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ClinicalTrials.gov public records Last synced Oct 11, 2026, 2:13 AM EDT

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Showing 25–48 of 58 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: blood drawing in healthy controls Clear all
Completed No phase listed Observational Accepts healthy volunteers

Identify Clinical Conditions That Increase Circulating DNA Levels

NCT01815996
View directory record Official record
Conditions
Pregnancy, Pulmonary Embolism, Myocardial Infarction, Autoimmune Disease
Interventions
One time blood draw to look at patient's DNA
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 21, 2018 · Synced Oct 11, 2026, 2:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Disturbances of Kynurenine Pathway of Trytophan Metabolism in Schizophrenia: A Quantitative Reverse Transcription Polymerase Chain Reaction (RT-PCR) Study

NCT00573300
View directory record Official record
Conditions
Schizophrenia
Interventions
Phlebotomy
Procedure
Lead sponsor
North Suffolk Mental Health Association
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 12, 2009 · Synced Oct 11, 2026, 2:13 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

ImmuneSense™ IBD Study

NCT05769829
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
Not listed
Lead sponsor
Adaptive Biotechnologies
Industry
Eligibility
18 Years to 89 Years
Enrollment
484 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
6
States / cities
Hialeah, Florida • Miami, Florida • Uniontown, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 11, 2026, 2:13 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Liver X Receptor (LXR) as a Novel Therapeutic Target in Diabetic Retinopathy (DR)

NCT03403686
View directory record Official record
Conditions
Diabetic Retinopathy
Interventions
blood draw
Biological
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years to 98 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 11, 2026, 2:13 AM EDT
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 11, 2026, 2:13 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Impact of Fructose on Metabolism, Energy Homeostasis and Magnetic Resonance Biomarkers in Nonalcoholic Fatty Liver Disease

NCT01930123
View directory record Official record
Conditions
Nonalcoholic Fatty Liver Disease (NAFLD)
Interventions
intravenous fructose challenge, Blood Draw
Drug · Other
Lead sponsor
Manal F Abdelmalek
Other
Eligibility
18 Years to 75 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Oct 11, 2026, 2:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Growth Hormone Feedback to Insulin-like Growth Factor-I (IGF-1) and Oral Glucose Tolerance Test (OGTT)

NCT00915954
View directory record Official record
Conditions
Acromegaly, Type 2 Diabetes Mellitus
Interventions
Oral Glucose Tolerance Test, Subcutaneous administration of recombinant human IGF-1, Placebo
Diagnostic Test
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Oct 11, 2026, 2:13 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Chronic Pain Risk Associated With Menstrual Period Pain

NCT02214550
View directory record Official record
Conditions
Cystitis, Interstitial, Dysmenorrhea, Migraine Disorders, Pelvic Pain, Endometriosis, Visceral Pain, Chronic Pain
Interventions
cyclic microgestin 1/20, continuous microgestin 1/20
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 18, 2023 · Synced Oct 11, 2026, 2:13 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Thrombocytopenia and Bleeding in Wiskott-Aldrich Syndrome (WAS) Patients

NCT00909363
View directory record Official record
Conditions
Wiskott-Aldrich Syndrome, Thrombocytopenia, Bleeding
Interventions
Promacta, blood drawing in patients with WAS, blood drawing in healthy controls
Drug · Diagnostic Test
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
3 Months to 80 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 18, 2019 · Synced Oct 11, 2026, 2:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Processes in Adults and Adolescents With Autism Spectrum Disorder

NCT02733120
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
stable isotope infusion
Other
Lead sponsor
Texas A&M University
Other
Eligibility
16 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 11, 2026, 2:13 AM 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 11, 2026, 2:13 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

miRNAs, Suicide, and Ketamine - Plasma Exosomal microRNAs as Novel Biomarkers for Suicidality and Treatment Outcome

NCT02418195
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
ketamine
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
247 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Oct 11, 2026, 2:13 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 11, 2026, 2:13 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Exercise in Child Health

NCT05359991
View directory record Official record
Conditions
Cystic Fibrosis, Sickle Cell Disease, SARS CoV 2 Infection
Interventions
Exercise
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
10 Years to 17 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 11, 2026, 2:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Vaccine Response in Treated MS Patients

NCT05060354
View directory record Official record
Conditions
Multiple Sclerosis, Healthy
Interventions
Blood draw
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 25, 2024 · Synced Oct 11, 2026, 2:13 AM EDT
Suspended Phase 1 Interventional Accepts healthy volunteers

Tracking Peripheral Immune Cell Infiltration of the Brain in Central Inflammatory Disorders Using [Zr-89]Oxinate-4-labeled Leukocytes.

NCT03807973
View directory record Official record
Conditions
Fibromyalgia, Chronic Fatigue Syndrome, Multiple Sclerosis, Healthy
Interventions
[Zr-89]Oxine-labeled leukocytes PET/MRI
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 11, 2026, 2:13 AM 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 11, 2026, 2:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Analyzing IBS to Identify Biomarkers and Microbiome Signatures

NCT02419963
View directory record Official record
Conditions
Diarrhoea Predominant Irritable Bowel Syndrome, IBS
Interventions
endoscopy for tissue biopsy, Blood Sample, Stool Sample
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 7, 2017 · Synced Oct 11, 2026, 2:13 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Kidney Cancer DNA Registry

NCT02087852
View directory record Official record
Conditions
Renal Cancer
Interventions
salvia for germline DNA, the Kidney Cancer Questionnaire, Family History Questionnaire (when applicable), Blood draw, Epidemiologic Questionnaire
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 11, 2026, 2:13 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Rhinovirus Hospitalization and Investigation of Nasal-airway Omics (RHINO) Study

NCT07342582
View directory record Official record
Conditions
Rhinovirus
Interventions
Nasal Swab Healthy Surveillance, Nasal Swab Sick Samples, Nasal Swab Hospitalized Cohort, Sick Follow-up Survey, Older Cohort Control Group, Procedural Comfort or Care
Diagnostic Test · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Up to 17 Years
Enrollment
670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 11, 2026, 2:13 AM EDT
Enrolling by invitation Phase 4 Interventional Accepts healthy volunteers

Imaging Biomarkers of Pancreatic Function and Disease

NCT05659147
View directory record Official record
Conditions
Pancreatitis, Diabetes Mellitus
Interventions
Research MRI without administration of intravenous secretin, Research MRI with administration of intravenous secretin, Genetic Sequencing, Blood Tests, Stool Tests, Survey Completion, Endoscopic pancreatic function tests (ePFTs), Secretin
Diagnostic Test · Genetic · Other + 1 more
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
5 Years to 21 Years
Enrollment
195 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 11, 2026, 2:13 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 11, 2026, 2:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Coxsackie Virus in Pregnancy and Congenital Heart Disease

NCT03737006
View directory record Official record
Conditions
Congenital Heart Disease in Pregnancy
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Oct 11, 2026, 2:13 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

A Study of Blood Based Biomarkers for Pancreas Adenocarcinoma

NCT03334708
View directory record Official record
Conditions
Pancreatic Cancer, Pancreatic Diseases, Pancreatitis, Pancreatic Cyst
Interventions
Blood Draw, Tumor Tissue Collection, Cyst Fluid
Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
10
States / cities
Middletown, New Jersey • Montvale, New Jersey • Cold Spring Harbor, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 11, 2026, 2:13 AM EDT