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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Conditions
Diet Therapy
Interventions
Western Diet, CLEAN-MED
Other
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 60 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Obesity, Cardiovascular Diseases, Heart Diseases
Interventions
Diet, Physical Activity
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Enrollment
899 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Diet Modification, Lung Cancer
Interventions
Special Diet Therapy (low-carb), Special Diet Therapy (low-fat), Special Diet Therapy (USDA control)
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Cardiovascular Diseases
Interventions
Healthy Heart Score
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dublin, Ohio
Conditions
Prostate Cancer
Interventions
Whole-food, Plant-Based Diet, General Nutritional Counseling
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 99 Years · Male only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Baltimore, Maryland • New York, New York
Conditions
Alzheimer Disease
Interventions
Lifestyle medicine
Behavioral
Lead sponsor
Preventive Medicine Research Institute
Other
Eligibility
45 Years to 90 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
4
States / cities
San Diego, California • Sausalito, California • Boston, Massachusetts + 1 more
Completed Not applicable Interventional Accepts healthy volunteers

Fruit and Vegetable Biomarker Discovery

NCT05621863
Conditions
Biomarkers
Interventions
Aim 1 Meal Challenge 1, Aim 1 Meal Challenge 2, Aim 1 Meal Challenge 3, Aim 2 Typical American Diet, Aim 2 Typical American Diet Plus Test Foods, Aim 2 Dietary Guidelines for Americans Diet Plus Test Foods
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Davis, California
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Fasting Mimicking Diet

NCT04150159
Conditions
Coronary Artery Disease
Interventions
FMD Arm
Dietary Supplement
Lead sponsor
Hypertension Institute, Nashville
Other
Eligibility
35 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
β-cryptoxanthin Bioavailability From Biofortified Maize in Humans
Interventions
Whole grain high-BCX maize, Refined grain high-BCX maize, Whole grain white maize
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
20 Years to 28 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Obesity, Childhood
Interventions
Baby-Feed, Limited access to the Baby-Feed web application
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
1 Month to 3 Months
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Miami, Florida
Completed Not applicable Interventional Accepts healthy volunteers Results available

Promoting Gastrointestinal Health and Reducing Subclinical Inflammation in Obese Individuals

NCT02602496
Conditions
Obesity, Overweight
Interventions
Fruits and Vegetables, Whole Grain, Control
Other
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
Diabetes, Prediabetes
Interventions
Whole grain rice, Refined grain rice
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Conditions
Digestive Health and Immune Function
Interventions
Whole grains, Refined grains
Other
Lead sponsor
Tufts University
Other
Eligibility
40 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Metabolomics-Driven Insights Into Ultra-Processed Foods

NCT07717970
Conditions
Diet, Food and Nutrition
Interventions
UPF Test Diet A: Starchy, refined grains, UPF Test Diet B: Meat, fish, and bread products, UPF Diet C: Dairy products, including cheese and cream
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
20 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Wholegrain Diet on Body Composition and Energy Balance

NCT01411540
Conditions
Overweight, Obesity, Pre-diabetic
Interventions
Whole grains
Dietary Supplement
Lead sponsor
The Cleveland Clinic
Other
Eligibility
20 Years to 50 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Diet Modification
Interventions
Controlled healthy vegetarian diet, Controlled beef diet
Other
Lead sponsor
Purdue University
Other
Eligibility
30 Years to 69 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
Metabolic Syndrome, Insulin Resistance
Interventions
Whole grain diet, Refined grain
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
35 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
University Park, Pennsylvania
Conditions
Colon Adenocarcinoma, Colorectal Carcinoma, Rectal Adenocarcinoma
Interventions
Dietary intervention via Text Messaging, Survey Administration, Nutrition Education
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
San Francisco, California
Conditions
Chronic Kidney Disease Stage 3B, Chronic Kidney Disease, Stage 4, Proteinuria
Interventions
whole food, plant-based diet
Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, New York
Not listed Not applicable Interventional Accepts healthy volunteers

Personalized GI Motility Responses to Diet

NCT06386471
Conditions
Nutritional and Metabolic Diseases, Gastrointestinal Dysfunction, Cardiovascular Diseases, Dysbiosis
Interventions
Whole grain rye bread, Refined grain rye bread
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
21 Years to 63 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Urbana, Illinois
Recruiting Not applicable Interventional

Healthy Lifestyles for Bipolar Disorder

NCT06188754
Conditions
Time Restricted Eating, Diet, Mediterranean
Interventions
Time restricted eating, Mediterranean diet
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Berkeley, California
Completed Not applicable Interventional Accepts healthy volunteers

Analysis of MicroBial Metabolites After Eating Refined Food

NCT04308473
Conditions
Dietary Habits
Interventions
Ultra-processed Food Meal, Whole Food Meal
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Sleep Deprivation, Nutritional Intervention
Interventions
Ketogenic Intervention, Mediterranean Intervention, Placebo, Ketone Ester
Other · Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

The Metabolic Effects of Different Weight Loss Diets

NCT00422630
Conditions
Metabolic Syndrome X, Obesity, Insulin Resistance, Hypertension, Diabetes
Interventions
The DASH diet, The low glycemic Index Diet, Reduced calorie American Diet
Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York