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ClinicalTrials.gov public records Last synced Oct 23, 2026, 2:44 PM EDT

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

Showing 721–744 of 808 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Biomarker Testing Clear all
Recruiting No phase listed Observational

New MRI Biomarkers in Head and Neck Cancers

NCT03483337
View directory record Official record
Conditions
Head and Neck Cancer, Thyroid Cancer
Interventions
MRI examinations
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 23, 2026, 2:44 PM EDT
Not listed No phase listed Observational

Leukocyte Esterase Sensor Test

NCT04390607
View directory record Official record
Conditions
Prosthetic Joint Infection
Interventions
leukocyte esterase electrochemical assay
Diagnostic Test
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Oct 23, 2026, 2:44 PM EDT
Completed No phase listed Observational

Endothelial Microparticles as a Biomarker for Diagnosis and Prognosis in Early Sepsis

NCT01998139
View directory record Official record
Conditions
Systemic Inflammatory Response Syndrome
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Oct 23, 2026, 2:44 PM EDT
Terminated No phase listed Observational

Adult MDW Dual Cut-Off Accuracy Study

NCT06885528
View directory record Official record
Conditions
Sepsis
Interventions
Complete Blood Count with differential
Diagnostic Test
Lead sponsor
Beckman Coulter, Inc.
Industry
Eligibility
18 Years to 89 Years
Enrollment
524 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
5
States / cities
Indianapolis, Indiana • Kansas City, Kansas • Detroit, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 23, 2026, 2:44 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cell Free DNA in Cardiac Sarcoidosis

NCT03858777
View directory record Official record
Conditions
Sarcoidosis With Myocarditis, Sarcoidosis, Healthy, ST Elevation Myocardial Infarction
Interventions
cell free DNA
Diagnostic Test
Lead sponsor
Nabeel Hamzeh
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 23, 2026, 2:44 PM EDT
Active, not recruiting Phase 3 Interventional

Predicting Responses to PTSD Treatment With Iris and Cardiovascular Tests

NCT03539614
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Prazosin, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 75 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 23, 2026, 2:44 PM EDT
Completed No phase listed Observational

A Study of MSDx Complex 1 as a Marker for Therapy Response in Multiple Sclerosis

NCT01541618
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
MSDX Complex-1 Biomarker test
Other
Lead sponsor
MSDx, Inc.
Industry
Eligibility
45 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Oct 23, 2026, 2:44 PM EDT
Completed No phase listed Observational

Non-Invasive Screening for Fetal Aneuploidy

NCT00847990
View directory record Official record
Conditions
Down Syndrome, Edwards Syndrome
Interventions
Maternal blood screening test for fetal aneuploidy
Other
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
25
States / cities
Mesa, Arizona • Phoenix, Arizona • Tucson, Arizona + 18 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2011 · Synced Oct 23, 2026, 2:44 PM EDT
Completed No phase listed Observational

Biomarker and DNA Collection in Subjects Participating in Protocol 22003

NCT00892580
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
STX209
Drug
Lead sponsor
Seaside Therapeutics, Inc.
Industry
Eligibility
6 Years to 17 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
8
States / cities
Phoenix, Arizona • Los Angeles, California • New Haven, Connecticut + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2013 · Synced Oct 23, 2026, 2:44 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Clinical Trial to Test if the Investigational Drug BNT329 is Safe and Potentially Beneficial for People With Advanced Solid Tumors Known to Express the Tumor Marker CA19-9

NCT07186842
View directory record Official record
Conditions
Advanced Solid Cancers
Interventions
BNT329, CA19-9-targeting monoclonal antibody
Drug
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
4
States / cities
Denver, Colorado • Orlando, Florida • Detroit, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 23, 2026, 2:44 PM EDT
Terminated No phase listed Observational

Effect of Androgen Blockade Therapy on Thymus Function in Older Patients Who Have Undergone Radical Prostatectomy for Localized Prostate Cancer

NCT00379119
View directory record Official record
Conditions
Prostate Cancer
Interventions
diagnostic laboratory biomarker analysis, flow cytometry, physiologic testing, computed tomography
Other · Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 11, 2012 · Synced Oct 23, 2026, 2:44 PM EDT
Withdrawn No phase listed Observational

Assessment of Septin9 Biomarker for Detection of Colorectal Cancer in Patients With Positive Fecal Immunochemical Test

NCT01574677
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Epigenomics, Inc
Industry
Eligibility
49 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
2
States / cities
Atlanta, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 4, 2014 · Synced Oct 23, 2026, 2:44 PM EDT
Terminated Phase 1 Interventional

Dabrafenib in Treating Patients With Solid Tumors and Kidney or Liver Dysfunction

NCT01907802
View directory record Official record
Conditions
BRAF Gene Mutation, Hepatic Complication, Renal Failure, Solid Neoplasm
Interventions
Dabrafenib, Laboratory Biomarker Analysis, Pharmacogenomic Study, Pharmacological Study
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
17
States / cities
Duarte, California • Los Angeles, California • Sacramento, California + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Oct 23, 2026, 2:44 PM EDT
Terminated No phase listed Observational Results available

