| Not Yet Recruiting | A Clinical Trial to Assess the Pharmacokinetics and Safety of AD-229 Compared to AD-2291 in Healthy Adults NCT07385248 | Addpharma Inc. | Phase 1 |
| Recruiting | Saccharomyces Boulardii Combined With Bismuth Quadruple Therapy for Helicobacter Pylori Rescue Treatment NCT07139366 | Yongquan Shi | Phase 4 |
| Not Yet Recruiting | Comparison of the Sensitivity of pCLE and Pathological Biopsy Before ESD NCT07088744 | Changhai Hospital | — |
| Recruiting | A Cohort Study of Mobile Capsule Gastroscopy for Gastric Pathologies Screening NCT07032961 | Nanfang Hospital, Southern Medical University | — |
| Recruiting | Efficacy and Safety of FEXUCLUE Tab. In Patients With Acute or Chronic Gastritis NCT06948487 | Daewoong Pharmaceutical Co. LTD. | — |
| Completed | Establishment and Effectiveness Evaluation of a Training System for Confocal Laser Endomicroscopy NCT06981819 | Changhai Hospital | — |
| Not Yet Recruiting | Helicobacter Pylori Gastritis and Its Relation to Metabolic Syndrome Components NCT06935955 | Assiut University | — |
| Recruiting | Capsule Gastric Endoscopy for Gastric Disease Screening in Simulated Home Scenarios NCT06848400 | Nanfang Hospital, Southern Medical University | N/A |
| Completed | 7 Days vs. 14 Days of Vonoprazan-based Triple Therapy for H. Pylori Eradication NCT06576882 | Alexandria University | Phase 3 |
| Completed | Evaluation of Microbial Status in Gastritis Patients in Different Periodontal Conditions NCT07378540 | Aydin Adnan Menderes University | — |
| Completed | Effects of High-dose Dual Therapy and Bismuth Quadruple Therapy for Helicobacter Pylori Eradication on Intesti NCT05742568 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Terminated | Systems Biology of Gastrointestinal and Related Diseases NCT05579444 | Viome | — |
| Completed | Efficacy and Safety of Houtou Jianweiling Tablet in the Treatment of Chronic Non-Atrophic Gastritis NCT04672018 | University of Karachi | Phase 2 |
| Unknown | Sedation Level on Machine Learning With Electroencephalogram in Painless Gastroenteroscopy Patients NCT05545397 | General Hospital of Ningxia Medical University | — |
| Unknown | HFNO Reduces Hypoxia During Sedated Gastroscopy or Colonoscopy in High Risk Patients NCT05510388 | RenJi Hospital | N/A |
| Completed | To Evaluate Improvement Effect of Subjective Symptoms of Mucotra SR Tablet in Patients With Gastritis NCT06668506 | Daewoong Pharmaceutical Co. LTD. | — |
| Completed | Clinical Trial to Compare Rebamipide/Nizatidine Combination Therapy With Nizatidine Monotherapy in Patients Wi NCT05072938 | Daewoong Pharmaceutical Co. LTD. | Phase 4 |
| Completed | Study to Evaluate the Efficacy and Safety of HIP2101 in Patients With Acute or Chronic Gastritis NCT05024721 | Hanmi Pharmaceutical Company Limited | Phase 3 |
| Unknown | Comparison Between High-dose Amoxicillin Dual Therapy and Pylera Quadruple Therapy in the Treatment of Helicob NCT05100446 | Unidade Local de Saúde do Alto Ave, EPE | EARLY_Phase 1 |
| Completed | MAGNET (Magnetically Controlled Capsule for Assessment of Gastric Mucosa in Symptomatic Patients) NCT04724291 | George Washington University | N/A |
| Completed | Helicobacter Rescue Therapy With High-dose Esomeprazole and Amoxicillin Dual Therapy Versus Bismuth-containing NCT04678492 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Unknown | Endoscopic Findings of Gastritis in Children NCT04289519 | Assiut University | — |
