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ClinicalTrials.gov public records Last synced Sep 4, 2026, 8:46 PM EDT

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Showing 1–24 of 73 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Plasma/Urine Clear all
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 Aug 30, 2026 · Synced Sep 4, 2026, 8:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Polyethylene Glycol Safety in Children

NCT05424757
View directory record Official record
Conditions
Polyethylene Glycols, Children, Only
Interventions
PEG 3350
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
0 Years to 16 Years
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Sep 4, 2026, 8:46 PM EDT
Completed No phase listed Observational

Pediatric Longitudinal Cohort Study of Chronic Pancreatitis

NCT03672422
View directory record Official record
Conditions
Pancreatitis, Chronic, Pancreatitis, Acute
Interventions
Blood sample, Patient questionnaires, Saliva sample, Urine sample
Diagnostic Test · Behavioral
Lead sponsor
Aliye Uc
Other
Eligibility
0 Years to 17 Years
Enrollment
623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
18
States / cities
Beverly Hills, California • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Sep 4, 2026, 8:46 PM EDT
Recruiting No phase listed Observational

Project: Every Child for Younger Patients With Cancer

NCT02402244
View directory record Official record
Conditions
Adrenal Gland Pheochromocytoma, Carcinoma In Situ, Central Nervous System Neoplasm, Childhood Immature Teratoma, Childhood Kidney Neoplasm, Childhood Langerhans Cell Histiocytosis, Childhood Mature Teratoma, Congenital Mesoblastic Nephroma, Desmoid Fibromatosis, Ganglioneuroma, Lymphoproliferative Disorder, Malignant Neoplasm, Malignant Solid Neoplasm, Melanocytic Neoplasm, Myeloproliferative Neoplasm, Neoplasm of Uncertain Malignant Potential, Neuroendocrine Neoplasm, Stromal Neoplasm
Interventions
Cytology Specimen Collection Procedure, Medical Chart Review
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 25 Years
Enrollment
75,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2030
U.S. locations
246
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 177 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 4, 2026, 8:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cancer DNA Detection in Blood and Urine

NCT02657863
View directory record Official record
Conditions
Prostate Cancer
Interventions
Urine collection and blood draw
Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years · Male only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 4, 2026, 8:46 PM EDT
Completed No phase listed Observational

Long Term Effects of Erythrocyte Lysis

NCT00842621
View directory record Official record
Conditions
Sickle Cell Disease, Hemolytic Anemia
Interventions
Clinical Evaluations, Laboratory Studies
Procedure · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
5 Years and older
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 26, 2016 · Synced Sep 4, 2026, 8:46 PM EDT
Terminated Not applicable Interventional Results available

Young Blind Child Melatonin Treatment Study

NCT00688935
View directory record Official record
Conditions
Blindness
Interventions
Melatonin
Biological
Lead sponsor
Oregon Health and Science University
Other
Eligibility
1 Year to 20 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 26, 2019 · Synced Sep 4, 2026, 8:46 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Salt Loading and Thiazide Intervention Study

NCT00896389
View directory record Official record
Conditions
Hypertension
Interventions
Salt loading, Hydrochlorothiazide (HCTZ)
Procedure · Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Sep 4, 2026, 8:46 PM EDT
Completed No phase listed Observational

Proximal Molecular Effects of Concurrent Chemoradiotherapy on Head and Neck Squamous Cell Carcinoma

NCT00620139
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma
Interventions
the arachidonic acid and EGFR signaling pathways and their interaction in HNSCC tumorigenesis,
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2013 · Synced Sep 4, 2026, 8:46 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Assessing Goldenseal-drug Interactions Using a Probe Drug Cocktail Approach

NCT03772262
View directory record Official record
Conditions
Interaction Drug Food
Interventions
goldenseal, Metformin, Furosemide, Midazolam oral solution, Rosuvastatin Oral Tablet
Dietary Supplement · Drug
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Sep 4, 2026, 8:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Biodistribution and Safety of a Radiopharmaceutical in Healthy Subjects

NCT00316797
View directory record Official record
Conditions
Neurodegenerative Diseases
Interventions
123-I INER
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 9, 2014 · Synced Sep 4, 2026, 8:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Absorption, Metabolism, And Excretion Of Orally Administered [14C] TR 701 In Healthy Adult Male Subjects

