gastroesophageal reflux disease (GERD)
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Patients who have provided written consent of their own free will to participate in the study after receiving sufficient written and verbal information about the study 2) Patients of both sexes aged 20 years or above. 3) Patients endoscopically diagnosed with Grade C or D reflux esophagitis according to the LA classification
Exclusion criteria
Exclusion criteria: 1) Patients with a history of gastrointestinal resection or vagotomy 2) Patients with warning signs such as vomiting, gastrointestinal bleeding (including findings of hematemesis, melena, and anemia), or sudden weight loss 3) Patients with concurrent peptic ulcer (not in the scarring stage) 4) Patients with a prior or current history of any of the following diseases: - Zollinger-Ellison syndrome - Inflammatory bowel disease (IBD) - Irritable bowel syndrome (IBS) - Esophageal stricture - Eosinophilic reflux esophagitis - Esophageal achalasia - Malabsorption - Cerebrovascular disorders such as cerebral hemorrhage and cerebral infarction 5) Patients complicated by serious hepatic, renal, cardiac, or other diseases for which the participation in the study would be difficult 6) Patients with a confirmed or suspected malignant lesion 7) Patients who are pregnant, breastfeeding, or may be pregnant 8) Patients considered to require continued use of any drugs that could interact with the study drugs (i.e., atazanavir sulfate, diazepam, phenytoin, warfarin, tacrolimus hydrate, digoxin, methyldigoxin, itraconazole, gefitinib, voriconazole, antacids containing aluminium hydroxide gel and magnesium hydroxide, and clopidogrel) 9) Patients with a history of hypersensitivity to any components of proton pump inhibitor products 10) Patients who received a proton pump inhibitor within a week prior to endoscopy 11) Other patients judged by the physician to be inappropriate for this study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Esophageal endoscopic findings according to the LA classification | — |
Secondary
| Measure | Time frame |
|---|---|
| - Frequency and severity of acid reflux-related symptoms (heartburn, acid regurgitation) and dyspepsia-related symptoms (heavy stomach feeling, early satiety, epigastralgia, epigastric burning sensation) - Factors that may affect healing of lesions | — |
Countries
Japan