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ClinicalTrials.gov public records Last synced Oct 18, 2026, 9:57 AM EDT

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Showing 289–312 of 1,554 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Blood Sampling Clear all
Recruiting No phase listed Observational

Precision Medicine Approaches to Renal Osteodystrophy

NCT05880914
View directory record Official record
Conditions
Renal Osteodystrophy, Chronic Kidney Diseases, CKD-MBD, Bone Turnover Rate Disorder, Secondary Hyperparathyroidism
Interventions
miRNAseq analysis, Standard treatment for bone disorder
Procedure · Drug
Lead sponsor
Thomas Nickolas
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 18, 2026, 9:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Normal Liver Stiffness by MR Elastography

NCT03235414
View directory record Official record
Conditions
Liver Diseases
Interventions
MRI, Blood draw
Device · Diagnostic Test
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 17 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 18, 2026, 9:57 AM EDT
Enrolling by invitation Not applicable Interventional

PET-MRI in Chronic Traumatic Brain Injury (CTBI)

NCT03241732
View directory record Official record
Conditions
Chronic Traumatic Brain Injury
Interventions
Anti-inflammatory Diet, N-acetyl Cysteine, Neuro Emotive Technique
Other · Dietary Supplement · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Villanova, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Oct 18, 2026, 9:57 AM EDT
Terminated Phase 4 Interventional Results available

Residual Anti-Xa Activity After Last Treatment Dose of Enoxaparin

NCT03296033
View directory record Official record
Conditions
Anticoagulants and Bleeding Disorders, Surgery, Regional Anesthesia Morbidity
Interventions
Enoxaparin
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 100 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 18, 2026, 9:57 AM EDT
Terminated No phase listed Observational

Identification of Key Blood Molecular Markers for Immunotherapy

NCT00507702
View directory record Official record
Conditions
Squamous Cell Carcinoma, Adenocarcinoma, Neoplasms
Interventions
phlebotomy
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 18, 2026, 9:57 AM EDT
Completed Not applicable Interventional Results available

Continuous Glucose Monitoring for Hyperglycemia in Critically Ill Patients

NCT05442853
View directory record Official record
Conditions
Hyperglycemia, Hypoglycemia, Critical Illness, Diabetes Mellitus
Interventions
Continuous glucose monitoring, Point of care glucose monitoring
Device
Lead sponsor
Malcom Randall VA Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Oct 18, 2026, 9:57 AM EDT
Terminated No phase listed Observational

Circulating Tumor Cells in Prostate Cancer Patients

NCT01414712
View directory record Official record
Conditions
Prostate Cancer
Interventions
Blood Drawing
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 99 Years · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2020 · Synced Oct 18, 2026, 9:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study to Assess Outcomes in Women Undergoing Either Hysteroscopic Sterilization (Essure®) or Laparoscopic Tubal Sterilization

NCT03127722
View directory record Official record
Conditions
Contraception
Interventions
Blood draw, ESSURE (BAY1454032), Laparoscopic tubal sterilization
Procedure · Device
Lead sponsor
Bayer
Industry
Eligibility
21 Years and older · Female only
Enrollment
990 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
57
States / cities
Chandler, Arizona • Phoenix, Arizona • Tucson, Arizona + 47 more
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 18, 2026, 9:57 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Role of MicroRNA in the Diagnosis, Prognosis and Response to Treatment in Pancreatic Cancer

NCT04406831
View directory record Official record
Conditions
Pancreatic Cancer Stage III, Pancreatic Cancer Stage IV, Pancreatic Ductal Adenocarcinoma, Pancreatic Neoplasms
Interventions
Blood draw
Procedure
Lead sponsor
Nuvance Health
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2030
U.S. locations
1
States / cities
Norwalk, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 18, 2026, 9:57 AM EDT
Completed No phase listed Observational

Feasibility of Obtaining and Characterizing Circulating Tumorigenic Cells in Patients With Pancreatic Adenocarcinoma

NCT01474564
View directory record Official record
Conditions
Pancreatic Adenocarcinoma
Interventions
Blood draw
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
5
States / cities
Commack, New York • Harrison, New York • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 18, 2026, 9:57 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Clinical Study on Rapid Antioxidant Protection and Immune Modulating Effects.

NCT05042674
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Placebo, Ergothioneine, 25 miligrams, Ergothioneine, 25 miligrams, daily for 1 week
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced Oct 18, 2026, 9:57 AM EDT
Terminated No phase listed Observational

Cell-Free DNA and RNA in Blood fromMetastatic Prostate Cancer Patients

NCT02853097
View directory record Official record
Conditions
Hormone-Resistant Prostate Cancer, Metastatic Prostate Carcinoma, Prostate Adenocarcinoma
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
Los Angeles, California • Pasadena, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Oct 18, 2026, 9:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Novel Screening Tools For the Evaluation and Management of Malnourished Children in the Developing World

NCT02449408
View directory record Official record
Conditions
Overweight, Obesity, Small for Gestational Age, Prematurity
Interventions
Measurement of leptin and adiponectin obtained through blood sampling via venipuncture or finger/heelstick using novel screening tool
Other
Lead sponsor
Duke University
Other
Eligibility
1 Hour to 18 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Oct 18, 2026, 9:57 AM EDT
Completed No phase listed Observational

