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Showing 1–24 of 117 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Reduced Energy Diet Clear all
Completed Not applicable Interventional Accepts healthy volunteers

HELP Prevent Cancer Pilot Study

NCT02960542
View directory record Official record
Conditions
Obesity, Cancer
Interventions
HELP Prevent Cancer Intervention
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Danville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Sep 8, 2026, 5:32 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

The CALERIE™ Legacy Study

NCT05651620
View directory record Official record
Conditions
Calorie Restriction
Interventions
Not listed
Lead sponsor
Tufts University
Other
Eligibility
33 Years to 70 Years
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
3
States / cities
Baton Rouge, Louisiana • Boston, Massachusetts • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional

The TREND Study: Tapered Reduction in Energy Intake as a Novel Approach to Dieting

NCT02837211
View directory record Official record
Conditions
Obesity
Interventions
Tapered Low Calorie Diet, Traditional Low-Calorie Diet
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Physical Activity During a Weight Loss Intervention for Breast Cancer Survivors and High Risk Women

NCT03270111
View directory record Official record
Conditions
Breast Cancer Female
Interventions
Supervised Exercise, Home-based Exercise, Reduced Energy Diet, Group Phone Calls
Behavioral
Lead sponsor
Carol Fabian, MD
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Obesity and Cartilage Compression in Knees

NCT04730557
View directory record Official record
Conditions
Obesity, Osteoarthritis, Knee Osteoarthritis
Interventions
Weight Loss
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PrOtein and WEight Loss in teenageRs

NCT02079831
View directory record Official record
Conditions
Pediatric Obesity
Interventions
Energy Restriction, Higher protein, Lower Protein
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
12 Years to 17 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 10, 2016 · Synced Sep 8, 2026, 5:32 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Muscle Insulin Resistance in Aging (Mirage)

NCT02230839
View directory record Official record
Conditions
Insulin Resistance, Sarcopenia
Interventions
Exercise, Energy Restriction-Induced Weight Loss
Behavioral
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
65 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Sep 8, 2026, 5:32 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effect of Dietary and Life Style Modification on Post Liver Transplant Obesity

NCT00878592
View directory record Official record
Conditions
Post Liver Transplantation Weight Gain, Post Liver Transplantation Obesity, Nonalcoholic Steatohepatitis
Interventions
Dietary and life style modification
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 9, 2017 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional

Maximizing Energy and Reducing Fatigue in Breast Cancer Survivors

NCT06879522
View directory record Official record
Conditions
Breast Cancer Survivor, Cancer Related Fatigue
Interventions
Maximizing Energy Intervention, Health Education
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Weight Outlooks by Restriction of Diet and Sleep

NCT02413866
View directory record Official record
Conditions
Weight
Interventions
Calorie restriction only, Sleep & calorie restriction
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
35 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

BestFIT: a Personalized Weight Loss Program

NCT02368002
View directory record Official record
Conditions
Obesity
Interventions
Behavioral weight loss therapy, Portion-controlled meals, Acceptance-based treatment
Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
21 Years to 70 Years
Enrollment
468 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intervention and Varying Physical Activity in Seniors

NCT01893684
View directory record Official record
Conditions
Obesity
Interventions
Exercise, Higher Protein Diet, Conventional Carbohydrate Diet
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
65 Years to 80 Years · Female only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 6, 2017 · Synced Sep 8, 2026, 5:32 PM EDT
Terminated Phase 2 Interventional

Dietary Intervention and Exercise Training (DIET) in Moderate to Severe Chronic Kidney Disease

NCT00581269
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
low-impact aerobic exercise, low-calorie (low-fat) diet
Behavioral · Dietary Supplement
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 2, 2010 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Phase 2 Interventional Results available

Sex-related Differences in Arterial Stiffness in Type 2 Diabetics: Role of Uric Acid

NCT03648996
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Hyperuricemia
Interventions
Low-fructose diet, isocaloric, Allopurinol, Placebo, Low-fructose, hypocaloric
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
40 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Three Different Dietary Messages on Dietary Intake and Health in Families

NCT01510678
View directory record Official record
Conditions
Obesity
Interventions
Increase Fruits and Vegetables, Decrease Snack Foods, Increase Fruits and Vegetables and Decrease Snack Foods
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
6 Years to 12 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2025
U.S. locations
2
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Snack Variety in Weight Loss Treatment

NCT00328744
View directory record Official record
Conditions
Obesity
Interventions
Standard, Limited Variety
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
21 Years to 65 Years
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 19, 2012 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Alcohol Consumption on Central Adiposity

NCT03521817
View directory record Official record
Conditions
Alcohol Drinking, Weight Loss, Adiposity, Obesity, Visceral Obesity
Interventions
Alcohol, No Alcohol
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Sep 8, 2026, 5:32 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Gender Differences in the Metabolic Effects of Uric Acid

NCT03076684
View directory record Official record
Conditions
Hyperuricemia
Interventions
low-fructose diet, Allopurinol
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
40 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Treatment of Early Childhood Overweight in Primary Care: Pilot Study

NCT01662557
View directory record Official record
Conditions
Obesity
Interventions
Family Behavior Modification, Minimal Nutrition Information
Behavioral · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
4 Years to 8 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 14, 2012 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Results available

Weight Management in Rural Communities

NCT02932748
View directory record Official record
Conditions
Weight Loss, Obesity, Body Weight
Interventions
Portion Controlled Meals (PCM), Group Phone (GP), Conventional Diet, Individual Phone (IP), Enhanced Usual Care (EUC)
Dietary Supplement · Behavioral
Lead sponsor
University of Kansas
Other
Eligibility
21 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Quality Protein for Assisting With Weight Loss

NCT03085511
View directory record Official record
Conditions
Obesity
Interventions
Egg breakfast (EB), Weight Loss Counseling, Weight Loss Diet, Cereal Breakfast (CB)
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 29, 2019 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determination of the Effect of Extreme Dietary Carbohydrate Restriction on Hepatic Glucose Production

NCT01262326
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Calorie and Carbohydrate Restriction
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Sep 8, 2026, 5:32 PM EDT
Active, not recruiting Not applicable Interventional

Pilot Study of a Metabolic Nutritional Therapy for the Management of Primary Brain Tumors

NCT01535911
View directory record Official record
Conditions
Glioblastoma
Interventions
Energy restricted Ketogenic Diet (ERKD) (Metabolic Nutritional Therapy)
Other
Lead sponsor
Michigan State University
Other
Eligibility
18 Years to 90 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2027
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 8, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Sodium Reduction on Blood Pressure and Physical Function in Older Adults

NCT04074941
View directory record Official record
Conditions
Hypertension, Physical Disability, Aging
Interventions
Dietary intervention
Other
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Revere, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Sep 8, 2026, 5:32 PM EDT