| 2004 | | A pilot study on duodenal acid exposure and its relationship to symptoms in functional dyspepsia with prominent nausea. | 이광재 |
| 2012 | | Asian consensus report on functional dyspepsia | 이광재 |
| 2015 | | Association of the Extent of Atrophic Gastritis With Specific Dyspeptic Symptoms. | 양민재, 이광재, 임선교 |
| 2006 | | Dietary influence on electro-gastrography and association of alterations in gastric myoelectrical activity with symptoms in patients with functional dyspepsia. | 김진홍, 이광재, 조성원 |
| 2006 | | Dyspeptic symptoms associated with hypersensitivity to gastric distension induced by duodenal acidification. | 김진홍, 이광재, 조성원 |
| 2021 | | Efficacy and safety of DWJ1252 compared with gasmotin in the treatment of functional dyspepsia: A multicenter, randomized, double-blind, active-controlled study | 이광재 |
| 2006 | | Efficacy and safety of ecabet sodium on functional dyspepsia: a prospective, double-blinded, randomized, multi-center controlled trial. | 이은현, 함기백 |
| 2018 | | Efficacy and Safety of UI05MSP015CT in Functional Dyspepsia: A Randomized, Controlled Trial | 이기명 |
| 2016 | | Efficacy of DA-9701 (Motilitone) in Functional Dyspepsia Compared to Pantoprazole: A Multicenter, Randomized, Double-blind, Non-inferiority Study | 이광재 |
| 2021 | | Multicenter, Randomized, Placebo-controlled Trial to Evaluate the Efficacy and Safety of a Controlled-release, Once-daily UIC201609/UIC201610 Combination Therapy for Functional Dyspepsia: Preliminary Study | 이광재 |
| 2005 | | Pathophysiology and treatment of functional dyspepsia. | 이광재 |
| 2004 | | Pathophysiology of functional dyspepsia. | 이광재 |
| 2005 | | Prevalence of acid reflux in functional dyspepsia and its association with symptom profile. | 이광재 |
| 2013 | | The effect of acute auditory stress on gastric motor responses to a meal in healthy volunteers. | 강준구, 안영실, 유준환, 이광재 |
| 2020 | | The Effect of Ursodeoxycholic Acid on Small Intestinal Bacterial Overgrowth in Patients with Functional Dyspepsia: A Pilot Randomized Controlled Trial | 김광민, 김규남, 김범택 |
| 2017 | | The NO/cGMP pathway in duodenal motor, mechano- and chemosensory responses to acid: A randomized, placebo-controlled study with sildenafil in healthy volunteers | 이광재 |
| 2021 | | The usefulness of symptom-based subtypes of functional dyspepsia for predicting underlying pathophysiologic mechanisms and choosing appropriate therapeutic agents | 이광재 |
