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Showing 25–39 of 15 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: H. Pylori Infection Clear all
Completed Phase 2 Interventional Accepts healthy volunteers

Breath Ammonia Method for H. Pylori Detection: Phase II

NCT00194688
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 Jul 23, 2026, 7:39 AM EDT
Completed Not applicable Interventional Results available

Show Equivalence of the Modified BreathID Compared to Currently Approved BreathID in H.Pylori Detection

NCT01650831
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 Jul 23, 2026, 7:39 AM 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 29, 2009 · Synced Jul 23, 2026, 7:39 AM EDT
Completed Phase 4 Interventional Results available

POCone-UBiT-IR300 Pediatric Comparison Study

NCT01623154
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 Jul 23, 2026, 7:39 AM 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 19, 2022 · Synced Jul 23, 2026, 7:39 AM EDT
Completed Phase 3 Interventional Results available

Urea Breath Test (UBT) With Breath Hp System /BreathID Hp Lab System Pediatrics

NCT02905825
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 Jul 23, 2026, 7:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Experiment of Helicobacter Pylori Transmission

NCT00550368
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 Jul 23, 2026, 7:39 AM 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 2, 2024 · Synced Jul 23, 2026, 7:39 AM 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 6, 2012 · Synced Jul 23, 2026, 7:39 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Changes Associated With H. Pylori and Gastric Carcinogenesis

NCT02164409
View directory record Official record
Conditions
Bacterial Infection Due to Helicobacter Pylori (H. Pylori)
Interventions
Endoscopy tissue collection
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 23, 2026, 7:39 AM EDT
Completed Phase 3 Interventional

Bag Mode BreathID Hp Validation Versus Endoscopy in Detection of Helicobacter Pylori

NCT02010112
View directory record Official record
Conditions
Helicobacter Pylori Infection
Interventions
Breath Test Collection bags
Other
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
18 Years and older
Enrollment
193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
9
States / cities
Baltimore, Maryland • Chevy Chase, Maryland • Detroit, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2022 · Synced Jul 23, 2026, 7:39 AM 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 15, 2020 · Synced Jul 23, 2026, 7:39 AM EDT
Active, not recruiting Phase 4 Interventional

Helicobacter Pylori Screening and Treatment in the At-risk South Florida Community-AIM 2

NCT07224048
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 Jul 23, 2026, 7:39 AM EDT
Completed No phase listed Observational

Helicobacter Pylori and Dry Eye

NCT00083291
View directory record Official record
Conditions
Helicobacter Infections
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 23, 2026, 7:39 AM 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 6, 2019 · Synced Jul 23, 2026, 7:39 AM EDT