| Not Yet Recruiting | Esomeprazole Plus Sucralfate for Post-ESD Ulcer Healing NCT07312370 | LanZhou University | Phase 4 |
| Not Yet Recruiting | A Multicentre Prospective Cohort Study of The Gastric Precancerous Epithelial Pathway Using High-Definition En NCT07486518 | Asian Institute of Gastroenterology, India | — |
| Not Yet Recruiting | Comparison of the Sensitivity of pCLE and Pathological Biopsy for Gastric Mucosal Lesions NCT07507071 | Changhai Hospital | — |
| Not Yet Recruiting | Sentinel Node Resection With or Without LECS After Noncurative ESD for EGC NCT07295002 | Region Stockholm | N/A |
| Recruiting | Distribution Characteristics of Helicobacter Pylori NCT07253948 | Jilin University | — |
| Not Yet Recruiting | A Predictive Model Based on Narrow Band Imaging for Early Gastric Cancerous Lesions NCT02968069 | Shanghai Jiao Tong University School of Medicine | N/A |
| Recruiting | Evaluation of the Effectiveness of Managing Chemotherapy Side Effects Using ePRO and a Standardized Telenursin NCT07405931 | Ulsan University Hospital | N/A |
| Enrolling By Invitation | Explainable Machine Learning for Predicting Early Gastric Cancer NCT07047937 | Wenzhou Central Hospital | — |
| Recruiting | Magnetic Guided Counetrtraction During Endoscopic Submucosal Dissection NCT06962293 | Chinese University of Hong Kong | N/A |
| Recruiting | Safety and Efficacy of Traction Robot-assisted Endoscopic Submucosal Dissection for Early Gastric Cancer NCT06748352 | Shandong University | N/A |
| Recruiting | Comparison of pCLE and EB in Gastric Lesion Diagnosis NCT06389448 | Huazhong University of Science and Technology | N/A |
| Recruiting | Fluorescence Guided Laparoscopic-Endoscopic Cooperative Sentinel Lymph Node Navigation Surgery Strategy for Ea NCT06788548 | Beijing Friendship Hospital | N/A |
| Unknown | Confocal Laser Microendoscopy (CellTouch) for the Diagnosis of Early Gastric Cancer: A Multicenter Clinical St NCT06152783 | Changhai Hospital | — |
| Completed | A Clinical Trial to Evaluate the Sensitivity and Specificity of "WAYMED Endo" Compared to the Endoscopists in NCT06317103 | WAYCEN Inc | — |
| Not Yet Recruiting | Feasibility Study of Sentinel Navigation Surgery in Early Gastric Cancer Using Fluorescence (SENORITA4) NCT05978882 | National Cancer Center, Korea | N/A |
| Unknown | Short-term Outcomes of Laparoscopic Versus Open Gastrectomy With Lymph Node Dissection for Early Gastric Cance NCT05707338 | Sohag University | N/A |
| Unknown | A Study on the Potential Benefit of Neoadjuvant Therapy for AGC Patients NCT05442138 | Henan Cancer Hospital | — |
| Recruiting | The Relationship Between Scar Formation and ESD Depth in Therapy for Gastric Carcinoma NCT05323929 | Second Affiliated Hospital, School of Medicine, Zhejiang University | N/A |
| Terminated | EndoscoPic Submucosal dIssection Using geL Versus glycerOl for Submucosal iNjection NCT04977401 | Erasme University Hospital | N/A |
| Unknown | Early Detection of Gastric Cancer Using Plasma Cell-free DNA Fragmentomics NCT05269056 | Zhejiang Cancer Hospital | — |
| Not Yet Recruiting | Indocyanine Green Tracer Using in Laparoscopic Distal Gastrectomy for Early Gastric Cancer NCT04973475 | Fujian Medical University | Phase 2 |
| Completed | BLI for the Diagnosis of Precancerous Conditions NCT04768218 | Instituto Portugues de Oncologia, Francisco Gentil, Porto | — |
| Recruiting | Clinical Application of Genetic Sequencing of Early Gastric Cancer and Gastric Adenoma Patients NCT04665687 | Samsung Medical Center | — |
