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Evidence summaries

Budesonide for Induction of Remission in Crohn's Disease

Oral budesonide (9 mg/day for 8 to 10 weeks) is effective for the treatment of acute flares of Crohn's disease. It is somewhat less efficacious but with fewer adverse effects than conventional corticosteroids. Level of evidence: "A"

A Cochrane review [Abstract] 1 included 14 studies with 1805 patients. 9 compared budesonide with conventional corticosteroids, 3 were placebo-controlled, and 2 compared budesonide with mesalamine. After 8 weeks of treatment, budesonide was significantly more effective than placebo. 47% (115/246) of budesonide patients achieved remission at 8 weeks compared to 22% (29/133) of placebo patients (RR 1.93, 95% CI 1.37 to 2.73; 3 studies, 379 patients). 69 % (107/154) of budesonide patients were in remission at 8 weeks compared to 62% (132/242) of mesalamine patients (RR 1.12, 95% CI 0.95 to 1.32). Budesonide was significantly less effective than conventional steroids for induction of remission at eight weeks. Fifty-two per cent of budesonide patients achieved remission at week 8 compared to 61% of patients who received conventional steroids (RR 0.85, 95% CI 0.75 to 0.97; 8 studies, 750 patients). Budesonide was significantly less effective than conventional steroids among patients with severe disease (CDAI > 300) (RR 0.52, 95% CI 0.28 to 0.95).

Fewer adverse events occurred in those treated with budesonide compared to conventional steroids (RR 0.64, 95% CI 0.54 to 0.76) and budesonide was better able to preserve adrenal function (RR for abnormal ACTH test 0.65, 95% CI 0.55 to 0.78).

    References

    • Rezaie A, Kuenzig ME, Benchimol EI et al. Budesonide for induction of remission in Crohn's disease. Cochrane Database Syst Rev 2015;6():CD000296. [PubMed].

Primary/Secondary Keywords