| Completed | Clinical Trial to Evaluate the Safety and Pharmacokinetic/Pharmacodynamic Characteristics of DW1903 NCT05155072 | Daewon Pharmaceutical Co., Ltd. | Phase 1 |
| Completed | Helicobacter Pylori Eradication With Probiotics Combined With Triple Therapy Versus Bismuth-containing Quadrup NCT05237115 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Completed | Diagnosis of Gastritis, H. Pylori Infection and Atrophic Gastritis in Dyspeptic Patients NCT04296513 | Instituto Ecuatoriano de Enfermedades Digestivas | — |
| Completed | A Clinical Trial to Evaluate the Efficacy and Safety of CKD-495 NCT04255589 | Chong Kun Dang Pharmaceutical | Phase 3 |
| Completed | A Study to Compare PK, PD and Safety of the AD-206 and Esomeprazole NCT03980756 | Addpharma Inc. | Phase 1 |
| Completed | Helicobacter Pylori Eradication With Clostridum Butyricum Capsule and Bacillus Coagulans Tablets NCT03857425 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Completed | Helicobacter Rescue Therapy With Berberine Plus Amoxicillin Quadruple Therapy Versus Tetracycline Plus Furazol NCT03609892 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Unknown | Safety Trial of Herbal Melanin in Gastritis Patients NCT03428568 | King Abdullah International Medical Research Center | Phase 2 |
| Completed | Clinical Trial to Evaluate the Efficacy and Safety of CKD-495 Tablet NCT03437785 | Chong Kun Dang Pharmaceutical | Phase 2 |
| Unknown | [KJ-INT-002] BE Study NCT03509831 | Kukje Pharma | Phase 1 |
| Terminated | Efficacy and Safety of DWC20155/DWC20156 Combination Therapy in Patients With Gastritis NCT03184415 | Daewoong Pharmaceutical Co. LTD. | Phase 3 |
| Unknown | A Multi-center Study for Eradication of Helicobacter Pylori With Triple Therapy Using Clarithromycin NCT02923856 | Sanmen People's Hospital | N/A |
| Unknown | Helicobacter Pylori Antibiotic Susceptibility Testing of Korea NCT02961296 | Asan Medical Center | — |
| Completed | Linked Color Imaging to Differentiate H. Pylori Associated Gastritis and Gastric Atrophy NCT02724280 | Affiliated Hospital to Academy of Military Medical Sciences | N/A |
| Unknown | A Relevance Study Between the Result of Clinical Drug Intervention and Next-generation Sequencing Technology F NCT02806674 | The University of Hong Kong-Shenzhen Hospital | N/A |
| Completed | Gastric and Duodenal Microbiota in Dyspeptic Subjects NCT02542579 | Konkuk University Medical Center | — |
| Unknown | A Multi-center Study for Eradication of Refractory Helicobacter Pylori NCT02741414 | Taizhou Hospital | N/A |
| Unknown | A Multi-center Study for Individual Treatment of Helicobacter Pylori Infection NCT02689583 | First Affiliated Hospital of Zhejiang University | N/A |
| Completed | Helicobacter Pylori Eradication With Berberine Quadruple Therapy Versus Clarithromycin Quadruple Therapy NCT02633930 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Completed | New Technology to Differentiate Normal Gastric Mucosa From Helicobacter Pylori Associated Gastritis and Gastri NCT02597517 | Instituto Ecuatoriano de Enfermedades Digestivas | — |
| Completed | Effect of ALBIS on Gastroduodenal Mucosal Injury in Patients Receiving Dual Antiplatelet Therapy After Percuta NCT02175186 | Young-Hak Kim, MD, PhD | Phase 4 |
| Completed | Prevalence of H. Pylori Gastritis in Sleeve Gastrectomy Specimens NCT05101395 | University of Jordan | — |
| Completed | BEKINDA (Ondansetron 24 mg Bimodal Release Tablets) for Vomiting Due to Presumed Acute Gastroenteritis or Gast NCT02246439 | RedHill Biopharma Limited | Phase 3 |