| Completed | Setting the Shortest Examination Time of Gastroscopy to Improve the Detection Rate of Upper Gastrointestinal T NCT04602299 | Changhai Hospital | N/A |
| Completed | Fibrin Glue After ESD for High Risk Patients of Bleeding NCT04602689 | Seoul National University Hospital | N/A |
| Recruiting | Screening for Early Gastric Cancer in Shaanxi Province NCT05291728 | Second Affiliated Hospital of Xi'an Jiaotong University | — |
| Unknown | The Diagnostic Ability of White Light Endoscopy and Magnifying Endoscopy With Optical Enhancement System NCT04411589 | Shandong University | N/A |
| Completed | RCT of Gastric ESD With or Without Epineprhine Added Solution NCT04032119 | Chinese University of Hong Kong | Phase 3 |
| Unknown | Comparison of Diagnostic Performance of Medical Monitor and Medical Augmented Reality Glasses in Endoscopy: Ob NCT04083573 | National Cancer Center, Korea | — |
| Completed | Linked Color Imaging vs White Light Imaging for Detection of Gastric Cancer Precursors NCT03990025 | Changi General Hospital | N/A |
| Not Yet Recruiting | Endoscopic Submucosal Dissection Versus Surgery in the Treatment of Early Gastric Cancer NCT03857737 | Peking University Third Hospital | N/A |
| Unknown | Magnifying Endoscopy With Narrow Band Imaging Versus Endoscopic Ultrasonography for Prediction of Tumor Invasi NCT03546257 | Yonsei University | — |
| Completed | Submucosal Pressure Ejection Endoscopic Dissection for Early Gastric Cancer: a Retrospective Cohort Study NCT07453433 | Shanghai East Hospital | — |
| Completed | Water-injecting Endoscopic Submucosal Dissection for Early Gastric Cancer: a Retrospective Cohort Study NCT07244471 | Shanghai East Hospital | — |
| Unknown | Non-exposure Simple Suturing EFTR (NESS-EFTR) With Laparoscopic Sentinel Lymph Node Navigation for EGC (Senori NCT03837301 | National Cancer Center, Korea | Phase 2 |
| Unknown | Verifying the Specificity of a New Method in Predicting Lymph Node Metastasis in Early Gastric Cancer Patients NCT03632746 | Zhaode Bu, MD | — |
| Unknown | Application of Linked Color Imaging（LCI） in Diagnosis of Early Gastric Cancer(EGC) NCT03661671 | Changhai Hospital | N/A |
| Completed | Pure Single Incision Laparoscopic Distal Gastrectomy (SIDG) Versus Totally Laparoscopic Distal Gastrectomy (TL NCT01938326 | Seoul National University Bundang Hospital | N/A |
| Unknown | Laparoscopy-assisted Pylorus-vagus Nerve Preserving Gastrectomy in the Treatment of Early Gastric Cancer NCT02936193 | RenJi Hospital | N/A |
| Unknown | Pilot Study of Non-exposure Simple Suturing EFTR With Sentinel Lymph Node Navigation for EGC (Senorita3-pilot) NCT03216174 | National Cancer Center, Korea | N/A |
| Completed | Feasibility Study of Sentinel Navigation Surgery After Non-curative Endoscopic Resection NCT03123042 | National Cancer Center, Korea | N/A |
| Unknown | Gastric Cancer Sentinel Lymph Node Mapping NCT03049345 | McGill University Health Centre/Research Institute of the McGill University Health Centre | N/A |
| Unknown | the Train the Trainer (TTT) Plan, to Improve the Young Endoscopist's Ability to Find the Early Gastric Cancer NCT02385578 | Shanghai Zhongshan Hospital | N/A |
| Completed | The Effect of Proton Pump Inhibitor and Polaprezinc Combination Therapy for Healing of Endoscopic Submucosal D NCT02243618 | Yonsei University | N/A |
| Unknown | Endoscopic Ultrasonographic Staging and Conventional Endoscopic Staging for Depth of Invasion for Early Gastri NCT01832246 | Seoul National University Hospital | — |
| Completed | Effect of Midazolam Premedication on the Satisfaction Levels of Patients After Endoscopic Submucosal Dissectio NCT02504164 | Yonsei University | N/A |
