Table 3 Summary of adverse events (safety set population).

From: QL1209 (pertuzumab biosimilar) versus reference pertuzumab plus trastuzumab and docetaxel in neoadjuvant treatment for HER2-positive, ER/PR-negative, early or locally advanced breast cancer: A multicenter, randomized, double-blinded, parallel-controlled, phase III equivalence trial

 

QL1209 (n = 257)

Reference pertuzumab (n = 259)

TEAEs, n (%)

  Any grade

245 (95.3)

249 (96.1)

  Grade ≥3

94 (36.6)

97 (37.5)

  Serious TEAEs

23 (8.9)

25 (9.7)

TRAEs, n (%)

  Any grade

235 (91.4)

239 (92.3)

  Grade ≥3

70 (27.2)

73 (28.2)

TRSAEs

13 (5.1)

12 (4.6)

TRAEs leading to discontinuation

1 (0.4)

2 (0.8)

Infusion-related reaction

25 (9.7)

15 (5.8)

Death

1 (0.4)

1 (0.4)

TEAEs occurred in ≥10% patients in either group

  Alopecia

106 (41.2)

107 (41.3)

  Decreased white blood cell

96 (37.4)

86 (33.2)

  Diarrhea

91 (35.4)

89 (34.4)

  Decreased neutrophil count

90 (35.0)

82 (31.7)

  Anemia

82 (31.9)

93 (35.9)

  Nausea

81 (31.5)

72 (27.8)

  ALT increased

76 (29.6)

68 (26.3)

  Infections

70 (27.2)

59 (22.8)

  AST increased

57 (22.2)

49 (18.9)

  Vomiting

53 (20.6)

48 (18.5)

  Fatigue

52 (20.2)

55 (21.2)

  Fever

34 (13.2)

29 (11.2)

  Anorexia

34 (13.2)

41 (15.8)

  Cough

28 (10.9)

23 (8.9)

  Pain

26 (10.1)

18 (6.9)

  Hypertriglyceridemia

23 (8.9)

29 (11.2)

  1. TEAE treatment-emergent adverse event, TRAE, treatment-related adverse event, TRSAEs, treatment-related serious adverse events, ALT elevated alanine aminotransferase, AST elevated aspartate aminotransferase.