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ClinicalTrials.gov public records Last synced Sep 27, 2026, 3:30 PM EDT

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Showing 1–24 of 749 matching trials from the live ClinicalTrials.gov search.
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Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Ketogenic diet
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Cystic Fibrosis (CF), Cystic Fibrosis Gastrointestinal Disease
Interventions
Mediterranean diet
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
3 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Lebanon, New Hampshire • Manchester, New Hampshire
Conditions
Melanoma
Interventions
Dietary Intervention, Questionnaire Administration
Dietary Supplement · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Age and Weight Loss on Inflammation and Iron Homeostasis

NCT01636635
Conditions
Obesity, Aging
Interventions
Calorie Restriction
Other
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, 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
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass (RYGB), Caloric Restriction, Exendin-9,39, Normal Saline
Procedure · Behavioral · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Postprandial Nutrient Homeostasis Before and After Weight Loss Induced by Low-calorie Diet or RYGB

NCT03091725
Conditions
Obesity
Interventions
Roux-en-Y gastric bypass surgery, Low-calorie diet
Procedure · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
25 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Brain Tumors
Interventions
Ketogenic Diet
Other
Lead sponsor
Nicklaus Children's Hospital f/k/a Miami Children's Hospital
Other
Eligibility
12 Months to 35 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Miami, Florida
Conditions
Impact of Dietary Chages Directed by Medical Nutrition Therapy on Gut Microbiome Composition
Interventions
Nutrition Counseling
Behavioral
Lead sponsor
Persephone Biosciences
Industry
Eligibility
18 Years to 64 Years
Enrollment
546 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Diego, California
Conditions
Cognitive Decline
Interventions
Souvenaid, Placebo
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
55 Years to 89 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Miami, Florida
Conditions
Heart Failure
Interventions
Dietary Approaches to Stop Hypertension Diet
Other
Lead sponsor
University of Georgia
Other
Eligibility
65 Years to 110 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
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
Fatty Liver, Insulin Resistance
Interventions
Low-fat diet, Traditional diet
Other
Lead sponsor
Yale University
Other
Eligibility
10 Years to 21 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Withdrawn No phase listed Observational

Review of Enteral Formulas in Children

NCT04247269
Conditions
Enteral Feeding Intolerance, Tube Feeding, Nutrition Disorder, Child
Interventions
Enteral Tube Feeding
Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
1 Year to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Efficacy of Diet on Quality of Life in Multiple Sclerosis

NCT05007483
Conditions
Multiple Sclerosis, Relapsing-Remitting
Interventions
BodyBio Balance Oil, Kirunal Fish Oil, BodyBio PC, Modified Paleolithic Elimination diet, Time Restricted Olive Oil Based (TROO) Ketogenic Diet, Usual diet with Dietary Guidelines for Americans Diet information
Dietary Supplement · Behavioral
Lead sponsor
Terry L. Wahls
Other
Eligibility
18 Years to 70 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Head and Neck Cancer, Pharyngeal Cancer, Laryngeal Cancer
Interventions
Nutrition Counseling, Resistance Training
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 90 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Liver Diseases, End Stage Liver Disease, Frailty
Interventions
Nokia GO Wearable StepTracker, Medication Reminder, Weekly Check-in appointment with study team or provider
Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 95 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed No phase listed Observational

International Nutrition Survey 2018

NCT03442946
Conditions
Cardiovascular Surgery
Interventions
Not listed
Lead sponsor
RWTH Aachen University
Other
Eligibility
18 Years and older
Enrollment
280 participants
Timeline
2018 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Multiple Myeloma
Interventions
Lenalidomide, Daratumumab, Questionnaires, Dietary Intervention
Drug · Behavioral · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Meat Protein and Calcium: Do They Interact Synergistically or Antagonistically?

NCT00700804
Conditions
Dietary Proteins
Interventions
High Protein Diet, Low Protein Diet
Behavioral
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
50 Years to 80 Years · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Grand Forks, North Dakota
Conditions
Type 2 Diabetes Mellitus
Interventions
Sleeve Gastrectomy and Ileal transposition, dietary and medical management
Procedure · Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
21 Years to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Bellaire, Texas
Conditions
Traumatic Brain Injury, Ketogenic Dieting
Interventions
Ketogenic diet
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Sickle Cell, Sickle Cell Disease, Sickle Cell Disease Without Crisis, Mediterranean Diet
Interventions
Mediterranean Diet, Usual Diet
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Active, not recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Effect of Nutritional Ketosis on Alcohol Metabolism

NCT06065657
Conditions
Ketoses, Metabolic, Ketogenic Dieting, Alcohol Intoxication, Magnetic Resonance Imaging, Alcohol Drinking
Interventions
Ketone Supplement, Control Diet, Ketogenic diet, Ethanol
Dietary Supplement · Other · Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania