Meta-analysis/Systematic review
Tumor necrosis factor-α antibodies (infliximab, adalimumab and certolizumab) in Crohn's disease: systematic review and meta-analysis
 
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Submission date: 2012-12-29
 
 
Final revision date: 2013-02-18
 
 
Acceptance date: 2013-03-21
 
 
Online publication date: 2013-11-05
 
 
Publication date: 2013-10-31
 
 
Arch Med Sci 2013;9(5):765-779
 
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ABSTRACT
Introduction: This meta-analysis compares the effectiveness and safety of tumor necrosis factor α (TNF-α) antibodies (infliximab, adalimumab and certolizumab) with either a placebo or each of them in the treatment of Crohn’s disease (CD).
Material and methods: A systematic review of literature published up to November 2012 was performed and a meta-analysis of identified studies was carried out. We searched the following databases: PubMed, EMBASE, The Cochrane Library and others. Only randomized or clinical controlled trials were included.
Results: Nineteen clinical trials fulfilled the established criteria (5 studies for infliximab vs. placebo, 6 for each adalimumab or certolizumab vs. placebo and 2 comparing infliximab with adalimumab). The results of meta-analysis showed that anti-TNF therapy in patients with CD is safe and statistically significantly more effective when compared with the placebo for induction of remission at week 4 (RB = 1.90, 95% CI: 1.55–2.33, p < 0.00001), maintenance of remission at weeks 20–30 (RB = 1.86, 95% CI: 1.61–2.15, p < 0.00001) and at weeks 48–56 (RB = 2.75, 95% CI: 2.13–3.54, p < 0.00001) in patients who responded to the induction therapy and patients randomized before the induction. Anti-TNF agents were also superior to the placebo in fistula healing (during short-term induction, as well as long-term maintenance) and inducing CR-70 but not CR-100 at week 4. Moreover, the anti-TNF therapy had a significant effect on achieving both CR-70 and CR-100 during long-term maintenance.
Conclusions: Infliximab, adalimumab and certolizumab are effective as both induction and maintenance therapy in moderate to severe Crohn’s disease in adults, including patients with fistulas. The safety profile was acceptable.
eISSN:1896-9151
ISSN:1734-1922
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