| Artificial Intelligence-assisted Confocal Laser Endomicroscopy Identification of Intestinal Metaplasia Severity (NCT05462743) | Shandong University | 2022-07-01 |
| Atrophic Gastritis and OLGIM Stage (NCT06585553) | Shandong University | 2022-07-01 |
| UC Davis Cohort of Pre-Malignant and Malignant Gastro-Intestinal DisEases Study (NCT05021029) | University of California, Davis | 2021-07-13 |
| Prediction of Gastric Cancer in Intestinal Metaplasia and Atrophic Gastritis (NCT04840056) | Chinese University of Hong Kong | 2021-04-15 |
| SUrveillance of PREMalignant Stomach - Individualized Endoscopic Follow-up (NCT04613570) | Instituto Portugues de Oncologia, Francisco Gentil, Porto | 2021-01-02 |
| Diagnosis of Gastritis, H. Pylori Infection and Atrophic Gastritis in Dyspeptic Patients (NCT04296513) | Instituto Ecuatoriano de Enfermedades Digestivas | 2020-03-01 |
| AG & IM in CA Stomach Protocol (NCT04184960) | Chinese University of Hong Kong | 2019-12-05 |
| Sensitivity of Targeted Biopsy Within Sydney Protocol for GIM (NCT04331951) | King Chulalongkorn Memorial Hospital | 2019-11-01 |
| Acetic Acid for the Detection of Esophageal Neoplasms (NCT04054713) | Coordinación de Investigación en Salud, Mexico | 2019-07-03 |
| Study on the Effect of Bile Reflux on Gastric Cancer and Its Precancerous Lesions: a Cross-sectional Study. (NCT03976739) | Xijing Hospital of Digestive Diseases | 2019-06-17 |
| Nitrous Oxide For Endoscopic Ablation of Refractory Barrett's Esophagus (NO FEAR-BE) (NCT03554356) | University of North Carolina, Chapel Hill | 2018-09-04 |
| Volatiles in Breath and Headspace Analysis - Diagnostic Markers (NCT03228095) | University of Latvia | 2017-07-24 |
| Gastric Cancer Precursor Lesions (GCPL) Study (NCT03188406) | National Cancer Institute (NCI) | 2017-05-02 |
| Helicobacter Pylori Genome Project (HpGP) (NCT02788214) | National Cancer Institute (NCI) | 2016-07-27 |
| Difference of Gastric Microbiota in the Process of Correa's Model. (NCT02833363) | Shandong University | 2016-07-01 |
| Oxidative Stress in Intestinal Metaplasia and Metabolic Syndrome (NCT02695186) | General Hospital of Filiates | 2016-02-01 |
| Stratifying Risk in Barrett's Esophagus: A Pilot Study for Biomarker-based Patient Management (NCT02075905) | University of North Carolina, Chapel Hill | 2014-03-01 |
| Volatile Markers in Digestive Cancer (NCT02332213) | University of Latvia | 2014-01-01 |
| Association Between Confocal Laser Endomicroscopic (CLE) Features and Gastric Mucosal Microbiome (NCT02063932) | Shandong University | 2013-12-01 |
| New Classification of Stomach Using Probe-based Confocal Laser Endomicroscopy (NCT01896310) | Shandong University | 2013-06-01 |
| Prevalence of Dysplasia of the Gastric Cardia (NCT01787864) | University of North Carolina, Chapel Hill | 2013-02-01 |
| Artificial Intelligence for Determination of Gastroscopy Surveillance Intervals (NCT05631015) | Xiuli Zuo | 2012-01-01 |
| Radiofrequency Ablation for Gastric Metaplasia and Dysplasia (NCT01614418) | The University of Hong Kong | 2011-09-01 |
| Comparison Between Probe-based Confocal Laser Endomicroscopy, White-light Endoscopy and Virtual Chromoendoscopy (NCT01398579) | National University Hospital, Singapore | 2011-09-01 |
| Is the Neosquamous Epithelium "Normal" Following Endoscopic Ablation of Dysplastic Barrett's Esophagus? (NCT01373125) | University of North Carolina, Chapel Hill | 2011-06-01 |
| Racial Disparity in Barrett's Esophagus (NCT01374074) | University of North Carolina, Chapel Hill | 2011-03-01 |
| Long-term Follow-up Prognosis of Atrophic Gastritis After 3 Years (NCT01824953) | Konkuk University Medical Center | 2010-01-01 |
| Gastric Cancer Screening Quality Improvement System Establishment (NCT02457624) | Seoul National University Hospital | 2008-03-01 |
| OLGA and OLGIM Stage System for Gastric Cancer (NCT03380052) | Seoul National University Bundang Hospital | 2006-02-01 |