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ClinicalTrials.gov public records Last synced Oct 8, 2026, 7:57 AM EDT

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Showing 49–72 of 86 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: 24 hour urine collection Clear all
Active, not recruiting Not applicable Interventional

Potassium Citrate and Crystal Light Lemonade

NCT05389995
View directory record Official record
Conditions
Kidney Stone
Interventions
Potassium citrate, Crystal light, Potassium citrate + crystal light
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 8, 2026, 7:57 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Naproxen Pharmacogenetic Study (Project 1, Aim 2)

NCT04449471
View directory record Official record
Conditions
Pharmacogenetics
Interventions
Naproxen tablet
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 29, 2020 · Synced Oct 8, 2026, 7:57 AM 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 8, 2026, 7:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing the Effect of Whey and Soy Protein on the Absorption of Pomegranate Polyphenols in the Human Body

NCT02233478
View directory record Official record
Conditions
Healthy
Interventions
Pomegranate Juice, Soybean Flour Protein, Soy Isolate Protein
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Oct 8, 2026, 7:57 AM 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 8, 2026, 7:57 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Does a Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Nat hx With Its Numerous Co-morbidities?

NCT06616363
View directory record Official record
Conditions
POTS - Postural Orthostatic Tachycardia Syndrome
Interventions
Questionnaires to be competed, Provide list of medication and lifetime events, Use phone App to record new life events, Will wear an activity monitor, Periodic 24-hour urine sodium check, A fMRI scan, A bedside tilt test will be performed, IV placed to collect blood samples, Stool Sample
Behavioral · Device · Other + 1 more
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 8, 2026, 7:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

NYC Heart Follow-Up Study 2010

NCT01889589
View directory record Official record
Conditions
Sodium
Interventions
Surveillance
Other
Lead sponsor
New York City Department of Health and Mental Hygiene
Government
Eligibility
18 Years and older
Enrollment
1,775 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 28, 2013 · Synced Oct 8, 2026, 7:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Donors With Nephrolithiasis at the Time of Transplant Evaluation (DONATE). Long Term Follow-up.

NCT05519150
View directory record Official record
Conditions
Kidney Stones
Interventions
low dose radiation abdomen/pelvis CT scan (stone protocol), Blood draw, 24 hour urine collection
Diagnostic Test · Procedure · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Oct 8, 2026, 7:57 AM EDT
Completed No phase listed Observational

Study of Calcium Metabolism in Teenage Girls With Type 1 Diabetes

NCT03156179
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
calcium isotope analysis
Diagnostic Test
Lead sponsor
University of Rochester
Other
Eligibility
9 Years to 18 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 17, 2017 · Synced Oct 8, 2026, 7:57 AM EDT
Active, not recruiting Not applicable Interventional

Effect of Weight Loss on Urinary Oxalate Excretion in Obese Calcium Oxalate Kidney Stone Formers

NCT04633811
View directory record Official record
Conditions
Kidney Stone
Interventions
Low Oxalate Diet before Weight Loss, Oral load of oxalate and sucralose before Weight Loss, Optifast VLCD Program, Optifast VLCD Transition Phase, Low Oxalate Diet after Weight Loss, Oral load of oxalate and sucralose after Weight Loss
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 8, 2026, 7:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Dietary Amino Acid Profile on Lipoprotein Metabolism, Vascular Reactivity and Inflammatory Markers

NCT00175084
View directory record Official record
Conditions
Hyperlipidemias, Metabolic Syndrome X, Cardiovascular Diseases
Interventions
Comparison of dietary protein amino acid profile
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
50 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 23, 2014 · Synced Oct 8, 2026, 7:57 AM 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 8, 2026, 7:57 AM EDT
Completed Phase 3 Interventional Results available

Evaluate the Safety and Efficacy of Ferric Maltol Oral Suspension vs. Ferrous Sulfate Oral Liquid in Children and Adolescents Aged 2 to 17 Years With Iron-deficiency Anaemia, With a Single Arm Study in Infants Aged 1 Month to Less Than 2 Years

NCT05126901
View directory record Official record
Conditions
Anemia, Iron-deficiency
Interventions
Ferric Maltol, Ferrous sulfate
Drug
Lead sponsor
Shield Therapeutics
Industry
Eligibility
1 Month to 17 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
14
States / cities
Saraland, Alabama • Homestead, Florida • Kissimmee, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 8, 2026, 7:57 AM 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 8, 2026, 7:57 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 20, 2014 · Synced Oct 8, 2026, 7:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Utility of Transdermal Optical Imaging (TOI) as a Non-invasive Measure of Hydration Status: Phase 3a for Model Development

NCT06044610
View directory record Official record
Conditions
Dehydration
Interventions
GENPOP Passive dehydration (75% reduction in fluid intake, GENPOP Ad lib fluid intake, EXERCISE without fluid replacement, EXERCISE with fluid replacement
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
2
States / cities
Valhalla, New York • Plano, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2024 · Synced Oct 8, 2026, 7:57 AM EDT
Recruiting Phase 1 Interventional

Beta-blocker Administration for Cardiomyocyte Division

NCT04713657
View directory record Official record
Conditions
Tetralogy of Fallot, Double Outlet Right Ventricle
Interventions
N-thymidine, Urine Collection, Echocardiogram, Cardiac MRI (CMR), Propranolol Hydrochloride, Placebo, Physical Exam, Specimen Collection
Other · Procedure · Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
30 Days to 60 Days
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
3
States / cities
New York, New York • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 8, 2026, 7:57 AM EDT
Completed No phase listed Observational

AlloSure for the Monitoring of Antibody Mediated Processes After Kidney Transplantation

NCT04057742
View directory record Official record
Conditions
Kidney Transplant Failure and Rejection
Interventions
AlloSure ddcfDNA assay, AlloMap assay, Inflammatory Cytokines, Immune Cell Phenotypes
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced Oct 8, 2026, 7:57 AM 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 8, 2026, 7:57 AM EDT
Terminated Not applicable Interventional Results available

The Vascular Biology of Dipyridamole in Peripheral Arterial Disease (PAD)

NCT00906035
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Dipyridamole 200mg and Aspirin 25mg bid:, Dipyridamole 200 mg bid, Aspirin 25 mg bid
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 79 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Oct 8, 2026, 7:57 AM 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 8, 2026, 7:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Stress, Salt Excretion, and Nighttime Blood Pressure

NCT03636490
View directory record Official record
Conditions
Blood Pressure, Psychological Stress
Interventions
Psychological Stress Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
21 Years and older
Enrollment
323 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2025 · Synced Oct 8, 2026, 7:57 AM EDT
Completed No phase listed Observational

Urinary Heparanase Activity as a Predictor of Acute Kidney Injury in Critically Ill Adults

NCT01900275
View directory record Official record
Conditions
Sepsis, Trauma, Shock, Acute Kidney Injury
Interventions
Urine collection
Other
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 24, 2014 · Synced Oct 8, 2026, 7:57 AM 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 8, 2026, 7:57 AM EDT