Breath Test for Women Receiving Tamoxifen in the Prevention or Treatment of Breast Cancer

NCT00873366
View directory record Official record
Conditions
Breast Cancer
Interventions
dextromethorphan hydrobromide, tamoxifen citrate, high performance liquid chromatography, laboratory biomarker analysis, pharmacogenomic studies, pharmacological study, fluorescence imaging
Drug · Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 23, 2026, 2:44 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Biomarker Qualification for Risk of Mild Cognitive Impairment (MCI) Due to Alzheimer's Disease (AD) and Safety and Efficacy Evaluation of Pioglitazone in Delaying Its Onset

NCT01931566
View directory record Official record
Conditions
Mild Cognitive Impairment Due to Alzheimer's Disease
Interventions
Pioglitazone, Pioglitazone placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
65 Years to 83 Years
Enrollment
3,494 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
34
States / cities
Phoenix, Arizona • Sun City, Arizona • Long Beach, California + 31 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2019 · Synced Oct 23, 2026, 2:44 PM EDT
Completed Phase 3 Interventional

Gemcitabine With or Without Bevacizumab in Treating Patients With Locally Advanced or Metastatic Pancreatic Cancer

NCT00088894
View directory record Official record
Conditions
Adenocarcinoma of the Pancreas, Recurrent Pancreatic Cancer, Stage II Pancreatic Cancer, Stage III Pancreatic Cancer, Stage IV Pancreatic Cancer
Interventions
gemcitabine hydrochloride, bevacizumab, placebo, laboratory biomarker analysis, pharmacogenomic studies, pharmacological study
Drug · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
590 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 5, 2013 · Synced Oct 23, 2026, 2:44 PM EDT
Completed No phase listed Observational

Investigating NeuroinflammaTion UnderlyIng Postoperative Brain Connectivity Changes, POCD, Delirium in Older Adults

NCT03273335
View directory record Official record
Conditions
Delirium
Interventions
Millipore biomarker assay plate
Device
Lead sponsor
Duke University
Other
Eligibility
60 Years to 130 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Oct 23, 2026, 2:44 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Non-invasive Measurement of Cerebrovascular Reactivity After Traumatic Brain Injury

NCT02990078
View directory record Official record
Conditions
TBI
Interventions
Sildenafil citrate, Functional Near Infared Spectroscopy, Hypercapnia Challenge
Drug · Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Oct 23, 2026, 2:44 PM EDT
Completed Not applicable Interventional

DNA Changes That Affect Vitamin D Metabolism in Patients With Colorectal Cancer Receiving Vitamin D Supplements

NCT00550563
View directory record Official record
Conditions
Colorectal Cancer
Interventions
cholecalciferol, polymerase chain reaction, polymorphism analysis, protein expression analysis, reverse transcriptase-polymerase chain reaction, western blotting, high performance liquid chromatography, laboratory biomarker analysis, pharmacological study, adjuvant therapy, immunoscintigraphy
Dietary Supplement · Genetic · Other + 1 more
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 23, 2026, 2:44 PM EDT
Terminated No phase listed Observational

Cardiac Biomarkers in Early Detection of Cardiotoxicity in Patients Receiving Sunitinib or Sorafenib Chemotherapy

NCT00532064
View directory record Official record
Conditions
Malignant Neoplasm
Interventions
Biospecimen Collection, Questionnaire Administration
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 85 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2020 · Synced Oct 23, 2026, 2:44 PM EDT
Terminated Early Phase 1 Interventional Results available

Recombinant Interferon Gamma in Treating Patients With Soft Tissue Sarcoma

NCT01957709
View directory record Official record
Conditions
Myxoid Liposarcoma, Round Cell Liposarcoma, Synovial Sarcoma
Interventions
Laboratory Biomarker Analysis, Recombinant Interferon Gamma
Other · Biological
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Oct 23, 2026, 2:44 PM EDT
Not listed No phase listed Observational

Circulating Tumour DNA as a Marker of Residual Disease & Response to Adjuvant Chemotherapy in Stage I-IV Ovarian Cancer

NCT03691012
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Circulating tumour DNA testing
Diagnostic Test
Lead sponsor
Walter and Eliza Hall Institute of Medical Research
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Oct 23, 2026, 2:44 PM EDT
Recruiting No phase listed Observational

ctDNA in Cutaneous Squamous Cell Carcinoma

NCT06875609
View directory record Official record
Conditions
Cutaneous Squamous Cell Carcinoma
Interventions
Blood and Tissue Collection
Diagnostic Test
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 23, 2026, 2:44 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Serum Markers as a Bioassay for Unipolar Depression

NCT00825799
View directory record Official record
Conditions
Major Depression
Interventions
Not listed
Lead sponsor
Steward St. Elizabeth's Medical Center of Boston, Inc.
Other
Eligibility
18 Years to 60 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 3, 2014 · Synced Oct 23, 2026, 2:44 PM EDT