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ClinicalTrials.gov public records Last synced Oct 3, 2026, 10:47 PM EDT

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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: H. pylori treatment Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Risk Assessment Evaluation for Identifying Participants at High Risk for Stomach Cancer

NCT06408220
View directory record Official record
Conditions
Gastric Carcinoma
Interventions
Biopsy, Biospecimen Collection, Breath Test, Esophagogastroduodenoscopy, Questionnaire Administration
Procedure · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 3, 2026, 10:47 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Helicobacter Pylori and Body Iron in Adults

NCT03146325
View directory record Official record
Conditions
Helicobacter Pylori Infection
Interventions
BISMUTH TETRACYCLINE METRONIDAZOLE OMEPRAZOLE, MATCHING PLACEBO
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Oct 3, 2026, 10:47 PM EDT
Completed Phase 3 Interventional Results available

ERADICATE Hp - Treating Helicobacter Pylori With RHB-105

NCT01980095
View directory record Official record
Conditions
Dyspepsia, Helicobacter Pylori Infection
Interventions
RHB-105, Placebo
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
12
States / cities
Anaheim, California • Chino, California • Jupiter, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Oct 3, 2026, 10:47 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

The Effect of H. Pylori Infection on Iron Metabolism

NCT00202488
View directory record Official record
Conditions
Iron Deficiency Anemia, Helicobacter Pylori Infection
Interventions
H. pylori treatment
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 30, 2008 · Synced Oct 3, 2026, 10:47 PM EDT
Completed Not applicable Interventional Results available

Patient-Centered Cancer Prevention In Chinese Americans

NCT03340454
View directory record Official record
Conditions
H. Pylori Infection
Interventions
Test-and-treat EHR-CHW intervention, Usual care of EHR-only intervention
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 3, 2026, 10:47 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

H. Pylori Eradication Using Pyklear in Adults in El Paso, Texas: a Pilot Study

NCT01335334
View directory record Official record
Conditions
H. Pylori Infection
Interventions
bismuth subcitrate potassium, metronidazole,tetracycline hydrochloride and omeprazole
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2011 · Synced Oct 3, 2026, 10:47 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Standard Triple Therapy vs Sequential Therapy in Treatment of H Pylori Infection

NCT01723059
View directory record Official record
Conditions
Helicobacter Infection
Interventions
Standard Triple Therapy, Sequential Therapy
Drug
Lead sponsor
Dallas VA Medical Center
Federal
Eligibility
18 Years to 85 Years
Enrollment
184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 7, 2012 · Synced Oct 3, 2026, 10:47 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Antibiotic Treatment and Long-term Outcomes of Patients With Pseudomyxoma Peritonei of Appendiceal Origin

NCT02387203
View directory record Official record
Conditions
Pseudomyxoma Peritonei, Appendiceal Neoplasms
Interventions
PrevPac (Prevacid, Amoxicillin, Clarithromycin)
Drug
Lead sponsor
Mercy Medical Center
Other
Eligibility
21 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Oct 3, 2026, 10:47 PM EDT
Completed No phase listed Observational

Biaxin Based Antibiotic Therapy in Previously Untreated, Advanced Stage Indolent Lymphoma

NCT00461084
View directory record Official record
Conditions
Lymphoma
Interventions
Biaxin (clarithromycin)
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 18, 2014 · Synced Oct 3, 2026, 10:47 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Helicobacter Pylori Eradication Trial to Reduce Iron Deficiency in Children

NCT00364104
View directory record Official record
Conditions
Iron Deficiency
Interventions
Quadruple sequential Helicobacter pylori eradication + iron sulfate, Quadruple sequential Helicobacter pylori eradication therapy, Ferrous sulfate, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
36 Months to 120 Months
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2009 · Synced Oct 3, 2026, 10:47 PM EDT
Recruiting No phase listed Observational

A Study of the Safety of Vonoprazan Exposure in Pregnant Women and Their Offspring

NCT06660342
View directory record Official record
Conditions
Erosive Esophagitis, Heartburn, Symptomatic Non-erosive Gastroesophageal Reflux Disease, Helicobacter Pylori Infection
Interventions
Vonoprazan
Drug
Lead sponsor
Phathom Pharmaceuticals, Inc.
Industry
Eligibility
15 Years to 50 Years · Female only
Enrollment
728 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 3, 2026, 10:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect on 24-hour, Intragastric pH of RAB ER 50-mg Capsules Compared With Esomeprazole (Nexium) 40 mg Capsules and Rabeprazole (Aciphex) 20-mg Tablets

NCT01153659
View directory record Official record
Conditions
Healthy
Interventions
E3810, Aciphex (rabeprazole), Nexium (esomeprazole)
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 1, 2013 · Synced Oct 3, 2026, 10:47 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

PyloPlus Urea Breath Test System Post Therapy Efficacy Confirmation Study

NCT05681689
View directory record Official record
Conditions
Helicobacter Pylori Infection, Post-Treatment, Efficacy
Interventions
PyloPlus UBT System, Histology, Rapid Urease Test, Comparator Breath Test, Stool Antigen Test
Combination Product · Diagnostic Test
Lead sponsor
ARJ Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Doral, Florida • Union City, New Jersey
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 3, 2026, 10:47 PM EDT
Completed Phase 3 Interventional Results available

