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ClinicalTrials.gov public records Last synced Sep 27, 2026, 4:48 AM EDT

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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ammonia (10%) Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Myocardial Blood Flow by PET and N-13 Ammonia During Regadenoson vs Adenosine Stress

NCT01370265
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Regadenoson, Adenosine, N-13 ammonia
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
30 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 4, 2013 · Synced Sep 27, 2026, 4:48 AM EDT
Recruiting Not applicable Interventional

Molecular Imaging of Primary Amyloid Cardiomyopathy

NCT02641145
View directory record Official record
Conditions
Amyloidosis, Primary, Cardiomyopathy
Interventions
F-18 florbetapir/C-11 acetate PET, MRI, N-13 ammonia PET
Radiation · Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 99 Years
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Sep 27, 2026, 4:48 AM EDT
Active, not recruiting No phase listed Observational

Improvement Assessment of Coronary Flow Dysfunction Using Fundamental Fluid Dynamics

NCT01719016
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Cardiac PET, Coronary catheterization
Procedure
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 100 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 27, 2026, 4:48 AM EDT
Completed Not applicable Interventional Results available

PET/CT-Assessment of Liver Tumor Ablation

NCT02018107
View directory record Official record
Conditions
Liver Tumor, Liver Neoplasms
Interventions
N-13 ammonia or F-18 fluorodeoxyglucose, PET scan
Diagnostic Test
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Sep 27, 2026, 4:48 AM EDT
Completed No phase listed Observational

Quantitative 13N-Ammonia Cardiac Rest/Stress Digital PET/CT

NCT03170817
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Cardiac Perfusion Rest/Stress Digital PET/CT, N-13 ammonia, Regadenoson
Diagnostic Test · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced Sep 27, 2026, 4:48 AM EDT
Completed Phase 2 Interventional

Pilot Study For Hypothermia Treatment In Hyperammonemic Encephalopathy In Neonates And Very Young Infants

NCT01624311
View directory record Official record
Conditions
Urea Cycle Disorders, Organic Acidemias
Interventions
Therapeutic Hypothermia, Standard of Care Therapy
Other
Lead sponsor
Uta Lichter-Konecki
Other
Eligibility
1 Day to 30 Days
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
3
States / cities
Washington D.C., District of Columbia • New York, New York • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 31, 2015 · Synced Sep 27, 2026, 4:48 AM EDT
Terminated No phase listed Observational

Glutamine Challenge as Predictor of Hepatic Encephalopathy After Transjugular Intrahepatic Portosystemic Shunt (TIPS)

NCT02026609
View directory record Official record
Conditions
Refractory Ascites, Hepatic Hydrothorax, Hepatic Encephalopathy, Cirrhosis
Interventions
Oral glutamine challenge, Psychometric Tests
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 27, 2026, 4:48 AM EDT
Completed Phase 4 Interventional Results available

Development of a PET-MR Myocardial Perfusion Examination Using Regadenoson

NCT01779869
View directory record Official record
Conditions
Ischemic Heart Disease
Interventions
Regadenoson
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Sep 27, 2026, 4:48 AM EDT
Active, not recruiting 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
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 Sep 27, 2026, 4:48 AM EDT
Completed Not applicable Interventional

Total Energy Expenditure, Protein Kinetics, and Body Composition in Recovering Burn Children.

NCT01544868
View directory record Official record
Conditions
Energy Expenditure in Burn Children, Protein Turnover in Burn Children
Interventions
Use of Stable Isotope to Measure Energy Expenditure and Protein Turnover
Other
Lead sponsor
Shriners Hospitals for Children
Other
Eligibility
2 Years to 18 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2014 · Synced Sep 27, 2026, 4:48 AM EDT
Completed Early Phase 1 Interventional

An Exploratory Study of 18F-Labeled Hydroxyphenethylguanidines in Heart Failure Patients

NCT02669563
View directory record Official record
Conditions
Cardiomyopathy
Interventions
[18F]4F-MHPG, [18F]3F-PHPG, [13N]ammonia, [11C]HED
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 26, 2017 · Synced Sep 27, 2026, 4:48 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Myocardial Perfusion Imaging Galmydar Rest/Stress

NCT05625490
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Ga-68 Galmydar, 13N-ammonia
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 99 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 27, 2026, 4:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Distribution of Rubidium-82, Nitrogen-13 Ammonia, and Fluorine-18 Fluorodeoxyglucose in Normal Volunteers

NCT01433705
View directory record Official record
Conditions
Heart Disease
Interventions
Rb-82 Pet scans, F-18 FDG Pet scans, N-13 ammonia Pet scans, Regadenoson
Other · Drug
Lead sponsor
University of Michigan
Other
Eligibility
30 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Sep 27, 2026, 4:48 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 Sep 27, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effective Treatments for Jellyfish Stings

NCT02015195
View directory record Official record
Conditions
Jellyfish Stings
Interventions
Acetic Acid (5%), Sodium Bicarbonate Slurry (50%), Papain Slurry (70%), Ammonia (10%), Lidocaine (4%), Isopropyl Alcohol (70%), Hot Tap Water (40 degrees Celsius), No treatment
Other · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 12, 2015 · Synced Sep 27, 2026, 4:48 AM EDT