Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 21, 2026, 9:17 AM EDT

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Showing 1–24 of 665 matching trials from the live ClinicalTrials.gov search.
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Conditions
Healthy
Interventions
Dietary Sodium Restriction, Control
Other
Lead sponsor
University of Delaware
Other
Eligibility
21 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Dietary Reversal of the Reprometabolic Syndrome

NCT07227766
Conditions
Obesity & Overweight, Infertility, Female
Interventions
Low-fat diet
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Obesity, Insulin Resistance
Interventions
Weight loss with very low fat plant-based diet and regular exercise
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Diabetes Mellitus, Type 2, Hyperuricemia
Interventions
Low-fructose diet, isocaloric, Allopurinol, Placebo, Low-fructose, hypocaloric
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
40 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Breast Cancer
Interventions
Carbohydrate restricted dietary intervention, standard of care aromatase inhibitors
Other · Drug
Lead sponsor
Monica Mita
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Myocardial Infarction
Interventions
American Heart Association Step 2 diet, Mediterranean diet
Behavioral
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
1
States / cities
Spokane, Washington
Terminated Not applicable Interventional Results available

2-5 Intermittent Caloric Restriction in HIV

NCT03489109
Conditions
Human Immunodeficiency Virus, Metabolic Syndrome
Interventions
Intermittent fasting, Standard of Care
Behavioral · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Knee Osteoarthritis
Interventions
Low-carbohydrate diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
65 Years to 75 Years · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Prediabetes
Interventions
Low carbohydrate diet
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

Ketogenic Diet for Reduction of CNS Oxygen Toxicity in Working Divers

NCT03433261
Conditions
CNS Oxygen Toxicity, Ketogenic Diet
Interventions
Ketogenic Diet
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Personalized Nutrition Study

NCT04145466
Conditions
Weight Loss
Interventions
High-fat diet, High-carbohydrate diet
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 75 Years
Enrollment
145 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Laparoscopic Hysterectomy and/or Laparoscopic Sacrocolpopexy
Interventions
Fleet Enema (sodium biphosphate and sodium phosphate)
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Not applicable Interventional Results available

Health, Aging and Later-Life Outcomes

NCT05424042
Conditions
Aging
Interventions
In-Person Caloric Restriction, Remote Caloric Restriction, Time-restricted
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Type 2 Diabetes Mellitus
Interventions
NES With Energy Restriction, NES Without Energy Restriction
Behavioral
Lead sponsor
Mondelēz International, Inc.
Industry
Eligibility
18 Years to 79 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
2
States / cities
Addison, Illinois • Bloomington, Indiana
Conditions
Prediabetes / Type 2 Diabetes
Interventions
Metformin, GLP-1A, MED
Drug · Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Stanford, California
Conditions
Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage IIA Prostate Cancer AJCC v8, Stage IIB Prostate Cancer AJCC v8, Stage IIC Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8, Stage IIIA Prostate Cancer AJCC v8, Stage IIIB Prostate Cancer AJCC v8, Stage IIIC Prostate Cancer AJCC v8
Interventions
Food Diary, Preventative Dietary Intervention, Questionnaire Administration
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Weight Loss, Metabolic Syndrome, Overweight and Obesity
Interventions
Time Restricted Feeding
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
La Jolla, California
Conditions
Type1diabetes, Low Carbohydrate Diet
Interventions
low carbohydrate diet, standard carbohydrate diet
Other
Lead sponsor
Yale University
Other
Eligibility
12 Years to 21 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Time Restricted Feeding on Daily Protein Requirements

NCT05610644
Conditions
Nutrition Disorders in Old Age
Interventions
isocaloric, isonitrogenous meals
Other
Lead sponsor
University of Arkansas
Other
Eligibility
50 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Nonalcoholic Fatty Liver, Nonalcoholic Steatohepatitis, Obesity
Interventions
Phase II: Lifestyle treatment, Phase II: Control treatment, Phase I: Observational studies
Behavioral · Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
22 Years to 65 Years
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Columbia, Missouri
Completed Not applicable Interventional Accepts healthy volunteers

Ghrelin Regulation and Structure: Effect of Diet Composition on Ghrelin

NCT00694512
Conditions
Obesity
Interventions
Low fat diet, High fat diet, MCT diet
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Obesity, Pulmonary Disease, Dyspnea
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 85 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Plant-based Dietary Intervention for Treatment of Acne

NCT00900939
Conditions
Acne
Interventions
Low-fat, vegan diet, Control
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Type 1 Diabetes, Obesity
Interventions
Time restricted eating, Daily calorie restriction
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chicago, Illinois