| Completed | Helicobacter Pylori Eradication With Berberine Quadruple Therapy Versus Bismuth-containing Quadruple Therapy NCT02296021 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Suspended | Genomic Resources for Enhancing Available Therapies (GREAT1.0) Study NCT04306939 | University of Pittsburgh | — |
| Completed | i-Scan for the Detection of Helicobacter Pylori NCT02385045 | Imperial College London | N/A |
| Unknown | Phase II Study to Evaluate the Efficacy and Safety of GC6101A in Subjects With Gastritis NCT02353039 | Green Cross Corporation | Phase 2 |
| Completed | Frequent Ketamine Use and Gastrointestinal, Liver and Biliary Sequelae NCT02165488 | The University of Hong Kong | — |
| Completed | A Pilot Study to Determine the Relative Bioavailability of Mosapride 5mg From Two Candidate Formulations of GR NCT02201316 | GlaxoSmithKline | Phase 1 |
| Completed | Levofloxacin-Doxycycline for Helicobacter Pylori Eradication in Saudi Arabia NCT02884713 | King Faisal Specialist Hospital & Research Center | N/A |
| Completed | Residual Gastric Volume After the Ingestion of a Beverage Containing Carbohydrates Plus Whey Protein NCT01828645 | Federal University of Mato Grosso | Phase 2 / Phase 3 |
| Completed | A Clinical Trial to Investigate the Safety, Tolerability, Pharmacokinetics, and Food Effect of PMK-S005 After NCT01762397 | PharmaKing | Phase 1 |
| Completed | Clinical Effect of Rebamipide on Chronic Gastritis NCT02393430 | BangMao Wang | Phase 4 |
| Completed | Analysis of Biopsies From the Upper Gastrointestinal Tract NCT01576289 | Medical University of Graz | — |
| Completed | H. Pylori Testing for Patients With Non-specific Upper Abdominal Pain in the Emergency Department NCT01376414 | George Washington University | — |
| Completed | Propofol Versus Midazolam With Fentanyl for EGD Endomicroscopy NCT01053871 | Shandong University | N/A |
| Completed | Study of the Chinese Prescription Weiqi Decoction on Chronic Atrophic Gastritis NCT00920712 | Shanghai University of Traditional Chinese Medicine | N/A |
| Completed | Is a Reporting System for Gastritis or Duodenitis (Modified Lanza Scale) Reproducible? NCT00852150 | Ruttonjee Hospital | — |
| Unknown | The Metabolic Contribution of the Human Microbiota to Resting Energy Expenditure NCT00487955 | Tel-Aviv Sourasky Medical Center | — |
| Unknown | The Revolutions of Helicobacter Pylori Infection, Bacterial Density, and Histological Features After Antrectom NCT00441831 | Mackay Memorial Hospital | — |
| Completed | Comparison of Acid Reflux at Two Levels in the Esophagus Using the BRAVO Capsule NCT00579410 | VA Office of Research and Development | — |
| Unknown | Second Line Therapy for the Cure of Helicobacter Pylori (H. Pylori) Infection NCT00197418 | Hamamatsu University | Phase 2 / Phase 3 |
| Unknown | Tailored Treatment of H. Pylori Infection Based Polymorphisms of CYP2C19 and 23S rRNA of H. Pylori NCT00149084 | Hamamatsu University | Phase 3 |
| Completed | Data Bank for Eosinophilic Disorders NCT00267475 | Marc Rothenberg | — |
| Completed | Safety and Immunogenicity of Chiron's Investigational H. Pylori Vaccine in Healthy Adults NCT00613665 | Novartis Vaccines | Phase 1 |
| Completed | Helicobacter Pylori Eradication With a New Sequential Treatment NCT00132171 | IRCCS Azienda Ospedaliero-Universitaria di Bologna | Phase 3 |
| Completed | Risk Factors for Gastric Disease in Pediatric Helicobacter Pylori (H. Pylori) NCT00212225 | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | — |