Clinical trials
H. Pylori Infection clinical trials
Below are recruiting h. pylori infection clinical trials, each written for real people, not researchers. We’re tracking 49 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07574879RecruitingPhase 1
H. pylori Treatment Effects on COPD Symptoms
This study tests whether treating a stomach bacteria infection (H. pylori) can improve breathing and lung function in people with COPD. Researchers want to see if eliminating this bacteria helps reduce COPD symptoms.
Zagazig, ElsharkiaAges 40 years+ - NCT06682533Recruiting
Comparing tegoprazan and PPI for H. pylori treatment
This trial compares two different types of stomach-acid-lowering medicines — tegoprazan and a proton pump inhibitor (PPI) — to see which works better at clearing H. pylori infection. It's for people who have not been treated for H. pylori before and can safely have a stomach scope.
SeoulAges 20–80 - NCT07285096Recruiting
New quadruple therapy for H. pylori infection
This trial tests a combination of four medications to treat H. pylori, a bacteria that can cause stomach ulcers and other issues. The goal is to see if this newer therapy works well for people who are infected.
JinanAges 18–70 - NCT02047994RecruitingPhase 4
Testing and treatment for H. pylori to prevent stomach cancer death
This trial studies whether testing for an infection called H. pylori and using simple blood/screening tests (pepsinogen testing) can help prevent stomach cancer and reduce stomach-cancer-related deaths. You would be followed for health outcomes to see if the approach works better than standard care.
RigaAges 40–64 - NCT06422052Recruiting
H. pylori infection and its treatment for stomach discomfort
This trial is for adults aged 18 to 80 who have a Helicobacter pylori (H. pylori) infection in their stomach and have never been treated for it. The study will look at how treating the infection affects symptoms like indigestion or stomach pain.
Chongqing, Chongqing MunicipalityAges 18–80 - NCT06510010RecruitingPhase 2
Chemo plus H. pylori treatment for advanced stomach cancer
This trial tests whether adding H. pylori bacteria treatment to standard chemotherapy (before and after surgery) can improve outcomes for people with locally advanced stomach cancer. It combines oxaliplatin and S-1 chemo with antibiotics to clear the infection.
GuangzhouAges 18–75 - NCT06734260RecruitingPhase 3
Optimizing a two-drug therapy for H. pylori infection
This trial tests a two-drug combination (keverprazan and amoxicillin) to see if it works better for treating H. pylori, a bacteria that can cause stomach problems. It is for people who have had H. pylori before and need treatment again.
Guangzhou, GuangdongAges 18–75 - NCT06723197RecruitingPhase 4
Comparing treatment lengths for H. pylori infection
This trial compares different lengths of treatment with two or four medications to see which works best for clearing H. pylori, a stomach bacteria that can cause ulcers. It is for people who have not been treated for this infection before.
Jinan, ShandongAges 18–70 - NCT06959368RecruitingPhase 4
New H. pylori treatment vs standard triple therapy
This trial compares a newer drug (vonoprazan) plus antibiotics to the standard triple therapy for eradicating H. pylori infection in the stomach. It may be a good option if you have stomach symptoms like indigestion, acid reflux, or a non-bleeding ulcer and have not been treated for H. pylori before.
Hyderabad, TelanganaAges 18–80 - NCT04415983RecruitingPhase 3
Nitazoxanide for stomach infection in children
This trial studies nitazoxanide to treat Helicobacter pylori, a common stomach infection, in children. If you test positive for this infection and haven’t been treated for it before, you may be able to join.
TantaAges Up to 18 years - NCT05874570RecruitingPhase 4
Doxycycline for H. pylori after prior treatment failure
This trial tests whether doxycycline can “rescue” or improve treatment for an H. pylori infection that has already not responded to previous therapy. It may help people whose stomach infection keeps coming back or never cleared.
Shanghai, Shanghai MunicipalityAges 18–70 - NCT05329636RecruitingPhase 1/Phase 2
Fecal microbiome transplant after H. pylori antibiotic treatment
This trial tests whether transplanting healthy gut bacteria (from fecal material) can help your recovery and gut health after you take antibiotics to clear H. pylori (a stomach germ). If you qualify, you would start with confirmed H. pylori and then follow the study steps for the transplant.
