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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin D Intervention and Associated Changes in the Gut Microbiome and Vitamin D Levels in Healthy Adults

NCT05387876
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Vitamin D intervention, Placebo intervention
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 79 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated May 23, 2022 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Methods Project 4: Clinical Trial - Amended

NCT03111537
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Cigarettes, E-Cigarette, Nicotine Gum or Lozenge
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
3
States / cities
Minneapolis, Minnesota • Buffalo, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 3, 2026, 8:06 AM EDT
Not listed Not applicable Interventional

Dietary Sodium-Restriction (DIS) and Renal Meals (RM) for Hemodialysis (HD)(DISaRM-HD)

NCT04991441
View directory record Official record
Conditions
Kidney Failure, Chronic, Dietary Modification
Interventions
Controlled Dietary Sodium Restriction, Control Diet & Controlled Dietary Sodium Restriction
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Train Your Brain - Executive Function

NCT05938894
View directory record Official record
Conditions
Overweight and Obesity
Interventions
online games with various food images, online games with images of flowers and songbirds
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 70 Years
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Yoga on Sodium-induced Pressor Responses in African American Adults

NCT05353270
View directory record Official record
Conditions
Blood Pressure
Interventions
Yoga, Waitlist control
Behavioral
Lead sponsor
Texas State University
Other
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Marcos, Texas
Source: ClinicalTrials.gov public record
Updated Apr 9, 2024 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Butter & MCT Oil on Lipoproteins - A RCT

NCT02611102
View directory record Official record
Conditions
Hyperlipidemia
Interventions
MCT oil + Butter in Coffee
Dietary Supplement
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Sep 3, 2026, 8:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Metabolic Syndrome in Childhood Cancer Survivors

NCT00920738
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Leukemia, Lymphoma, Metabolic Syndrome, Sarcoma
Interventions
metabolic assessment, questionnaire administration
Other
Lead sponsor
University of Minnesota
Other
Eligibility
9 Years to 18 Years
Enrollment
512 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional

Virtual Reality-enhanced Exercise and Education in Cardiac Rehabilitation

NCT03945201
View directory record Official record
Conditions
Adherence, Patient, Motivation, Satisfaction
Interventions
Virtual walking trails, Standard of care
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 1, 2019 · Synced Sep 3, 2026, 8:06 AM EDT
Withdrawn Not applicable Interventional

Tissue Sodium in Autoimmune Disease

NCT02525835
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Low Dietary Sodium, High Dietary Sodium
Dietary Supplement
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Phase 2 Interventional

Carbohydrate Restricted Diet Intervention for Men on Prostate Cancer Active Surveillance

NCT03679260
View directory record Official record
Conditions
Prostate Cancer
Interventions
Carbohydrate restricted diet, Non-restricted diet, Phone counseling with dietitian
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Vegetable Intake Using Monosodium Glutamate: A Reduced-Effort Intervention

NCT05591612
View directory record Official record
Conditions
Healthy Nutrition, Culinary Medicine, Sodium Excess
Interventions
Salt replacement seasoning (50% salt and 50% MSG) mix, Salt replacement seasoning (70% salt and 30% MSG) mix, NaCl (sodium chloride/table salt)
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Dairy on Bone Mass and Body Composition in 4th-8th Grade Boys and Girls

NCT00635583
View directory record Official record
Conditions
Healthy
Interventions
Increased Dairy Consumption
Other
Lead sponsor
Purdue University
Other
Eligibility
9 Years to 14 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
2
States / cities
Indianapolis, Indiana • West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Sep 3, 2026, 8:06 AM EDT
Recruiting No phase listed Observational

A Study of Glycemic Control in Left Ventricular Assist

NCT05933161
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Hyperglycemia, Hypoglycemia
Interventions
Freestyle Libre 3 Continuous Glucose Monitor (CGM)
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Phase 2 Interventional

An Open Label Study to Examine the Effects of DAS181 Administered by Dry Powder Inhaler (DPI) or Nebulized Formulation in Immunocompromised Subjects With Parainfluenza (PIV) Infection

