Table 3 Frequently occurring acute infusional events (⩾2.0% of patients in any group) to day 197 and day 365
Acute infusional eventsDays 1–197Days 1–365
Abatacept + MTX (n = 156)Placebo + MTX (n = 110)Infliximab + MTX (n = 165)Abatacept + MTX (n = 156)Infliximab + MTX (n = 165)
n (%)n (%)n (%)n (%)n (%)
Total patients with AEs8 (5.1)11 (10.0)30 (18.2)11 (7.1)41 (24.8)
Hypotension007 (4.2)08 (4.8)
Headache2 (1.3)2 (1.8)7 (4.2)2 (1.3)7 (4.2)
Nausea2 (1.3)1 (0.9)6 (3.6)3 (1.9)7 (4.2)
Flushing1 (0.6)04 (2.4)1 (0.6)5 (3.0)
Dyspnea004 (2.4)05 (3.0)
Urticaria01 (0.9)4 (2.4)08 (4.8)
Pruritus002 (1.2)05 (3.0)
Dizziness002 (1.2)1 (0.6)4 (2.4)
  • AE, adverse event; MTX, methotrexate.