Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 3:18 AM EDT

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Showing 409–432 of 1,844 matching trials from the live ClinicalTrials.gov search.
Conditions
Metabolic Syndrome
Interventions
Beetroot Juice - Active, beetroot juice - Placebo
Drug
Lead sponsor
Penn State University
Other
Eligibility
55 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
University Park, Pennsylvania
Conditions
Supplementation in Healthy Adults to Assess Impact on Omega 3 Index and Cardiometabolic Health
Interventions
whole salmon oil, Cod liver oil
Dietary Supplement
Lead sponsor
Hofseth Biocare ASA
Industry
Eligibility
40 Years to 80 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Menlo Park, California • San Francisco, California
Conditions
Postmenopausal Female Patients, Vasomotor Symptoms, Menopausal Hormone Therapy
Interventions
Moderate Intensity Exercise (MIE), High intensity exercise (HIE), Control (No exercise)
Other
Lead sponsor
University of Virginia
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Prosthetic-joint Infection
Interventions
Culturelle Digestive Daily Probiotic Capsule
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 90 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Terminated Not applicable Interventional Accepts healthy volunteers

Nutritional Supplementation in the Elderly With Weight Loss

NCT04350762
Conditions
Sarcopenia
Interventions
Protein shake + Fish Oil
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
65 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Post-acute Multicomponent Frailty Intervention

NCT05906446
Conditions
Frailty
Interventions
Multicomponent (Exercise + Protein Supplementation)
Other
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
65 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Diabetic Neuropathies
Interventions
Vitamin C, Placebo
Dietary Supplement
Lead sponsor
Washington State University
Other
Eligibility
50 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Spokane, Washington
Conditions
Infertility
Interventions
Progesterone-IBSA Injectable Solution, Progesterone Vaginal Gel with Applicator, Placebo Vaginal gel with applicator, Placebo injectable solution
Drug
Lead sponsor
IBSA Institut Biochimique SA
Industry
Eligibility
35 Years to 42 Years · Female only
Enrollment
688 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
24
States / cities
Tempe, Arizona • Encino, California • Los Angeles, California + 20 more
Conditions
Post Deployment Related Asthma, Asthma
Interventions
L-citrulline, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Denver, Colorado
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Potassium Bicarbonate Supplementation on Bone and Muscle in Older Adults

NCT00357214
Conditions
Osteoporosis, Sarcopenia
Interventions
Potassium Bicarbonate, Sodium Bicarbonate, Potassium Chloride, placebo (microcrystalline cellulose)
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Blood Pressure in Blacks and Calcium (BBC) and Vitamin D Study

NCT03070483
Conditions
Hypertension, Vitamin D Deficiency
Interventions
Cholecalciferol
Drug
Lead sponsor
Loyola University
Other
Eligibility
25 Years to 45 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Maywood, Illinois
Conditions
Postoperative Hemorrhage
Interventions
Antithrombin (Recombinant), Placebo
Drug · Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
4 Days to 30 Days
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Arginase I Deficiency, Hyperargininemia
Interventions
Pegzilarginase, Placebo
Drug
Lead sponsor
Immedica Pharma AB
Industry
Eligibility
2 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
17
States / cities
Rogers, Arkansas • Orange, California • Stanford, California + 14 more
Conditions
Preterm Birth
Interventions
17 alpha-Hydroxyprogesterone Caproate and Omega-3 supplement, 17 alpha-hydroxy progesterone caproate and Placebo supplement
Drug
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
12
States / cities
Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 9 more
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

A Study to Assess the Impact of a Nutritional Supplement on Wellbeing and Nutrient Absorption

NCT06749808
Conditions
Nutrition Status
Interventions
Carotenoid Nutritional Supplement, Placebo
Dietary Supplement
Lead sponsor
Pharmanex
Industry
Eligibility
20 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Provo, Utah
Conditions
Major Depression, Bipolar Disorder, Unipolar Depression
Interventions
triiodothyronine, sertraline
Drug
Lead sponsor
Hadassah Medical Organization
Other
Eligibility
18 Years to 70 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Princeton, New Jersey
Conditions
Relapsed Peripheral T-Cell Lymphoma, Refractory Peripheral T-Cell Lymphoma
Interventions
Alisertib, Pralatrexate, Gemcitabine, Romidepsin
Drug
Lead sponsor
Millennium Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
271 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
24
States / cities
Birmingham, Alabama • La Jolla, California • Orlando, Florida + 21 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Iron Depletion and Replacement in Blood Donors

NCT01752413
Conditions
Anemia
Interventions
Ferrous gluconate 325mg, Nutrition counseling
Dietary Supplement · Behavioral
Lead sponsor
Memorial Blood Centers, Minnesota
Other
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Saint Paul, Minnesota
Conditions
PGM3
Interventions
N-Acetylglucosamine (GlcNAc), Uridine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Effects of NAD3 Supplementation on Biomarkers of Aging

NCT04276948
Conditions
Aging
Interventions
NAD3
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
40 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Canfield, Ohio
Conditions
Extreme Immaturity
Interventions
Sodium chloride, Placebo
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Days to 8 Days
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cincinnati, Ohio
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
Conditions
Head and Neck Cancer
Interventions
behavior
Behavioral
Lead sponsor
Edward Hines Jr. VA Hospital
Federal
Eligibility
30 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
2
States / cities
Hines, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Nutrigenomics of Zinc Supplementation in Insulin Secretion and Diabetes

NCT00981448
Conditions
Diabetes
Interventions
Zinc acetate
Dietary Supplement
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
21 Years to 70 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Lancaster, Pennsylvania