Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 8, 2026, 5:41 AM EDT

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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Detection of Pseudomonas Aeruginosa in the Airways of Patients With CF

NCT01303068
Conditions
Cystic Fibrosis
Interventions
13C urea breath test Kit
Device
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Albuquerque, New Mexico
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Experiment of Helicobacter Pylori Transmission

NCT00550368
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
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
Completed Phase 2 Interventional Results available

ARJ C13 Urea Breath Test System

NCT04036838
Conditions
H. Pylori Infection
Interventions
PyloPlus UBT System, Histology, Rapid Urease Test, H.pylori Culture
Combination Product · Diagnostic Test
Lead sponsor
ARJ Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
415 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
6
States / cities
Clearwater, Florida • Clermont, Florida • Largo, Florida + 2 more
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
Recruiting Phase 3 Interventional Accepts healthy volunteers

PyloPlus Urea Breath Test System Pediatric Safety and Efficacy Study

NCT05276557
Conditions
Helicobacter Pylori, Safety, Efficacy
Interventions
PyloPlus Urea Breath Test System, Stool Antigen Test
Combination Product · Diagnostic Test
Lead sponsor
ARJ Medical, Inc.
Industry
Eligibility
3 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
3
States / cities
Doral, Florida • Orlando, Florida • El Paso, Texas
Conditions
Stomach Neoplasm
Interventions
Blood Collection, processing and analyses, Gastroscopy and biopsies collection, Urea Breath Test
Procedure · Diagnostic Test
Lead sponsor
National University Hospital, Singapore
Other
Eligibility
50 Years to 75 Years
Enrollment
500 participants
Timeline
2019 – 2033
U.S. locations
1
States / cities
Stanford, California
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
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
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
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
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
Completed No phase listed Interventional Results available

Urease Breath Test for Rapid Characterization of Pneumonia

NCT03100760
Conditions
Pneumonia, Bacterial
Interventions
13C-urea breath test
Device
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 85 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Detroit, Michigan