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ClinicalTrials.gov public records Last synced Oct 27, 2026, 7:14 AM EDT

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

Showing 1–24 of 109 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Blood sampling (controls) Clear all
Recruiting No phase listed Observational

Associations Between the Microbiome, Skeletal Muscle Perfusion, and Fitness Status

NCT06009276
View directory record Official record
Conditions
Heart Failure, Systolic, Heart Failure, Diastolic, Peripheral Arterial Disease, Overweight and Obesity
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
70 participants
Timeline
2023 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 27, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

SPECT/CT Imaging of Skeletal Muscle Perfusion

NCT02791204
View directory record Official record
Conditions
Peripheral Arterial Disease, Diabetes Mellitus
Interventions
SPECT/CT imaging following revascularization procedures, SPECT/CT imaging
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 27, 2026, 7:14 AM EDT
Completed No phase listed Observational

Predicting Endometrial Receptivity for Optimal Reproductive Management

NCT04107129
View directory record Official record
Conditions
Infertility, Female, Endometriosis
Interventions
Endometrial Biopsy, Euploid embryo transfer, Blood sample
Procedure · Other · Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Sunnyvale, California
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Oct 27, 2026, 7:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MusculRA: The Effects of Rheumatoid Arthritis on Skeletal Muscle Biomechanics

NCT04226131
View directory record Official record
Conditions
Rheumatoid Arthritis, Healthy Controls
Interventions
Blood Draw, Disease Activity (DAS-28) Assessment, Skeletal Muscle Mitochondrial Respiratory Capacity, Muscle Biopsy, Body Composition, Cardiopulmonary Exercise Test (CPET), Strength Testing, Questionnaires, Skeletal Muscle Biomechanical Property Assessment
Other
Lead sponsor
Duke University
Other
Eligibility
25 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Oct 27, 2026, 7:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

NASOBOL in Hypogonadal Men in Comparison to Testosterone Levels in Normal Healthy Male Volunteers

NCT00647868
View directory record Official record
Conditions
Hypogonadism
Interventions
testosterone
Drug
Lead sponsor
Acerus Pharmaceuticals Corporation
Industry
Eligibility
20 Years to 60 Years · Male only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2018 · Synced Oct 27, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers in the Evaluation of Chronic Lung Disease

NCT00926523
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension, Interstitial Lung Disease
Interventions
Blood Gas, Pulmonary Exercise Test, Spirometry, Breath Condensate Collector
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2011 · Synced Oct 27, 2026, 7:14 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Role of Glucagon In Glucose Control in Cystic Fibrosis Related Diabetes

NCT02398383
View directory record Official record
Conditions
Cystic Fibrosis, Cystic Fibrosis Related Diabetes
Interventions
Oral Glucose Tolerance Test, Mixed Meal Tolerance Test, Hypoglycemic Clamp
Other
Lead sponsor
Yale University
Other
Eligibility
12 Years to 45 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 26, 2020 · Synced Oct 27, 2026, 7:14 AM 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 27, 2026, 7:14 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 27, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluate Long Term Cardiovascular and Pulmonary Complications After COVID-19 With Point of Care Ultrasound

NCT04756193
View directory record Official record
Conditions
Covid19, Echocardiography, Ultrasound
Interventions
Point of care ultrasound including echocardiography, lung ultrasound, vascular ultrasound
Diagnostic Test
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Oct 27, 2026, 7:14 AM EDT
Recruiting No phase listed Observational

Novel Tracer Methods to Evaluate Muscle Protein Metabolism in Cirrhosis

NCT03225677
View directory record Official record
Conditions
Cirrhosis
Interventions
blood draw and muscle biopsy
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Timeline
2017 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 27, 2026, 7:14 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Comparison of ALD, NASH, and Healthy Control Patients

NCT03224949
View directory record Official record
Conditions
ALD - Alcoholic Liver Disease
Interventions
Blood draw
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 27, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Coagulation Factor Changes Associated With Postpartum Hysterectomies

NCT00456547
View directory record Official record
Conditions
Obstetric Labor Complications, Hemorrhage, Complications; Cesarean Section
Interventions
Blood Draw
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2014 · Synced Oct 27, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Role of Gut Microbiota in Hypertension

NCT02188381
View directory record Official record
Conditions
Hypertension
Interventions
Stool Sample and Blood Sample
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Oct 27, 2026, 7:14 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

PICS: Subtitle Cardiac Dysfunction in Older Sepsis Survivors

NCT02276417
View directory record Official record
Conditions
Sepsis
Interventions
Blood Collection, Urine collection, Bioimpedance Analysis, Cognitive Function Tests, Quality-of-life Questionnaires, Physical Function Tests
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
668 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 27, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Peripheral Immune System in Individuals With Schizophrenia

NCT05109065
View directory record Official record
Conditions
Schizophrenia, Schizo Affective Disorder, Schizophreniform Disorders
Interventions
SCID (Standardized Clinical Interview for DSM-V), PSS (Perceived Stress Score), Urine Toxicology Screen, Vitals, Blood Work, PQ-B, COVID Screening, Positive and Negative Syndrome Scale (PANSS)
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 40 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2025 · Synced Oct 27, 2026, 7:14 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Late Onset Alzheimer's Disease

NCT05010603
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Blood Draw, Late Onset Alzheimer's Disease (LOAD) Neuropsychological Battery Test
Genetic · Other
Lead sponsor
Columbia University
Other
Eligibility
55 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
12
States / cities
Washington D.C., District of Columbia • Miami, Florida • Aurora, Illinois + 9 more
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 27, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Depression, Cytokines and Pancreatic Cancer

NCT00582699
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
assessment interview and blood draw
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
40 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 10, 2014 · Synced Oct 27, 2026, 7:14 AM EDT
Recruiting No phase listed Observational

Biology of Juvenile Myoclonic Epilepsy

NCT03400371
View directory record Official record
Conditions
Juvenile Myoclonic Epilepsy
Interventions
Blood draw, Existing samples
Other
Lead sponsor
King's College London
Other
Eligibility
10 Years to 40 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
3
States / cities
New York, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 5, 2025 · Synced Oct 27, 2026, 7:14 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Biomarkers of Lupus Disease: Serial Biomarker Sampling in Patients With Active Systemic Lupus Erythematosus (SLE)

NCT00987831
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Group B SLE one blood donation, Blood drawing only Group C, Group A SLE prospective study
Other · Drug
Lead sponsor
Oklahoma Medical Research Foundation
Other
Eligibility
14 Years to 70 Years
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Oklahoma City, Oklahoma • Collegeville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 20, 2014 · Synced Oct 27, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Host Immune Response to Clostridium Difficile Infection in Inflammatory Bowel Disease Patients

NCT01813500
View directory record Official record
Conditions
Crohn's Disease, Ulcerative Colitis, Clostridium Difficile, Inflammatory Bowel Disease
Interventions
Blood and stool sample
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Oct 27, 2026, 7:14 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Hyperemesis Gravidarum Risk Reduction With Metformin

NCT07129473
View directory record Official record
Conditions
Hyperemesis Gravidarum
Interventions
Metformin Extended Release Oral Tablet
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
2
States / cities
Birmingham, Alabama • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 27, 2026, 7:14 AM 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 27, 2026, 7:14 AM EDT
Completed No phase listed Observational

Pilot Study Using Propranolol To Promote Prenylation Of Gtpase Rap1b In Hematopoietic Stem Cell Transplant Recipients

NCT02535182
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplantation
Interventions
Blood Draw
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Oct 27, 2026, 7:14 AM EDT