Proton pump inhibitor monotherapy is effective to attenuate dyspepsia symptoms associated with gastroesophageal reflux disease: a multicenter prospective observational study

Abstract

Background and aim

Gastroesophageal reflux disease (GERD) and functional dyspepsia (FD) are frequently overlapped. However, no treatment strategies have been established yet for such patients. This study compared the effects of proton pump inhibitor (PPI) treatment in patients with GERD-associated FD among three groups with varying severity levels of GERD symptoms.

Methods

The patients with GERD and FD symptoms received PPI treatment for 4 weeks after endoscopy, and the severity of the symptoms and responses to treatment were evaluated at before and after 4 weeks of treatment using the Gastroesophageal Reflux and Dyspepsia Therapeutic Efficacy and Satisfaction Test (GERD-TEST). The patients were divided into three groups in accordance with the severity of the GERD symptoms as assessed by the GERD symptom subscale (SS) scores of pre-treatment.

Results

Data from 233 cases of 40 mild, 151 moderate and 42 severe symptoms were analyzed. Analysis of the pre-treatment scores for each symptom revealed that a higher GERD-SS score was significantly associated with higher scores on any kind of FD score. Four weeks of PPI treatment significantly and markedly alleviated any of GERD/FD symptoms. Most importantly, change in the score for each symptom after 4 weeks of treatment relative to the pre-treatment score was significantly greater in the groups with more severe GERD-SS.

Conclusion

FD symptoms associated with more severe GERD symptoms are supposed to be acid-related dyspepsia, and PPI monotherapy is recommended as the treatment of first choice in such patients.

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