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ClinicalTrials.gov public records Last synced Oct 23, 2026, 5:23 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 457–480 of 1,536 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: phlebotomy Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Molecular Basis for Variations in Hereditary Colorectal Cancer Syndromes

NCT02863172
View directory record Official record
Conditions
Hereditary Colorectal Cancer Syndrome
Interventions
Questionnaires, Blood Draw/Saliva Sample
Behavioral · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 23, 2026, 5:23 PM EDT
Completed Phase 1 Interventional

Oral Nifedipine to Treat Iron Overload

NCT00712738
View directory record Official record
Conditions
Thalassemia, Iron Overload, Hemochromatosis
Interventions
Nifedipine, Phlebotomy, Urinalysis, Echocardiogram, Electrocardiogram
Drug · Procedure
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 23, 2026, 5:23 PM EDT
Completed No phase listed Observational

Personalized Risk Evaluation and Diagnosis (Using Corus CAD or ASGES) in the Coronary Tree

NCT00500617
View directory record Official record
Conditions
Coronary Artery Disease, Angina Pectoris, Chest Pain, Cardiovascular Diseases, Coronary Heart Disease, CAD, CVD, CHD
Interventions
Corus CAD (ASGES)
Diagnostic Test
Lead sponsor
CardioDx
Industry
Eligibility
21 Years to 99 Years
Enrollment
4,350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
10
States / cities
Anchorage, Alaska • Beverly Hills, California • La Jolla, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Oct 23, 2026, 5:23 PM EDT
Recruiting No phase listed Observational

Testosterone Deficiency and Endothelial Dysfunction After Spinal Cord Injury

NCT07227740
View directory record Official record
Conditions
Spinal Cord Injuries, Endothelial Dysfunction, Testosterone Deficiency
Interventions
Intra-arterial Infusion of Vasoactive Agents, Intra-arterial Vitamin C Infusion, Blood Sampling
Diagnostic Test
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years to 89 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 23, 2026, 5:23 PM EDT
Completed No phase listed Observational

Expanded NIPT for Pregnancy Complications

NCT04311749
View directory record Official record
Conditions
Fetal Growth Restriction, Preeclampsia Severe
Interventions
Expanded panel cell free DNA testing (non-invasive prenatal testing), Placental biopsy, Umbilical cord blood
Genetic
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
70 participants
Timeline
2020 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 18, 2024 · Synced Oct 23, 2026, 5:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Depressed AIRE Gene Expression Causes Immune Cell Dysfunction & Autoimmunity in Down Syndrome

NCT02421276
View directory record Official record
Conditions
Down Syndrome, Polyendocrinopathies, Autoimmune, Respiratory Tract Infections, Autoimmunity
Interventions
Phlebotomy
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 22 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 23, 2026, 5:23 PM EDT
Active, not recruiting No phase listed Observational

Accurate Point of Care Liver Disease Diagnostics

NCT05986916
View directory record Official record
Conditions
NAFLD, Nonalcoholic Fatty Liver
Interventions
Liverscope® exam, MR exam, FibroScan® exam (optional), Blood draw, Body measurements, Questionnaires
Diagnostic Test · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Oct 23, 2026, 5:23 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Persistence and Immune Response to a Booster Dose of MenACWY

NCT01018732
View directory record Official record
Conditions
Meningococcal Disease, Meningococcal Meningitis
Interventions
Novartis Meningococcal (MenACWY-CRM) vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
16 Years to 23 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
3
States / cities
Rochester, Minnesota • Pittsburgh, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Oct 23, 2026, 5:23 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Human iPSC for Repair of Vasodegenerative Vessels in Diabetic Retinopathy

NCT03403699
View directory record Official record
Conditions
Diabetes Complications, Diabetic Retinopathy
Interventions
Generation of inducible pluripotent stem cells
Biological
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years to 98 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 23, 2026, 5:23 PM EDT
Not listed No phase listed Observational

The Effect of IBD Flares on Serum PSA

NCT03558048
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Prostate Cancer
Interventions
Blood draw
Diagnostic Test
Lead sponsor
Northwestern University
Other
Eligibility
40 Years to 69 Years · Male only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Oct 23, 2026, 5:23 PM EDT
Recruiting Not applicable Interventional

Well-Formulated Ketogenic Diet Polycystic Kidney Disease

NCT06325644
View directory record Official record
Conditions
Polycystic Kidney Disease
Interventions
Ketogenic Diet, Ketone/Glucose Monitoring, CGM/CKM, Blood Draw, Body Composition, Change in glomerular filtration rate (mg/mmol) via magnetic resonance imaging (MRI) .
Other · Biological
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 23, 2026, 5:23 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 23, 2025 · Synced Oct 23, 2026, 5:23 PM EDT
Completed No phase listed Observational

