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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:24 PM EDT

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

Showing 625–648 of 1,536 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: phlebotomy Clear all
Recruiting No phase listed Observational

Exercise Response in Humans With Obesity

NCT05857150
View directory record Official record
Conditions
Obese
Interventions
Treadmill Test, Strength Test, Dual-Energy X-Ray Absorptiometry, Muscle Biopsy, Fat Biopsy, Resting Energy Expenditure, Magnetic resonance imaging
Diagnostic Test · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years to 45 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 24, 2026, 2:24 PM EDT
Active, not recruiting No phase listed Observational

Study of Radiation Exposure and Bilateral Breast Cancer

NCT00903591
View directory record Official record
Conditions
Breast Cancer
Interventions
questionaire, blood or saliva sample
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 54 Years · Female only
Enrollment
1,699 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2027
U.S. locations
4
States / cities
Stanford, California • Iowa City, Iowa • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 24, 2026, 2:24 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Examining the Role of Female Endogenous Sex Hormones in Eccentric Exercise

NCT05934708
View directory record Official record
Conditions
Inflammatory Response
Interventions
Eccentric leg extension
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Oct 24, 2026, 2:24 PM EDT
Recruiting Not applicable Interventional

Evaluation of Genetic Abnormalities Amongst Calcium Phosphate Stone Formers

NCT06974357
View directory record Official record
Conditions
Nephrolithiasis
Interventions
Genetic testing
Diagnostic Test
Lead sponsor
Ryan L Steinberg
Other
Eligibility
18 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 24, 2026, 2:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immune Tolerance and Alloreactivity in Liver Transplant Recipients on Different Monotherapy Immunosuppressive Agents

NCT01678937
View directory record Official record
Conditions
Liver Transplant Rejection, Immunosuppression
Interventions
Blood Draw - Rapamycin, Blood Draw from Control Subjects, Blood Draw - CyA, Blood Draw - Tacrolimus, Blood Draw - MMF
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 15, 2015 · Synced Oct 24, 2026, 2:24 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Pathogenesis of the Cardiometabolic Risk in Youth With Type 1 Diabetes

NCT04101045
View directory record Official record
Conditions
Type 1 Diabetes, De Novo Lipogenesis
Interventions
Oral Glucose Tolerance Test
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
13 Years to 22 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Oct 24, 2026, 2:24 PM EDT
Completed No phase listed Observational

Blood Sample Collection in Subjects With Pulmonary Nodules or CT Suspicion of Lung Cancer or Pathologically Diagnosed Lung Cancer

NCT03633006
View directory record Official record
Conditions
Lung Cancer (Diagnosis)
Interventions
Blood Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
35 Years and older
Enrollment
3,298 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
83
States / cities
Birmingham, Alabama • Peoria, Arizona • Newport Beach, California + 66 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Oct 24, 2026, 2:24 PM EDT
Active, not recruiting No phase listed Observational

A Combined Biomarker Model for Risk Stratification of Indeterminate Pulmonary Nodules

NCT06074133
View directory record Official record
Conditions
Pulmonary Nodule
Interventions
Blood collection, Chest Computed Tomography
Procedure
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
21 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
4
States / cities
Aurora, Colorado • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 24, 2026, 2:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

MURDOCK Cabarrus County COVID-19 Prevalence and Immunity (C3PI) Study

NCT04424004
View directory record Official record
Conditions
COVID 19
Interventions
COVID-19 PCR and serology testing
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 4, 2022 · Synced Oct 24, 2026, 2:24 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Characterization of Human Autoantibody Titers After Central Nervous System Insult

NCT03089749
View directory record Official record
Conditions
Brain Injuries, Traumatic, Spinal Cord Trauma, Intracranial Neoplasm
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 14, 2023 · Synced Oct 24, 2026, 2:24 PM EDT
Completed No phase listed Observational

Mechanisms of Ischemic Stroke in Cancer Patients

NCT02604667
View directory record Official record
Conditions
Stroke, Cancer
Interventions
Blood tests, Transcranial Doppler Microemboli Detection Study
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Oct 24, 2026, 2:24 PM EDT
Completed Phase 1 Interventional Results available

