Table 2

Adverse events (AEs) in the safety analysis

No. (%) patientsPlacebo (n=38)Epratuzumab
200 mg cd (100 mg EOW) (n=39)800 mg cd (400 mg EOW) (n=37)2400 mg cd (600 mg weekly) (n=35)2400 mg cd (1200 mg EOW) (n=37)3600 mg cd (1800 mg EOW) (n=39)
At least one AE27 (71.7)28 (71.8)20 (54.1)27 (77.1)29 (78.4)26 (66.7)
At least one drug-related AE8 (21.1)12 (30.8)10 (27.0)13 (37.1)16 (43.2)12 (30.8)
AEs leading to discontinuation2 (5.3)01 (2.7)1 (2.9)1 (2.7)0
Serious AEs*3 (7.9)2 (5.1)2 (5.4)3 (8.6)4 (10.8)2 (5.1)
Infusion reactions4 (10.5)3 (7.7)5 (13.5)5 (14.3)6 (16.2)5 (12.8)
AEs possibly indicative of infection15 (39.5)15 (38.5)9 (24.3)16 (45.7)16 (43.2)20 (51.3)
Most common AEs†
 Headache5 (13.2)4 (10.3)4 (10.8)4 (11.4)7 (18.9)2 (5.1)
 Nausea2 (5.3)3 (7.7)2 (5.4)3 (8.6)3 (8.1)5 (12.8)
 Upper respiratory Tract infection2 (5.3)2 (5.1)01 (2.9)3 (8.1)6 (15.4)
 Dizziness01 (2.6)2 (5.4)1 (2.9)3 (8.1)3 (7.7)
 Urinary tract infection2 (5.3)2 (5.1)1 (2.7)1 (2.9)2 (5.4)1 (2.6)
 Pyrexia2 (5.3)2 (5.1)1 (2.7)01 (2.7)1 (2.6)
 Cough3 (7.9)001 (2.9)01 (2.6)
 Viral infection2 (5.3)001 (2.9)1 (2.7)0
 Pneumonia2 (5.3)00000
  • *Placebo: 1 case each of small intestinal obstruction, SLE and venous thrombosis; epratuzumab 100 mg EOW: 1 each of angina pectoris and rib fracture; epratuzumab 400 mg EOW: 1 each of haemorrhagic diarrhoea and anaphylactic reaction; epratuzumab 600 mg weekly: 1 each of non-cardiac chest pain, cholestasis and cervical carcinoma (diagnosed by biopsy before screening: the patient discontinued the study); epratuzumab 1200 mg EOW: 1 each of abdominal pain, abdominal abscess, urinary tract infection, loss of consciousness and lupus encephalitis; epratuzumab 1800 mg EOW: 1 each of headache and arterial thrombosis.

  • †Only AEs occurring in ≥5% of patients in the placebo or combined epratuzumab arms are shown. EOW, every other week; SLE, systemic lupus erythematosus.