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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dietary Fat Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Full-fat Yogurt and Glucose Tolerance

NCT03577119
View directory record Official record
Conditions
Pre-Diabetes
Interventions
Full-fat yogurt, Non-fat yogurt
Dietary Supplement
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
45 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determining Dietary Pattern Accompanying Egg Intake Using Remote Food Photography Method

NCT03404700
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Insulin Resistance
Interventions
Egg breakfast, Egg breakfast with high saturated fat, Cereal breakfast, Cereal breakfast with high saturated fat
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2019 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lean and Obese: Dietary Inflammation

NCT05327868
View directory record Official record
Conditions
Obesity, Inflammation, Dietary Fat
Interventions
Low Fat Diet (LFD), High Fat Diet (HFD)
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
50 Years to 79 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional

Study to Evaluate the Effect of a Very Low Carbohydrate Diet on Gastroesophageal Reflux Disease

NCT00998244
View directory record Official record
Conditions
Gastroesophageal Reflux Disease, Overweight, Acid Reflux Disease
Interventions
Diet - very low carb or low fat
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 8, 2012 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Fat, Eicosanoids and Breast Cancer Risk

NCT01824498
View directory record Official record
Conditions
Breast Cancer
Interventions
Low Fat diet, Low Fat high n3 diet, High Fat Diet
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
40 Years to 70 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional

Low-Fat Fish Oil Diet for Prostate Cancer Prevention

NCT00798876
View directory record Official record
Conditions
Prostate Cancer
Interventions
Fish Oil, Vitamin E supplement, Western Diet, Low-Fat Diet, Medical Examination, Dietary Interview, Blood Draw, Radical Prostatectomy
Dietary Supplement · Other · Procedure
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2018
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 6, 2019 · Synced Jul 23, 2026, 5:01 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Dietary Cholesterol and Adipose Tissue Inflammation

NCT03729141
View directory record Official record
Conditions
Cholesterol
Interventions
Added Cholesterol, No Added Cholesterol
Dietary Supplement · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 3, 2019 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increased Dietary Protein and Meal Frequency Reduces Total and Abdominal Body Fat During Weight Maintenance and Weight Loss

NCT01749449
View directory record Official record
Conditions
Obesity
Interventions
protein and meal frequency
Other
Lead sponsor
Skidmore College
Other
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Dec 12, 2012 · Synced Jul 23, 2026, 5:01 PM EDT
Not yet recruiting Not applicable Interventional

Effects of Whole Fruit on Blood Sugar in People With Type 2 Diabetes

NCT07376226
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Whole Fruit
Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Mediterranean Full-Fat Dairy Study

NCT02781675
View directory record Official record
Conditions
Cardiovascular Disease, Dyslipidemia, Inflammation
Interventions
Dietary Intervention
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2019 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycemic Load, Metabolism & Obesity in Pregnancy

NCT01287299
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Low Glycemic Load diet, Low Fat Diet
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Ketogenic Diet on Glucose Metabolism and Energy Expenditure in Type 2 Diabetes

NCT04791787
View directory record Official record
Conditions
Glucose Metabolism Disorders (Including Diabetes Mellitus), Energy Supply; Deficiency, Type 2 Diabetes
Interventions
Standard weight maintaining diet, Weight maintaining isocaloric ketogenic diet, Beta-hydroxy butyrate
Other · Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2024 · Synced Jul 23, 2026, 5:01 PM EDT
Not yet recruiting Not applicable Interventional

Olive Oil Supplementation for Heart Failure With Reduced Ejection Fraction

NCT07644806
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction (HFrEF)
Interventions
Extra-virgin olive oil
Other
Lead sponsor
Old Dominion University
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Standing Behavior After Installation of Height-Adjustable Desks

NCT01787643
View directory record Official record
Conditions
Office Workers, Sitting Occupations
Interventions
Height-Adjustable Desk Intallation in Office
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Jul 23, 2026, 5:01 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Low Fat Diet for Fatigue in MS

NCT03322982
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Low-fat diet
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 70 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 28, 2021 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss

NCT03515889
View directory record Official record
Conditions
Weight Loss
Interventions
Ideal Protein Weight Loss Method, Standard Weight Loss
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
22 Years to 79 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bogalusa, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Jul 23, 2026, 5:01 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Nutritional and Neurotransmitter Changes in PKU Subjects on BH4

NCT00688844
View directory record Official record
Conditions
Phenylketonuria
Interventions
KuvanTM Therapy
Drug
Lead sponsor
Emory University
Other
Eligibility
4 Years and older
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Atlanta, Georgia • Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 7, 2015 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional

A Nutrition Intervention for Arthritis -2

NCT01700881
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Plant-based diet, Supplement
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Protein From Complementary Foods on Infant Growth, Body Composition and Gut Health

NCT02142647
View directory record Official record
Conditions
Infant Growth, Infant Body Fat, Infant Gut Microbiome
Interventions
a high-protein complementary diet with meat, a high-protein complementary diet with dairy
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 5 Months
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Jul 23, 2026, 5:01 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Physical Activity and Dietary Behaviors of Adults 18 to 80 Years of Age

NCT00641849
View directory record Official record
Conditions
Physical Activity
Interventions
Group A, Group B
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Flagstaff, Arizona • Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 3, 2016 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lipoprotein Effects of Substituting Beef Protein for Carbohydrate

NCT00852267
View directory record Official record
Conditions
Healthy, Cardiovascular Disease, Atherogenic Dyslipidemia
Interventions
High Carbohydrate, High Saturated Fat Diet, Low Carbohydrate, High Saturated Fat Diet, Low Carbohydrate, Low Saturated Fat Diet
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years and older · Male only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2020 · Synced Jul 23, 2026, 5:01 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Diet-Induced Changes in GEnetic Material

NCT06252922
View directory record Official record
Conditions
Diet, Healthy, Body Weight, Metabolic Disturbance
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
20 Years to 35 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Effects of the Atkins Diet Versus a Low Fat Diet on Inflammation

NCT00993278
View directory record Official record
Conditions
Cardiovascular Health, Obesity
Interventions
Low-Carbohydrate (Modified Atkins) Diet, Low-Fat (Heart Healthy) Diet
Dietary Supplement
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 13, 2015 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of High Fruit, Vegetable, and Dairy Intake on Plasma Lipids and Blood Pressure in Healthy Individuals

NCT01404897
View directory record Official record
Conditions
Cardiovascular Disease, Dyslipidemia, Blood Pressure
Interventions
Dietary Intervention
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
22 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Jul 23, 2026, 5:01 PM EDT