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ClinicalTrials.gov public records Last synced Oct 17, 2026, 9:47 PM EDT

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

Showing 73–96 of 1,554 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Blood Sampling Clear all
Completed Not applicable Interventional

Tacrolimus Microsampling

NCT04810143
View directory record Official record
Conditions
Validate Volumetric Absorptive Microsampling (VAMS) Assay
Interventions
Mitra Microsampler
Device
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Year to 21 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect Of Capros Supplementation On Cardiovascular Disease Risk Factors In Humans

NCT01858376
View directory record Official record
Conditions
Hyperlipidemia
Interventions
Capros dietary supplement
Dietary Supplement
Lead sponsor
Chandan K Sen
Other
Eligibility
21 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2018 · Synced Oct 17, 2026, 9:47 PM EDT
Completed No phase listed Observational

A Study to Assess Variation in Potential Biomarkers in Friedreich Ataxia

NCT04255680
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
Buccal Swabs and Blood Draws
Diagnostic Test
Lead sponsor
Larimar Therapeutics, Inc.
Industry
Eligibility
12 Years to 65 Years
Enrollment
20 participants
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Response to Acute Exercise in Eating Disorders

NCT06213883
View directory record Official record
Conditions
Eating Disorders
Interventions
Biobehavioral Response to in-lab exposure to physical activity
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
16 Years to 25 Years · Female only
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
2
States / cities
San Francisco, California • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The Impact of Smoking on Outcomes and Complications in Total Joint Arthroplasty: A Prospective Crossover Study

NCT04592302
View directory record Official record
Conditions
Smoking, Total Joint Arthroplasty
Interventions
Blood Draw
Diagnostic Test
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years to 99 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional Results available

Procalcitonin Antibiotic Consensus Trial (ProACT)

NCT02130986
View directory record Official record
Conditions
Lower Respiratory Tract Infection (LRTI)
Interventions
Procalcitonin level, Results of procalcitonin (PCT) level to treating clinician, Provide procalcitonin guideline to treating clinician, Telephone Visit
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
1,664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
13
States / cities
Birmingham, Alabama • Phoenix, Arizona • Orange, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Oct 17, 2026, 9:47 PM EDT
Terminated No phase listed Observational

Anti-tumor Immune Response in Patients With Cancer Undergoing Radiation Therapy

NCT02310594
View directory record Official record
Conditions
Malignant Neoplasm
Interventions
cytology specimen collection procedure, laboratory biomarker analysis
Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2022 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Long Term Immunity and Safety Following Vaccination With the JEV IC51 (IXIARO®, JESPECT®) in Pediatric Population In Non Endemic Countries. Uncontrolled, Ph3 FU-Study

NCT01246479
View directory record Official record
Conditions
Japanese Encephalitis
Interventions
Blood draw, IC51 has given in the parent study IC51-322
Procedure · Biological
Lead sponsor
Valneva Austria GmbH
Industry
Eligibility
9 Months to 20 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Oct 17, 2026, 9:47 PM EDT
Recruiting Not applicable Interventional

PROGRESS: Precision Oncology Using Genomic Reflexive Evaluations for Study Selection and Survival

NCT06896162
View directory record Official record
Conditions
Solid Tumor Malignancies, Metastatic Cancer, Breast Cancer, Colorectal Cancer, Lung Cancer, Bladder Cancer
Interventions
Expert Review, Blood or tissue samples collection., The Precision Oncology Navigation
Other
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Neural and Metabolic Factors in Carbohydrate Reward

NCT06053294
View directory record Official record
Conditions
Carbohydrate Metabolism
Interventions
CS- Beverage, CS+Fast, CS+Slow
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 45 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Anabolic Response Cancer

NCT02793531
View directory record Official record
Conditions
Cancer
Interventions
Stable isotope amino acid infusion
Other
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Oct 17, 2026, 9:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Study to Evaluate Serum Free Thyroxine (FT4) and Free Triiodothyronine (FT3) Measurements for Subjects Treated With Eslicarbazeine Acetate (ESL)

NCT02491073
View directory record Official record
Conditions
Epilepsy
Interventions
blood draw
Other
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
7
States / cities
Sun City, Arizona • Boise, Idaho • Lexington, Kentucky + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2018 · Synced Oct 17, 2026, 9:47 PM EDT
Suspended No phase listed Observational

