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ClinicalTrials.gov public records Last synced Nov 3, 2026, 10:33 PM EST

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 155 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Plasma sample collection Clear all
Withdrawn No phase listed Observational Accepts healthy volunteers

Analytical Validation of the abioSCOPE Device With an IgE Test Panel: Point-of-Care Precision, Sample Type Comparison and Method Correlation

NCT04401631
View directory record Official record
Conditions
Allergy, Allergic Asthma, Allergy to Cats, Allergy to House Dust, Allergy to Dog Dander (Finding), Allergy Mold, Allergy Cockroach
Interventions
Blood Collection
Device
Lead sponsor
Abionic SA
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Nov 3, 2026, 10:33 PM EST
Terminated Phase 2 Interventional Results available

Megestrol in Treating Patients With Endometrial Neoplasia or Endometrial Hyperplasia

NCT00503581
View directory record Official record
Conditions
High Grade Squamous Intraepithelial Neoplasia, Stage 0 Uterine Corpus Cancer
Interventions
Biopsy, Laboratory Biomarker Analysis, Megestrol Acetate, Pharmacological Study, Quality-of-Life Assessment, Therapeutic Conventional Surgery
Procedure · Other · Drug
Lead sponsor
Gynecologic Oncology Group
Network
Eligibility
18 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
50
States / cities
Los Angeles, California • Sylmar, California • Hartford, Connecticut + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Nov 3, 2026, 10:33 PM EST
Active, not recruiting No phase listed Observational

Detection of Plasma DNA Methylation in Peripheral Blood From Patients With Resectable Liver Cancer

NCT04856046
View directory record Official record
Conditions
Resectable Hepatocellular Carcinoma
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Not listed No phase listed Observational Accepts healthy volunteers

Neuroinflammation and Alzheimer's Pathology in POCD

NCT05378659
View directory record Official record
Conditions
Post-Operative Confusion, Neuroinflammatory Response, Alzheimer Disease
Interventions
Montreal Cognitive Assessment, Stroop Test, 4AT Delirium, Grooved Pegboard, NACC Cognitive Battery, ERP Testing, Blood Plasma and Serum sampling, Cerebral Spinal Fluid Sample
Behavioral · Diagnostic Test
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
60 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Nov 3, 2026, 10:33 PM EST
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 Nov 3, 2026, 10:33 PM EST
Completed No phase listed Observational

Abbott i-STAT High Sensitivity Troponin I Study

NCT05629572
View directory record Official record
Conditions
Myocardial Infarction
Interventions
i-STAT hs-TnI Cartridge Testing on i-STAT 1 and i-STAT Alinity
Diagnostic Test
Lead sponsor
Abbott Point of Care
Industry
Eligibility
18 Years and older
Enrollment
3,697 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
28
States / cities
Chandler, Arizona • San Francisco, California • Stanford, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Terminated No phase listed Observational

Molecular Characterization of CTCs and ctDNA in Blood and Plasma Samples From Patients With Metastatic and/or Hormone-Resistant Prostate Cancer

NCT02370355
View directory record Official record
Conditions
Hormone-Resistant Prostate Cancer, Metastatic Prostate Carcinoma
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
Other
Lead sponsor
University of Southern California
Other
Eligibility
19 Years and older · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Nov 3, 2026, 10:33 PM EST
Recruiting No phase listed Observational Accepts healthy volunteers

Gut Microbiome Studies in Patients With POEMS Syndrome and Other Plasma Cell Disorders

NCT06252948
View directory record Official record
Conditions
Plasma Cell Disorders
Interventions
Non-interventional study (observational)
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Withdrawn Phase 4 Interventional

A Lactation Study in Women Receiving Treatment With Ozanimod

NCT06181630
View directory record Official record
Conditions
Lactating Women, Breastfed Infants
Interventions
Breast milk, plasma, and blood samples
Diagnostic Test
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Nov 3, 2026, 10:33 PM EST
Withdrawn No phase listed Observational

Biopsy Collection for Men Undergoing Brachytherapy for Prostate Cancer

NCT04243473
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Completed No phase listed Observational

Monitoring Plasma Tumor DNA in Early-Stage Breast Cancer

NCT02743910
View directory record Official record
Conditions
Breast Cancer
Interventions
ptDNA, Tissue sample
Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Completed No phase listed Observational

Longitudinal Evaluation of HIV-associated Lung Disease Phenotypes

NCT02238327
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, HIV, Emphysema
Interventions
blood draw, questionnaires, Lung function testing, Six-Minute walk test, Quantitative CT scans, Nasal secretion and cell collection, Echocardiogram
Procedure · Radiation
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Nov 3, 2026, 10:33 PM EST
Not listed No phase listed Observational

