Helicobacter Infections clinical trials
The registry lists 53 studies for Helicobacter Infections across more than 10 countries. 9 are recruiting or about to start. 45 of them are mainly about Helicobacter Infections (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-05.
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Breast cancer · Recruiting: 2 came in, 3 changed
What changed in your saved searches, Oct 31 – Nov 6:
A study of drug A after surgery for early breast cancer
Came in · now Recruiting
Drug B with hormone therapy in advanced breast cancer
Changed
· Sites: 4 added, including Seoul and Busan
· Enrollment: 300 → 450 participants
Exercise during chemotherapy
Now Active, not recruiting
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Who runs them
Seoul National University Bundang Hospital (5) · Il-Yang Pharm. Co., Ltd. (2) · Damascus Hospital (2) · National Taiwan University Hospital (2) · Shandong University (2) · MerLion Pharmaceuticals GmbH (2) · Hamamatsu University (2) · National Heart, Lung, and Blood Institute (NHLBI) (2)
What is being tested here
Drugs under test in Helicobacter Infections studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted
| Drug | Open | Phase 3 | All |
|---|---|---|---|
| Amoxicillin | 1 | 2 | 8 |
| Clarithromycin | 1 | 2 | 6 |
| Minocycline | 1 | 1 | 1 |
| Keverprazan | 1 | 1 | 1 |
| Vitamin D | 1 | 0 | 1 |
| Probiotic | 1 | 0 | 1 |
| Metronidazole | 0 | 2 | 4 |
| Rabeprazole | 0 | 1 | 3 |
| Lansoprazole | 0 | 1 | 2 |
| Esomeprazole | 0 | 1 | 2 |
Drug classes tested here Proton pump inhibitors (PPIs) 8
Coming up
Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.
All 4, phase 3 first
- Jun 2027Keverprazan-Minocycline Dual Therapy of Different Durations Versus Bismuth Quadruple Therapy for Helicobacter Pylori Eradication. · Phase 3 · Nanjing First Hospital, Nanjing Medical University
- Dec 2026Vonoprazan vs Proton Pump Inhibitor With Vitamin D or Probiotics Based Triple Therapy for Eradication of Helicobacter Pylori Infection · Tanta University
- Apr 2027The Efficacy of the 7 Days Tailored Therapy as the 1st Eradication of H. Pylori Infection · Seoul National University Bundang Hospital
- Jun 2027Clinical Trial to Evaluate the Efficacy of Probit-Based Triple Therapy for Helicobacter Pylori Eradication · Samsung Medical Center
Who these studies take
Of the 6 Helicobacter Infections studies recruiting now, 2 (33%) set no upper age limit and 2 (33%) stop at 75 or younger. 1 (17%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 4 (67%) take healthy volunteers.
| Age | Women | Men |
|---|---|---|
| 10 | 1 (17%) | 1 (17%) |
| 18 | 5 (83%) | 5 (83%) |
| 30 | 4 (67%) | 4 (67%) |
| 40 | 5 (83%) | 5 (83%) |
| 50 | 5 (83%) | 5 (83%) |
| 65 | 5 (83%) | 5 (83%) |
| 75 | 4 (67%) | 4 (67%) |
| 85 | 3 (50%) | 3 (50%) |
Across all 53 studies, recruiting or not: 43% stop at 75 or younger and 19% at 65; 23% take children; 0% are for women only and 6% for men only; 32% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.
What changed recently
From the registry's own updates since Oct 13, 2026.
Newly registered1
Studies
Recruiting first, then most recently updated. Showing 50 of 53. Browse all 53 → or search them.
- Keverprazan-Minocycline Dual Therapy of Different Durations Versus Bismuth Quadruple Therapy for Helicobacter Pylori Eradication.RecruitingNCT07904429Phase 31 country
- Efficacy Comparison of 10-Day High-Dose Versus 14-Day Standard-Dose Vonoprazan Plus Amoxicillin in Helicobacter Pylori Eradication: A Multicenter Non-Inferiority Randomized Controlled TrialNot yet recruitingNCT07720037Phase 4
- Vonoprazan vs Proton Pump Inhibitor With Vitamin D or Probiotics Based Triple Therapy for Eradication of Helicobacter Pylori InfectionRecruitingNCT07293910Phase 21 country
- The Prevalence and the Pathophysiological Role of Non-Helicobacter Pylori Helicobacter Spp. in Well-defined Gastric Diseases and (Pre-) MalignanciesRecruitingNCT077701261 country
- The Efficacy of the 7 Days Tailored Therapy as the 1st Eradication of H. Pylori InfectionRecruitingNCT02373280Not applicable1 country
- An Observational Study for Gastric Cancer in Carriers of High Risk Helicobacter PyloriRecruitingNCT068963701 country
- Clinical Trial to Evaluate the Efficacy of Probit-Based Triple Therapy for Helicobacter Pylori EradicationNot yet recruitingNCT07115173Phase 4
- A Comparison of Four Different Treatment Regimens of Helicobacter Pylori in Chinese ChildrenRecruitingNCT03365609Not applicable1 country
- Comparison of Keverprazan Hydrochloride-Amoxicillin Dual Therapy and Susceptibility-Guided Quadruple Therapy for Helicobacter Pylori Rescue TreatmentNot yet recruitingNCT06760065Phase 3
- Helicobacter Pylori Infection and Gastric Diseases in Lao PDR: First Community-Wide Population-Based StudyCompletedNCT073405931 country
