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ClinicalTrials.gov public records Last synced Oct 6, 2026, 1:04 PM EDT

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Showing 25–48 of 86 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: 24 hour urine collection Clear all
Completed Phase 1 Interventional Results available

Body Compartment Pharmacokinetics of Anti-retroviral Agents That May be Considered for Future On-demand Peri-exposure HIV Prophylaxis Regimens

NCT03976752
View directory record Official record
Conditions
HIV/AIDS
Interventions
Genvoya
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 49 Years · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 13, 2021 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 4 Interventional Results available

Effect of Increasing Doses of Cystine Binding Thiol Drugs on Cystine Capacity in Patients With Cystinuria

NCT02125721
View directory record Official record
Conditions
Cystinuria
Interventions
Tiopronin 1g per day, Tiopronin 2g per day, Tiopronin 3g per day
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Not applicable Interventional Results available

Kidney Response to Sepsis Affects Angiogenic Balance and Likelihood of CCI and PICS

NCT02276066
View directory record Official record
Conditions
Sepsis
Interventions
GFR by Iohexol, Urine Collection, Blood samples
Diagnostic Test
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 3 Interventional

Sodium Lowering and Urinary Protein Reduction Trial

NCT02945969
View directory record Official record
Conditions
Chronic Kidney Disease, Albuminuria
Interventions
Low Sodium Diet
Behavioral
Lead sponsor
Tulane University School of Public Health and Tropical Medicine
Other
Eligibility
21 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 21, 2022 · Synced Oct 6, 2026, 1:04 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Rapid UTI Diagnostics in Lower Urinary Tract Dysfunction Among Catheter Users

NCT07784829
View directory record Official record
Conditions
Neurogenic Bladder Disorder, Lower Urinary Tract Disorder, Urinary Tract Infection (Diagnosis)
Interventions
urine Resazurin Reduction Ratio, USQNB
Diagnostic Test · Other
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Effect of PARP Inhibitors on Glomerular Filtration Rate

NCT04367467
View directory record Official record
Conditions
Solid Tumor, Ovarian Cancer, Breast Cancer
Interventions
Kidney Function Test
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Oct 6, 2026, 1:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of a Novel Method to Measure Insulin Sensitivity in Humans: A Pilot Study

NCT04774081
View directory record Official record
Conditions
Insulin Sensitivity
Interventions
24h Continuous glucose monitoring and urinary C-peptide collection
Device
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 14, 2022 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scavenging of Reactive Carbonyl Species by Dietary Flavonoids in Humans

NCT05773794
View directory record Official record
Conditions
Human Health, Reactive Carbonyl Species, Polyphenols
Interventions
Soymilk, green tea, or blueberry, Control group
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 1 Interventional

Enteric Oxalate Absorption Study in Unclassified Hyperoxaluria

NCT00588120
View directory record Official record
Conditions
Enteric Hyperoxaluria, Hyperoxaluria
Interventions
C-13 labeled oxalate
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
4 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Oct 6, 2026, 1:04 PM EDT
Active, not recruiting Phase 1 Interventional

A First in Human Study Using 89Zr-cRGDY Ultrasmall Silica Particle Tracers for Malignant Brain Tumors

NCT03465618
View directory record Official record
Conditions
Brain Cancer, Pituitary Adenoma
Interventions
89Zr-DFO-cRGDY-PEG-Cy5-C' dots PET Imaging, Blood and Urine samples
Drug · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 1 Interventional

Open Label Regorafenib Study to Evaluate Cardiovascular Safety Parameters, Tolerability, and Anti-tumor Activity

NCT01339104
View directory record Official record
Conditions
Neoplasms
Interventions
Regorafenib (Stivarga, BAY73-4506)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
6
States / cities
Aurora, Colorado • Ann Arbor, Michigan • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2014 · Synced Oct 6, 2026, 1:04 PM EDT
Completed No phase listed Observational

Radiation Biodosimetry in Patients Treated With Total Body Irradiation (TBI)

NCT00581958
View directory record Official record
Conditions
Cancer
Interventions
Blood Samples
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
4 Years to 100 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2018 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

Lipoic Acid Supplement for Cystine Stone

NCT02910531
View directory record Official record
Conditions
Cystinuria
Interventions
Alpha lipoic acid, Placebo
Dietary Supplement · Drug
Lead sponsor
Thomas Chi, MD
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 1 Interventional

The Body's Affect on Vitamin C

NCT00001309
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Vitamin C
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Over-the-counter Dietary Supplements on Kidney Stone Risk

NCT02404701
View directory record Official record
Conditions
Hyperoxaluria
Interventions
Aloe vera with cactus, Cranberry, Green tea extract, Bilberry, Cinnamon, Milk thistle, Turmeric, Aloe vera
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Trial of Indole-3-Carbinol and Silibinin

NCT03687073
View directory record Official record
Conditions
Smoking
Interventions
Indole-3-Carbinol, Silibinin, Silibin
Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Oct 6, 2026, 1:04 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Evaluating a Potential Pharmacokinetic Kratom-oxycodone Interaction Concurrent With Clinical Endpoints

NCT05846451
View directory record Official record
Conditions
Herbal Interaction
Interventions
Kratom, Oxycodone
Dietary Supplement · Drug
Lead sponsor
Washington State University
Other
Eligibility
21 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Renal Metabolism of Glycolate to Oxalate

NCT04437225
View directory record Official record
Conditions
Healthy
Interventions
Low oxalate controlled Diet, Primed, continuous intravenous infusion of 13C2-Glycolate, Bolus intravenous infusion of 13C2-Glycolate, Oral bolus administration of 13C2-Glycolate
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Assessing the Pharmacokinetics and Drug Interaction Liability of Kratom, an Opioid-like Natural Product

NCT04392011
View directory record Official record
Conditions
Interaction Drug Food
Interventions
Midazolam HCl, Dextromethorphan HBr, Kratom
Drug · Dietary Supplement
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Oct 6, 2026, 1:04 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Effects of a Hemp Product on the Pharmacokinetics and Pharmacodynamics of Clopidogrel

NCT06692933
View directory record Official record
Conditions
Interaction
Interventions
Cannabidiol in the form of hemp, Clopidogrel
Drug
Lead sponsor
Washington State University
Other
Eligibility
21 Years to 64 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Exogenous Ketones on Indices of Keto-Adaptation in Obese Subjects on Weight Reducing Diets.

NCT06449287
View directory record Official record
Conditions
Ketogenic Diet, Weight Loss
Interventions
Diet, Blood Draw, Ketone/Glucose Monitoring, Body Composition, Urine Analysis, Neuropsychological Measures - ANAM
Other · Biological · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Evaluating the Pharmacokinetics and Drug Interaction Potential of the Botanical Dietary Supplement Cinnamon

NCT05157672
View directory record Official record
Conditions
Interaction Drug Food
Interventions
Cinnamon (2 g), Nicotine gum (2.5 mg), Letrozole (2.5 mg)
Dietary Supplement · Drug
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 64 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 6, 2026, 1:04 PM 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 20, 2014 · Synced Oct 6, 2026, 1:04 PM EDT
Terminated No phase listed Observational

Sensitivity of Extended Cultures in Diagnosing Urinary Tract Infections

NCT03080389
View directory record Official record
Conditions
Overactive Bladder, Overactive Detrusor, Urgency-Frequency Syndrome, UTI
Interventions
Extended Urine Culture
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Sep 4, 2018 · Synced Oct 6, 2026, 1:04 PM EDT