Tel AvivAges 18–70 - NCT07139366RecruitingPhase 4
Probiotic plus bismuth combo for stubborn H. pylori
This study tests a combination of a probiotic (Saccharomyces boulardii) plus a standard bismuth-based four-drug treatment for people whose H. pylori infection has not been cured by previous treatments. It aims to see if adding the probiotic helps the treatment work better and cause fewer side effects.
Xi'an, ShaanxiAges 18–75 - NCT06509139Enrolling by invitationPhase 4
Finding the best treatment length for H. pylori infection
This study tests how long (10 or 14 days) a combination of four medicines (bismuth quadruple therapy) should be taken to best treat H. pylori infection, and whether the best duration differs between women and men. It aims to find the shortest effective treatment to reduce side effects.
TainanAges 18–100 - NCT07306988RecruitingPhase 4
Treating H. pylori to improve metabolic syndrome
This trial tests whether treating H. pylori infection can help improve metabolic syndrome (a group of conditions like high blood sugar, abnormal cholesterol, and high blood pressure). It aims to understand how treatment changes your gut bacteria and overall health.
Nanjing, JiangsuAges 18–65 - NCT05926804Recruiting
Screening and treatment for Helicobacter pylori in teens
This trial checks teenagers for a long-lasting H. pylori stomach infection and then treats those who need it. It may help prevent ongoing stomach problems from the infection and compare outcomes between treated and non-treated groups.
CoyhaiqueAges 14–18 - NCT07179159Recruiting
14-day stomach infection treatment study
This study compares two treatments for an H. pylori stomach infection: taking two medicines (vonoprazan and amoxicillin) versus taking four medicines. Both treatments are given for 14 days.
Jinan, ShandongAges 18–70 - NCT07346521Recruiting
Stomach cancer screening during routine colonoscopy
This study looks for early signs of stomach cancer and Barrett's esophagus (a precancerous condition) in people who are already getting a routine colonoscopy. By adding a quick upper endoscopy during the same visit, doctors can check for H. pylori infection and abnormal tissue changes without extra hassle.
ViennaAges 30 years+ - NCT07083804Recruiting
Testing for H. pylori using stool samples in children
This study checks if a stool test can find H. pylori bacteria in children, instead of using a stomach biopsy during an endoscopy. It may help diagnose stomach issues with less discomfort.
PoitiersAges Up to 16 years - NCT07724496Recruiting
H. pylori and stomach growth features study
This study looks at whether having H. pylori infection (a common stomach bacteria) and certain features of stomach growth can predict how early stomach cancer or pre-cancerous changes will behave and what your long-term outlook might be. You may be eligible if you are being treated with a camera-based removal procedure called endoscopic submucosal dissection (ESD).
Beijing, Beijing MunicipalityAges 18–80 - NCT07010744Enrolling by invitation
Comparing 3 vs 4 drugs for H. pylori infection
This study compares two treatment plans for H. pylori infection (a stomach bacteria). It looks at whether a 3-drug combination works as well as a 4-drug combination to clear the infection.
DhakaAges 18 years+ - NCT06929962RecruitingPhase 4
VA dual sequential therapy for H. pylori gastritis
This trial tests a new two-step antibiotic treatment for adults with chronic gastritis caused by H. pylori bacteria. If you have not been treated for H. pylori before and are between 18 and 70, you may be able to join.
Nanjing, JiangsuAges 18–70 - NCT05681689RecruitingPhase 3
Check how well a urea breath test works after H. pylori treatment
This Phase 3 study tests whether a urea breath test can confirm that H. pylori infection has been cleared after recent treatment. If the test works well, it may help doctors confirm cure without needing invasive procedures.
Doral, FloridaAges 18 years+ - NCT06421324Recruiting
AI-guided health advice for stomach conditions
This trial tests whether a personalized AI program can give you better health advice based on your stomach condition. It is for people who have gastric intestinal metaplasia (GIM) or have had H. pylori infection and are already scheduled for a gastroscopy.
ValenciaAges 18 years+
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Common questions
- Are there clinical trials for h. pylori infection?
- Yes. Clin2 currently lists 49 recruiting h. pylori infection studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a h. pylori infection trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a h. pylori infection trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.