NCT01442831
View directory record Official record
Conditions
Healthy
Interventions
Human ADME
Drug
Lead sponsor
Trius Therapeutics LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Sep 4, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Blends and Gut Microbiota (FB)

NCT04101344
View directory record Official record
Conditions
Gut Microbiome
Interventions
Two fiber-blend snack and four fiber-blend snack
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 26, 2024 · Synced Sep 4, 2026, 8:46 PM 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 4, 2026, 8:46 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Hydration Dynamics and Influence of Beverage Composition

NCT05111392
View directory record Official record
Conditions
Hydration, Fluid Retention, Dehydration
Interventions
Placebo, Oral Rehydration Solution 1, Oral Rehydration Solution 2
Biological
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Sep 4, 2026, 8:46 PM EDT
Completed Not applicable Interventional

A One Visit Follow Up of Adults With Fabry Disease Who Started Long-term Enzyme Replacement Therapy As Children

NCT04002531
View directory record Official record
Conditions
Quality of Life, Renal Insufficiency, Cardiac Event
Interventions
General and Neurological examination, Vital signs, 12 lead electrocardiogram, Echocardiogram, Blood draw, Urine collection, 2-hour Holter Monitor, Brief Pain Inventory questionnaire, Quality of Life questionnaire
Other · Procedure
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 4, 2026, 8:46 PM EDT
Not listed No phase listed Observational

The Predictive Capacity of Machine Learning Models for Progressive Kidney Disease in Individuals With Sickle Cell Anemia

NCT05214105
View directory record Official record
Conditions
Sickle Cell Disease, Kidney Diseases, Chronic
Interventions
Biospecimen/DNA collection and analysis
Other
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years to 65 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Chicago, Illinois • Winston-Salem, North Carolina • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Sep 4, 2026, 8:46 PM EDT
Terminated No phase listed Observational

Plasma and Urine Samples From Patients With Hormone-Refractory Prostate Cancer Enrolled on Clinical Trials CALGB-9480 or CALGB-9583

NCT00898833
View directory record Official record
Conditions
Prostate Cancer
Interventions
laboratory biomarker analysis
Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Male only
Enrollment
868 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2016
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 7, 2017 · Synced Sep 4, 2026, 8:46 PM EDT
Withdrawn No phase listed Observational

Trial of Prostate Cancer Patients Undergoing Active Surveillance With or Without MRI-Guided Management

NCT01838265
View directory record Official record
Conditions
Prostate Cancer, Prostate Adenocarcinoma
Interventions
Transrectal Ultrasound-Guided Biopsy, MRI Ultrasound Biopsy, Expanded Prostate Cancer index Composite Questionnaire, Short-Form 12 of Health Related Quality of Life Questionnaire, Memorial Anxiety Scale for Prostate Cancer, Plasma/Serum Sample for biomarkers, Urine Sample for Biomarkers, Blood Tests for Blood Urea Nitrogen and Creatinine, Blood Test for Serum PSA
Procedure · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
35 Years to 75 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 7, 2014 · Synced Sep 4, 2026, 8:46 PM EDT
Completed No phase listed Observational

Metabolomics for Biomarker Discovery in Children With EoE

NCT03107819
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Plasma and urine metabolomics
Diagnostic Test
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
2 Years to 18 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Sep 4, 2026, 8:46 PM EDT
Completed Phase 2 Interventional Results available

Docetaxel, Thalidomide, Prednisone, and Bevacizumab to Treat Metastatic Prostate Cancer

NCT00089609
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Docetaxel, Thalidomide, Prednisone, bevacizumab, polymorphism analysis, immunoenzyme technique, laboratory biomarker analysis, pharmacological study
Drug · Biological · Genetic + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 19, 2018 · Synced Sep 4, 2026, 8:46 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Contribution of UGT2B17 to the Pharmacokinetics of Diclofenac

NCT06053411
View directory record Official record
Conditions
Interaction
Interventions
Diclofenac, curcumin
Drug · Dietary Supplement
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 4, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Human Hydration Status Monitoring

NCT01124903
View directory record Official record
Conditions
Dehydration
Interventions
Dehydration
Procedure
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 21, 2020 · Synced Sep 4, 2026, 8:46 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 19, 2023 · Synced Sep 4, 2026, 8:46 PM EDT