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ClinicalTrials.gov public records Last synced Sep 1, 2026, 11:05 PM EDT

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Showing 1–24 of 154 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Caries, Metabolomic Profile
Interventions
Drinking water, Apple juice
Other
Lead sponsor
Jodi Stookey
Government
Eligibility
5 Years to 10 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Completed No phase listed Observational Accepts healthy volunteers

Mitochondrial Biomarkers in Huntington's Disease

NCT04515550
Conditions
Huntington Disease
Interventions
lumbar puncture
Diagnostic Test
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
20 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Not applicable Interventional Accepts healthy volunteers Results available

Metabolomic Analysis of Hepatic Insulin Resistance

NCT01833403
Conditions
Type 2 Diabetes, Obesity
Interventions
Hyperinsulinemic-euglycemic clamp
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 80 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Impact of Dietary Intervention on Inflammation and Microbiome Composition Post-Colonoscopy

NCT06603519
Conditions
Colorectal Polyp, Inflammation, Dietary Intervention, Microbiota, Colorectal Neoplasms, Metabolomics
Interventions
Modified Plant-Based Mediterranean Diet
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Diego, California
Completed No phase listed Observational Accepts healthy volunteers

Metabolome and Microbiomic in Fecal Samples

NCT00938028
Conditions
Infant
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Months to 20 Months
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Boston, Massachusetts
Not listed No phase listed Observational Accepts healthy volunteers

Spectroscopy in Parkinson Disease

NCT01005030
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
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Biomarkers Intervention Core

NCT05616585
Conditions
Biological Markers, Diet, Healthy, Metabolomics, Nutrition, Healthy
Interventions
Pharmacokinetic (PK)- Controlled Feeding Diet, Dose Response (DR)- Controlled Feeding Diet
Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Parkinson Disease, Mitochondrial
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
65 Years to 85 Years
Enrollment
30 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Active, not recruiting No phase listed Observational

Metabolomic Profiling of Racial Disparity

NCT06266429
Conditions
Adenoid Hypertrophy, Tonsillar Hypertrophy, Surgery
Interventions
Blood collection
Diagnostic Test
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
4 Years to 17 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Completed No phase listed Observational Accepts healthy volunteers

Development of Biomarkers of Effect From Chronic Tobacco Usage

NCT01923402
Conditions
Cigarette Smoking
Interventions
Not listed
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
35 Years to 60 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
High Point, North Carolina
Conditions
Brain Tumor, Glioblastoma
Interventions
Dichloroacetate
Drug
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Completed No phase listed Observational Accepts healthy volunteers Results available

Exploratory Study of Circadian Relationships Between Social Behavior, Blood Pressure and Metabolomics

NCT02249793
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
25 Years to 35 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Multiple Endocrine Neoplasia
Interventions
Not listed
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
629 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Houston, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Influence of the Gut Microbiome on Blueberry Polyphenol Metabolites

NCT07607158
Conditions
Microbiome Analysis, Metabolomics
Interventions
Freeze-dried blueberry powder beverage
Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Fort Collins, Colorado
Conditions
Inflammatory Bowel Disease
Interventions
Mediterranean Diet
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
San Diego, California
Completed Not applicable Interventional Accepts healthy volunteers

Phase 2 Seattle Dietary Biomarkers Development Center

NCT06656338
Conditions
Healthy Adults
Interventions
Higher HEI-2020 diet followed by lower HEI-2020 diet, Lower HEI-2020 diet followed by higher HEI-2020 diet
Other
Lead sponsor
Marian Neuhouser
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Not listed Not applicable Interventional Accepts healthy volunteers

The Effects of Agro-ecological Farming Systems on Human Health

NCT05575258
Conditions
Inflammatory Response
Interventions
44-Day Diet Conventionally Sourced - YELLOW Diet, 44-Day Diet Agro-Ecologically Sourced - GREEN Diet
Other
Lead sponsor
Utah State University
Other
Eligibility
35 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Logan, Utah
Completed Not applicable Interventional Accepts healthy volunteers

Pistachios, Performance, Metabolomics

NCT01821820
Conditions
Inflammation, Oxidative Stress, Immune Dysfunction
Interventions
Pistachios
Other
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Kannapolis, North Carolina
Completed Not applicable Interventional Results available

HIP: Hip Imaging Protocol

NCT04126161
Conditions
Metabolic Profiling Muscle
Interventions
CT, Ultrasound
Procedure · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Alcohol Use Disorder
Interventions
Liver biopsy
Diagnostic Test
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Diabetes Mellitus, Type 2, PreDiabetes, Insulin Resistance, Obesity, Nonalcoholic Steatohepatitis, Nonalcoholic Fatty Liver, Diet Modification
Interventions
Dietary Intervention Mediterranean Low Carbohydrate Diet, Dietary Intervention Standard Low Carbohydrate Diet, Dietary Intervention Standard Low Fat Diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
35 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Stanford, California
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Time-restricted Eating on Nutrient Absorption in Healthy Adults

NCT04877262
Conditions
Digestibility
Interventions
weight maintenance diet (WMD)
Other
Lead sponsor
Florida State University
Other
Eligibility
20 Years to 45 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tallahassee, Florida
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Metabolic Signatures and Biomarkers in Schizophrenia

NCT00466310
Conditions
Schizophrenia
Interventions
Aripiprazole, Risperidone, Healthy volunteers
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 60 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Butner, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Maternal Exercise on Infant Skeletal Muscle and Metabolomics

NCT03838146
Conditions
Exercise
Interventions
Types of Exercise
Behavioral
Lead sponsor
East Carolina University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Greenville, North Carolina