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ClinicalTrials.gov public records Last synced Sep 15, 2026, 7:32 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Congenital Sucrase-isomaltase Deficiency (CSID)
Interventions
Not listed
Lead sponsor
QOL Medical, LLC
Industry
Eligibility
Up to 18 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
19
States / cities
Los Angeles, California • Oakland, California • Aurora, Colorado + 16 more
Conditions
Heart Transplant Rejection
Interventions
BreathScanner 1.0, BreathLink
Device
Lead sponsor
Menssana Research, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
5
States / cities
Beverly Hills, California • Stanford, California • Newark, New Jersey + 2 more
Conditions
Metabolic Dysfunction-Associated Steatotic Liver Disease, Hepatic Steatosis, Liver Disease Parenchymal
Interventions
Quantitative ultrasound (DeepUSFF)
Device
Lead sponsor
Seoul National University Hospital
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boardman, Ohio
Conditions
Chronic Diarrhea of Unknown Origin
Interventions
Crofelemer, Diagnostic tests for cause of chronic diarrhea
Drug · Diagnostic Test
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessment of Airway Obstruction in Infants With Lower Respiratory Infections

NCT00435994
Conditions
Bronchiolitis, Respiratory Syncytial Virus Infections
Interventions
Inhaled primatene will be given as a breathing treatment, Nasal Washing
Drug · Other
Lead sponsor
Indiana University
Other
Eligibility
2 Months to 2 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2012
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Alcohol Use Disorder, Ketosis
Interventions
Kenetik, magnetic resonance imaging scan, fludeoxyglucose-18 positron emission tomography scan, Alcohol bar lab, Placebo beverage
Dietary Supplement · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Does Small Intestinal Bacterial Overgrowth Contribute to Functional Dyspepsia

NCT00956397
Conditions
Functional Dyspepsia, Small Intestinal Bacterial Overgrowth, Chronic Abdominal Discomfort
Interventions
Rifaximin, Lactulose Breath Test, Placebo
Drug · Procedure
Lead sponsor
Henry C. Lin, MD
Federal
Eligibility
21 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Albuquerque, New Mexico
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
Not yet recruiting Not applicable Interventional

Inhaled Nitric Oxide in Severe Obesity

NCT06675435
Conditions
Obesity, Respiratory Insufficiency, Hypoxemic Respiratory Failure, Nitric Oxide
Interventions
Nitric oxide
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

Pilot Feasibility Study of a Novel Non-invasive Device for Diagnosis of Anemia

NCT06159348
Conditions
Anemia
Interventions
Anemia Diagnostic Assistant (ADA), Serum hemoglobin
Diagnostic Test
Lead sponsor
University of Utah
Other
Eligibility
17 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Not applicable Interventional Results available

Assessing Portal Hypertension With Methacetin Breath Test

NCT02143778
Conditions
Patients With Compensated Liver Cirrhosis
Interventions
Methacetin Breath Test
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
18 Years and older
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
3
States / cities
New Haven, Connecticut • Durham, North Carolina • Richmond, Virginia
Conditions
Lung Diseases, Interstitial, Pulmonary Fibrosis
Interventions
CT-V, Metabolites
Device · Other
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Royal Oak, Michigan
Conditions
Acute Myocardial Infarction
Interventions
Not listed
Lead sponsor
Hennepin County Medical Center, Minneapolis
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Recruiting Not applicable Interventional Accepts healthy volunteers

Role of Acetaldehyde in the Development of Oral Cancer

NCT05973656
Conditions
Alcohol-Related Carcinoma, Fanconi Anemia, Oral Cavity Carcinoma
Interventions
Alcohol, Biospecimen Collection, Breath Test
Drug · Procedure
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 45 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Tobacco Use Disorder, Substance Use Disorders
Interventions
Smartphone Contingency Management Intervention
Behavioral
Lead sponsor
BrightView LLC
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Brain Tumor, Glioblastoma
Interventions
Dichloroacetate
Drug
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
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
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
Conditions
Diabetes Mellitus, Type 1
Interventions
Erythromycin lactobionate, Placebo IV, [13C]-Spirulina, Erythromycin Ethylsuccinate Suspension, Placebo Suspension
Drug
Lead sponsor
Adil Bharucha
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Hypercholesterolemia, Thrombosis
Interventions
Clopidogrel, Atorvastatin
Drug
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Ann Arbor, Michigan
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

Carbon-13 (13C)-Spirulina Platensis Gastric Emptying Breath Test (GEBT)

NCT01248221
Conditions
Dyspepsia
Interventions
[13C]-Spirulina platensis and 99mTc sulfur colloid
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Gastroesophageal Reflux, Regurgitation, Heartburn
Interventions
Breath Testing
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Cystic Fibrosis
Interventions
Lung Clearance Index, MRI with PFP
Device · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina