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ClinicalTrials.gov public records Last synced Oct 25, 2026, 9:45 AM EDT

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Showing 673–696 of 1,536 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: phlebotomy Clear all
Completed No phase listed Observational

Men Undergoing Radical Prostatectomy

NCT00582530
View directory record Official record
Conditions
Prostate Cancer
Interventions
Whole Blood Draw
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
513 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2022 · Synced Oct 25, 2026, 9:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin B6 Dependence of One-Carbon Metabolism

NCT00877812
View directory record Official record
Conditions
Vitamin B6 Deficiency
Interventions
Arm 1 glycine and leucine, Arm 2 Intervention of Serine and methionine infusion
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
20 Years to 40 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 27, 2013 · Synced Oct 25, 2026, 9:45 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Antioxidant Bioavailability

NCT04463030
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Liposomal vitamin C, 1 gram, Liposomal vitamin C, 2 grams, Liposomal vitamin C, 5 grams, Placebo
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Oct 25, 2026, 9:45 AM EDT
Active, not recruiting No phase listed Observational

Dendritic Cells in Patients With Acute or Chronic Skin Graft Versus Host Disease

NCT02611180
View directory record Official record
Conditions
Acute Graft-versus-host Disease, Acute GVHD, Chronic Graft-versus-host Disease, Chronic GVHD
Interventions
Skin punch biopsy, Peripheral blood draw
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 25, 2026, 9:45 AM EDT
Not listed No phase listed Observational

Study of Treatment's Echocardiographic Mechanisms

NCT03913403
View directory record Official record
Conditions
Sepsis
Interventions
ECHO, Blood Draw
Procedure
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
7
States / cities
Boston, Massachusetts • The Bronx, New York • Winston-Salem, North Carolina + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Oct 25, 2026, 9:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Predictors of Sepsis in Ex-Preterm Infants

NCT03433846
View directory record Official record
Conditions
Sepsis, Premature Birth
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
0 Days to 2 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 20, 2022 · Synced Oct 25, 2026, 9:45 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Feasibility of Non-invasive Dried Blood Sampling

NCT05492734
View directory record Official record
Conditions
Muscular Dystrophies
Interventions
EDG-5506
Drug
Lead sponsor
Edgewise Therapeutics, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 2, 2022 · Synced Oct 25, 2026, 9:45 AM EDT
Completed Early Phase 1 Interventional

Immunotherapy + Radiation in Resectable Soft Tissue Sarcoma

NCT03463408
View directory record Official record
Conditions
Sarcoma
Interventions
nivolumab, ipilimumab
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 25, 2026, 9:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Cycling, Running, and Playing Rugby on Three Biomarkers That May Indicate Brain Injury

NCT06804291
View directory record Official record
Conditions
Healthy Male and Female Subjects
Interventions
Running, Cycling, Rugby, control group
Other
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boone, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 25, 2026, 9:45 AM EDT
Withdrawn Phase 3 Interventional

Therapeutic Benefit of Preoperative Supplemental Vitamin D in Patients Undergoing Major Surgical Procedures.

NCT02138591
View directory record Official record
Conditions
Vitamin d Deficiency
Interventions
Blood draw pre-operatively, Blood draw post-operative Day 1, Blood draw post-operative Day 2
Procedure
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Oct 25, 2026, 9:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

NAD+ Oral Supplement Pilot Intervention in Adult Females

NCT06579209
View directory record Official record
Conditions
Cognitive Change, Inflammation, Neurodegenerative Diseases
Interventions
Treatment, Placebo
Dietary Supplement · Other
Lead sponsor
University of Rhode Island
Other
Eligibility
40 Years to 80 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Kingston, Rhode Island • Pawtucket, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 25, 2026, 9:45 AM EDT
Recruiting No phase listed Observational

Biomarkers of Resiliency In Childhood Cancer Surgery

NCT06674811
View directory record Official record
Conditions
Pediatric Cancer, Neuroblastoma, Sarcoma, Wilms Tumor and Other Childhood Kidney Tumors, Childhood Soft Tissue Sarcoma, Childhood Bone Sarcoma, Childhood Malignant Intestinal Neoplasm, Childhood Malignant Liver Neoplasm, Childhood Malignant Lung Neoplasm, Childhood Malignant Ovarian Neoplasm, Childhood Malignant Pleural Neoplasm, Childhood Neuroblastic Tumor, Childhood Sarcoma
Interventions
Wearing Smartwatch, Patient Report Outcomes, Blood Draw, Clinical Data Review
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 25 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 25, 2026, 9:45 AM EDT
Terminated Not applicable Interventional