| Completed | Magnetic-controlled Capsule Endoscopy vs. Gastroscopy for Detection of Gastric Diseases NCT02219529 | Changhai Hospital | Phase 3 |
| Unknown | Difference in H. Pylori Infection Rate of EGC Patients Before and After Endoscopic Resection NCT02090062 | Shanghai Jiao Tong University School of Medicine | — |
| Unknown | The Feasible Research of Infrared Endoscope to Diagnose Early Gastric Cancer NCT02710838 | Xijing Hospital of Digestive Diseases | N/A |
| Unknown | Endoscopic Submucosal Dissection Combine With Laparoscopic Regional Lymph Node Dissection for Early Gastric Ca NCT02325999 | Beijing Friendship Hospital | EARLY_Phase 1 |
| Completed | Usefulness of Probe-based Confocal Laser Endo-microscopy in Delineation of Margin of Early Gastric Cancer for NCT02189226 | Yonsei University | N/A |
| Completed | Necessity Assessment of ME-NBI Targeted Biopsy Compared With EFB NCT02738294 | Shanghai Jiao Tong University School of Medicine | N/A |
| Completed | OLGA Stage is More Appropriate in Predicting Early Gastric Cancer NCT02562976 | Shanghai Jiao Tong University School of Medicine | — |
| Completed | Multicenter Phase III Trial of Laparoscopic Sentinel Node Biopsy NCT01804998 | National Cancer Center, Korea | N/A |
| Completed | Performance of Endoscopic Submucosal Dissection According to the Sedation Method NCT01806753 | Yonsei University | N/A |
| Unknown | Detection of Methylated Reprimo in Plasma for Asymptomatic Gastric Cancer NCT01774266 | Pontificia Universidad Catolica de Chile | — |
| Unknown | Does Early Re-administration of Aspirin/Clopidogrel Increase the Risk of Bleeding From Artificial Ulcer After NCT01621451 | Asan Medical Center | Phase 4 |
| Completed | Effect of Gastrectomy and Anastomosis on Diabetes and Hypertension in Early Gastric Cancer Patients NCT01643811 | National Cancer Center, Korea | — |
| Completed | Conventional Biopsies vs pCLE for Diagnosis of Superficial Gastric Neoplasia NCT01688687 | Soonchunhyang University Hospital | — |
| Completed | Quality Control Study of Laparoscopic Sentinel Node Biopsy in Early Gastric Cancer NCT01544413 | National Cancer Center, Korea | N/A |
| Unknown | Artificial Intelligence for Determination of Gastroscopy Surveillance Intervals NCT05631015 | Xiuli Zuo | — |
| Unknown | Phase II Study for Robot Assisted Distal Gastrectomy NCT01504997 | Shizuoka Cancer Center | Phase 2 |
| Completed | Monitored Anesthesia Care With Propofol Plus Remifentanil During Endoscopic Submucosal Dissection: Evaluation NCT01921283 | Yonsei University | N/A |
| Completed | Nexium Capsules Helicobacter Pylori Specific Clinical Experience Investigation NCT01435525 | AstraZeneca | — |
| Completed | Pharmacokinetics of Anti-tuberculosis Drugs in Gastrectomized Patients NCT01364324 | National Cancer Center, Korea | — |
| Unknown | Efficacy and Safety Study of Endoscopic Submucosal Dissection for Early Gastric Cancer NCT01132469 | National Evidence-Based Healthcare Collaborating Agency | N/A |
| Unknown | Gastric Cancer Screening and Alarm Symptoms in Early Gastric Cancer NCT01659632 | The Catholic University of Korea | — |
| Completed | Prospective Randomized Trial Comparing Endoscopic Submucosal Dissection Against Laparoscopic Assisted Gastrect NCT03136354 | Chinese University of Hong Kong | N/A |
| Active Not Recruiting | Effects of H. Pylori Eradication on the Gastric Preneoplastic Lesion and Neoplasm After ESD NCT02407119 | National Cancer Center, Korea | Phase 3 |
| Completed | Endoscopic Submucosal Dissection Versus Gastrectomy NCT02216110 | Soonchunhyang University Hospital | — |