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Review
.2015 Apr 21;21(15):4744-9.
doi: 10.3748/wjg.v21.i15.4744.

Integrin antagonists are effective and safe for Crohn's disease: a meta-analysis

Affiliations
Review

Integrin antagonists are effective and safe for Crohn's disease: a meta-analysis

Wen-Song Ge et al. World J Gastroenterol..

Abstract

Aim: To evaluate the efficacy and safety of integrin antagonists, including natalizumab and vedolizumab, in Crohn's disease (CD).

Methods: We carried out a literature search in PubMed, MEDLINE, EMBASE and the Cochrane Library to screen for citations from January 1990 to August 2014. Data analysis was performed using Review Manager version 5.2.

Results: A total of 1340 patients from five studies were involved in this meta-analysis. During 6-12 wk treatment, integrin antagonists increased the rate of clinical response and remission with OR = 1.69, 95%CI: 1.37-2.09 and 1.84, 95%CI: 1.44-2.34, respectively. No significant difference was found between integrin antagonists and placebo treatments regarding their adverse reactions (OR = 1.07, 95%CI: 0.83-1.38) and serious adverse reactions (OR = 0.81, 95%CI: 0.57-1.15).

Conclusion: The results prove the efficacy and safety of integrin antagonists for CD treatment, although the treatment strategies varied.

Keywords: Crohn’s disease; Drug efficacy; Drug safety; Integrin antagonist; Meta-analysis.

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Figures

Figure 1
Figure 1
Flow diagram of the studies identified.
Figure 2
Figure 2
Forest plots of clinical response. Clinical response was defined as a decrement of ≥ 70 points in CDAI score from baseline (week 0). Ghosh 20031: 6 mg/kg natalizumab at 0 and 4 wk; Ghosh 20032: 3 mg/kg natalizumab at 0 and 4 wk; Ghosh 20033: 3 mg/kg natalizumab at 0 wk. Feagan 20081: 2 mg/kg vedolizumab at 0 and 4 wk; Feagan 20082: 0.5 mg/kg vedolizumab at 0 and 4 wk.
Figure 3
Figure 3
Forest plots of clinical remission. Clinical remission was defined as CDAI score< 150. Ghosh 20031: 6 mg/kg natalizumab at 0 and 4 wk; Ghosh 20032: 3 mg/kg natalizumab at 0 and 4 wk; Ghosh 20033: 3 mg/kg natalizumab at 0 wk. Feagan 20081: 2 mg/kg vedolizumab at 0 and 4 wk; Feagan 20082: 0.5 mg/kg vedolizumab at 0 and 4 wk.
Figure 4
Figure 4
Forest plots of common adverse reactions. Ghosh 20031: 6 mg/kg natalizumab at 0 and 4 wk; Ghosh 20032: 3 mg/kg natalizumab at 0 and 4 wk; Ghosh 20033: 3 mg/kg natalizumab at 0 wk. Feagan 20081: 2 mg/kg vedolizumab at 0 and 4 wk; Feagan 20082: 0.5 mg/kg vedolizumab at 0 and 4 wk.
Figure 5
Figure 5
Forest plots of serious adverse reactions. Ghosh 20031: 6 mg/kg natalizumab at 0 and 4 wk; Ghosh 20032: 3 mg/kg natalizumab at 0 and 4 wk; Ghosh 20033: 3 mg/kg natalizumab at 0 wk. Feagan 20081: 2 mg/kg vedolizumab at 0 and 4 wk; Feagan 20082: 0.5 mg/kg vedolizumab at 0 and 4 wk.
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