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  • Title: Addition of prokinetics to PPI therapy in gastroesophageal reflux disease: a meta-analysis.
    Author: Ren LH, Chen WX, Qian LJ, Li S, Gu M, Shi RH.
    Journal: World J Gastroenterol; 2014 Mar 07; 20(9):2412-9. PubMed ID: 24605040.
    Abstract:
    AIM: To investigate the efficacy of adding prokinetics to proton pump inhibitors (PPIs) for the treatment of gastroesophageal reflux disease (GERD). METHODS: PubMed, Cochrane Library, and Web of Knowledge databases (prior to October 2013) were systematically searched for randomized controlled trials (RCTs) that compared therapeutic efficacy of PPI alone (single therapy) or PPI plus prokinetics (combined therapy) for GERD. The primary outcome of those selected trials was complete or partial relief of non-erosive reflux disease symptoms or mucosal healing in erosive reflux esophagitis. Using the test of heterogeneity, we established a fixed or random effects model where the risk ratio was the primary readout for measuring efficacy. RESULTS: Twelve RCTs including 2403 patients in total were enrolled in this study. Combined therapy was not associated with significant relief of symptoms or alterations in endoscopic response relative to single therapy (95%CI: 1.0-1.2, P = 0.05; 95%CI: 0.66-2.61, P = 0.44). However, combined therapy was associated with a greater symptom score change (95%CI: 2.14-3.02, P < 0.00001). Although there was a reduction in the number of reflux episodes in GERD [95%CI: -5.96-(-1.78), P = 0.0003] with the combined therapy, there was no significant effect on acid exposure time (95%CI: -0.37-0.60, P = 0.65). The proportion of patients with adverse effects undergoing combined therapy was significantly higher than for PPI therapy alone (95%CI: 1.06-1.36, P = 0.005) when the difference between 5-HT receptor agonist and PPI combined therapy and single therapy (95%CI: 0.84-1.39, P = 0.53) was excluded. CONCLUSION: Combined therapy may partially improve patient quality of life, but has no significant effect on symptom or endoscopic response of GERD.
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