- Helicobacter Pylori Prevalence in Southern Region of RomaniaCompletedNCT058749601 country
- Helicobacter Pylori Eradication to Prevent Gastric CancerActive, not recruitingNCT01133951Not applicable1 country
- The Efficacy of the 7 Days Tailored Therapy as 2nd Rescue Therapy for Eradication of H. Pylori InfectionTerminatedNCT02359331Not applicable1 country
- Comparing the Efficacy of WeChat-based Patient Education and Conventional Patient Education in the Management of Helicobacter Pylori EradicationCompletedNCT051866621 country
- Specimen Collection Study for H. Pylori TestingCompletedNCT029701101 country
- Association Between Helicobacter Pylori and Inflammatory Bowel DiseaseCompletedNCT038202841 country
- Effectiveness of Rifabutin for Treatment of Helicobacter PyloriStatus unknownNCT04652284Phase 3
- Comparison Efficacy of 14-day Concomitant Therapy:Clarithromycin vs.Levofloxacin in Eradication of H.PyloriWithdrawnNCT03021590Phase 41 country
- Intraluminal Therapy for Helicobacter Pylori InfectionCompletedNCT03124420Phase 41 country
- A Unique Regimen for Treatment of Helicobacter Pylori InfectionStatus unknownNCT03491995Phase 31 country
- Treating H. Pylori in Parkinson's Patients With Motor FluctuationsTerminatedNCT00664209Phase 31 country
- The Effect of Probiotic Combination on Helicobacter Pylori Infection in ChildrenWithdrawnNCT02645201Not applicable5 countries
- Comparison of Daily Single Dose Triple and Conventional Triple Therapies for Helicobacter Pylori InfectionCompletedNCT02711176Phase 41 country
- Comparison Efficacy of 14-day Triple Therapy: Clarithromycin vs. Levofloxacin on Eradication of H. PyloriStatus unknownNCT02693574Phase 41 country
- Efficacy and Safety of Quadruple Therapy in Eradication of H. Pylori: A Comparison to Triple TherapyCompletedNCT00669955Phase 31 country
- Helicobacter Pylori and Proton Pump InhibitorCompletedNCT024499411 country
- Comparison of 7-day and 14-day Bismuth Based Quadruple Therapy for Secondary Helicobacter Pylori EradicationCompletedNCT00841854Phase 41 country
- The Efficacy of the Tailored Therapy Based on Antimicrobial Susceptibility for 2nd Eradication of H. PyloriCompletedNCT02349685Not applicable
- Inflammation, Infection, and Future Cardiovascular RiskCompletedNCT00005496
- Infection and Cardiovascular DiseaseCompletedNCT00005547
- Dual Therapy With High Doses of Ilaprazole and Amoxicillin for Helicobacter Pylori InfectionCompletedNCT02401477Phase 41 country
- Comparison of Sequential or Concomitant Therapy for Helicobacter Pylori InfectionCompletedNCT00656968Phase 41 country
- Efficacy and Safety of Basic Triple Therapy Including Ilaprazole on the First Line Eradication Treatment of H.PyloriCompletedNCT023527011 country
- Efficacy on Helicobacter Pylori Eradication With Two Antibiotic RegimensCompletedNCT02395458Phase 4
- Study of Pylopass Versus Placebo in Subjects Who Are Helicobacter Pylori Carriers and With Mild IndigestionCompletedNCT02051348Phase 2/31 country
- Endofaster Test for Helicobacter Pylori Detection in Patients on Proton Pump Inhibitor TherapyStatus unknownNCT021267221 country
- Safety and Efficacy Study of a Non-antibiotic Treatment for the Eradication of Helicobacter PyloriTerminatedNCT01109381Phase 1/21 country
- A Trial of Standard vs Half Dose Rabeprazole, Clarithromycin, Metronidazole and Amoxicillin in the Treatment of Helicobacter Pylori InfectionCompletedNCT01219764Phase 41 country
- Efficacy of High Dose Dual Therapy, Sequential Therapy and Triple Therapy in H. Pylori EradicationCompletedNCT01163435Phase 41 country
- Eradication Rates of Helicobacter Pylori and Its Affecting FactorsCompletedNCT019225051 country
- Long-term Follow up Helicobacter Pylori Reinfection Rate After Second-Line Treatment: Bismuth-Containing Quadruple Therapy Versus Moxifloxacin-Based Triple TherapyCompletedNCT01792700Phase 41 country
- Standard Triple Therapy vs Sequential Therapy in Treatment of H Pylori InfectionStatus unknownNCT01723059Not applicable1 country
- Levofloxacin Versus Clarithromycin Triple Therapy in First-Line Treatment for Helicobacter Pylori EradicationCompletedNCT00816140Phase 41 country
- Study of the Safety and Effectiveness of Rabeprazole in Treatment of Helicobacter Pylori Infection in Adults.CompletedNCT00216450Phase 4
- Risk Factors for Gastric Disease in Pediatric Helicobacter Pylori (H. Pylori)CompletedNCT002122251 country
- Helicobacter Pylori Eradication Trial to Reduce Iron Deficiency in ChildrenCompletedNCT00364104Phase 31 country
- Efficacy and Safety Study of Finafloxacin Used in Helicobacter Pylori Infected PatientsCompletedNCT00723502Phase 21 country
- First Time in Man Study of Finafloxacin HydrochlorideCompletedNCT00483158Phase 11 country
- Helicobacter Pylori and Dry EyeCompletedNCT000832911 country
- Breath Ammonia Method for H. Pylori Detection: Phase IICompletedNCT00194688Phase 21 country