Biomarkers of Independent Walking Post-Stroke

NCT05004389
View directory record Official record
Conditions
Stroke, Acute, Gait, Hemiplegic
Interventions
MRI, blood draw, Clinical assessments
Diagnostic Test · Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 14, 2023 · Synced Nov 3, 2026, 10:33 PM EST
Recruiting Phase 1 Interventional Accepts healthy volunteers

Comparative Evaluation of Nicotine Analogs

NCT07585006
View directory record Official record
Conditions
Tobacco-Related Carcinoma, Addiction
Interventions
Biospecimen Collection, Nicotine, 6-Methyl Nicotine, nicotinamide, Puffing Topography Research, Survey Administration, Cardiovascular effects
Procedure · Drug · Behavioral + 1 more
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Active, not recruiting Phase 2 Interventional

Cabozantinib in High Grade Neuroendocrine Neoplasms

NCT04412629
View directory record Official record
Conditions
High Grade Neuroendocrine Neoplasms
Interventions
Cabozantinib, Blood for plasma biomarkers, Tissue biopsy
Drug · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers as Predictors of Suicidal Risk in Adolescents

NCT03014518
View directory record Official record
Conditions
Suicide, Attempted, Suicidal Ideation, Suicidal Intention, Suicide
Interventions
Clinical assessments and blood samples; follow-up for 12 mos, Clinical assessments and blood samples; no 12mo follow-up
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
12 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 16, 2021 · Synced Nov 3, 2026, 10:33 PM EST
Recruiting No phase listed Observational

Prospective Breast Cancer Biospecimen Collection

NCT04074720
View directory record Official record
Conditions
Breast Cancer, Invasive Breast Cancer, Carcinoma in Situ of the Breast
Interventions
Tissue Sample collection, Blood Sample Collection, Rectal Swab
Procedure · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Nov 3, 2026, 10:33 PM EST
Terminated No phase listed Observational

Dried Blood Spot- Statin Pilot Study

NCT02402803
View directory record Official record
Conditions
Hyperlipidemias, Cardiovascular Diseases
Interventions
Dried blood spot testing and phlebotomy
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Nov 3, 2026, 10:33 PM EST
Terminated Phase 2 Interventional

Erdafitinib for the Treatment of Patients With Castration-Resistant Prostate Cancer

NCT04754425
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Castration-Resistant Prostate Carcinoma Refractory to Second-Generation Androgen Receptor Axis-Targeted Agents, Metastatic Malignant Neoplasm in the Bone, Metastatic Prostate Adenocarcinoma, Metastatic Prostate Small Cell Neuroendocrine Carcinoma, Stage IV Prostate Cancer AJCC v8, Stage IVA Prostate Cancer AJCC v8, Stage IVB Prostate Cancer AJCC v8
Interventions
Biopsy, Biospecimen Collection, Erdafitinib
Procedure · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Analysis of Whole Body Magnetic Resonance Imaging and Liquid Biopsy for Early Detection of Cancer in Patients With a Strong Family History of Cancer

NCT05868486
View directory record Official record
Conditions
Hematopoietic and Lymphoid System Neoplasm, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Genetic Testing for Cancer Risk, Liquid Biopsy, Magnetic Resonance Imaging of the Whole Body without Contrast, Survey Administration
Procedure · Genetic · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Nov 3, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Recruiting No phase listed Observational Accepts healthy volunteers

Ex Vivo Expansion (ACT-X)

NCT07137312
View directory record Official record
Conditions
Solid Tumor, Healthy, Malignant Solid Neoplasm
Interventions
Blood Draw, Apheresis
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Completed No phase listed Observational

Transforming Research and Clinical Knowledge in Traumatic Brain Injury

NCT02119182
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
In-Person Outcome Assessment, Phone Outcome Assessment, 3T Magnetic Resonance Imaging (MRI), Blood Draw for Plasma, DNA, Serum, RNA
Behavioral · Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
1 Year to 100 Years
Enrollment
2,996 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
23
States / cities
San Francisco, California • Denver, Colorado • Englewood, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Nov 3, 2026, 10:33 PM EST
Recruiting No phase listed Observational Accepts healthy volunteers

Apheresis and Specimen Collection Procedures to Obtain Plasma, Peripheral Blood Mononuclear Cells (PBMCs) and Other Specimens for Research Studies

NCT00067054
View directory record Official record
Conditions
Sample Collection
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years and older
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
2
States / cities
Bethesda, Maryland • Kirkland, Washington
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Nov 3, 2026, 10:33 PM EST
Completed Phase 2 Interventional

Cariprazine for Comorbid Cocaine and Opioid Use Disorder

NCT05063201
View directory record Official record
Conditions
Opioid-use Disorder, Cocaine Use Disorder
Interventions
Cariprazine 1.5 MG, Placebo
Drug
Lead sponsor
Kyle Kampman
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Nov 3, 2026, 10:33 PM EST