Table 1

RAPID-PsA baseline demographics and disease characteristics at study baseline (RS population, observed cases)

Placebo
(n=136)
CZP
200 mg Q2W
(n=138)
CZP
400 mg Q4W
(n=135)
All patients
(N=409)
Demographic characteristics*
 Age, years47.3±11.148.2±12.347.1±10.847.6±11.4
 Sex, % female58.153.654.155.3
 Weight, kg82.6±19.9†85.8±17.784.8±18.784.4±18.8‡
 BMI, kg/m229.2±6.7†30.5±6.229.6±6.629.8±6.5‡
Arthritis characteristics
 Tender joint count (0–68 joints)19.9±14.721.5±15.319.6±14.820.3±14.9
 Swollen joint count (0–66 joints)10.4±7.611.0±8.810.5±7.510.7±8.0
 Physician's assessment of disease activity, by VAS, mm58.7±18.756.8±18.258.2±18.957.9±18.6
Psoriasis characteristics
 Psoriasis BSA ≥3%, n (%)86 (63.2)90 (65.2)76 (56.3)252 (61.6)
 PASI, median (min–max)§7.1 (0.3–55.2)6.8 (0.6–72.0)8.1 (0.6–51.8)7.2 (0.3–72.0)
Concomitant medication¶
 MTX use, %61.863.865.263.6
 CS use, %28.736.225.930.0
  • There were no significant differences between treatment groups at baseline.

  • *Except where indicated otherwise, values are the mean±SD.

  • †n=135.

  • ‡n=408.

  • §PASI scores for those patients with psoriasis body surface area ≥3% at baseline.

  • ¶Refers to concomitant use of MTX or any CS taken for at least 1 day during the 24-week double-blind treatment period.

  • BMI, body mass index; BSA, body surface area; CS, corticosteroid; CZP, certolizumab pegol; MTX, methotrexate; PASI, Psoriasis Area and Severity Index; Q2W, every 2 weeks; Q4W, every 4 weeks; RS, randomised set; VAS, visual analogue scale.