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ClinicalTrials.gov public records Last synced Oct 2, 2026, 2:23 PM EDT

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Showing 73–96 of 215 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Blood and Urine samples Clear all
Active, not recruiting Phase 1 Interventional

Genetic Testing in Predicting Biomarkers of Recurrence in Patients With Prostate Cancer Undergoing Surgery

NCT00977457
View directory record Official record
Conditions
Prostate Cancer
Interventions
DNA analysis, DNA methylation analysis, RNA analysis, gene expression analysis, polymerase chain reaction, diagnostic laboratory biomarker analysis, therapeutic conventional surgery
Genetic · Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
1,045 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 2, 2026, 2:23 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Effect of Dietary Soy on Estrogens in Breast Fluid, Blood, and Urine Samples From Healthy Women

NCT00513916
View directory record Official record
Conditions
Breast Cancer, Healthy, no Evidence of Disease
Interventions
soy isoflavones
Dietary Supplement
Lead sponsor
University of Hawaii Cancer Research Center
Other
Eligibility
30 Years to 45 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Dec 19, 2013 · Synced Oct 2, 2026, 2:23 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Transdermal Absorption of Dimercaptopropane-1-Sulfonate (DMPS) and Effect on Urinary Mercury Excretion

NCT01059474
View directory record Official record
Conditions
Toxicity
Interventions
transdermal DMPS
Drug
Lead sponsor
Banner Health
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 22, 2011 · Synced Oct 2, 2026, 2:23 PM EDT
Completed Phase 2 Interventional Results available

Tetrahydrobiopterin in Patients With Chronic Kidney Disease (CKD) and Albuminuria

NCT00625820
View directory record Official record
Conditions
Kidney Disease, Albuminuria
Interventions
6R BH4, Vitamin C
Drug · Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 75 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Oct 2, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Biomarkers Intervention Core

NCT05616585
View directory record Official record
Conditions
Biological Markers, Diet, Healthy, Metabolomics, Nutrition, Healthy
Interventions
Pharmacokinetic (PK)- Controlled Feeding Diet, Dose Response (DR)- Controlled Feeding Diet
Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 2, 2026, 2:23 PM EDT
Completed Not applicable Interventional

A Pilot Study to Determine Fructose Uptake by Primary Human Colorectal Tumors

NCT05136092
View directory record Official record
Conditions
Colorectal Tumors
Interventions
Cohort 1: HFCS (fructose) fed, Cohort 2: D-Xylose (xylose-fed)
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Oct 2, 2026, 2:23 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Better Than Study: Targeting Heavy Alcohol Use With Naltrexone Among Men Who Have Sex With Men (MSM)

NCT02330419
View directory record Official record
Conditions
Binge Drinking, HIV
Interventions
Placebo, Naltrexone, Medical Management (MM) counseling for alcohol use:, Urinalysis for novel alcohol biochemical markers:, Behavioral survey measurements:, Dried Blood Spot (DSB) Testing for Phosphatidylethanol, Ecological Momentary Assessment
Drug · Behavioral · Diagnostic Test
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2025 · Synced Oct 2, 2026, 2:23 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Dietary Intervention (Soy Soft Pretzels) for Reducing Chronic Inflammation in Obese Individuals

NCT07650409
View directory record Official record
Conditions
Colorectal Carcinoma, Obesity-Related Malignant Neoplasm
Interventions
Biospecimen Collection, Dietary Intervention, Questionnaire Administration
Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 49 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 2, 2026, 2:23 PM EDT
Terminated No phase listed Observational

Non-Encapsulated Heme Levels in Adult Cardiac Surgery

NCT04043507
View directory record Official record
Conditions
Adult Cardiac Surgery
Interventions
Sample Collection
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 18, 2024 · Synced Oct 2, 2026, 2:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessment of Endogenous Oxalate Synthesis

NCT05229952
View directory record Official record
Conditions
Healthy, Kidney Stone, Obesity
Interventions
Low-oxalate controlled diet, Primed, continuous intravenous infusion of 13C2-oxalate
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Oct 2, 2026, 2:23 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Collection of Tissue Specimens From Patients With Solid Tumors or Blood Disorders and Their HLA-Compatible Family Members

NCT00071045
View directory record Official record
Conditions
Neoplasms, Hematologic Neoplasms, Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 100 Years
Enrollment
6,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 2, 2026, 2:23 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Microbiome and Axial Spondyloarthritis

NCT04713995
View directory record Official record
Conditions
Axial Spondyloarthritis
Interventions
Dietary recommendations
Other
Lead sponsor
Viome
Industry
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Jul 8, 2022 · Synced Oct 2, 2026, 2:23 PM EDT
Recruiting No phase listed Observational

Collection of Blood and Urine Samples in Patients Receiving Radiation Therapy for Glioblastoma Multiforme

NCT00083512
View directory record Official record
Conditions
Glioblastoma Multiforme
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 2, 2026, 2:23 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Johns Hopkins Breast Cancer Program Longitudinal Repository

NCT01937039
View directory record Official record
Conditions
Breast Cancer, Benign Breast Disease
Interventions
Sample collection
Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
810 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 2, 2026, 2:23 PM EDT
Active, not recruiting No phase listed Observational

