| Not Yet Recruiting | Predicting Peptic Complications Using H. Pylori Serology and Gastric Ultrasound NCT07458490 | Assiut University | — |
| Not Yet Recruiting | The Effect of Vascular Imaging Devices on Success Rates of Peripheral Vascular Access in Pediatric Patients NCT07315711 | Sibel Seçkin Pehlivan | — |
| Recruiting | Saccharomyces Boulardii Combined With Bismuth Quadruple Therapy for Helicobacter Pylori Rescue Treatment NCT07139366 | Yongquan Shi | Phase 4 |
| Recruiting | Study to Evaluate the Efficacy and Safety of JP-1366 in the Prevention of NSAIDs-Induced Peptic Ulcers NCT06439563 | Onconic Therapeutics Inc. | Phase 3 |
| Recruiting | Treatment Efficacy of Regimens With and Without Bismuth in Children With Helicobacter Pylori-Associated Peptic NCT07260006 | Can Tho University of Medicine and Pharmacy | N/A |
| Completed | Ulcer Pomegranate Muffins NCT07123259 | University of Lahore | N/A |
| Recruiting | Study to Evaluate the Efficacy and Safety of Ilaprazole 10 mg in Prevention NSAIDs Associated Peptic Ulcer NCT06284876 | Il-Yang Pharm. Co., Ltd. | Phase 3 |
| 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 |
| Active Not Recruiting | To Develop Methods for the Rehabilitation of Chronic Gastroduodenal Pathology in Children. NCT04702542 | Tashkent State Medical University (Tashkent Pediatric Medical Institute), Uzbekistan | N/A |
| Completed | Study to Evaluate the Efficacy and Safety of DWP14012 in Prevention of NSAIDs Induced Peptic Ulcer NCT04784910 | Daewoong Pharmaceutical Co. LTD. | Phase 3 |
| Completed | Helicobacter Rescue Therapy With High-dose Esomeprazole and Amoxicillin Dual Therapy Versus Bismuth-containing NCT04678492 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Completed | Helicobacter Pylori Eradication With Probiotics Combined With Triple Therapy Versus Bismuth-containing Quadrup NCT05237115 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Completed | The Prevalence of Helicobacter Pylori in Shanghai, 2013 to 2019 NCT04636866 | Shanghai Jiao Tong University School of Medicine | — |
| Terminated | Effectiveness of GastimunHp Plus in Supporting the Treatment of Peptic Ulcer Disease With Helicobacter Pylori NCT04025983 | Institute of Gastroenterology and Hepatology, Vietnam | N/A |
| Unknown | Japanese Upper GI Symptoms Compared With Iranian and Canadian Patients Presenting NCT03868267 | Hamilton Health Sciences Corporation | — |
| Unknown | Volatiles in Breath and Headspace Analysis - Diagnostic Markers NCT03228095 | University of Latvia | — |
| Terminated | Proton Pump Inhibitor Plus Propranolol Versus Proton Pump Inhibitor Alone on Peptic Ulcer Healing in Patients NCT04140591 | Taipei Veterans General Hospital, Taiwan | Phase 2 / Phase 3 |
| Unknown | Helicobacter Pylori Antibiotic Susceptibility Testing of Korea NCT02961296 | Asan Medical Center | — |
| Unknown | Efficacy of Low Dose Intravenous Proton Pump Inhibitor for Peptic Ulcer Bleeding NCT03814421 | Samsung Changwon Hospital | N/A |
| Completed | The Pilot Study on Tailored Eradication Therapy According to Clarithromycin Resistance in H.Pylori Patients NCT02648659 | Kyungpook National University Hospital | Phase 4 |
| Completed | Helicobacter Pylori Eradication With Berberine Quadruple Therapy Versus Clarithromycin Quadruple Therapy NCT02633930 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Completed | The Drug-drug Interaction and Safety of Lafutidine and Irsogladine Maleate in Healthy Adult Volunteers NCT02581696 | Boryung Pharmaceutical Co., Ltd | Phase 1 |
| Unknown | WEI NASAL JET for The Sedation of Outpatient Upper Gastrointestinal Endoscopy NCT02436018 | RenJi Hospital | N/A |
| Completed | Bleeding Ulcer and Erosions Study "BLUE Study" NCT03367897 | Ostfold Hospital Trust | — |
| Completed | Efficacy and Safety of PMK-S005 in the Prevention of Recurrent Peptic Ulcer in Low-dose Aspirin Users NCT02342470 | PharmaKing | Phase 2 |
| Completed | Helicobacter Pylori Eradication With Berberine Quadruple Therapy Versus Bismuth-containing Quadruple Therapy NCT02296021 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Completed | Amoxicillin/Metronidazole Based Quadruple Therapy for Helicobacter Pylori Eradication NCT02175901 | Shanghai Jiao Tong University School of Medicine | Phase 4 |
| Unknown | Adverse Events During Upper Gastrointestinal Endoscopy NCT01979549 | RenJi Hospital | — |
| Completed | Postoperative Oral Nutritional Supplementation After Major Gastrointestinal Surgery NCT01838109 | Seoul National University Hospital | 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 | Efficacy/Safety Study as H. Pylori Eradication of Triple Therapy for 7 Days Treatment NCT02084420 | Il-Yang Pharm. Co., Ltd. | Phase 3 |
| Completed | Efficiency Study of Clarithromycin and Bismuth-containing Quadruple Therapy to Treat H.Pylori NCT01667575 | Shanghai Jiao Tong University School of Medicine | Phase 4 |
