Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:00 AM EDT

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Showing 1–24 of 890 matching trials from the live ClinicalTrials.gov search.
Conditions
Diabetes Mellitus, Type 1
Interventions
Ketogenic Diet, Standard Diet
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Prostate Cancer
Interventions
Atkins Diet
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
3
States / cities
Los Angeles, California • Durham, North Carolina
Conditions
Critical Illness
Interventions
Transpyloric feeding tubes (Nasogastric Tube (NG tube), Tiger2, Syncro BlueTube)
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Cardiovascular Diseases, Hypertension, Diet, Healthy
Interventions
Typical American Diet, Plant-Based Diet
Other
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 40 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Arlington, Texas
Conditions
Bariatric Surgery Candidate, Diet Modification
Interventions
Dietary modification with introduction of Mankai
Other
Lead sponsor
Cleveland Clinic Florida
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Weston, Florida
Terminated Not applicable Interventional Accepts healthy volunteers

Ketogenic Dietary Patterns in Young Adults and Kidney Health

NCT05350657
Conditions
Ketogenic Diet, Kidney Injury
Interventions
Ketogenic Diet
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
20 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Acute Respiratory Failure With Hypoxia, Malnutrition
Interventions
Parenteral Nutrition
Drug
Lead sponsor
University of Arizona
Other
Eligibility
1 Month to 16 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Diet Modification, Cardiology
Interventions
whole food, plant based diet
Behavioral
Lead sponsor
Lancaster General Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Conditions
Parkinson Disease, Idiopathic Parkinson Disease
Interventions
N acetyl cysteine, [F-18] Fluorodopa Positron Emission Tomography
Dietary Supplement · Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
30 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Obesity, Maternal, Pre-Eclampsia; Complicating Pregnancy, Gestational Hypertension, Eclampsia; Complicating Pregnancy
Interventions
MFeast ENHANCED, MFeast Usual Care
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Pancreatic Cancer
Interventions
Fitbit Data Collection, Nutrition Counseling, Fact G Survey, General Anxiety Disorder (GAD)-7, Patient Health Questionnaire (PHQ)-9
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Obesity, Overweight, Metabolic Diseases
Interventions
Low Calorie Diet (LCD), Phentermine
Behavioral · Drug
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Ulcerative Colitis
Interventions
High Protein and Low Fiber Diet, Low Protein and High Fiber Diet
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Obesity
Interventions
High Protein, Low Protein
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
13 Years to 19 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Obesity, Type 2 Diabetes, Hyperlipidemia
Interventions
Low Carbohydrate Diet
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Heart Failure, Heart Failure With Preserved Ejection Fraction
Interventions
DASH Diet, Usual diet
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years to 74 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
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
Conditions
Localized Prostate Carcinoma, Prostate Adenocarcinoma
Interventions
Best Practice, Dietary Intervention, Exercise Intervention, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
40 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Twins Nutrition Study (TwiNS): Vegan vs. Omnivore

NCT05297825
Conditions
Lipid Metabolism, Glucose Intolerance, Weight Change, Body, Microbiome, Inflammation, Immune Function
Interventions
Vegan diet, Omnivore diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Stanford, California
Conditions
Estrogen Receptor-positive Breast Cancer
Interventions
2-Week Ketogenic Diet, Letrozole
Dietary Supplement · Drug
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Recruiting Not applicable Interventional Accepts healthy volunteers

Personalized Responses to Dietary Composition Trial 3

NCT04735835
Conditions
Diabetes, Heart Diseases, Diet Habit, Diet Modification, Healthy, Obesity, Metabolism, Microbial Colonization
Interventions
Dietary Intervention
Other
Lead sponsor
Zoe Global Limited
Other
Eligibility
18 Years and older
Enrollment
250,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Needham, Massachusetts
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Does Dapagliflozin Promote Favorable Health Benefits That Are Independent Of Weight Loss?

NCT02520518
Conditions
Weight Loss
Interventions
Dapagliflozin, Placebo, Weight maintenance, Ad libitum dietary intake, Dietary restriction
Drug · Behavioral
Lead sponsor
Christopher Bell
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Fort Collins, Colorado
Conditions
Pancreatic Cancer, Colo-rectal Cancer, Gastric Cancer, Esophageal Cancer, Bladder Cancer, Ovarian Cancer, Abdominal Surgery Complications
Interventions
Multidisciplinary Prehabilitation Program
Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Obesity, Ketogenic Dieting, Metabolic Syndrome, Bipolar Disorder, Schizophrenia, Weight Gain, Psychotropic Agents Causing Adverse Effects in Therapeutic Use, Brain Metabolic Disorder
Interventions
LCHF, Ketogenic Diet
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Stanford, California