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ClinicalTrials.gov public records Last synced Sep 11, 2026, 10:06 AM EDT

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Showing 1–24 of 805 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional

Whipple Protein Study

NCT04306874
Conditions
Pancreatic Cancer, Malnutrition
Interventions
Ensure Max Protein
Dietary Supplement
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Optic Neuritis
Interventions
Lipoic Acid
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Completed Phase 4 Interventional Results available

Novel Combination Therapy for Osteoporosis in Men

NCT03994172
Conditions
Male Osteoporosis
Interventions
Teriparatide or human parathyroid hormone (PTH) 1-34, Cinacalcet, placebo tablet, Calcium citrate tablet, Vitamin D3
Drug · Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 85 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
San Francisco, California
Conditions
Delirium
Interventions
Melatonin, Placebo
Dietary Supplement · Other
Lead sponsor
Scripps Health
Other
Eligibility
65 Years to 100 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
La Jolla, California
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Effects of Ketone Supplement and Alcohol on Brain Metabolism

NCT06815237
Conditions
Ketosis, Alcohol Drinking, MRI
Interventions
Kenetik, Alcohol beverage
Dietary Supplement · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Exercise-induced Joint Pain, Exercise-induced Joint Stiffness, Exercise-induced Joint Cartilage Turnover
Interventions
NEM® + BIOCURC®, Placebo
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
40 Years to 75 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Springfield, Missouri
Terminated Not applicable Interventional Accepts healthy volunteers

A Safety and Efficacy Study of a Nutraceutical in Aging Males With Thinning Hair

NCT06854575
Conditions
Hair Thinning
Interventions
Dietary Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
40 Years to 65 Years · Male only
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
3
States / cities
Phoenix, Arizona • Elizabeth, New Jersey • Richardson, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Magnesium Supplementation on Body Composition

NCT06703099
Conditions
Body Composition Changes
Interventions
Magnesium Supplementation
Dietary Supplement
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 30 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Davie, Florida
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Vitamin D Supplementation in Breastfeeding Women

NCT01240265
Conditions
Vitamin D Deficiency, Rickets, Infant Nutrition Disorders
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
1 Month to 50 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Congestive Heart Failure(CHF)
Interventions
Hawthorn supplement, Ketones, Placebo Control
Dietary Supplement · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Inflammatory Bowel Disease, Crohn Disease, Ulcerative Colitis, Vitamin D Deficiency
Interventions
vitamin D3
Dietary Supplement
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 25 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Inflammatory Bowel Diseases, Vitamin D Deficiency
Interventions
Vitamin D (ergocalciferol and/ or cholecalciferol)
Dietary Supplement
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Timing of Sodium Intake and Nocturnal Sodium Excretion and Blood Pressure in Obese African Americans

NCT04021355
Conditions
Obesity, Hypertension, Circadian Dysregulation, Salt; Excess
Interventions
Oral sodium supplementation
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
25 Years to 45 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Recruiting Not applicable Interventional Accepts healthy volunteers

ACEs, SIRT1, and Premature Vascular Aging in Humans

NCT07073352
Conditions
Adverse Childhood Experiences, Endothelial Dysfunction
Interventions
Nicotinamide Riboside, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 30 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Iowa City, Iowa • Madison, Wisconsin
Conditions
End Stage Renal Disease
Interventions
Valine, EEA
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 64 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Human Microbiome
Interventions
Terminalia Chebula fruit extract, Placebo, Topical Terminalia Chebula, Topical Placebo
Dietary Supplement · Other
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
25 Years to 55 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Sacramento, California
Conditions
Hyperinsulinism-Hyperammonemia Syndrome
Interventions
Vitamin E
Dietary Supplement
Lead sponsor
Elizabeth A Rosenfeld
Other
Eligibility
1 Year to 40 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
HIV, Endothelial Dysfunction, Oxidative Stress
Interventions
PharmaNAC (N-acetylcysteine), Matching placebo
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Healthy Volunteers
Interventions
Cardiosyn
Dietary Supplement
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Chronic Kidney Disease, Sarcopenia
Interventions
Valine, EEA
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
45 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Pre Diabetes, Impaired Glucose Tolerance, Insulin Sensitivity, Insulin Resistance, Glucose Metabolism Disorders, Metabolic Syndrome
Interventions
Eubacterium hallii, Placebo
Dietary Supplement · Other
Lead sponsor
Atlantia Food Clinical Trials
Industry
Eligibility
21 Years to 69 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Hypertension
Interventions
Watermelon Extract
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
45 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Tallahassee, Florida
Conditions
Alcohol Use Disorder, Alcohol Withdrawal, Ketosis
Interventions
ketone supplement "D-beta-hydroxybutryric acid and R-1,3 butanediol" 12g of ketones,, magnetic resonance imaging session, Placebo beverage
Dietary Supplement · Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Inflammation Symptoms, Eye Dryness, Eye Health
Interventions
Eye Empower
Dietary Supplement
Lead sponsor
Bio Nature Health
Industry
Eligibility
40 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California