| Reinfection After Eradication of Helicobacter Pylori Infection (NCT02674802) | The First Affiliated Hospital of Nanchang University | 2015-12-01 |
| High Dose Dual Therapy (HDDT) for Eradication of Helicobacter Pylori Infection (NCT02553083) | Rabin Medical Center | 2015-10-22 |
| Bleeding Ulcer and Erosions Study "BLUE Study" (NCT03367897) | Ostfold Hospital Trust | 2015-03-01 |
| Epidemiology of Helicobacter Pylori Infection Among Shanghai Children (NCT02160860) | Children's Hospital of Fudan University | 2014-05-01 |
| Rifaximin Associated With Classic Triple Therapy for the Eradication of Helicobacter Pylori Infection (NCT03124199) | Fundación de Investigación Biomédica - Hospital Universitario de La Princesa | 2014-02-01 |
| POCone-UBiT-IR300 Pediatric Comparison Study (NCT01623154) | Otsuka America Pharmaceutical | 2012-07-01 |
| Changes Associated With H. Pylori and Gastric Carcinogenesis (NCT02164409) | Weill Medical College of Cornell University | 2012-07-01 |
| Helicobacter Eradication Aspirin Trial (NCT01506986) | University of Nottingham | 2012-03-01 |
| RCT: Triple vs Sequential vs Concomitant Therapy H Pylori (NCT02092506) | Changi General Hospital | 2011-12-01 |
| The Impact of Helicobacter Pylori Infection on Immune Regulation and Clinical Course in HIV Patients in Ghana (NCT01897909) | Bernhard Nocht Institute for Tropical Medicine | 2011-11-01 |
| Increased Re-eradication Rate of Helicobacter Pylori by Adding N-acetylcystein or Metronidazole to the Triple Therapy (NCT01572597) | Buddhist Tzu Chi General Hospital | 2011-06-01 |
| Resistance of Helicobacter Pylori to Antibiotics in Children (NCT01902589) | HaEmek Medical Center, Israel | 2010-12-01 |
| Helicobacter Pylori and the Long-term Risk of Peptic Ulcer Bleeding (NCT01591486) | Chinese University of Hong Kong | 1995-01-01 |