Serum and Synovium Protease Inhibitor Levels in Primary and Secondary Osteoarthritic Joints

NCT01613833
View directory record Official record
Conditions
Osteoarthritis of the Knee
Interventions
Blood Draw, Joint Aspirate Harvest
Procedure
Lead sponsor
Scuderi, Gaetano J., M.D.
Other
Eligibility
19 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2017 · Synced Oct 17, 2026, 9:47 PM EDT
Completed No phase listed Observational

Radiation Biodosimetry in Patients Treated With Total Body Irradiation (TBI)

NCT00581958
View directory record Official record
Conditions
Cancer
Interventions
Blood Samples
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
4 Years to 100 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2018 · Synced Oct 17, 2026, 9:47 PM 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 17, 2026, 9:47 PM EDT
Active, not recruiting No phase listed Observational

Transcutaneous Carbon Dioxide Monitoring in Neonates Receiving Therapeutic Hypothermia for Neonatal Encephalopathy

NCT04603547
View directory record Official record
Conditions
Neonatal Encephalopathy
Interventions
Transcutaneous Carbon Dioxide Monitoring
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
0 Days to 3 Days
Enrollment
53 participants
Timeline
2019 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Whole Blood Specimen Collection From Pregnant Subjects

NCT02430584
View directory record Official record
Conditions
Down Syndrome, Edwards Syndrome, Patau Syndrome, Klinefelter Syndrome, Turner Syndrome, DiGeorge Syndrome, Perinatal Infections
Interventions
Observational - no intervention
Other
Lead sponsor
Progenity, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 17, 2020 · Synced Oct 17, 2026, 9:47 PM EDT
Completed No phase listed Observational

Protein and RNA Expression Patterns in Predicting Response to Treatment in Patients With Lung Cancer

NCT00897650
View directory record Official record
Conditions
Lung Cancer
Interventions
DNA/RNA sequencing and expression levels, Protein expression analysis, Lung tumor biopsy, Blood sample
Genetic · Procedure
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
Up to 120 Years
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 19, 2017 · Synced Oct 17, 2026, 9:47 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

DNA Methylation Markers in Veterans Exposed to Open Burn Pits

NCT06305091
View directory record Official record
Conditions
Open Burn Pit Exposure
Interventions
Health survey for physical and mental health comorbidities, epigenetic marker and heavy metals in blood and urine samples
Diagnostic Test
Lead sponsor
Central Arkansas Veterans Healthcare System
Federal
Eligibility
25 Years to 70 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
North Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 17, 2026, 9:47 PM EDT
Recruiting No phase listed Observational

Serum Inflammatory Protein Concentration During Dental Treatment

NCT07468929
View directory record Official record
Conditions
Periodontal Disease, Periodontal Surgery
Interventions
Blood samples for inflammatory markers, periodontal surgery, Periodontal maintenance, Non-surgical deep cleaning
Other · Procedure
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Not listed No phase listed Observational

Pharmacogenomics of Heparin-Induced Thrombocytopenia

NCT02717039
View directory record Official record
Conditions
Heparin-induced Thrombocytopenia
Interventions
Blood Draw
Procedure
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 27, 2024 · Synced Oct 17, 2026, 9:47 PM EDT
Recruiting No phase listed Observational

CorEvitas Systemic Lupus Erythematosus (SLE) Drug Safety and Effectiveness Registry

NCT06804057
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Blood Collection
Other
Lead sponsor
CorEvitas
Network
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2099
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Transforming Research and Clinical Knowledge in Traumatic Brain Injury Epileptogenesis Project (TRACK-TBI EPI)

NCT05823766
View directory record Official record
Conditions
Traumatic Brain Injury, Post-traumatic Epilepsy
Interventions
In-Person Outcome Assessment, 3T Magnetic Resonance Imaging (MRI), Clinical Visit, Blood Draw, EEG, Telephone Outcome Assessment
Behavioral · Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
9
States / cities
San Francisco, California • Charlestown, Massachusetts • Cincinnati, Ohio + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Nebivolol on Skeletal Muscle During Exercise in Hypertensive Patients

NCT01501929
View directory record Official record
Conditions
Hypertension
Interventions
Metoprolol succinate, Nebivolol, Non-invasive measurement of Cardiac Output (CO), Endothelial cell collection, Microvascular perfusion assessment using Definity
Drug · Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced Oct 17, 2026, 9:47 PM EDT