Introduction: Gastroesophageal reflux disease (GERD) is a digestive disorder that affects the lower esophageal sphincter (LES). Functional dyspepsia (FD) is characterized by troublesome early satiety, epigastralgia or heart burn. It is often overlooked as the symptoms overlap with GERD. This study aims to compare the effectiveness of Acotiamide+Rabeprazole vs. a double dose of Rabeprazole in Indian population. Method: In this study 60 patients diagnosed with PPI refractory GERD (taking PPI>8weeks) and FD with no gastric or duodenal organic abnormalities were randomly allocated in two groups. Group 1 received a combination of Acotiamide (200mg/day) +Rabeprazole (20mg/day) and group 2 received a double dose of Rabeprazole (40mg/day). Follow ups were done every month for 3 consecutive months. The frequency and severity of symptoms were assessed using standard Izumo scale and FSSG scale. Results: The total score and GERD score from the baseline were significantly reduced in group 1 however the reduction in FD score from baseline did not differ significantly in the two treatment groups according to F-scale. The proportion of patients with ≥ 50% reduction in the total score for three upper gastrointestinal symptoms (heart burn, epigastralgia, and epigastric fullness) in the izumo scale was 96.7% in group 1 and 33.3% in group 2. Significant difference were noticed between the two groups. No serious adverse events were observed. Conclusion: The combination group of Acotiamide+Rabeprazole was found to be more effective than double dose of Rabeprazole in reducing the overlapping symptoms of PPI refractory GERD and FD.

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