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Sökning: WFRF:(Hanauer Stephen)

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  • Hanauer, Stephen B, et al. (författare)
  • Oral Pentasa in the treatment of active Crohn's disease: A meta-analysis of double-blind, placebo-controlled trials
  • 2004
  • Ingår i: Clinical Gastroenterology and Hepatology. - : Elsevier. - 1542-7714. ; 2:5, s. 379-388
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND & AIMS: The aim of this study was to perform a meta-analysis of the efficacy results from 3 placebo-controlled multicenter clinical trials of slow-release mesalamine (Pentasa) for the acute treatment of mild to moderate Crohn's disease. METHODS: Three trials fulfilled the selection criteria (double-blind, placebo-controlled, randomized studies in adult patients treated with Pentasa 4 g/day for active Crohn's disease). The efficacy and safety was evaluated in these trials by using the Crohn's Disease Activity Index (CDAI) as the primary efficacy variable. The study duration was 16 weeks in all 3 trials. The total numbers of patients were 304 in the Pentasa 4-g/day treatment groups and 311 in the placebo groups. A meta-analysis was performed based on the study reports. RESULTS: For the intent-to-treat patients in the Pentasa groups, the overall mean reduction of the CDAI from baseline to the final visit was -63 points. The corresponding CDAI change in the placebo groups was -45 points; the net difference was -18 points. Compared with placebo, the 4-g/day dose of Pentasa was associated with a statistically significant overall improvement in the CDAI from baseline to the final visit (P = 0.04). When the meta-analysis was restricted to protocol correct patients, the effect of Pentasa became more pronounced (overall mean reduction of -83 CDAI points; P = 0.02, compared with placebo). Contrary to the consistent effects with Pentasa, the trial-specific reductions of the CDAI with placebo differed significantly between the trials. CONCLUSIONS: The meta-analysis of 3 large, double-blind, randomized studies in the treatment of active Crohn's disease confirms that Pentasa 4 g/day is superior to placebo in reducing the CDAI but the clinical significance of the magnitude of this difference is not clear.
  • Siegel, Corey A., et al. (författare)
  • Development of an index to define overall disease severity in IBD
  • 2018
  • Ingår i: Gut. - London, United Kingdom : BMJ Publishing Group Ltd. - 0017-5749 .- 1468-3288. ; 67:2, s. 244-254
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and aim: Disease activity for Crohn's disease (CD) and UC is typically defined based on symptoms at a moment in time, and ignores the long-term burden of disease. The aims of this study were to select the attributes determining overall disease severity, to rank the importance of and to score these individual attributes for both CD and UC.Methods: Using a modified Delphi panel, 14 members of the International Organization for the Study of Inflammatory Bowel Diseases (IOIBD) selected the most important attributes related to IBD. Eighteen IOIBD members then completed a statistical exercise (conjoint analysis) to create a relative ranking of these attributes. Adjusted utilities were developed by creating proportions for each level within an attribute.Results: For CD, 15.8% of overall disease severity was attributed to the presence of mucosal lesions, 10.9% to history of a fistula, 9.7% to history of abscess and 7.4% to history of intestinal resection. For UC, 18.1% of overall disease severity was attributed to mucosal lesions, followed by 14.0% for impact on daily activities, 11.2% C reactive protein and 10.1% for prior experience with biologics. Overall disease severity indices were created on a 100-point scale by applying each attribute's average importance to the adjusted utilities.Conclusions: Based on specialist opinion, overall CD severity was associated more with intestinal damage, in contrast to overall UC disease severity, which was more dependent on symptoms and impact on daily life. Once validated, disease severity indices may provide a useful tool for consistent assessment of overall disease severity in patients with IBD.
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