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ClinicalTrials.gov public records Last synced Nov 15, 2026, 4:35 AM EST

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Showing 145–168 of 3,308 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Biological Markers Clear all
Completed Phase 1 Interventional

Developing Biomarkers of Dietary Intake

NCT01237093
View directory record Official record
Conditions
Diet Therapy, Healthy Volunteers
Interventions
1. Meat, no fish or soda, 2. Meat and soda, no fish, 3. Meat and fish, no soda, 4. Meat and fish and soda, 5. Fish, no meat or soda, 6. Fish and soda, no meat, 7. No meat, fish or soda, 8. Soda, no meat or fish
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years · Male only
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Autism Biomarker Consortium for Clinical Trials (ABC-CT): Follow-up Study

NCT04841525
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
6 Years to 11 Years
Enrollment
265 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 5, 2023 · Synced Nov 15, 2026, 4:35 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Establishing Muscle Impedance Parameters With Electrical Impedance Myography

NCT03633318
View directory record Official record
Conditions
IBM, Inclusion Body Myositis
Interventions
electrical impedance myography (EIM)
Device
Lead sponsor
Yale University
Other
Eligibility
46 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Nov 15, 2026, 4:35 AM EST
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Scaling and Root Planing (SRP) With and Without Minocycline HCl Microspheres, 1 mg

NCT03762915
View directory record Official record
Conditions
SRP, Minocycline HCl Microspheres, Biomarkers
Interventions
minocycline HCl microspheres
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Nov 15, 2026, 4:35 AM EST
Completed Phase 4 Interventional Accepts healthy volunteers

Modafinil Effects on EEG Biomarkers of Reward and Motivation

NCT03616717
View directory record Official record
Conditions
Healthy Adults
Interventions
Modafinil, placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Nov 15, 2026, 4:35 AM EST
Completed No phase listed Observational

Cardiac Biomarkers in Pediatric Cardiomyopathy (PCM Biomarkers)

NCT01873976
View directory record Official record
Conditions
Dilated Cardiomyopathy, Hypertrophic Cardiomyopathy
Interventions
Not listed
Lead sponsor
Wayne State University
Other
Eligibility
Up to 20 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
12
States / cities
Aurora, Colorado • Chicago, Illinois • Boston, Massachusetts + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Terminated No phase listed Observational

18F-FSPG PET/CT as a Non-Invasive Imaging Biomarker for Treatment Response to Chemoradiation in Esophageal Cancer

NCT06549413
View directory record Official record
Conditions
Esophageal Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Not yet recruiting Not applicable Interventional

Biomarker Testing to Predict Radiation-Related Heart Disease in Lung Cancer Patients

NCT07869329
View directory record Official record
Conditions
Non-Small Cell Lung Cancer, Radiation-Induced Cardiac Disease
Interventions
Serum Pro-N-Cadherin Biomarker Assessment, Echocardiogram
Diagnostic Test
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Active, not recruiting No phase listed Observational

Biomarkers in the Brain Oxygen Optimization in Severe Traumatic Brain Injury Trial

NCT04565119
View directory record Official record
Conditions
TBI (Traumatic Brain Injury)
Interventions
No intervention. This is an observational study.
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Ann Arbor, Michigan • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

BATokines as Biomarkers of Brown Fat in Humans

NCT05050240
View directory record Official record
Conditions
Healthy Lifestyle
Interventions
Cooling Vest Procedure, Fasting overnight
Other
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 28 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Terminated Phase 4 Interventional Results available

An Open-label Study to Identify Molecular Markers of Steroid Resistance

NCT01616160
View directory record Official record
Conditions
Nasal Polyps
Interventions
mometasone furoate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 70 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Nov 15, 2026, 4:35 AM EST
Recruiting No phase listed Observational

Delayed Toxicities Post-CAR-T

NCT07665307
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
3
States / cities
San Francisco, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Not listed No phase listed Observational Accepts healthy volunteers

