform

25 (32.5)

19 (26.8)

Vomiting

24 (31.2)

27 (38.0)

Anemia

21 (27.3)

30 (42.3)

Hypokalemia

21 (27.3)

24 (33.8)

Neutropenia

20 (26.0)

24 (33.8)

Stomatitis

20 (26.0)

21 (29.6)

Dry skin

18 (23.4)

12 (16.9)

Constipation

17 (22.1)

24 (33.8)

Mucosal inflammation

16 (20.8)

16 (22.5)

Decreased appetite

15 (19.5)

18 (25.4)

Dehydration

13 (16.9)

17 (23.9)

Neutrophil count decreased

11 (14.3)

14 (19.7)

Rash

10 (13.0)

19 (26.8)

Weight decreased

10 (13.0)

13 (18.3)

Platelet count decreased

10 (13.0)

11 (15.5)

Insomnia

9 (11.7)

11 (15.5)

Dyspnea

8 (10.4)

12 (16.9)

Thrombocytopenia

8 (10.4)

12 (16.9)

Dizziness

8 (10.4)

11 (15.5)

Paronychia

8 (10.4)

10 (14.1)

Hyponatremia

7 (9.1)

14 (19.7)

Pyrexia

7 (9.1)

8 (11.3)

  1. a Apart from rash (p = 0.034, 95 % CI: 0.010, 0.265), the difference between Arm A and Arm B in the incidence of all-cause TEAEs occurring in ≥10 % of patients in either arm was not statistically significant
  2. Abbreviations: BI Boehringer Ingelheim, TEAE treatment-emergent adverse event, US United States