PET/MR Assessment of Sipuleucel T Treatment for Metastatic Castration Resistant Prostate Cancer

NCT02042053
View directory record Official record
Conditions
Prostate Cancer
Interventions
PET/CT, PET/MRI
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Oct 25, 2026, 9:45 AM EDT
Completed Phase 2Phase 3 Interventional

VeinViewer for Peripheral IV Placement in Children With Difficult Intravenous (IV) Access

NCT00357799
View directory record Official record
Conditions
Catheterization, Peripheral, Phlebotomy
Interventions
VeinViewer
Device
Lead sponsor
Children's Hospital and Health System Foundation, Wisconsin
Other
Eligibility
Up to 19 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 24, 2011 · Synced Oct 25, 2026, 9:45 AM EDT
Completed Not applicable Interventional Results available

Counter-Regulatory Impairment and the Effect of Microvascular Insulin Transfer in Type 1 Diabetes Mellitus

NCT00943787
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Hyperinsulinemic, euglycemic and hypoglycemic clamp
Procedure
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 8, 2014 · Synced Oct 25, 2026, 9:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cross Sectional Study of Vaccine Antibody Response in Inflammatory Bowel Disease Patients

NCT02434133
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD)
Interventions
Blood Draw/Data Collection
Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 27, 2018 · Synced Oct 25, 2026, 9:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

African American Alzheimer's Progression Markers - CSF and Neuro-Imaging

NCT02089555
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Lumbar puncture, Blood draw, Magnetic Resonance Imaging (MRI)
Procedure
Lead sponsor
Emory University
Other
Eligibility
60 Years to 85 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 23, 2016 · Synced Oct 25, 2026, 9:45 AM EDT
Completed Phase 1 Interventional

MRI-Guided Laser Surgery and Doxorubicin Hydrochloride in Treating Patients With Recurrent Glioblastoma Multiforme

NCT01851733
View directory record Official record
Conditions
Glioblastoma
Interventions
MRI-guided Laser Heat Ablation (MLA), Doxorubicin, Blood draw - dendritic cells, Dynamic Susceptibility Contrast Magnetic Resonance Imaging
Device · Drug · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 27, 2021 · Synced Oct 25, 2026, 9:45 AM EDT
Recruiting No phase listed Observational

Precision Medicine Approaches to Renal Osteodystrophy

NCT05880914
View directory record Official record
Conditions
Renal Osteodystrophy, Chronic Kidney Diseases, CKD-MBD, Bone Turnover Rate Disorder, Secondary Hyperparathyroidism
Interventions
miRNAseq analysis, Standard treatment for bone disorder
Procedure · Drug
Lead sponsor
Thomas Nickolas
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 25, 2026, 9:45 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

J-Tip® Jet Injection of 1% Buffered Lidocaine or Saline Versus 4% Lidocaine Cream Before Venipuncture or IV Insertion

NCT00924963
View directory record Official record
Conditions
Pain
Interventions
J-Tip jet injector, Jet injection saline, lidocaine cream
Device · Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Liberty Township, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 21, 2020 · Synced Oct 25, 2026, 9:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Autonomic Failure Patients for RNA Blood Sampling

NCT00742586
View directory record Official record
Conditions
Pure Autonomic Failure, Multiple System Atrophy, Parkinson's Plus Syndromes
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
50 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Oct 25, 2026, 9:45 AM EDT
Recruiting Phase 2 Interventional

Single Cell Immune and Non-immune Correlates of Response to Neoadjuvant Abemaciclib

NCT04614194
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole, Abemaciclib
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 25, 2026, 9:45 AM EDT
Withdrawn Early Phase 1 Interventional

Multimodality MRI and Liquid Biopsy in GBM

NCT04776980
View directory record Official record
Conditions
Glioblastoma Multiforme, Brain Tumor, Adult: Glioblastoma, Brain Tumor, Recurrent, Brain Tumor, Primary
Interventions
Post Feraheme Infusion MRI
Diagnostic Test
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 16, 2022 · Synced Oct 25, 2026, 9:45 AM EDT
Completed No phase listed Observational

Blood Collection From Heart Failure Patients to Evaluate for Galectin-3 Measurement Differences Using Various Collection Tubes

NCT01980862
View directory record Official record
Conditions
To Measure Galectin-3 in Heart Failure Patients on Commercial Platforms
Interventions
Not listed
Lead sponsor
Fujirebio Diagnostics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 25, 2026, 9:45 AM EDT