Growth Factor Levels in the Blood of Patients Undergoing Radiation Therapy for Epithelial Cancer

NCT00897793
View directory record Official record
Conditions
Breast Cancer, Colorectal Cancer, Head and Neck Cancer, Lung Cancer, Prostate Cancer
Interventions
venipuncture, radiation therapy
Procedure · Radiation
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
3
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 12, 2013 · Synced Oct 23, 2026, 5:23 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Skin Barrier Assessment in Pregnancy and at Birth

NCT04445298
View directory record Official record
Conditions
Pregnancy Related, Allergy, Atopic Dermatitis Eczema, Asthma in Children, Food Allergy
Interventions
Transepidermal water loss, Skin tape stripping, Blood draw, Bacterial PCR swab
Diagnostic Test
Lead sponsor
National Jewish Health
Other
Eligibility
0 Minutes to 55 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 10, 2020 · Synced Oct 23, 2026, 5:23 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Impact of Metformin in Teens With Polycystic Ovary Syndrome (PCOS) on Oral Contraceptive Therapy

NCT00283816
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Metformin, Oral Contraceptive Pill, Lifestyle Management Program, Quality of Life Questionnaire, Oral Glucose Tolerance Test, Blood work, Abdominal Ultra Sound, Dual-energy x-ray absorptiometry (DEXA scan), placebo
Drug · Behavioral · Procedure
Lead sponsor
University of Rochester
Other
Eligibility
12 Years to 18 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 15, 2015 · Synced Oct 23, 2026, 5:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

SpO2 Accuracy Validation of the OxySoft Sensor Via Reference CO-Oximetry Motion Study

NCT04559763
View directory record Official record
Conditions
Hypoxia, Desaturation of Blood
Interventions
Non-Invasive Controlled Hypoxia, Introduction of Motion conditions: tapping or rubbing
Device · Other
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 23, 2026, 5:23 PM EDT
Terminated Phase 2 Interventional Results available

Study of Vitespen (HSPPC-96, Oncophage ®) for Immune Response Assessment in Participants With Resectable Renal Cell Carcinoma at Intermediate Risk of Recurrence

NCT01147536
View directory record Official record
Conditions
Renal Cell Carcinoma
Interventions
HSPPC-96
Biological
Lead sponsor
Agenus Inc.
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Albany, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2021 · Synced Oct 23, 2026, 5:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Physical Activity and Cognitive Function in Older Adults: A Novel Role for GPLD1

NCT04645134
View directory record Official record
Conditions
Aging, Cognitive Dysfunction
Interventions
Brain Health Assessments
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
65 Years to 85 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Oct 23, 2026, 5:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing Neuroinflammation in GWI Using MRS

NCT04638998
View directory record Official record
Conditions
Gulf War Syndrome
Interventions
Magnetic Resonance Spectroscopic Imaging, Blood draw
Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
46 Years to 70 Years · Male only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Oct 23, 2026, 5:23 PM EDT
Completed Phase 1 Interventional

HIV-1 Specific T -Cells (HST-NEETs) for HIV-Infected Individuals

NCT03485963
View directory record Official record
Conditions
HIV Infections
Interventions
HST-NEETs
Biological
Lead sponsor
Catherine Bollard
Other
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
3
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 23, 2026, 5:23 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Complementary and Alternative Medicine Sauna Detoxification Study: Phase I

NCT01905098
View directory record Official record
Conditions
Hyperthermia
Interventions
Sauna Detoxification Protocol, Observation Sessions
Other
Lead sponsor
Bastyr University
Other
Eligibility
21 Years to 35 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Kenmore, Washington
Source: ClinicalTrials.gov public record
Updated Apr 17, 2015 · Synced Oct 23, 2026, 5:23 PM EDT
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Cardiox Liver Function Test Pivotal Trial

NCT02552901
View directory record Official record
Conditions
Hepatic Failure, Liver Failure
Interventions
0.1 mg/kg ICG Dose, 0.5 mg/kg ICG dose
Drug
Lead sponsor
Cardiox Corporation
Industry
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 15, 2016 · Synced Oct 23, 2026, 5:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Evaluating Mitochondrial Dysfunction in Patients With Neurofibromatosis Type 1

NCT05912400
View directory record Official record
Conditions
Neurofibromatosis 1
Interventions
Blood draw, FACIT-F and Pain Scales
Diagnostic Test · Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Oct 23, 2026, 5:23 PM EDT
Completed Not applicable Interventional

Utilizing Off-the-shelf Technology to Improve Diabetes Management in a Rural Population

NCT03105011
View directory record Official record
Conditions
Diabetes
Interventions
EpxDiabetes software
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 8, 2018 · Synced Oct 23, 2026, 5:23 PM EDT