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ClinicalTrials.gov public records Last synced Oct 4, 2026, 2:52 PM EDT

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

Showing 121–144 of 986 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Blood Sample Draw Clear all
Completed No phase listed Observational Accepts healthy volunteers

Non-invasive Spot Hemoglobin Measurement in the Outpatient Obstetric Clinic

NCT03175042
View directory record Official record
Conditions
Anemia in Pregnancy
Interventions
Masimo spot hemoglobin non-invasive monitor
Device
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2019 · Synced Oct 4, 2026, 2:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Levels of Serum Resistin in Asthmatics as a Potential Marker of Systemic Inflammation and Disease State.

NCT00339703
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
59th Medical Wing
Federal
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Oct 4, 2026, 2:52 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

The Role of Molecules in Blood Cells for Diagnosing Bipolar Disorders

NCT02804334
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Psychiatric Questionnaires, Blood draw
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 1, 2018 · Synced Oct 4, 2026, 2:52 PM EDT
Completed Not applicable Interventional

Multi-Day Evaluation of the TIVA Device

NCT02747147
View directory record Official record
Conditions
Blood Collections Via Peripheral IV Catheter
Interventions
TIVA blood collection device
Device
Lead sponsor
Velano Vascular, Inc.
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Oct 4, 2026, 2:52 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Protocol to Obtain Blood and Bone Marrow Samples for Myeloma Research

NCT01382615
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Not listed
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced Oct 4, 2026, 2:52 PM EDT
Terminated No phase listed Observational

NT-3 Levels and Function in Individuals With CMT

NCT05011006
View directory record Official record
Conditions
Charcot-Marie-Tooth Disease, Peripheral Neuropathy, Chronic Inflammatory Demyelinating Polyneuropathy
Interventions
NT3 blood draw
Diagnostic Test
Lead sponsor
Zarife Sahenk
Other
Eligibility
7 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 4, 2026, 2:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ketogenic Intervention in Depression

NCT06080932
View directory record Official record
Conditions
Depression, Ketosis
Interventions
Ketogenic Diet, NIH Toolbox, gradCPT, Resting-state fMRI, Task-fMRI, CGM/CKM, Blood Draw, Sleep Monitoring, Ketone/Glucose Monitoring, Body Composition, PHQ-9, WHO-5, SKID
Other · Biological · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 30 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Oct 4, 2026, 2:52 PM EDT
Recruiting Not applicable Interventional

Platelet Rich Plasma Testis Treatment for Infertile Men

NCT05479474
View directory record Official record
Conditions
Male Infertility, Nonobstructive Azoospermia, Azoospermia
Interventions
Platelet rich plasma
Biological
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 4, 2026, 2:52 PM EDT
Completed Not applicable Interventional

Effects of a Whole-food, Plant-based Nutrition Program on BP and Potassium in Subjects With CKD

NCT06343129
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Dietary education program
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 4, 2026, 2:52 PM EDT
Recruiting No phase listed Observational

Effect of Neoadjuvant or Adjuvant Systemic Therapy on Breast Cancers, Bone Marrow Cancer Cells, and Circulating Cancer Cells

NCT00353483
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Peripheral blood draw, Breast tissue collection, Bone marrow biopsy
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 28, 2025 · Synced Oct 4, 2026, 2:52 PM EDT
Recruiting Phase 4 Interventional

Treat-to-Target Serum Urate Versus Treat-to-Avoid Symptoms in Gout

NCT04875702
View directory record Official record
Conditions
Gout
Interventions
Allopurinol, Naproxen 250 MG, Colchicine 0.6 mg, Colchicine 1.2 mg, Naproxen 500 Mg, Prednisone 40 mg
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
7
States / cities
South Birmingham, Alabama • Santa Monica, California • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Oct 4, 2026, 2:52 PM EDT
Completed No phase listed Observational

Molecular Mechanisms of Clinical Resistance to Targeted Therapy Among Patients With Breast Cancer

NCT00897702
View directory record Official record
Conditions
Breast Cancer
Interventions
Blood draw, immunoenzyme technique, biopsy, histopathologic examination
Other · Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 4, 2026, 2:52 PM EDT
Completed No phase listed Observational

Evaluation of Biomarkers of Traumatic Brain Injury

NCT01426919
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Head CT scan and blood draw within 12 hours of injury
Other
Lead sponsor
Banyan Biomarkers, Inc
Industry
Eligibility
18 Years and older
Enrollment
2,011 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
17
States / cities
San Diego, California • Hartford, Connecticut • Gainesville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Oct 4, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Plasm Gastrin Concentrations in Response to Nexium Administration in Healthy Volunteers

NCT01135472
View directory record Official record
Conditions
Healthy
Interventions
Esomeprazole Magnesium
Drug
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Oct 4, 2026, 2:52 PM EDT
Completed No phase listed Observational

Changes in Cytokine Levels During an Acute Exacerbation of Chronic Obstructive Pulmonary Disease

NCT00281242
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Lung Diseases, Obstructive
Interventions
blood draw
Other
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 29, 2016 · Synced Oct 4, 2026, 2:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hypoxia Inducible Factor 1 Alpha as a Novel Biomarker in Septic Shock

NCT02163473
View directory record Official record
Conditions
Sepsis
Interventions
Septic patients, Healthy Control
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 13, 2016 · Synced Oct 4, 2026, 2:52 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Resistance and Aerobic Exercise for Prevention in Women With Dense Breasts (REP-D)

NCT06322888
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female
Interventions
Exercise Training Program
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 59 Years · Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 4, 2026, 2:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Can Virtual Reality Reduce Pain and Anxiety During Blood Draw

NCT04449341
View directory record Official record
Conditions
Procedural Anxiety, Procedural Pain
Interventions
Oculus Go headset with Ocean Rift application
Device
Lead sponsor
C.R.Darnall Army Medical Center
Federal
Eligibility
18 Years to 50 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fort Hood, Texas
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Oct 4, 2026, 2:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

CYP2B6 Genetics and Drug Interactions in Healthy Volunteers

NCT02401256
View directory record Official record
Conditions
Healthy
Interventions
Efavirenz, Bupropion, Rosuvastatin, Montelukast
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 49 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 11, 2017 · Synced Oct 4, 2026, 2:52 PM EDT
Recruiting No phase listed Observational

Mechanisms Underlying Impaired Diabetic Wound Healing

NCT00777712
View directory record Official record
Conditions
Non-healing Wound
Interventions
Blood draw
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2030
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 4, 2026, 2:52 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 4, 2026, 2:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Effect of Obesity on Immune Response to Pneumovax 23

NCT02471014
View directory record Official record
Conditions
Obesity
Interventions
Pneumovax 23, Blood tests, Questionnaires
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 35 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 1, 2020 · Synced Oct 4, 2026, 2:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Platelet PAR-1 Activation in Health and Diabetes

NCT04280549
View directory record Official record
Conditions
Type 2 Diabetes, Healthy
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Oct 4, 2026, 2:52 PM EDT
Completed Phase 1 Interventional

Dendritic Cell Vaccine for Children and Adults With Sarcoma

NCT01803152
View directory record Official record
Conditions
Sarcoma, Soft Tissue Sarcoma, Bone Sarcoma
Interventions
Dendritic Cells Vaccine, Lysate of Tumor, Gemcitabine, Imiquimod, Leukapheresis
Biological · Drug · Procedure
Lead sponsor
Macarena De La Fuente, MD
Other
Eligibility
1 Year to 100 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 4, 2026, 2:52 PM EDT