| Completed | Proton Pump Inhibitor Versus Histamine-2 Receptor Antagonist for the Prevention of Recurrent Peptic Ulcers NCT02551744 | Kaohsiung Veterans General Hospital. | N/A |
| Completed | Bismuth Improves the Efficacy of Levofloxacin-containing Triple Therapy for Helicobacter Pylori Treatment NCT01667718 | Shanghai Jiao Tong University School of Medicine | Phase 4 |
| Unknown | HEP-FYN 12-Years Follow-up NCT02001727 | Odense University Hospital | N/A |
| Completed | Efficacy of H2 Receptor Antagonist in Prevention of Thienopyridine-related Peptic Ulcer NCT02418312 | Kaohsiung Veterans General Hospital. | N/A |
| Completed | Clarithromycin Resistant Tailored Therapy NCT01453036 | Jin Il Kim | Phase 4 |
| Completed | H. Pylori Testing for Patients With Non-specific Upper Abdominal Pain in the Emergency Department NCT01376414 | George Washington University | — |
| Completed | Aizthromycin or Clarithromycin in H-pylori Eradication Regimen NCT01667692 | Shahid Sadoughi University of Medical Sciences and Health Services | Phase 4 |
| Completed | Rapid Urease Test for Diagnosis of H. Pylori Infection in Patients With Peptic Ulcer Bleeding NCT01282853 | Far Eastern Memorial Hospital | N/A |
| Completed | PPI vs H2RA in Patients With Helicobacter Pylori-Negative Idiopathic Bleeding Ulcers NCT01180179 | Chinese University of Hong Kong | Phase 4 |
| Completed | Feasibility of Translumenal Endoscopic Omental Patch Closure of Perforated Viscus NCT01080326 | Mayo Clinic | N/A |
| Completed | Early Selective TAE to Severely Bleeding Peptic Ulcers After Their Initial Endoscopic Hemostasis NCT01142180 | Chinese University of Hong Kong | N/A |
| Completed | Drop in Gastroscopy - Experience After 9 Months NCT00977678 | Norwegian Department of Health and Social Affairs | — |
| Completed | Different Dose of Intravenous Omeprazole to Treat Bleeding Ulcer With Adherent Clot NCT02536989 | Far Eastern Memorial Hospital | Phase 4 |
| Unknown | Peptic Ulcer Disease in Ischemic Heart Patients Taking Aspirin and Clopidogrel With or Without Proton Pump Inh NCT00854776 | Taipei Veterans General Hospital, Taiwan | N/A |
| Completed | Efficacy of Proton Pump Inhibitor in Prevention of Clopidogrel-related Peptic Ulcer NCT01138969 | Kaohsiung Veterans General Hospital. | Phase 2 |
| Completed | Diagnostic Value of Fecal Calprotectin in Disorders of the Upper Gastrointestinal Tract NCT00920400 | University Hospital, Basel, Switzerland | — |
| Unknown | High Dose Versus Standard Dose Proton Pump Inhibitor (PPI) in High-risk Bleeding Peptic Ulcers After Combined NCT00709046 | National Taiwan University Hospital | N/A |
| Completed | Effect of IV and Oral Esomeprazole in Prevention of Recurrent Bleeding From Peptic Ulcers After Endoscopic The NCT01142245 | Chinese University of Hong Kong | Phase 3 |
| Completed | A Comparison of Two Therapeutic Strategies for the Treatment of Aspirin-associated Peptic Ulcers NCT01353144 | Kaohsiung Veterans General Hospital. | Phase 4 |
| Terminated | TAE and Surgery in Patients With Peptic Ulcer Bleeding Uncontrolled by Endoscopic Therapy NCT00766961 | Chinese University of Hong Kong | N/A |
| Completed | Efficacy and Safety Study of HZT-501 in Reducing the Risk of Ibuprofen-associated Ulcers NCT00450658 | Amgen | Phase 3 |
| Unknown | The Revolutions of Helicobacter Pylori Infection, Bacterial Density, and Histological Features After Antrectom NCT00441831 | Mackay Memorial Hospital | — |
| Completed | Importance of Cytokines in Peptic Ulcer Disease: Implications for Treatment NCT00534443 | University of Athens | Phase 4 |
| Completed | AGN 201904 Versus Esomeprazole in the Prevention of Aspirin-induced Stomach or Upper Intestinal Damage in Heal NCT00325715 | Allergan | Phase 1 |
| Unknown | Compare Efficacy of Gastric Acid Suppression by Oral and Intravenous Administration of Esomeprazole in Patient NCT00471029 | Pamela Youde Nethersole Eastern Hospital | Phase 4 |
| Unknown | On-Demand Use of Pantoprazole: Determinants for Chronic Use of Acid Suppressive Medication NCT00161096 | UMC Utrecht | Phase 3 |
| Completed | Administration of High-Dose Intravenous Proton Pump Inhibitor for Upper Gastrointestinal Bleeding Prior to End NCT00164866 | Chinese University of Hong Kong | Phase 4 |
| Completed | A Comparison of Safety and Treatment in Subjects With Osteoarthritis Taking Low Dose Aspirin NCT00175032 | Takeda | Phase 3 |
| Completed | Natural History of Non-steroidal Anti-inflammatory Drug and Non-Helicobacter Pylori in Bleeding Peptic Ulcers NCT00153712 | Chinese University of Hong Kong | — |
| Completed | Study to Assess the Efficacy and Safety of Somatostatin in the Treatment of Acute Severe Upper Gastrointestina NCT00152399 | UCB Pharma | Phase 2 |
| Completed | Risk Factors for Gastric Disease in Pediatric Helicobacter Pylori (H. Pylori) NCT00212225 | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | — |
| Withdrawn | Esomeprazole Versus Pantoprazole to Prevent Peptic Ulcer Rebleeding NCT00881413 | Lotung Poh-Ai Hospital | Phase 4 |