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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nutritional Biomarkers Clear all
Completed Phase 2 Interventional

Calcium Supplements for Bone Health in Juvenile Rheumatoid Arthritis

NCT00000429
View directory record Official record
Conditions
Juvenile Rheumatoid Arthritis
Interventions
Calcium carbonate
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 18 Years
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2001
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 31, 2013 · Synced Sep 28, 2026, 7:42 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Response of Gut Microbiota and Cardiometabolic Biomarkers to Consumption of Walnuts

NCT04307628
View directory record Official record
Conditions
Healthy, Normal Weight, Overweight, Obese
Interventions
Walnut, Nut-Free
Other
Lead sponsor
University of California, Davis
Other
Eligibility
20 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Sep 28, 2026, 7:42 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Phenotype, Genotype and Biomarkers 2

NCT04875416
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis, Hereditary Spastic Paraplegia, Primary Lateral Sclerosis, Progressive Muscular Atrophy, Frontotemporal Dementia
Interventions
Not listed
Lead sponsor
University of Miami
Other
Eligibility
7 Years and older
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2031
U.S. locations
3
States / cities
Miami, Florida • Kansas City, Kansas • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Not applicable Interventional

Effects of Almonds on Vascular Reactivity in Patients With Coronary Artery Disease

NCT00782015
View directory record Official record
Conditions
Vascular Disease, Endothelial Dysfunction, Heart Disease, Cardiovascular Diseases, Hypertension
Interventions
Almonds, Placebo Comparator:
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
20 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Sep 28, 2026, 7:42 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

A Natural History Study to TRACK Brain and Spinal Cord Changes in Individuals with Friedreich Ataxia (TRACK-FA)

NCT04349514
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
Natural history
Other
Lead sponsor
Monash University
Other
Eligibility
5 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
3
States / cities
Gainesville, Florida • Minneapolis, Minnesota • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Early Phase 1 Interventional

Rosuvastatin (Crestor) in Friedreich Ataxia

NCT02705547
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
Rosuvastatin
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 24, 2021 · Synced Sep 28, 2026, 7:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Preclinical Imaging Biomarkers of Alzheimer's Disease Neuropathology in Young Adults With Youth-onset Diabetes: a Proof-of-concept Study

NCT05350514
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2, Diabetes, Youth Onset
Interventions
PI-2620 tracer
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Folic Acid Supplementation in Women of Child Bearing Age

NCT01841658
View directory record Official record
Conditions
Obesity
Interventions
Folic acid
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 3, 2016 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Phase 2 Interventional Results available

An add-on Study to the FIGARO-DKD Study Called FIGARO-BM to Learn About the Link Between Biomarkers (Substances in the Blood Used as Indicators of Biological Processes, Disease Processes or Responses to Medication) and Finerenone in FIGARO-DKD Participants

NCT05013008
View directory record Official record
Conditions
Chronic Kidney Disease, Type 2 Diabetes Mellitus
Interventions
Finerenone (Kerendia, BAY94-8862), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
951 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
13
States / cities
Northridge, California • Port Hueneme, California • Waterbury, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Sep 28, 2026, 7:42 AM EDT
Not listed No phase listed Observational

Salivary Transcriptome Biomarkers for Early Diabetes Detection

NCT02673762
View directory record Official record
Conditions
Pre-diabetes, Type II Diabetes, Insulin Resistance
Interventions
Not listed
Lead sponsor
PeriRx
Industry
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 11, 2018 · Synced Sep 28, 2026, 7:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Imaging and BioFluid Biomarkers in Amyotrophic Lateral Sclerosis

NCT02559869
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis (ALS)
Interventions
[18F] GE-180
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
2
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Whole-grape Powder on Body Composition, Fat and Bone Serum Biomarkers in Postmenopausal Women

NCT01717820
View directory record Official record
Conditions
Obesity
Interventions
Freeze-dried whole-grape powder
Dietary Supplement
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Denton, Texas
Source: ClinicalTrials.gov public record
Updated Oct 30, 2012 · Synced Sep 28, 2026, 7:42 AM EDT
Withdrawn Not applicable Interventional

A Study of a Virtual Education-Based Transition Intervention to Improve Transition Readiness in Adolescent and Young Adults With Congenital Adrenal Hyperplasia