Biomarker Study of Previously Treated Lyme Disease Volunteers in Comparison to Healthy Volunteers

NCT04835792
View directory record Official record
Conditions
Lyme Disease
Interventions
Stool and blood collection
Other
Lead sponsor
FlightPath Biosciences, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Nov 15, 2026, 4:35 AM EST
Not listed No phase listed Observational

Variables That Are Correlated to Developing Multiple Endocrine Neoplasia (MEN) and Pancreatic Neuroendocrine Tumors (PNET)

NCT03053999
View directory record Official record
Conditions
Multiple Endocrine Neoplasia, Pancreatic Neuroendocrine Tumors, Hyperparathyroidism
Interventions
Genome Sequencing, Data Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Nov 15, 2026, 4:35 AM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Biomarker Changes and Anxiolytic Effects-Phase 2

NCT04565145
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Kava Dietary Supplement, Placebo
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced Nov 15, 2026, 4:35 AM EST
Completed Phase 4 Interventional

Doxycycline Effects on Inflammation in Cystic Fibrosis

NCT01323101
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Doxycycline, No doxycycline
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2017 · Synced Nov 15, 2026, 4:35 AM EST
Completed Phase 3 Interventional Results available

Evaluation of a New Cardiac Biomarker Assay

NCT01608100
View directory record Official record
Conditions
Acute Coronary Syndrome, Acute Myocardial Infarction
Interventions
ARCHITECT STAT High Sensitive Troponin I Assay
Device
Lead sponsor
Abbott Diagnostics Division
Industry
Eligibility
18 Years and older
Enrollment
1,101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
12
States / cities
Chandler, Arizona • Palo Alto, California • Fort Lauderdale, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Nov 15, 2026, 4:35 AM EST
Terminated Phase 2 Interventional Results available

Multiple Treatment Session Study to Assess GSK2398852 Administered Following and Along With GSK2315698

NCT03044353
View directory record Official record
Conditions
Amyloidosis
Interventions
GSK2315698 (CPHPC), GSK2398852 (anti-SAP mAb)
Drug · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 16, 2019 · Synced Nov 15, 2026, 4:35 AM EST
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Adipocyte-Derived Extracellular Vesicles, Weight Loss, and Endothelial Function

NCT06776081
View directory record Official record
Conditions
Obesity, Weight Loss
Interventions
Weight loss without pharmacotherapy
Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
40 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 5, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Recruiting No phase listed Observational

International CDKL5 Clinical Research Network

NCT05558371
View directory record Official record
Conditions
CDKL5, CDKL5 Deficiency Disorder, CDD
Interventions
No intervention.
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
8
States / cities
Los Angeles, California • Aurora, Colorado • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Nov 15, 2026, 4:35 AM EST
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Trial of Pistachio Consumption in Older Adults

NCT06992544
View directory record Official record
Conditions
Cognition, Cardiometabolic Risk Factors, Life Satisfaction
Interventions
Pistachio-enriched diet, Usual diet
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years to 80 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 3, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Completed No phase listed Observational

Gastrin-Releasing Peptide and Bronchopulmonary Dysplasia

NCT01748565
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Prematurity
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
Up to 7 Days
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Indianapolis, Indiana • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 12, 2024 · Synced Nov 15, 2026, 4:35 AM EST
Completed Not applicable Interventional Results available

Rectal Spacer for Prostate Cancer Radiation Image Guidance

NCT05650021
View directory record Official record
Conditions
Prostate Cancer
Interventions
SpaceOAR Vue
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
Male only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 27, 2026 · Synced Nov 15, 2026, 4:35 AM EST
Completed No phase listed Observational

Biomarkers for Breast Cancer Risk in African American Women

NCT01736306
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
10 Years to 50 Years · Female only
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 31, 2020 · Synced Nov 15, 2026, 4:35 AM EST