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Gastroenterology. 2005 Apr;128(4):862-9.

Infliximab maintenance treatment reduces hospitalizations, surgeries, and procedures in fistulizing Crohn's disease.

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Division of Gastroenterology, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA.



Infliximab is effective in closing fistulas in patients with Crohn's disease. We examined the effect of infliximab maintenance treatment on hospitalizations, surgeries, and procedures in patients with fistulizing Crohn's disease enrolled in the ACCENT II study.


After 5 mg/kg infliximab at weeks 0, 2, and 6, a total of 282 patients were separately randomized at week 14 as responders (at least a 50% reduction from baseline in the number of draining fistulas at both weeks 10 and 14) or nonresponders to receive placebo or 5 mg/kg infliximab maintenance every 8 weeks. At week 22 and later, patients who lost response could be treated with a maintenance dose 5 mg/kg higher. Data on Crohn's disease-related hospitalizations, surgeries, and procedures were compared between the treatment groups for responders and all randomized patients.


A total of 282 patients were randomized at week 14, of whom 195 were randomized as responders. Among patients randomized as responders, those who received infliximab maintenance had significantly fewer mean hospitalization days (0.5 vs. 2.5 days; P < .05), mean numbers (per 100 patients) of hospitalizations (11 vs. 31; P < .05), all surgeries and procedures (65 vs. 126; P < .05), inpatient surgeries and procedures (7 vs. 41; P < .01), and major surgeries (2 vs. 11; P < .05), compared with those who received placebo maintenance.


In patients with fistulizing Crohn's disease, infliximab 5 mg/kg every 8 weeks significantly reduced hospitalizations, surgeries, and procedures compared with placebo.

[Indexed for MEDLINE]

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