NCT05663320
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
virtual educational based transition intervention self-paced
Other
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
16 Years to 22 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Sep 28, 2026, 7:42 AM EDT
Not listed Not applicable Interventional

A Prospective Evaluation of Health Services Outcomes and Emerging Cardiovascular Disease Biomarkers

NCT00820313
View directory record Official record
Conditions
Coronary Heart Disease, Biomarkers of Cardiovascular Disease
Interventions
Dr. Dean Ornish Program for Reversing Heart Disease
Behavioral
Lead sponsor
Preventive Medicine Research Institute
Other
Eligibility
21 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Sausalito, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2009 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of the Effect of BONISTEIN(R) Bone Blend on Bone Mineral Density/Content and Biomarkers of Bone Health

NCT00698984
View directory record Official record
Conditions
Osteoporosis
Interventions
BONISTEIN(R) bone blend, Placebo
Dietary Supplement
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
45 Years to 55 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 15, 2009 · Synced Sep 28, 2026, 7:42 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Clinical and Molecular Characteristics of Primary Aldosteronism in Blacks

NCT03374215
View directory record Official record
Conditions
Adrenal Gland Neoplasm, Hypertension, Bone Diseases, Metabolic, Cardiovascular Disease, Hyperinsulinemia
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
7 Years to 70 Years
Enrollment
1,150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Sep 28, 2026, 7:42 AM EDT
Recruiting Not applicable Interventional

Effects of Walking in Greenspace and the Built Environment in Adults With Prediabetes: A Randomized Crossover Trial

NCT06365723
View directory record Official record
Conditions
PreDiabetes, Heart Rate Variability (HRV), Stress and Anxiety, Stress Biomarkers
Interventions
Nature-based Walking, Built-environment/Commercial Walking
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
25 Years to 64 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Lake Forest, Illinois • Winfield, Illinois • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Phase 2 Interventional Results available

A Trial of Tocilizumab in ALS Subjects

NCT02469896
View directory record Official record
Conditions
ALS, Amyotrophic Lateral Sclerosis, Lou Gehrig's Disease, Motor Neuron Disease
Interventions
Tocilizumab, Placebo
Drug · Other
Lead sponsor
Barrow Neurological Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
5
States / cities
Phoenix, Arizona • Kansas City, Kansas • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Sep 28, 2026, 7:42 AM EDT
Completed No phase listed Observational

Osteomyelitis: Procalcitonin to Diagnose and Monitor Osteomyelitis

NCT02165579
View directory record Official record
Conditions
Diabetes, Foot Ulcer, Osteomyelitis
Interventions
1 cohort, standard care, observational
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 7, 2018 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Phase 4 Interventional

Impact of Vertebral Fracture Knowledge on Persistence in Subjects Taking Glucocorticoid Therapy

NCT00616694
View directory record Official record
Conditions
Osteoporosis
Interventions
Actonel
Drug
Lead sponsor
Sanofi
Industry
Eligibility
30 Years to 85 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 20, 2008 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing a Biomarker Panel to Assess Choline Nutritional Status

NCT03234062
View directory record Official record
Conditions
Healthy
Interventions
25% Cho diet, 50% Cho diet, 100% Cho diet
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
17 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 2, 2019 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Not applicable Interventional

A Gardening Program to Assess Unhealthy Lifestyle Contributions to Summer Weight Gain in Children

NCT00974727
View directory record Official record
Conditions
Overweight
Interventions
Garden Fit
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
10 Years to 14 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 4, 2015 · Synced Sep 28, 2026, 7:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Identification of Muscle-specific Biomarkers of Fatty Acid Beta-oxidation

NCT01494025
View directory record Official record
Conditions
Obesity
Interventions
Diet and Exercise
Behavioral
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
30 Years to 50 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jul 6, 2021 · Synced Sep 28, 2026, 7:42 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Transgenerational Metabolic-Immune Biomarkers of Neurological and Neurodevelopmental Disorders

NCT04322734
View directory record Official record
Conditions
Autism Spectrum Disorder, Mitochondrial Pathology, Epilepsy, Brain Tumor, Psychiatric Disorder, Mitochondrial Diseases
Interventions
Not listed
Lead sponsor
Southwest Autism Research & Resource Center
Other
Eligibility
Up to 18 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
2
States / cities
Phoenix, Arizona • Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 28, 2026, 7:42 AM EDT