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ClinicalTrials.gov public records Last synced Oct 30, 2026, 12:26 AM EDT

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Showing 1–24 of 529 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: low fat diet Clear all
Completed Not applicable Interventional

DAILY: Vitamin D, Aspirin, ExercIse, Low Saturated Fat Foods StudY in Colorectal Cancer Patients With Minimal Residual Disease

NCT05036109
View directory record Official record
Conditions
Colorectal Cancer, Colon Cancer
Interventions
Aspirin, Vitamin D, Diet, Physical Activity, Behavioral Support Counseling Sessions
Drug · Dietary Supplement · Other + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 30, 2026, 12:26 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Project 1: Diet and Exercise Modulate the Sperm Epigenome in Men

NCT04175678
View directory record Official record
Conditions
Healthy Lifestyle, Obese, Men
Interventions
Diet, Exercise, Standard care
Other
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 30, 2026, 12:26 AM EDT
Completed No phase listed Observational

Evaluation of Lipoproteins

NCT00001168
View directory record Official record
Conditions
Evaluation of Plasma Lipoproteins
Interventions
Balanced diet
Behavioral
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 99 Years
Enrollment
1,017 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1979
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional

Prader-Willi Syndrome Macronutrient Study

NCT02011360
View directory record Official record
Conditions
Prader Willi Syndrome, Syndromic Obesity, Childhood Obesity
Interventions
Low Carbohydrate diet, Low Fat diet
Other
Lead sponsor
Duke University
Other
Eligibility
5 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 14, 2016 · Synced Oct 30, 2026, 12:26 AM EDT
Terminated Phase 1 Interventional

Decreasing Dosing Regimens of Abiraterone 500 mg in Men With Prostate Cancer to Find Lowest Recommended Dose.

NCT05276492
View directory record Official record
Conditions
Prostate Cancer, Prostate Adenocarcinoma, Prostate Neoplasm, Prostate Cancer Metastatic
Interventions
Abiraterone Oral Tablet, Prednisone tablet, Drug Dairy/Log, Low-fat meal
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 3, 2025 · Synced Oct 30, 2026, 12:26 AM EDT
Not listed Phase 2 Interventional

Ketogenic Diet Treatment of Obesity With Co-morbid Type 2 Diabetes Mellitus and/or Obstructive Sleep Apnea

NCT02069197
View directory record Official record
Conditions
Obesity, Diabetes, Obstructive Sleep Apnea
Interventions
Ketogenic diet, Orlistat, Standardized diet
Other · Drug
Lead sponsor
Mid-Atlantic Epilepsy and Sleep Center, LLC
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 17, 2018 · Synced Oct 30, 2026, 12:26 AM EDT
Recruiting Not applicable Interventional

Plant-Based Online Weight Loss Through Education and Resources Program and Study

NCT07095543
View directory record Official record
Conditions
Type 2 Diabetes, Overweight and Obese Adults
Interventions
Low-fat, vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional

Effect of Changing Diet on Fasting and Post Fat Load Lipoproteins

NCT00593424
View directory record Official record
Conditions
Hypertriglyceridemia, Diabetes Mellitus
Interventions
Low Fat/High Carbohydrate, High Monounsaturated Fat/Low Carbohydrate
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2011 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional Results available

High- Fiber/ Low-fat Diet for Prevention of Recurrent Clostridioides Difficile Infection in Oncology

NCT04940468
View directory record Official record
Conditions
Leukemia, Lymphocytic, Acute, Leukemia, Myeloid, Acute, Lymphoma, Clostridium Difficile Infection, Solid Cancers
Interventions
Diet Intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Phase 3 Interventional

Polyp Prevention Trial

NCT00339625
View directory record Official record
Conditions
Diet, Polyps, Adenoma
Interventions
low fat, high fiber, high fruit and vegetable eating plan
Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
35 Years to 99 Years
Enrollment
2,079 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 15, 2020 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Promotora-Led Intervention for Metabolic and Mental Health

