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Aliment Pharmacol Ther. 2005 Nov 1;22(9):789-94.

Oral butyrate for mildly to moderately active Crohn's disease.

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  • 1First Department of Medicine, IRCCS Policlinico S. Matteo, University of Pavia, Pavia, Italy.

Abstract

BACKGROUND:

Butyrate exerts anti-inflammatory effects in experimental colitis and on Crohn's disease lamina propria mononuclear cells in vitro.

AIM:

To explore the efficacy and safety of oral butyrate in Crohn's disease.

METHODS:

Thirteen patients with mild-moderate ileocolonic Crohn's disease received 4 g/day butyrate as enteric-coated tablets for 8 weeks. Full colonoscopy and ileoscopy were performed before and after treatment. Endoscopical and histological score, laboratory data, Crohn's disease activity index and mucosal interleukin (IL)-1beta, IL-6, IL-12, interferon-gamma, tumour necrosis factor-alpha and nuclear factor-kappa B (NF-kappaB) were assessed before and after treatment.

RESULTS:

One patient withdrew from the study, and three patients did not experience clinical improvement. Among the nine patients (69%) who responded to treatment, seven (53%) achieved remission and two had a partial response. Endoscopical and histological score significantly improved after treatment at ileocaecal level (P < 0.05). Leucocyte blood count, erythrocyte sedimentation rate and mucosal levels of NF-kappaB and IL-1beta significantly decreased after treatment (P < 0.05).

CONCLUSIONS:

Oral butyrate is safe and well tolerated, and may be effective in inducing clinical improvement/remission in Crohn's disease. These data indicate the need for a large investigation to extend the present findings, and suggest that butyrate may exert its action through downregulation of NF-kappaB and IL-1beta.

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