Biological Sample Repository for Gastrointestinal Disorders

NCT05874726
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Obesity, Primary, Gastro-Intestinal Disorder, Overweight and Obesity, Overweight, Overweight or Obesity, Diabetes Type 2, Diabetes Mellitus, Diabetes Mellitus, Type 2, Hypertension, Hyperlipidemias, Sleep Apnea, GERD, Gastroesophageal Reflux, Musculoskeletal Pain Disorder, Cancer
Interventions
Blood Collection, Urine Collection, Tissue Sample Collection
Diagnostic Test
Lead sponsor
Pichamol Jirapinyo, MD, MPH
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 2, 2026, 2:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarker 11-dh-TXB2 in Blood and Urine Samples From Patients With Prostate Cancer and Healthy Volunteers

NCT00984919
View directory record Official record
Conditions
Prostate Cancer
Interventions
high performance liquid chromatography, laboratory biomarker analysis, mass spectrometry
Other
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
40 Years to 120 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 15, 2016 · Synced Oct 2, 2026, 2:23 PM EDT
Completed No phase listed Observational

Study of Kidney Tumors in Younger Patients

NCT00898365
View directory record Official record
Conditions
Adult Cystic Nephroma, Anaplastic Kidney Wilms Tumor, Angiolipoma, Cellular Congenital Mesoblastic Nephroma, Classic Congenital Mesoblastic Nephroma, Clear Cell Sarcoma of the Kidney, Congenital Mesoblastic Nephroma, Cystic Partially Differentiated Kidney Nephroblastoma, Diffuse Hyperplastic Perilobar Nephroblastomatosis, Extrarenal Rhabdoid Tumor, Kidney Medullary Carcinoma, Kidney Neoplasm, Kidney Oncocytoma, Kidney Wilms Tumor, Metanephric Adenofibroma, Metanephric Adenoma, Metanephric Stromal Tumor, Metanephric Tumor, Mixed Congenital Mesoblastic Nephroma, Ossifying Renal Tumor of Infancy, Papillary Renal Cell Carcinoma, Renal Cell Carcinoma, Renal Cell Carcinoma Associated With Xp11.2 Translocations/TFE3 Gene Fusions, Rhabdoid Tumor of the Kidney, Wilms Tumor
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 29 Years
Enrollment
8,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2026
U.S. locations
214
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 153 more
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 2, 2026, 2:23 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Cannabichromene Safety in Rheumatoid Arthritis

NCT07087938
View directory record Official record
Conditions
Arthritis, Rheumatoid
Interventions
Cannabichromene
Drug
Lead sponsor
Crystal Lederhos Smith
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2028 – 2030
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 2, 2026, 2:23 PM EDT
Terminated No phase listed Observational

Collecting, Analyzing, and Storing Samples From Patients With Metastatic, Triple Negative Breast Cancer Receiving Anti-cancer Therapy

NCT01957514
View directory record Official record
Conditions
Estrogen Receptor Negative, HER2/Neu Negative, Progesterone Receptor Negative, Stage IV Breast Cancer AJCC v6 and v7, Triple-Negative Breast Carcinoma
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
Seattle, Washington • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Sep 30, 2021 · Synced Oct 2, 2026, 2:23 PM EDT
Completed No phase listed Observational

Prediction by Ultrasound of the Risk of Hepatic Cirrhosis in Cystic Fibrosis

NCT01144507
View directory record Official record
Conditions
Cystic Fibrosis, Pancreatic Insufficiency
Interventions
Abdominal Ultrasound, Sample collection procedures
Procedure · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
3 Years to 12 Years
Enrollment
774 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
10
States / cities
Aurora, Colorado • Atlanta, Georgia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 2, 2026, 2:23 PM EDT
Terminated No phase listed Observational Results available

Predictors of Tumor Response and of Radiation Therapy Side Effects in Patients With Gastrointestinal Cancers

NCT01445327
View directory record Official record
Conditions
Esophageal Cancer, Stomach Cancer, Pancreatic Cancer
Interventions
Specimen collection
Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Oct 2, 2026, 2:23 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Aspirin in Preventing Colorectal Cancer in Patients With Colorectal Adenoma

NCT02965703
View directory record Official record
Conditions
Colorectal Adenoma, Colorectal Carcinoma
Interventions
Aspirin, Biospecimen Collection, Placebo Administration, Questionnaire Administration, Rectal Biopsy
Drug · Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 2, 2026, 2:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Studying Biomarkers in Nipple Fluid, Urine, and Blood Samples From Women With Newly Diagnosed Ductal Carcinoma In Situ or Stage I or Stage II Breast Cancer and in Women at Risk of Developing Breast Cancer

NCT00897208
View directory record Official record
Conditions
Breast Cancer
Interventions
high performance liquid chromatography, laboratory biomarker analysis, mass spectrometry, medical chart review, evaluation of cancer risk factors
Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
19 Years to 80 Years · Female only
Enrollment
316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 5, 2018 · Synced Oct 2, 2026, 2:23 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 4, 2026 · Synced Oct 2, 2026, 2:23 PM EDT