Infliximab could offer long-term benefits to people with Crohns disease

Sustained use of the drug infliximab could offer substantial clinical benefit to people with Crohns disease, conclude authors of a study in this weeks issue of THE LANCET.

Crohns disease is a chronic inflammatory disorder of the intestines. Patients often have to be treated with steroids, which are associated with severe side-effects. Previous research has suggested that the drug infliximab could reduce disease symptoms in the short term; Stephen Hanauer and colleagues from the University of Chicago, USA, investigated whether treatment with infliximab every two months could be more effective in reducing the symptoms of Crohns disease in the longer term compared with a single infusion of the drug.

355 patients with severe Crohns disease from the USA, Europe, and Israel who responded within two weeks to an initial 5 mg/kg intravenous infusion of infliximab took part in the study. They were randomly assigned repeat infusions of placebo, repeat infusions of 5 mg/kg infliximab, or 10 mg/kg infliximab (after two treatments with 5mg/kg infliximab). Treatment took place at randomisation, after one month, and thereafter every two months for a year.

More than twice as many people given infliximab every two months were in remission after 30 weeks compared with patients who only received initial infliximab treatment followed by placebo. Patients given sustained infliximab responded for longer (for 38 and 54 weeks for 5mg/kg and 10mg/kg regimens, respectively) compared with patients given placebo (who only responded to treatment for an average of 19 weeks). Patients given infliximab were also more likely to discontinue use of steroids compared with those given placebo.

Stephen Hanauer comments: This study was important to demonstrate a sustained response to maintenance treatment with infliximab in Crohns disease, similar to the results with maintenance treatment for rheumatoid arthritis. After a series of inductive infusions at baseline, 2 and

Contact: Richard Lane

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