Vancomycin Pharmacokinetics in Patients on Peritoneal Dialysis

NCT03685747
View directory record Official record
Conditions
Peritoneal Dialysis-associated Peritonitis
Interventions
Vancomycin
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 85 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Oct 24, 2026, 2:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Evaluation of Families With Endocrine Cancers

NCT01794676
View directory record Official record
Conditions
Pancreatic Cancer, Thymic Cancer, Parathyroid Disease, MEN1 Syndrome
Interventions
Blood draw
Genetic
Lead sponsor
Jersey Shore University Medical Center
Other
Eligibility
13 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Neptune City, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Oct 24, 2026, 2:24 PM EDT
Completed Phase 2 Interventional Results available

A Prospective Comparison of Ultrasound-Guided Percutaneous Platelet-Rich Plasma Injection

NCT01600326
View directory record Official record
Conditions
Tendinosis, Tendinitis
Interventions
Tenotomy (no injection), Ultrasound guided platelet rich plasma injection
Procedure · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Oct 24, 2026, 2:24 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

SPARC - Screening for Lung Cancer With Platelets Via an AI-enabled RNA-based Classifier

NCT07460440
View directory record Official record
Conditions
Lung Cancer, Lung Nodule
Interventions
Platelet RNA-based assay
Diagnostic Test
Lead sponsor
University of Utah
Other
Eligibility
21 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 24, 2026, 2:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Training in Manual Preparation of Platelet Rich Plasma

NCT01553955
View directory record Official record
Conditions
Platelet Rich Plasma Production
Interventions
Venipuncture
Procedure
Lead sponsor
Peterson, Noel, N.D.
Individual
Eligibility
21 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Lake Oswego, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 24, 2013 · Synced Oct 24, 2026, 2:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Donors With Nephrolithiasis at the Time of Transplant Evaluation (DONATE). Long Term Follow-up.

NCT05519150
View directory record Official record
Conditions
Kidney Stones
Interventions
low dose radiation abdomen/pelvis CT scan (stone protocol), Blood draw, 24 hour urine collection
Diagnostic Test · Procedure · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Oct 24, 2026, 2:24 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Measuring the Healthy Pediatric Inflammatory Response to Vaccination.

NCT04112355
View directory record Official record
Conditions
Healthy Controls
Interventions
Blood Collection
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
4 Months to 21 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 24, 2026, 2:24 PM EDT
Recruiting Not applicable Interventional

Feasibility and Clinical Utility of Cell-free DNA (cfDNA) in Identifying Actionable Alterations and Minimal Residual Disease for Lymphoma Patients Across Community Centers in Texas

NCT05676450
View directory record Official record
Conditions
Lymphoma
Interventions
cell-free DNA
Diagnostic Test
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
517 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2026 · Synced Oct 24, 2026, 2:24 PM EDT
Recruiting No phase listed Observational

Imaging Genetics of Laryngeal Dystonia

NCT03042975
View directory record Official record
Conditions
Laryngeal Dystonia, Unaffected Relatives of Laryngeal Dystonia Patients, Voice Tremor, Muscle Tension Dysphonia
Interventions
MRI, Blood draw
Other · Procedure
Lead sponsor
Kristina Simonyan
Other
Eligibility
Not listed
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 24, 2026, 2:24 PM EDT
Completed No phase listed Observational

Detection of C-peptide in Youth With Longstanding Type 1 Diabetes Mellitus

NCT02131675
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Boost shake
Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
1 Year to 21 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 6, 2014 · Synced Oct 24, 2026, 2:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of a Novel Human In Vitro Sarcoidosis Model

NCT01857401
View directory record Official record
Conditions
Sarcoidosis
Interventions
No intervention, observational study only
Other
Lead sponsor
Elliott Crouser MD
Other
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 24, 2026, 2:24 PM EDT
Recruiting No phase listed Observational

Genomic Analysis of Families With a History of Discordant Cancers

NCT04860453
View directory record Official record
Conditions
Discordant Cancers
Interventions
WES via Illumina NextSeq 550 sequencing system, Blood Draw, Skin biopsy, Saliva Sample
Genetic · Diagnostic Test
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years to 100 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Oct 24, 2026, 2:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic Study of Omaveloxolone in Healthy Volunteers

NCT03664453
View directory record Official record
Conditions
Healthy
Interventions
omaveloxolone
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Oct 24, 2026, 2:24 PM EDT