Collection of Maternal Blood Samples for Development of Non-invasive Prenatal Diagnostic Testing

NCT01546324
View directory record Official record
Conditions
Pregnancy Following IVF With PGS/PGD
Interventions
Blood draw
Procedure
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2013 · Synced Oct 18, 2026, 9:57 AM EDT
Enrolling by invitation No phase listed Observational

Comparing Immune Activation and Latent HIV Reservoir Size Between People Living With HIV on Tenofovir-containing Versus NRTI-free ART

NCT05584397
View directory record Official record
Conditions
HIV-1-infection, HIV Disease Progression, Inflammation, HIV
Interventions
Venipuncture, Targeted physical medical exam, Urine pregnancy test, Anoscopy, Esophagogastroduodenoscopy (EGD)
Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 18, 2026, 9:57 AM EDT
Completed Not applicable Interventional

Evaluation of Blood Volume Analysis- Guided Management of Decompensated Heart Failure

NCT04855097
View directory record Official record
Conditions
Acute Decompensated Heart Failure
Interventions
BVA-100
Diagnostic Test
Lead sponsor
Daxor Corporation
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 29, 2023 · Synced Oct 18, 2026, 9:57 AM EDT
Completed No phase listed Observational

Collecting and Storing Blood and Brain Tumor Tissue Samples From Children With Brain Tumors

NCT00919750
View directory record Official record
Conditions
Childhood Atypical Teratoid/Rhabdoid Tumor, Childhood Central Nervous System Germ Cell Tumor, Childhood Cerebral Anaplastic Astrocytoma, Childhood Cerebral Astrocytoma, Childhood Choroid Plexus Neoplasm, Childhood Craniopharyngioma, Childhood Grade I Meningioma, Childhood Grade II Meningioma, Childhood Grade III Meningioma, Childhood Infratentorial Ependymoma, Childhood Oligodendroglioma, Childhood Supratentorial Ependymoma, Ependymoma, Newly Diagnosed Childhood Ependymoma, Recurrent Childhood Cerebellar Astrocytoma, Recurrent Childhood Cerebral Astrocytoma, Recurrent Childhood Ependymoma, Recurrent Childhood Medulloblastoma, Recurrent Childhood Supratentorial Embryonal Tumor, Not Otherwise Specified, Recurrent Childhood Visual Pathway Glioma
Interventions
Cytology Specimen Collection Procedure
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 18 Years
Enrollment
1,258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2018
U.S. locations
163
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 123 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Oct 18, 2026, 9:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Persistent Postpartum Cardiovascular Dysfunction in Patients With Preeclampsia

NCT04063397
View directory record Official record
Conditions
Preeclampsia Severe or Mild, Cardiac Complication
Interventions
Echocardiogram, Blood draw
Diagnostic Test
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Oct 18, 2026, 9:57 AM EDT
Completed No phase listed Observational

Plasma Free Fatty Acids Profile As A Diagnostic Tool For Acute Ischemic Stroke

NCT03618290
View directory record Official record
Conditions
Stroke, Acute
Interventions
Analyze plasma free fatty acid in blood
Diagnostic Test
Lead sponsor
Sanford Health
Other
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Oct 18, 2026, 9:57 AM EDT
Completed No phase listed Observational

Mechanisms in Heart Failure With Normal EF

NCT00587808
View directory record Official record
Conditions
Heart Failure
Interventions
RHC with VO2 consumption
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 7, 2012 · Synced Oct 18, 2026, 9:57 AM EDT
Completed No phase listed Observational

Surveillance Markers of Utility for Recurrence After Neoadjuvant Chemotherapy for Breast Cancer

NCT02830282
View directory record Official record
Conditions
Breast Cancer
Interventions
Blood Collection
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Oct 18, 2026, 9:57 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

General Population Level Estimation for Type 1 Diabetes Risk in Children During Routine Care Delivery

NCT04477928
View directory record Official record
Conditions
Type 1 Diabetes, Celiac Disease
Interventions
Sera and whole blood sampling, Differential Gene Expression (DGE)
Diagnostic Test
Lead sponsor
Sanford Health
Other
Eligibility
0 Minutes to 17 Years
Enrollment
33,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2031
U.S. locations
4
States / cities
Bemidji, Minnesota • Bismarck, North Dakota • Fargo, North Dakota + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 18, 2026, 9:57 AM EDT
Completed No phase listed Observational Results available

Pilot Study Assessing Oxidative Stress in Children

NCT01052207
View directory record Official record
Conditions
Adrenal Insufficiency, Critical Illness
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
1 Day to 18 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 4, 2015 · Synced Oct 18, 2026, 9:57 AM EDT
Withdrawn Phase 2 Interventional

Neoadjuvant Pembrolizumab + Epacadostat Prior to Curative Surgical Care for Squamous Cell Carcinoma of the Head and Neck

NCT03325465
View directory record Official record
Conditions
Squamous Cell Carcinoma of the Head and Neck
Interventions
Pembrolizumab, Epacadostat
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Oct 18, 2026, 9:57 AM EDT