Efficacy of Imipramine for Treatment of Patients With Esophageal Hypersensitivity/ Functional Heartburn

Esophageal hypersensitivity/Functional heartburn are common among non-erosive reflux disease (NERD) patients who do not response to proton pump inhibitors. Whether tricyclic antidepressant improves NERD patient's symptoms remains unknown Aim of this randomized controlled trial study is to determine the efficacy of imipramine, which could increase esophageal pain thresholds in healthy volunteers, in comparison with placebo for treatment patients with esophageal hypersensitivity or functional heartburn evaluated by improvement of specific-symptom score and quality of life