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Clinical trial: the safety and short-term efficacy of recombinant cholera toxin B subunit in the treatment of active Crohn's disease.
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Medicine.
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2010 (English)In: Alimentary Pharmacology and Therapeutics, ISSN 0269-2813, E-ISSN 1365-2036, Vol. 31, no 3, 387-395 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: The cholera toxin B subunit ameliorates experimentally induced colitis in mice. In humans, cholera toxin B subunit has never been tested in the treatment of Crohn's disease (CD). AIM: To evaluate the safety and efficacy of treatment with recombinant cholera toxin B subunit of patients with CD. METHODS: An open-label, multicentre, nonrandomized trial including 15 patients with mild/moderate CD. Patients received an oral solution of 5 mg recombinant cholera toxin B subunit three times weekly for 2 weeks. Reduction in CD Activity Index (CDAI) with >100 between baseline and days 15, 29, 42 and 70 defined clinical response. Patients with CDAI score < or = 150 were defined as being in remission. RESULTS: A significant decrease in CDAI score was observed. Response rates were 40% in the full analysis set and 42% in the per protocol analysis. Two patients receiving adjuvant treatment after day 29 were excluded, after which 40% were in remission at 4 weeks and 30% at 8 weeks post-treatment. Mild side effects (arthralgia, headache and pruritus) were seen in 33% of patients. CONCLUSIONS: Treatment with recombinant cholera toxin B subunit was safe. Approximately 40% of patients with active CD responded to treatment. Randomized studies are needed to establish the clinical efficacy of recombinant cholera toxin B subunit.

Place, publisher, year, edition, pages
2010. Vol. 31, no 3, 387-395 p.
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Medical and Health Sciences
URN: urn:nbn:se:umu:diva-32963DOI: 10.1111/j.1365-2036.2009.04185.xPubMedID: 19878149OAI: diva2:306856
Available from: 2010-03-31 Created: 2010-03-31 Last updated: 2012-06-21Bibliographically approved

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