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ClinicalTrials.gov public records Last synced Oct 20, 2026, 4:00 PM EDT

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Showing 1–24 of 346 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: High-fat diet Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption

NCT01508845
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
cholecalciferol
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Oct 20, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional

Metabolic Impact and Compliance of Controlled, Varying, Mediterranean Diets in Pre-Surgical Prostate Cancer Populations (PROVISIONS)

NCT06487507
View directory record Official record
Conditions
Prostate Cancer
Interventions
Low fat diet, Lower carbohydrate diet
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 80 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional

Effects of Almonds on Insulin Sensitivity in Prediabetes

NCT03126981
View directory record Official record
Conditions
PreDiabetes
Interventions
1.5 oz of whole, natural almonds, Low-fat, high refined starches/sugars
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 69 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Boca Raton, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Oct 20, 2026, 4:00 PM EDT
Terminated Phase 2 Interventional Results available

Testosterone Plus Finasteride Treatment After Spinal Cord Injury

NCT02248701
View directory record Official record
Conditions
Spinal Cord Injury, Spinal Cord Injuries, Trauma, Nervous System, Wounds and Injuries, Central Nervous System Diseases, Nervous System Diseases, Spinal Cord Diseases, Gonadal Disorders, Endocrine System Diseases, Hypogonadism, Genital Diseases, Male
Interventions
Testosterone Enanthate, Finasteride, Placebo injection, Placebo pill
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Gainesville, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 29, 2023 · Synced Oct 20, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Food and Circadian Timing

NCT04743271
View directory record Official record
Conditions
Diet, High-Fat, Circadian Rhythm
Interventions
High-Fat Diet, Low-Fat Diet
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Obesity Risk in African American Women is Determined by a Diet-by-phenotype Interaction

NCT03499509
View directory record Official record
Conditions
Diet Modification
Interventions
Low Glycemic Diet, High Glycemic Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 65 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 18, 2025 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Phase 2 Interventional

Examining the Effects of Diet on Health With an Online Program

NCT01967992
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Behavioral: Low Carbohydrate, Ketogenic Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Phase 2 Interventional

A Pilot Study of the Effects of Diet and Behavioral Interventions on Health in Diabetics

NCT01713764
View directory record Official record
Conditions
Diabetes Type II
Interventions
Low Carbohydrate Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 30, 2013 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cancer Dietary Objectives Study

NCT00561977
View directory record Official record
Conditions
Cancer, Heart Disease
Interventions
High Fiber Diet, low saturated fat diet, Combination diet
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 2, 2011 · Synced Oct 20, 2026, 4:00 PM EDT
Completed No phase listed Observational

Women's Healthy Eating and Living Study

NCT00003787
View directory record Official record
Conditions
Breast Cancer
Interventions
educational/counseling intervention, therapeutic dietary intervention
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
3,088 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2018
U.S. locations
7
States / cities
Tucson, Arizona • La Jolla, California • Oakland, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2019 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Serum Markers for Cardiovascular Risk in Obese Youth and Impact of Lifestyle and Medication Intervention

NCT00139477
View directory record Official record
Conditions
Obesity
Interventions
Metformin, Dietary modification with caloric restriction, Establishment of exercise protocol
Drug · Behavioral
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
7 Years to 18 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2011
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Fructose on Blood Fats in Dialysis Patients and Healthy Volunteers

NCT00234156
View directory record Official record
Conditions
End-stage Renal Disease
Interventions
oral fructose and high fat diet
Procedure
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2012 · Synced Oct 20, 2026, 4:00 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 2, 2019 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a PUFA-rich Diet on Acute Metabolic and Inflammatory High-Fat Meal Responses

NCT02246933
View directory record Official record
Conditions
Inflammation, Obesity
Interventions
PUFA Diet, Control Diet
Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 35 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Starch Insulin Sensitivity Trial

NCT01027325
View directory record Official record
Conditions
Healthy, Cardiovascular Disease, Atherogenic Dyslipidemia, Insulin Resistance
Interventions
Dietary Intervention
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
20 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
2
States / cities
Berkeley, California • Oakland, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Oxalate and Innate Immunity in Kidney Stone Disease

NCT04051346
View directory record Official record
Conditions
Kidney Stone
Interventions
Low Oxalate Diet, High Oxalate Diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 20, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pathways to Prevention Food-is-Medicine Trial

NCT07380243
View directory record Official record
Conditions
Heart Disease, Cardiovascular Health Status
Interventions
Nutrition Education, PRO-CVH, Healthy Conversation Skills, Medically tailored groceries/cooking classes
Behavioral
Lead sponsor
Amrik Singh Khalsa
Other
Eligibility
6 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional Results available

Effects of the Dietary Approaches to Stop Hypertension(DASH) Sodium-restricted Diet in Diastolic Heart Failure

NCT00939640
View directory record Official record
Conditions
Diastolic Heart Failure, Hypertensive Heart Disease
Interventions
DASH/sodium-restricted diet (SRD)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 20, 2026, 4:00 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Effects of Red Beetroot Juice on High-Fat Meal-Induced Endothelial Dysfunction and Cardiometabolic Disturbances

NCT02949115
View directory record Official record
Conditions
Overweight, Obesity, Aging, Menopause
Interventions
70 mL red beetroot juice, 70 mL red beetroot juice without nitrate, 70 mL placebo drink plus potassium nitrate, 70 mL placebo drink
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
40 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Oct 20, 2026, 4:00 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 26, 2015 · Synced Oct 20, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional

Metabolic Impact of Prospective Controlled Mediterranean Type Diets on Prostate Cancer

NCT05590624
View directory record Official record
Conditions
Prostate Cancer
Interventions
Lower-Carbohydrate Med-t-Diet, Low-Fat Med-t-Diet
Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increased Protein at Breakfast for Weight Management in Overweight Adolescents

NCT03146442
View directory record Official record
Conditions
Obesity, Adolescent
Interventions
Breakfast
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
13 Years to 21 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced Oct 20, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Gut Kidney Axis in Enteric Hyperoxaluria

NCT05124886
View directory record Official record
Conditions
Enteric Hyperoxaluria
Interventions
Moderately High Oxalate (MOx) Diet
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 20, 2026, 4:00 PM EDT
Completed Not applicable Interventional

Effects of a High Protein Diet on Clinical Outcomes in Heart Failure

NCT01423266
View directory record Official record
Conditions
Heart Failure, Diabetes Mellitus
Interventions
12-week supervised weight loss intervention
Procedure
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated May 23, 2016 · Synced Oct 20, 2026, 4:00 PM EDT