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ClinicalTrials.gov public records Last synced Oct 21, 2026, 4:48 AM EDT

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Showing 73–96 of 210 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Plasma Sample Clear all
Terminated No phase listed Observational

Measuring Cell Free DNA During the Course of Treatment for Esophageal Cancer as a Marker of Response and Recurrence

NCT03108885
View directory record Official record
Conditions
Esophageal Neoplasm, Esophageal Neoplasms Malignancy Unspecified, Esophageal Neoplasms Malignant, Cancer of Esophagus, Cancer of the Esophagus, Esophageal Cancer, Esophagus Cancer, Neoplasm, Esophageal
Interventions
Blood and Tissue Collection
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
19 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 22, 2024 · Synced Oct 21, 2026, 4:48 AM EDT
Completed Phase 2 Interventional Results available

Sunitinib and Erlotinib in Treating Patients With Unresectable or Metastatic Kidney Cancer

NCT00425386
View directory record Official record
Conditions
Kidney Cancer
Interventions
erlotinib hydrochloride, sunitinib malate, biopsy
Drug · Procedure
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
4
States / cities
Los Angeles, California • Portland, Oregon • Salem, Oregon
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Oct 21, 2026, 4:48 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 21, 2026, 4:48 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 21, 2026, 4:48 AM EDT
Completed No phase listed Observational

Platelets in Pregnancy

NCT06194643
View directory record Official record
Conditions
Hypertensive Disorder of Pregnancy
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
66 participants
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational

Adiposity and Airway Inflammation in HIV-Associated Airway Disease

NCT02975258
View directory record Official record
Conditions
Asthma, HIV, Adiposity
Interventions
Blood draw, Questionnaires, Spirometry, Methacholine challenge test, Quantitative CT scans, Urine pregnancy test, Adipose biopsy, Exhaled nitric oxide measurement
Procedure · Other · Radiation
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational

A Collection of Clinical and Epidemiologic Data Combined With Tissue and Blood From Patients With a Diagnosis of Neuroendocrine Tumors

NCT00745381
View directory record Official record
Conditions
Gastric Cancer, Pancreatic Cancer
Interventions
questionnaire, Blood specimens
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2020
U.S. locations
3
States / cities
Basking Ridge, New Jersey • Commack, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2020 · Synced Oct 21, 2026, 4:48 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Natural History Study of and Genetic Modifiers in Spinocerebellar Ataxias

NCT01060371
View directory record Official record
Conditions
Spinocerebellar Ataxia Type 1, Spinocerebellar Ataxia Type 2, Spinocerebellar Ataxia Type 3, Spinocerebellar Ataxia Type 6, Spinocerebellar Ataxia Type 7, Spinocerebellar Ataxia Type 8, Spinocerebellar Ataxia Type 10, RFC1 Gene Mutation, Spinocerebellar Ataxia Type 27b, Healthy Participants
Interventions
Genetic Testing, Blood Collection, Magnetic Resonance Imaging (MRI) Scan, Assessments and Questionnaires, Cerebrospinal Fluid Collection
Genetic · Other
Lead sponsor
Lauren Moore
Other
Eligibility
6 Years and older
Enrollment
1,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2030
U.S. locations
16
States / cities
Los Angeles, California • San Francisco, California • Gainesville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
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 Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of InnoLIA HTLV I/II Score

NCT01149837
View directory record Official record
Conditions
Human T-Lymphotrophic Virus Type I and/or Type II
Interventions
InnoLIA HTLV I/II Score line immunoassay
Device
Lead sponsor
Creative Testing Solutions
Other
Eligibility
Not listed
Enrollment
3,305 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Preliminary Evaluation of Septin9 in Patients With Hereditary Colon Cancer Syndromes

NCT02198092
View directory record Official record
Conditions
Familial Adenomatous Polyposis, Map Syndrome, Lynch Syndrome, Hnpcc, Colorectal Cancer
Interventions
Epi proColon Testing
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 21, 2026, 4:48 AM EDT
Recruiting No phase listed Observational

Determine the Utility of Liquid Biopsies and Tumor Molecular Profiling in Predicting Recurrence in Endometrial Cancers

