| 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 |
| Novel Approach to Surveillance of Gastric Lesions (NCT04251403) | New York Presbyterian Hospital | 2020-02-01 |
| AG & IM in CA Stomach Protocol (NCT04184960) | Chinese University of Hong Kong | 2019-12-05 |
| Screening of Gastric Cancer Via Breath Volatile Organic Compounds by Hybrid Sensing Approach (NCT04022109) | University of Latvia | 2019-11-01 |
| Image-Enhanced Endoscopy in the Gastrointestinal Tract (NCT04085211) | King's College Hospital NHS Trust | 2019-07-01 |
| The GAstric Precancerous Conditions Study (NCT04191551) | Stanford University | 2018-07-30 |
| Volatiles in Breath and Headspace Analysis - Diagnostic Markers (NCT03228095) | University of Latvia | 2017-07-24 |
| Linked Color Imaging to Differentiate H. Pylori Associated Gastritis and Gastric Atrophy (NCT02724280) | Affiliated Hospital to Academy of Military Medical Sciences | 2016-09-01 |
| Difference of Gastric Microbiota in the Process of Correa's Model. (NCT02833363) | Shandong University | 2016-07-01 |
| New Technology to Differentiate Normal Gastric Mucosa From Helicobacter Pylori Associated Gastritis and Gastric Atrophy (NCT02597517) | Instituto Ecuatoriano de Enfermedades Digestivas | 2015-11-01 |
| Endoscopic Surveillance on a High-risk Population for Gastric Cancer in Latin America: The ECHOS Cohort Study. (NCT05969444) | Pontificia Universidad Catolica de Chile | 2015-06-01 |
| Grading Atrophic Gastritis by Confocal Laser Endomicroscopy Probe (p-CLE) (NCT02351154) | Instituto Ecuatoriano de Enfermedades Digestivas | 2014-09-01 |
| Volatile Markers in Digestive Cancer (NCT02332213) | University of Latvia | 2014-01-01 |
| Usefulness of Serum Pepsinogen and Gastrin as the Predictive Biomarker of Atrophic Gastritis, Intestinal Metaplasia and Gastric Cancer in Korea (NCT02184910) | Yonsei University | 2013-12-01 |
| New Classification of Stomach Using Probe-based Confocal Laser Endomicroscopy (NCT01896310) | Shandong University | 2013-06-01 |
| Multicentric Randomized Study of H. Pylori Eradication and Pepsinogen Testing for Prevention of Gastric Cancer Mortality (NCT02047994) | International Agency for Research on Cancer | 2013-03-01 |
| Artificial Intelligence for Determination of Gastroscopy Surveillance Intervals (NCT05631015) | Xiuli Zuo | 2012-01-01 |
| OLGA and OLGIM Stage System for Gastric Cancer (NCT03380052) | Seoul National University Bundang Hospital | 2006-02-01 |