Under den 16 uger lange dobbeltblinde fase fik patienterne enten 5 mg/ kg infliximab eller placebo i uge 0, 2, 6 og 14 (52 patienter i hver gruppe).
During the 16-week double-blind phase, patients received either 5 mg/ kg infliximab or placebo at weeks 0, 2, 6, and 14 (52 patients in each group).