NCT01924793
View directory record Official record
Conditions
Parainfluenza
Interventions
DAS181-F02 Dry Powder in Bulk, DAS181-F02 Nebulized Formulation Inhaled Dose
Drug
Lead sponsor
Ansun Biopharma, Inc.
Industry
Eligibility
12 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
23
States / cities
Duarte, California • Orange, California • Palo Alto, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Safety and Efficacy of a Proprietary "Joint Health" Dietary Supplement in Subjects With Joint and Connective Tissue Pain

NCT03209895
View directory record Official record
Conditions
Joint Pain
Interventions
Joint Health Product, Placebo, Glucosamine / Chondroitin
Dietary Supplement
Lead sponsor
U.S. Nutraceuticals, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Sausalito, California
Source: ClinicalTrials.gov public record
Updated Jul 5, 2017 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Weight Loss and Dietary Protein Intake on Bone

NCT00473031
View directory record Official record
Conditions
Weight Loss, Bone Density
Interventions
Caloric restriction, high protein, Caloric restriction; normal protein, Counseling
Behavioral
Lead sponsor
Rutgers University
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Epithelial Healing and Visual Outcomes Using Omega-3 Therapy Before and After Photorefractive Keratectomy (PRK) Surgery

NCT01059019
View directory record Official record
Conditions
Refractive Error
Interventions
Omega-3 Fatty Acid Supplements
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 28 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 20, 2013 · Synced Sep 3, 2026, 8:06 AM EDT
Terminated Not applicable Interventional Results available

A Multilevel Intervention in the Hunger Relief Network to Improve Diet Among Adults Experiencing Food Insecurity

NCT03421106
View directory record Official record
Conditions
Food Selection
Interventions
Intervention Food Pantries, Control Food Pantries
Behavioral · Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 99 Years
Enrollment
504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Sep 3, 2026, 8:06 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of Incorporating Lean Beef Into a Protein-rich Diet During Resistance Training on Muscle and Tendon Strength in Older Women

NCT04347447
View directory record Official record
Conditions
Sarcopenia, Aging
Interventions
Exercise training
Other
Lead sponsor
Purdue University
Other
Eligibility
60 Years to 80 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced Sep 3, 2026, 8:06 AM EDT
Recruiting Not applicable Interventional

The Influence of a Fasting Mimicking Diet on Ulcerative Colitis

NCT03615690
View directory record Official record
Conditions
Inflammatory Bowel Disease, Diet Modification, Ulcerative Colitis
Interventions
Fasting Mimicking Diet, Regular Diet
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Fat Malabsorption in Chronic Pancreatitis

NCT02849704
View directory record Official record
Conditions
Chronic Pancreatitis
Interventions
Creon36™
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
30 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 2, 2019 · Synced Sep 3, 2026, 8:06 AM EDT
Completed No phase listed Observational

Ketogenic Diet and Prostate Cancer Surveillance Pilot

NCT03194516
View directory record Official record
Conditions
Prostate Cancer
Interventions
Surveillance
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2021 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Fluid Milk on Post-meal Glycemia and Insulinemia in Overwt/Obese Adults

NCT01951287
View directory record Official record
Conditions
Blood Glucose, Blood Insulin
Interventions
Acute beverage (water) consumption, Acute beverage (Black Coffee) consumption, Acute beverage (Orange Juice) consumption, Acute beverage (Whole Milk) consumption, Acute beverage (2% Milk) consumption, Acute beverage (Skim Milk) consumption
Other
Lead sponsor
Purdue University
Other
Eligibility
35 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 7, 2016 · Synced Sep 3, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diet Composition and Physical Inactivity on Insulin Sensitivity and β-cell Function

NCT03013764
View directory record Official record
Conditions
Physical Inactivity, Dietary Protein
Interventions
normal protein diet, high protein intake
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 14, 2018 · Synced Sep 3, 2026, 8:06 AM EDT