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ClinicalTrials.gov public records Last synced Sep 11, 2026, 2:07 PM EDT

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Showing 1–24 of 985 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: drawing blood sample Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Lung Macrophage Populations and Functions in Chronic Obstructive Pulmonary Disease (COPD)-Susceptible Smokers

NCT04722835
View directory record Official record
Conditions
Copd, Smoking, Tobacco Use
Interventions
Bronchoscopy with Bronchoalveolar Lavage (BAL)
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2030
U.S. locations
3
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 11, 2026, 2:07 PM EDT
Completed Not applicable Interventional Results available

Intradialytic Drug Removal by Short-daily Hemodialysis

NCT00596167
View directory record Official record
Conditions
End Stage Renal Disease, Infection
Interventions
Intravenous antibiotics
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 24, 2016 · Synced Sep 11, 2026, 2:07 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

State of Hormones Impact Nociceptive Expression

NCT05787470
View directory record Official record
Conditions
Pain, Gender Identity
Interventions
Quantative sensory testing, Blood Draw
Behavioral · Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 11, 2026, 2:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Single Cell Genomics of Psoriatic Skin

NCT02929745
View directory record Official record
Conditions
Psoriasis
Interventions
Skin biopsy, Blood draw
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Sep 11, 2026, 2:07 PM EDT
Completed No phase listed Observational

Sinusoidal Obstruction Syndrome for Stem Cell Transplant Patients Biomarker Study

NCT03132337
View directory record Official record
Conditions
Sinusoidal Obstruction Syndrome
Interventions
Serial Blood Draws
Other
Lead sponsor
Indiana University
Other
Eligibility
Up to 25 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Indianapolis, Indiana • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2023 · Synced Sep 11, 2026, 2:07 PM EDT
Completed No phase listed Observational

Long Term Follow Up Of Patients Who Have Received Gene Therapy Or Gene Marked Products

NCT00695279
View directory record Official record
Conditions
Severe Combined Immunodeficiency, Malignancy, Hematologic, Neuroblastoma, Neoplasm, Mucopolysaccharidosis I
Interventions
Venipuncture
Procedure
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2024
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Sep 11, 2026, 2:07 PM EDT
Not listed No phase listed Observational

Age-related Macular Degeneration (AMD) and Cardiovascular Disease

NCT04087356
View directory record Official record
Conditions
Age-related Macular Degeneration, Coronary Artery Disease, Cardiovascular Diseases
Interventions
Blood draw
Genetic
Lead sponsor
The New York Eye & Ear Infirmary
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Sep 11, 2026, 2:07 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 27, 2026 · Synced Sep 11, 2026, 2:07 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of T-Regulatory Cells in Asthma

NCT02574351
View directory record Official record
Conditions
Asthma
Interventions
blood draw, breathing test
Biological
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Sep 11, 2026, 2:07 PM EDT
Recruiting No phase listed Observational

Immune-mediated Pathogenic Mechanisms of Neuro-PASC in Veterans

NCT06932237
View directory record Official record
Conditions
Neuro-PASC, Long COVID
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Portland, Oregon • Mountain Home, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 11, 2026, 2:07 PM EDT
Not yet recruiting No phase listed Observational

SNAPS Breast Cancer Patient Study Breast Cancer Patients

NCT05370300
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female
Interventions
Blood test
Diagnostic Test
Lead sponsor
Immunis.AI
Industry
Eligibility
18 Years and older · Female only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Sep 11, 2026, 2:07 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Identification of Circulating Tumor Cells in the Peripheral Blood of Lung Cancer Patients

NCT00568282
View directory record Official record
Conditions
Lung Cancer
Interventions
phlebotomy
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Sep 11, 2026, 2:07 PM EDT
Completed Not applicable Interventional

MINDSPACE Strategy for Risk Optimization

NCT02721446
View directory record Official record
Conditions
Stroke
Interventions
Standard, Incentive, Salience, Incentive + Salience
Behavioral
Lead sponsor
Indiana Institute for Medical Research
Other
Eligibility
18 Years and older
Enrollment
641 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Sep 11, 2026, 2:07 PM EDT
Completed No phase listed Observational

Investigating Stress-related Mechanisms in the Laboratory and Real World in Individuals With Cannabis Use Disorder

NCT04116619
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Guided Imagery Laboratory Session
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 11, 2026, 2:07 PM 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 2, 2025 · Synced Sep 11, 2026, 2:07 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Biomarkers in Friedreich's Ataxia

NCT02497534
View directory record Official record
Conditions
Friedreich's Ataxia
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
6 Years to 70 Years
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2030
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Sep 11, 2026, 2:07 PM EDT
Completed Phase 2 Interventional Results available

Ramucirumab and Atezolizumab After Progression on Any Immune Checkpoint Blocker in NSCLC

NCT03689855
View directory record Official record
Conditions
Non-small Cell Lung Cancer, Non Small Cell Lung Cancer, NSCLC
Interventions
Ramucirumab, Atezolizumab, Peripheral blood draw, Biopsy
Drug · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Sep 11, 2026, 2:07 PM EDT
Completed Phase 2 Interventional Results available

Chemotherapy AND Bcl-xL Inhibitor (AT-101) For Organ Preservation In Adults With Advanced Laryngeal Cancer

NCT01633541
View directory record Official record
Conditions
Laryngeal Cancer
Interventions
AT-101, Docetaxel, Cisplatin, Carboplatin
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Sep 11, 2026, 2:07 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Noninvasive Monitor of Vascular Volume Fluid Shifts

NCT05080881
View directory record Official record
Conditions
Blood Loss
Interventions
phonocardiographic measurement: InnoVital Systems, phonocardiographic measurement: ThinkLabs StethOne, physiological measurements: BIOPAC, physiological measurements: Masimo Radical-7, physiological measurements: CoVa Monitoring System 2, Thoracic impedance
Diagnostic Test
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 49 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Sep 11, 2026, 2:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sonographic Measurement of Intraneural Blood Flow in the Median Nerve

NCT05057754
View directory record Official record
Conditions
Carpal Tunnel Syndrome, Median Nerve Injury
Interventions
Cooling, Heating, Exercising, Typing, Using a mouse, Cooking
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Los Angeles, California • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Sep 11, 2026, 2:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Chagas Blood Screening and Confirmatory Assays

NCT00718042
View directory record Official record
Conditions
Healthy
Interventions
ABBOTT PRISM Chagas Assay and Chagas Confirmatory Assay
Device
Lead sponsor
Abbott Diagnostics Division
Industry
Eligibility
18 Years and older
Enrollment
41,862 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
7
States / cities
Lakeland, Florida • St. Petersburg, Florida • Glenview, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2012 · Synced Sep 11, 2026, 2:07 PM EDT
Completed No phase listed Observational

Cardiovascular Disease Study

NCT00857194
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
2 hour Oral Glucose Tolerance Test, Fat Meal Test
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
45 Years to 75 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
2
States / cities
West Orange, New Jersey • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 11, 2026, 2:07 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Multi-Cancer Detection Observational Cohort Study

NCT06962995
View directory record Official record
Conditions
Cancer
Interventions
Blood Sample, Surveys
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 11, 2026, 2:07 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

"Immunomodulation in GWI (Phlebotomy)"

NCT04058275
View directory record Official record
Conditions
Gulf War Illness
Interventions
Draw blood (phlebotomy, 83 ml)
Other
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 14, 2019 · Synced Sep 11, 2026, 2:07 PM EDT