NCT05049538
View directory record Official record
Conditions
Endometrial Clear Cell Adenocarcinoma, Endometrial Dedifferentiated Carcinoma, Endometrial Mucinous Adenocarcinoma, Endometrial Serous Adenocarcinoma, Malignant Uterine Neoplasm, Uterine Corpus Carcinosarcoma
Interventions
Biospecimen Collection, Liquid Biopsy, Pap Smear
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 21, 2026, 4:48 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 21, 2026, 4:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

African American Alzheimer's Progression Markers - CSF and Neuro-Imaging

NCT02089555
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Lumbar puncture, Blood draw, Magnetic Resonance Imaging (MRI)
Procedure
Lead sponsor
Emory University
Other
Eligibility
60 Years to 85 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 23, 2016 · Synced Oct 21, 2026, 4:48 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

ALPCO 25(OH) Vitamin D CLIA Kit - Fresh Versus Frozen Serum and Plasma Stability Study

NCT07565064
View directory record Official record
Conditions
Vitamin D Deficiency, Vitamin D Insufficiency, Healthy Volunteers
Interventions
ALPCO 25(OH) Vitamin D CLIA Kit
Device
Lead sponsor
American Laboratory Products Company
Industry
Eligibility
22 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Salem, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Novel vs. Usual Brand Menthol Cigarettes on Abuse Liability

NCT07564648
View directory record Official record
Conditions
Cigarette Addiction, Tobacco Use Disorder
Interventions
Biospecimen Collection, Questionnaire Administration, Cigarette Purchase Task, Cross-Price Elasticity Task, Daily Diary Surveys, Progressive Ratio Task
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of a Finger Prick Collection Method for Measuring Alzheimer's Disease Blood Biomarkers

NCT07187921
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Not listed
Lead sponsor
Banner Health
Other
Eligibility
50 Years to 80 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adherence to Minimally Invasive Testing

NCT02251782
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Epi proColon Test, Fecal Immunochemical Test (FIT)
Device
Lead sponsor
Epigenomics, Inc
Industry
Eligibility
50 Years to 76 Years
Enrollment
490 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Portland, Oregon • Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 30, 2015 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational

Prostate Biomarker Study

NCT00574899
View directory record Official record
Conditions
Prostate Cancer
Interventions
Questioners, blood specimens, prostate tissue specimens
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
35 Years and older · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Los Angeles, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Utility of Plasma Circulating Tumor DNA (ctDNA) in Asymptomatic Subjects for the Detection of Neoplastic Disease

NCT02612350
View directory record Official record
Conditions
Mutation, Neoplasms
Interventions
ctDNA Analysis for the Detection of Genetic Mutations
Genetic
Lead sponsor
Pathway Genomics
Industry
Eligibility
18 Years and older
Enrollment
1,106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 21, 2026, 4:48 AM EDT
Recruiting No phase listed Observational

Longitudinal Study of Intra-Uterine Growth Restriction

NCT02382601
View directory record Official record
Conditions
IUGR, Pregnancy
Interventions
Ultrasound, MRI, Blood collection, Neurological Function Assessment, Placental Analysis, Measurement of body fat, Pediatric heart ultrasound
Radiation · Procedure · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Spectroscopy in Parkinson Disease

NCT01005030
View directory record Official record
Conditions
Parkinson Disease
Interventions
Blood draw
Other
Lead sponsor
Molecular Biometrics, Inc.
Industry
Eligibility
46 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 10, 2009 · Synced Oct 21, 2026, 4:48 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Apheresis to Obtain Plasma or White Blood Cells for Laboratory Studies

NCT00114647
View directory record Official record
Conditions
Healthy Volunteers, HIV
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 100 Years
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1984
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational

Evaluating the Role of Inflammation in Neonatal Epileptogenesis

NCT04259125
View directory record Official record
Conditions
Neonatal Seizure, Epilepsy, Seizures, Inflammatory Response
Interventions
Blood draw, Survey
Diagnostic Test · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
1 Day to 4 Days
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
4
States / cities
Oakland, California • San Francisco, California • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 21, 2026, 4:48 AM EDT