Journal
ALIMENTARY PHARMACOLOGY & THERAPEUTICS
Volume 32, Issue 6, Pages 720-737Publisher
WILEY
DOI: 10.1111/j.1365-2036.2010.04406.x
Keywords
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Funding
- Houston VA HSR&D Center of Excellence [HFP90-020]
- AstraZeneca
- AstraZeneca R&D, Molndal, Sweden
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P>Background Persistent gastro-oesophageal reflux disease (GERD) symptoms can occur despite proton pump inhibitor (PPI) therapy. Aim To assess the prevalence and potential determinants of persistent GERD symptoms in primary care and community-based studies. Methods Studies were identified by systematic PubMed and Embase searches; pooled prevalence data are shown as sample-size weighted means and 95% confidence intervals. Results Nineteen studies in individuals with GERD taking a PPI were included. In interventional, nonrandomized primary care trials, the prevalence of persistent troublesome heartburn and regurgitation was 17% (6-28%) and 28% (26-30%) respectively; in randomized trials, it was 32% (25-39%) and 28% (26-30%), respectively. In observational primary care and community-based studies, 45% (30-60%) of participants reported persistent GERD symptoms. Overall, persistent GERD symptoms despite PPI treatment were more likely in studies with a higher proportion of female participants [> 60% vs. < 50%, risk ratio (RR): 3.66; P < 0.001], but less likely in studies from Europe than in those from the USA (RR: 0.71; P < 0.001), and were associated with decreased psychological and physical well-being. Conclusions Persistent GERD symptoms despite PPI treatment are common in the primary care and community setting. Alternative approaches to management are required.
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