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ClinicalTrials.gov public records Last synced May 21, 2026, 8:04 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Helicobacter Pylori Infection Clear all
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Bacterial Infection Due to Helicobacter Pylori (H. Pylori)
Interventions
Pranactin citric solution
Other
Lead sponsor
Otsuka America Pharmaceutical
Industry
Eligibility
3 Years to 18 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
3
States / cities
Miami, Florida • El Paso, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 22, 2015 · Synced May 21, 2026, 8:04 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Helicobacter Infections
Interventions
Not listed
Lead sponsor
Biomerica
Industry
Eligibility
21 Years to 75 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
4
States / cities
Tucson, Arizona • Los Angeles, California • Medley, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced May 21, 2026, 8:04 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Suspicion of Being Infected With H.Pylori
Interventions
Modified BreathID
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
East Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 19, 2022 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 3 Interventional Results available
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 23, 2019 · Synced May 21, 2026, 8:04 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers
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 13, 2011 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 3 Interventional Results available
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 15, 2020 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers
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 29, 2009 · Synced May 21, 2026, 8:04 PM EDT
Completed No phase listed Observational
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 29, 2021 · Synced May 21, 2026, 8:04 PM EDT
Completed No phase listed Observational
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 25, 2016 · Synced May 21, 2026, 8:04 PM EDT
Withdrawn Phase 3 Interventional
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 8, 2017 · Synced May 21, 2026, 8:04 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers
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
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced May 21, 2026, 8:04 PM EDT
Completed No phase listed Observational
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 6, 2019 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Helicobacter Pylori Infection
Interventions
Amoxicillin, Omeprazole, Clarithromycin
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced May 21, 2026, 8:04 PM EDT
Active, not recruiting Phase 4 Interventional
View directory record Official record
Conditions
H. Pylori Infection, Gastric Cancer, Gastritis H Pylori
Interventions
PYTEST® 14C-Urea Capsule Breath Test (at Home), PYTEST® 14C-Urea Capsule Breath Test (Standard Retesting In-Person)
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced May 21, 2026, 8:04 PM EDT
Completed Not applicable Interventional Results available
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 2, 2024 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 3 Interventional Results available
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 19, 2022 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Helicobacter Infections
Interventions
H. pylori treatment
Drug
Lead sponsor
University of Washington
Other
Eligibility
21 Years and older
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 10, 2008 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Helicobacter Pylori Infection
Interventions
Vonoprazan, Amoxicillin, Clarithromycin, Lansoprazole
Drug
Lead sponsor
Phathom Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,046 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
106
States / cities
Anniston, Alabama • Athens, Alabama • Birmingham, Alabama + 84 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Helicobacter Pylori Infection
Interventions
BreathID® Hp System, BreathID® Hp Lab System, Stool Test
Device · Drug · Diagnostic Test
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
3 Years to 18 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
5
States / cities
Shreveport, Louisiana • Flowood, Mississippi • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2022 · Synced May 21, 2026, 8:04 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Acute Bacterial Infections, Acute Viral Infections
Interventions
Not listed
Lead sponsor
The Plasma Source
Industry
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Southampton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 19, 2012 · Synced May 21, 2026, 8:04 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Helicobacter Infections, Gastritis, Peptic Ulcer
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
6 Months to 18 Years
Enrollment
755 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2007
U.S. locations
3
States / cities
Miami, Florida • Atlanta, Georgia • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 12, 2010 · Synced May 21, 2026, 8:04 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Gastric Cancer, Intestinal Metaplasia of Gastric Mucosa, Helicobacter Pylori Infection, Atrophic Gastritis
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
35 Years to 84 Years
Enrollment
600 participants
Timeline
2018 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced May 21, 2026, 8:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Infection, Achlorhydria
Interventions
Biological intervention: Enteropathogenic E. coli
Biological
Lead sponsor
Stanford University
Other
Eligibility
35 Years to 59 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced May 21, 2026, 8:04 PM EDT
Recruiting Not applicable Interventional
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 1, 2026 · Synced May 21, 2026, 8:04 PM EDT