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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Venous Blood Collection Clear all
Completed No phase listed Observational Accepts healthy volunteers

Microgravity Effects on Co-cultured Vascular Cells Types

NCT03144492
View directory record Official record
Conditions
Microgravity Exposed Endothelial Cells
Interventions
Blood volume collected specifically for this study
Biological
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 50 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 19, 2020 · Synced Sep 21, 2026, 12:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Weightlessness Associated Cephalad Fluid Shifts; The Potential to Evaluate Venous and Lymphatic Dysfunction

NCT06405282
View directory record Official record
Conditions
Fluid Retention Tissue, Perfusion; Complications
Interventions
Manual Lymphatic Drainage, Near infrared spectroscopy, Temperature, Tissue Dialectic Constant
Other · Device
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 21, 2026, 12:18 PM EDT
Active, not recruiting No phase listed Observational

Clinical Evaluation of the i-STAT ACTpro Cartridge in an Adult Population

NCT07382076
View directory record Official record
Conditions
Activated Clotting Time
Interventions
Blood draw
Diagnostic Test
Lead sponsor
Abbott Point of Care
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
11
States / cities
Chandler, Arizona • San Francisco, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 21, 2026, 12:18 PM EDT
Completed Phase 2 Interventional Results available

Study of Pharmacology of 17-OHPC in Pregnancy

NCT00409825
View directory record Official record
Conditions
Pregnancy
Interventions
17-OHPC, Blood Draws
Drug · Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Pittsburgh, Pennsylvania • Galveston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2015 · Synced Sep 21, 2026, 12:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Effect of Acute Lysine Administration on α-aminoadipic Acid (Sub-study)

NCT03063476
View directory record Official record
Conditions
Healthy
Interventions
C-13 labeled Lysine, Normal saline
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 45 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 21, 2026, 12:18 PM EDT
Completed Not applicable Interventional Results available

Accuracy of the Dexcom G6 Continuous Glucose Monitoring System Following Cardiac Surgery

NCT04569240
View directory record Official record
Conditions
Surgery--Complications
Interventions
Dexcom G6 continuous glucose monitor
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 21, 2026, 12:18 PM EDT
Terminated No phase listed Observational Results available

Novel Mechanisms and Predictors of VEGF Receptor Inhibitor- or Immune Checkpoint Inhibitor-Associated Hypertension and Cardiovascular Disease

NCT03709771
View directory record Official record
Conditions
Renal Cell Carcinoma, Hypertension, Melanoma, Cancer
Interventions
Ambulatory Blood Pressure Measurement
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
40 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Sep 21, 2026, 12:18 PM EDT
Completed Not applicable Interventional Results available

Bevacizumab w / Temozolomide PET & Vascular MRI For GBM

NCT01987830
View directory record Official record
Conditions
Recurrent Glioblastoma
Interventions
MRI-PET, TMZ-PET
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Sep 21, 2026, 12:18 PM EDT
Recruiting Phase 2 Interventional

pBI-11 & TA-HPV (With Pembrolizumab as Treatment for Patients w/Advanced, PD-L1 CPS≥1, hrHPV+ Oropharyngeal Cancer

NCT05799144
View directory record Official record
Conditions
Metastatic Oropharyngeal Carcinoma, Recurrent Oropharyngeal Carcinoma
Interventions
DNA Vaccine, Human Papillomavirus Tumor Antigen Vaccine, Pembrolizumab, Computed Tomography (CT), Magnetic Resonance Imaging (MRI), Magnetic Resonance Imaging, Biopsy
Biological · Procedure
Lead sponsor
Michael K. Gibson
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Birmingham, Alabama • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 21, 2026, 12:18 PM EDT
Completed Phase 3 Interventional Results available

Calcineurin Inhibitor-Free Interventions BMT CTN 1301 for Prevention of Graft-versus-Host Disease (BMT CTN 1301)

NCT02345850
View directory record Official record
Conditions
Acute Leukemia, Myelodysplasia
Interventions
Unmanipulated Bone Marrow Graft with Tacrolimus/Methotrexate, Mobilized CD34-selected Peripheral Blood Stem Cell graft, Unmanipulated Bone Marrow Graft with Cyclophosphamide, Cyclophosphamide, Tacrolimus, Methotrexate
Procedure · Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
1 Year to 65 Years
Enrollment
346 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
28
States / cities
Duarte, California • Stanford, California • Gainesville, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2023 · Synced Sep 21, 2026, 12:18 PM EDT
Completed No phase listed Observational

The Association Between Gut Microbiota Diversity and Postpartum Depression

NCT07227753
View directory record Official record
Conditions
Depression During Pregnancy
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 21, 2026, 12:18 PM EDT
Completed Phase 2 Interventional Results available

