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Showing 1–24 of 561 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dietary Change Clear all
Completed Not applicable Interventional Results available

Diet and Physical Activity Intervention for the Prevention of ADT-Induced Metabolic Changes in Patients With Prostate Cancer, TRIPLE-A PILOT Study

NCT04870515
View directory record Official record
Conditions
Localized Prostate Carcinoma, Prostate Adenocarcinoma
Interventions
Best Practice, Dietary Intervention, Exercise Intervention, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
40 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Motivational Interviewing for Getting Healthy TodaY Study

NCT03410225
View directory record Official record
Conditions
Pregnancy Related, Diet Modification
Interventions
CAMI-TPP, CAMI-Fitness
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
15 Years to 24 Years · Male only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Sep 3, 2026, 2:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Overfeeding on Obesity-Prone (OP) and Obesity-Resistant (OR) Women

NCT00072917
View directory record Official record
Conditions
Obesity, Thinness, Weight Gain
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
25 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 17, 2010 · Synced Sep 3, 2026, 2:18 PM EDT
Recruiting Not applicable Interventional

Using Continuous Glucose Monitoring to Quantify the Effects of NOURISH's Culturally Modified Meals on Asian Americans With Type 2 Diabetes

NCT06836479
View directory record Official record
Conditions
Type 2 Diabetes Mellitus (T2DM), Type 2 Diabetes
Interventions
NOURISH Diet, Self-Selected Diet (Control)
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 3, 2026, 2:18 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

HealthyTogether: RCT of a Dyadic Weight Management Intervention

NCT06619041
View directory record Official record
Conditions
Obesity, Overweight
Interventions
HealthyTogether
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
2
States / cities
Aurora, Colorado • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Sugary Drinks Counter-marketing Messages

NCT05953194
View directory record Official record
Conditions
Obesity, Weight Prejudice, Weight Gain, Dietary Habits
Interventions
Exposure to counter-marketing messages, Exposure to traditional health messages, Exposure to control (neutral) messages
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
2,184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 3, 2026, 2:18 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Strategies for Improving Remote-based Weight Loss (PATH Trial)

NCT06166225
View directory record Official record
Conditions
Obesity
Interventions
Internet-based weight loss program, Yoga, Health and Wellness
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional

Intensive Diet and Exercise for Improving Knee Osteoarthritis in Obese and Overweight Older Adults

NCT00381290
View directory record Official record
Conditions
Osteoarthritis
Interventions
Diet, Exercise
Behavioral
Lead sponsor
Wake Forest University
Other
Eligibility
55 Years and older
Enrollment
454 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional

High Fat Diet II on Weight Loss

NCT00525850
View directory record Official record
Conditions
Obesity
Interventions
high fat diet, low saturated fat diet
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Aug 1, 2011 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating the SWW Method Dietary Intervention for HbA1c and Weight Management as a Preventative Intervention in Women

NCT07463417
View directory record Official record
Conditions
Metabolic Syndrome, Obesity & Overweight, Blood Glucose Monitoring, Type 2 Diabetes Prevention
Interventions
SWW Method® Dietary and Lifestyle Intervention
Behavioral
Lead sponsor
Sarah Wragge Wellness
Industry
Eligibility
35 Years to 75 Years · Female only
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional

Exercise Versus Diet in the Treatment of Nonalcoholic Fatty Liver Disease

NCT01327443
View directory record Official record
Conditions
Non Alcoholic Fatty Liver Disease
Interventions
Weight loss, Exercise
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 4, 2016 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional

Supermarket and Web-Based Intervention Targeting Nutrition (SuperWIN) for Cardiovascular Risk Reduction

NCT03895580
View directory record Official record
Conditions
Obesity, Hypertension, Hyperlipidemias, Diet Modification
Interventions
In-store POP education, Online POP education
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
21 Years to 75 Years
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise Training and Time-restricted Feeding in Overweight and Obese Adults

NCT03823872
View directory record Official record
Conditions
Overweight and Obesity, Weight Loss
Interventions
Time restricted feeding, Normal feeding
Other
Lead sponsor
Kyle Hackney
Other
Eligibility
35 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Sep 3, 2026, 2:18 PM EDT
Withdrawn Early Phase 1 Interventional

Evaluating the Combined Effect of Vedolizumab and Semi-Vegetarian Diet on Ulcerative Colitis.

NCT03309865
View directory record Official record
Conditions
Ulcerative Colitis, Dietary Modification
Interventions
semi-vegetarian diet, Vedolizumab Injection
Dietary Supplement · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Giving a Low Carbohydrate Diet to Overcome Hypertension

NCT04230928
View directory record Official record
Conditions
Hypertension, African Americans, Diet, Carbohydrate-Restricted, Risk Reduction Behavior
Interventions
Very low carbohydrate diet, Standard DPP-GLB diet, Standard DPP-GLB program modules
Other · Behavioral
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years to 74 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 3, 2026, 2:18 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Lifestyle Interventions for Long Term Diabetes Control

NCT00364312
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
diet and physical activity
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
390 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 14, 2006 · Synced Sep 3, 2026, 2:18 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Dynamic Connectivity Under Metabolic Constraints

NCT04840095
View directory record Official record
Conditions
Insulin Resistance, Healthy, Diet Modification, Aging
Interventions
Ketones, Glucose
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 79 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
2
States / cities
Charlestown, Massachusetts • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2023 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Phase 2 Interventional Results available

A Multi-Center Study in Men With Acquired Hypogonadotropic Hypogonadism to Compare Changes in Body Composition and Metabolic Parameters With Diet and Exercise in Conjunction With Treatment With 12.5 mg or 25 mg Enclomiphene

NCT02651688
View directory record Official record
Conditions
Acquired Hypogonadotropic Hypogonadism, Obesity
Interventions
Placebo, Enclomiphene
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 60 Years · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
5
States / cities
Albany, New York • Garden City, New York • Providence, Rhode Island + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2019 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional

Diet and Depression

NCT06252701
View directory record Official record
Conditions
Depression, Major Depressive Disorder, Weight Gain, Obesity, Metabolic Syndrome
Interventions
Reduction of Ultra-processed foods
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intake Modifications to Protect Against Changes in Bone Metabolism

NCT01713634
View directory record Official record
Conditions
Bone Resorption
Interventions
Preflight, In-flight
Other
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
Not listed
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2015 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Microalgae Extract Phaeosol Combined to Exercise in Healthy Overweight Women : Efficacy on Body Weight Management

NCT04761406
View directory record Official record
Conditions
Overweight and Obesity, Body Weight Changes, Healthy Lifestyle, Exercise, Dietary Supplement
Interventions
Phaeosol group, Placebo group
Dietary Supplement
Lead sponsor
Microphyt
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Goals for Reaching Optimal Wellness: GROWell

NCT04449432
View directory record Official record
Conditions
Pregnancy Related, Gestational Weight Gain, Postpartum Weight Retention, Overweight and Obesity
Interventions
GROWell (Interactive Obesity Treatment Approach), Attention Support Control
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mushroom Effects on Satiety and Gut Health Markers

NCT03352050
View directory record Official record
Conditions
Diet Modification
Interventions
mushroom, ground beef
Dietary Supplement · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Sep 3, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Grapefruit or Grapefruit Juice on Anthropometry, Dietary Intakes, Appetite, and Metabolic Profile in Overweight and Obese Young and Middle-Aged Adults

NCT00581074
View directory record Official record
Conditions
Obesity
Interventions
diet (grapefruit or grapefruit juice)
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years to 50 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 26, 2011 · Synced Sep 3, 2026, 2:18 PM EDT