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KMID : 1812020200260010085
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Journal of Neurogastroenterology and Motility
2020 Volume.26 No. 1 p.85 ~ p.95
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Phase 4 Study in Patients From Asia With Gastroesophageal Reflux Disease Treated With Dexlansoprazole
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Wu Justin C. Y.
Sheu Bor-Shyang
Wu Ming-Shiang
Lee Yong-Chan
Choi Myung-Gyu
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Abstract
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Background/Aims: Since the use of dexlansoprazole in Asian subjects with gastroesophageal reflux disease (GERD) has not been adequately characterized, this study was conducted to evaluate the efficacy and safety of dexlansoprazole modified-release in Asian subjects with non-erosive reflux disease (NERD) and erosive esophagitis (EE).
Methods: In this phase 4, open-label, non-randomized, uncontrolled, multicenter, multi-country study sponsored by Takeda, subjects aged ≥ 20 years with persistent typical GERD symptoms for at least 6 months underwent endoscopy. Based on endoscopic findings, they were assigned to either dexlansoprazole modified-release 30 mg once-daily for 4 weeks (NERD group) or dexlansoprazole modified-release 60 mg once-daily for 8 weeks (EE group). The primary endpoint was the percentage of days that subjects did not experience any 24-hour heartburn or acid regurgitation.
Results: Of the 445 subjects screened from Hong Kong, South Korea, and Taiwan, 208 were enrolled in the NERD group (mean age: 53.6 years, male: 34.6%) and 88 in the EE group (mean age: 51.7 years, male: 55.7%). Over the treatment period, the median percentage of days that subjects did not experience any 24-hour heartburn or acid regurgitation was 26.9% and 65.5% in the NERD and EE groups, respectively; for nighttime heartburn or acid regurgitation the proportions were 59.3% and 83.3%, respectively. The treatment was well tolerated with low incidence of treatment-related adverse events in NERD and EE groups (6.7% and 5.7%, respectively).
Conclusion: In Asian patients with GERD, treatment with dexlansoprazole modified-release indicates a favorable efficacy and safety profile in relieving heartburn and acid regurgitation symptoms.
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KEYWORD
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Asia, Dexlansoprazole, Esophagitis, Gastroesophageal reflux, Heartburn
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