NCT03372018
View directory record Official record
Conditions
PreDiabetes, Obesity, Metabolic Disease, Body Weight Changes, Diabetes Mellitus
Interventions
Promotora-led Intervention (PLI), Usual care (UC)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Food on the Oral Bioavailability of Relacorilant in Healthy Subjects

NCT06094738
View directory record Official record
Conditions
Healthy
Interventions
Relacorilant under fasted conditions, Relacorilant after a high-fat meal, Relacorilant after a low-fat meal
Drug
Lead sponsor
Corcept Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional

Understanding the Paradoxical Rise in Blood Glucose in the Context of a Low-carbohydrate Diet

NCT07713316
View directory record Official record
Conditions
Elevated Blood Glucose, Low-carbohydrate Diet
Interventions
Carbohydrate Drink, Fat Drink, Protein Drink
Dietary Supplement
Lead sponsor
Brigham Young University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 30, 2026, 12:26 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Flavonoid Foods on Carbonyl Stress

NCT07767149
View directory record Official record
Conditions
Human Health, Flavonoids, Carbonyl Stress
Interventions
High-Flavonoid Diet, Low-Flavonoid Diet
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Saturated Fat Versus Monounsaturated Fat and Insulin Action

NCT01612234
View directory record Official record
Conditions
Obesity
Interventions
High palmitate or high oleate diet.
Dietary Supplement
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 40 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional Results available

Optimizing Individual Nutrition in Preterm Very Low Birth Weight Infants

NCT02372136
View directory record Official record
Conditions
Infant, Premature, Diseases, Infant, Small for Gestational Age
Interventions
Individualized Nutrition, Optimized nutrition
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Up to 7 Days
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional

A Low-Carbohydrate Diabetes Prevention Program

NCT03258918
View directory record Official record
Conditions
PreDiabetes
Interventions
Low-Carbohydrate Diabetes Prevention Program
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Saturated Fat on Large Low-density Lipoprotein (LDL) and High-density Lipoprotein (HDL)

NCT00895141
View directory record Official record
Conditions
Dyslipidemia
Interventions
Saturated Fat Diet
Dietary Supplement
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 70 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Understand the Effect of Tablet Formulation and Food on PF-06821497 in Healthy Adult Participants.

NCT05767905
View directory record Official record
Conditions
Healthy
Interventions
PF-06821497 Treatment A, PF-06821497 Treatment B, PF-06821497 Treatment C, PF-06821497 Treatment D, PF-06821497 Treatment E, PF-06821497 Treatment F
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional

Low Carbohydrate/High Protein Diet to Improve Metabolic Health

NCT03207841
View directory record Official record
Conditions
Spinal Cord, Metabolic Syndrome, Diabetes
Interventions
LC/HP
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Oct 30, 2026, 12:26 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

High Fat - High Protein Diet in the Treatment of Obesity

NCT00299273
View directory record Official record
Conditions
Obesity
Interventions
Low calorie high fat/protein diet
Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
25 Years to 50 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 30, 2026, 12:26 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Complex Effects of Dietary Manipulation on Metabolic Function, Inflammation and Health

NCT02706262
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Metabolically abnormal obese - Mediterranean diet, Metabolically abnormal obese - Low carbohydrate ketogenic diet, Metabolically abnormal obese - Plant-based, very-low-fat diet, Annual Follow-up Visits
Other · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 30, 2026, 12:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Implementation of a Mediterranean Diet Program for Overweight or Obese Pregnant Women in a Low-resource Clinical Setting

NCT05868954
View directory record Official record
Conditions
Gestational Weight Gain, Diet, Healthy
Interventions
MedDiet Program, ACOG-based Dietary Program
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 30, 2026, 12:26 AM EDT
Active, not recruiting Not applicable Interventional

Low-Fat Diet and Fish Oil in Men on Active Surveillance for Prostate Cancer

NCT02176902
View directory record Official record
Conditions
Adenocarcinoma of the Prostate, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer
Interventions
behavioral dietary intervention, omega-3 fatty acid, laboratory biomarker analysis
Behavioral · Dietary Supplement · Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
50 Years to 80 Years · Male only
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Oct 30, 2026, 12:26 AM EDT