Dec 13, 2005

Infliximab for induction and maintenance therapy for ulcerative colitis

The New England Journal of Medicine
Paul RutgeertsJean Frederic Colombel

Abstract

Infliximab, a chimeric monoclonal antibody directed against tumor necrosis factor alpha, is an established treatment for Crohn's disease but not ulcerative colitis. Two randomized, double-blind, placebo-controlled studies--the Active Ulcerative Colitis Trials 1 and 2 (ACT 1 and ACT 2, respectively)--evaluated the efficacy of infliximab for induction and maintenance therapy in adults with ulcerative colitis. In each study, 364 patients with moderate-to-severe active ulcerative colitis despite treatment with concurrent medications received placebo or infliximab (5 mg or 10 mg per kilogram of body weight) intravenously at weeks 0, 2, and 6 and then every eight weeks through week 46 (in ACT 1) or week 22 (in ACT 2). Patients were followed for 54 weeks in ACT 1 and 30 weeks in ACT 2. In ACT 1, 69 percent of patients who received 5 mg of infliximab and 61 percent of those who received 10 mg had a clinical response at week 8, as compared with 37 percent of those who received placebo (P<0.001 for both comparisons with placebo). A response was defined as a decrease in the Mayo score of at least 3 points and at least 30 percent, with an accompanying decrease in the subscore for rectal bleeding of at least 1 point or an absolute rectal-bl...Continue Reading

  • References26
  • Citations1557

Citations

Mentioned in this Paper

Monoclonal Antibodies
Necrosis
Tumor Necrosis Factor-alpha
Chimera Organism
Weighing Patient
Bikinia le-testui
Fluorescent Antinuclear Antibodies
Remission Induction
Tumor Necrosis Factors
Crohn Disease

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