Investigation of Mesenchymal Stem Cell Therapy for the Treatment of Osteoarthritis of the Knee

NCT02958267
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
BMAC injection, PRP injection, Gel-One® hyaluronate injection
Biological · Device
Lead sponsor
OhioHealth
Other
Eligibility
40 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Sep 21, 2026, 12:18 PM EDT
Completed Not applicable Interventional

Surrogate Markers of Portal Pressure

NCT02508298
View directory record Official record
Conditions
Portal Hypertension, Cirrhosis
Interventions
HVPG, Indocyanine Green Retention test, Liver stiffness measurement, Spleen stiffness measurement
Procedure · Drug · Device
Lead sponsor
VA Connecticut Healthcare System
Federal
Eligibility
18 Years to 85 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
New Haven, Connecticut • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Sep 21, 2026, 12:18 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Clinical Performance of Capillary Blood Samples Collected Using the Tasso+ Serum Gel Capillary Blood Collection System for Clinical Chemistry Testing of 14 Analytes on an Abbott Alinity Analyzer

NCT07260799
View directory record Official record
Conditions
Serum Analytes
Interventions
Tasso+ Serum Gel Capillary Blood Collection System
Diagnostic Test
Lead sponsor
Tasso Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Atlantis, Florida • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 21, 2026, 12:18 PM EDT
Active, not recruiting Not applicable Interventional

A Single Center Diagnostic, Cross-sectional Study of Coronary Microvascular Dysfunction

NCT03537586
View directory record Official record
Conditions
Coronary Microvascular Disease, Ischemic Heart Disease, Myocardial Ischemia
Interventions
Bivalirudin, Adenosine, Heparin, Pressure-Temperature Sensor Guidewire, Guiding Catheter
Drug · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 125 Years
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Sep 21, 2026, 12:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Performance, Usability, and Result Interpretation of INSTI® HIV Self-Test

NCT06368453
View directory record Official record
Conditions
Human Immunodeficiency Virus I Infection, Human Immunodeficiency Virus II Infection
Interventions
INSTI® HIV Self-Test
Device
Lead sponsor
bioLytical Laboratories
Industry
Eligibility
18 Years and older
Enrollment
1,728 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Sep 21, 2026, 12:18 PM EDT
Suspended No phase listed Observational

Capillary-Venous Paired Collection

NCT06183151
View directory record Official record
Conditions
Cancer, Medical Device Performance
Interventions
Entia Liberty System
Device
Lead sponsor
Entia Ltd
Industry
Eligibility
21 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Temple, Texas
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 21, 2026, 12:18 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 21, 2026, 12:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determining the Dose Response Profile of the Headward Fluid Shift During Varying Gravity Levels

NCT06500338
View directory record Official record
Conditions
Healthy
Interventions
free-fall
Procedure
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
25 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 21, 2026, 12:18 PM EDT
Completed No phase listed Observational

Detection of Circulating Osteosarcoma Tumor Cells in the Blood of Patients Using the Polymerase Chain Reaction

NCT00588510
View directory record Official record
Conditions
Osteosarcoma
Interventions
Blood draw
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
3 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 1, 2011 · Synced Sep 21, 2026, 12:18 PM EDT
Recruiting No phase listed Observational

Value of PET/MR Enterography in the Assessment of Crohn's Disease Using a Collagen-binding Radiotracer.

NCT06252493
View directory record Official record
Conditions
Crohn Disease
Interventions
Radiotracer Injection, Contrast Media, Magnetic Resonance, Blood Draw, Glucagon, Imaging, Oral contrast media application
Drug · Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 99 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 21, 2026, 12:18 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Changes in Cellular Immune Profile During COVID-19 Infection

NCT04470999
View directory record Official record
Conditions
Covid19, SARS-CoV-2
Interventions
Leukapheresis
Other
Lead sponsor
Serhat Gumrukcu, MD PhD
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 23, 2022 · Synced Sep 21, 2026, 12:18 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Point of Care Evaluation of Novir 2019-nCoV Immunoglobulin G/ Immunoglobulin M (IgG/IgM) Antibody Test (Collodial Gold)

NCT04902911
View directory record Official record
Conditions
Covid19
Interventions
COVID-19 SARS-CoV IgG/IgM antibody rapid test
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
21 Years and older
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced Sep 21, 2026, 12:18 PM EDT
Completed Not applicable Interventional

Biomarkers in the Diagnosis and Assessment of Pulmonary Arterial Hypertension (PAH)

NCT00566423
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Blood draw
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2011 · Synced Sep 21, 2026, 12:18 PM EDT