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Details

Autor(en) / Beteiligte
Titel
Two-Year Combination Antibiotic Therapy With Clarithromycin, Rifabutin, and Clofazimine for Crohn’s Disease
Ist Teil von
  • Gastroenterology (New York, N.Y. 1943), 2007-06, Vol.132 (7), p.2313-2319
Ort / Verlag
United States: Elsevier Inc
Erscheinungsjahr
2007
Quelle
MEDLINE
Beschreibungen/Notizen
  • Background & Aims: Mycobacterium avium subspecies paratuberculosis has been proposed as a cause of Crohn’s disease. We report a prospective, parallel, placebo-controlled, double-blind, randomized trial of 2 years of clarithromycin, rifabutin, and clofazimine in active Crohn’s disease, with a further year of follow-up. Methods: Two hundred thirteen patients were randomized to clarithromycin 750 mg/day, rifabutin 450 mg/day, clofazimine 50 mg/day or placebo, in addition to a 16-week tapering course of prednisolone. Those in remission (Crohn’s Disease Activity Index ≤150) at week 16 continued their study medications in the maintenance phase of the trial. Primary end points were the proportion of patients experiencing at least 1 relapse at 12, 24, and 36 months. Results: At week 16, there were significantly more subjects in remission in the antibiotic arm (66%) than the placebo arm (50%; P = .02). Of 122 subjects entering the maintenance phase, 39% taking antibiotics experienced at least 1 relapse between weeks 16 and 52, compared with 56% taking placebo ( P = .054). At week 104, the figures were 26% and 43%, respectively ( P = .14). During the following year, 59% of the antibiotic group and 50% of the placebo group relapsed ( P = .54). Conclusions: Using combination antibiotic therapy with clarithromycin, rifabutin, and clofazimine for up to 2 years, we did not find evidence of a sustained benefit. This finding does not support a significant role for Mycobacterium avium subspecies paratuberculosis in the pathogenesis of Crohn’s disease in the majority of patients. Short-term improvement was seen when this combination was added to corticosteroids, most likely because of nonspecific antibacterial effects.

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