Exalenz Lab Mode System Compared to Biopsy for H.Pylori Detection

NCT02528721
View directory record Official record
Conditions
Helicobacter Pylori Infection
Interventions
Dual Mode BreathID Hp System
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
18 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
11
States / cities
Tucson, Arizona • Ventura, California • Lafayette, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 3, 2026, 10:47 PM EDT
Completed No phase listed Observational

Helicobacter Pylori Sample Collection Protocol Post Therapy Subjects

NCT03060733
View directory record Official record
Conditions
Helicobacter Pylori Infection, Gastric Ulcer, Nausea, Abdominal Pain, Weight Loss, Stomach Ulcer, Loss of Appetite, Bloating
Interventions
Post-Therapy
Other
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
22 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
4
States / cities
Mission Hills, California • Great Neck, New York • Mentor, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Oct 3, 2026, 10:47 PM EDT
Terminated Phase 3 Interventional Results available

Treating H. Pylori in Parkinson's Patients With Motor Fluctuations

NCT00664209
View directory record Official record
Conditions
Parkinson's Disease, Helicobacter Infections, Motor Fluctuations
Interventions
clartihromycin, amoxicillin, and omeprazole, placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Male only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2017 · Synced Oct 3, 2026, 10:47 PM EDT
Completed No phase listed Observational

H. Pylori Testing for Patients With Non-specific Upper Abdominal Pain in the Emergency Department

NCT01376414
View directory record Official record
Conditions
Gastritis, Peptic Ulcer, Peptic Ulcer Perforation, Stomach Ulcer
Interventions
Urea Breath Test (UBT) for H. pylori infection
Other
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 26, 2016 · Synced Oct 3, 2026, 10:47 PM EDT
Recruiting Not applicable Interventional

H. Pylori Eradication With Argon Plasma During Endoscopy

NCT06529159
View directory record Official record
Conditions
Helicobacter Pylori Infection, Helicobacter Pylori, Helicobacter Pylori Gastrointestinal Tract Infection, H. Pylori Infection, H. Pylori Gastrointestinal Disease
Interventions
HEAPE, Pre-HEAPE
Procedure
Lead sponsor
Christopher C. Thompson, MD, MSc
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 3, 2026, 10:47 PM EDT
Withdrawn Phase 3 Interventional

Safety, Efficacy of Pylera BID Dosing in Eradication of H. Pylori

NCT00712413
View directory record Official record
Conditions
Helicobacter Pylori Infection
Interventions
OBMT
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
Ann Arbor, Michigan • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Oct 3, 2026, 10:47 PM EDT
Completed No phase listed Observational

Helicobacter Pylori Sample Collection Protocol Pre Therapy Subjects

NCT03060746
View directory record Official record
Conditions
Helicobacter Pylori Infection, Gastric Ulcer, Nausea, Abdominal Pain, Weight Loss, Stomach Ulcer, Loss of Appetite, Bloating
Interventions
Newly Diagnosed
Other
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
22 Years and older
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
11
States / cities
Mesa, Arizona • Mission Hills, California • Oxnard, California + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2021 · Synced Oct 3, 2026, 10:47 PM EDT
Recruiting Phase 1 Interventional

A Vaccine (MV-s-NAP) for the Treatment of Patients With Invasive Metastatic Breast Cancer

NCT04521764
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Carcinoma, Metastatic Breast Adenocarcinoma, Recurrent Breast Carcinoma, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Oncolytic Measles Virus Encoding Helicobacter pylori Neutrophil-activating Protein, Computed Tomography, Magnetic Resonance Imaging, Biopsy, Biospecimen Collection
Biological · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 3, 2026, 10:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Fecal Microbiota Transplantation in Pediatric Patients

NCT02108821
View directory record Official record
Conditions
Inflammatory Bowel Diseases (IBD), Crohn's Disease (CD), Ulcerative Colitis (UC)
Interventions
Fecal Microbiota Transplantation (FMT)
Biological
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
2 Years to 22 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Oct 3, 2026, 10:47 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Helicobacter Pylori Screening and Treatment in the At-risk South Florida Community- AIM 1

NCT07224035
View directory record Official record
Conditions
H Pylori Infection, H Pylori Gastritis, Gastric Cancer
Interventions
PYTEST® 14C-Urea Breath Test, VOQUEZNA® Triple Pak®
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
430 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 3, 2026, 10:47 PM EDT
Completed Phase 3 Interventional Results available

ERADICATE Hp2 - Treating Helicobacter Pylori With RHB-105 Compared to Active Comparator

NCT03198507
View directory record Official record
Conditions
Helicobacter Pylori Infection, Dyspepsia
Interventions
RHB-105, Active Comparator
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 70 Years
Enrollment
455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
55
States / cities
Dothan, Alabama • Phoenix, Arizona • Tucson, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced Oct 3, 2026, 10:47 PM EDT