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ClinicalTrials.gov public records Last synced Oct 23, 2026, 2:33 AM EDT

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Showing 1–24 of 213 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Reduced Calorie Diet Clear all
Completed Not applicable Interventional

Noninvasive Neuromodulation of the Prefrontal Cortex in Subjects With Obesity

NCT02953353
View directory record Official record
Conditions
Obesity
Interventions
Active transcranial direct current stimulation (tDCS), Hypocaloric diet, Sham transcranial direct current stimulation (tDCS)
Device · Other
Lead sponsor
University of Sao Paulo
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional

Promoting Activity and Changes in Eating (PACE) to Reduce Obesity

NCT00119782
View directory record Official record
Conditions
Obesity, Cardiovascular Diseases, Heart Diseases
Interventions
Diet, Exercise, Environment
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 70 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 23, 2012 · Synced Oct 23, 2026, 2:33 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Culturally-relevant Micronutrient-dense Plant-rich (mNDPR) Dietary Intervention for Native Americans

NCT04755062
View directory record Official record
Conditions
Obesity, Blood Glucose, High
Interventions
Micronutrient-dense plant-rich Intervention
Behavioral
Lead sponsor
Northern Arizona University
Other
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Flagstaff, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional

Groceries for Black Residents of Boston to Stop Hypertension Among Adults Without Treated Hypertension

NCT05121337
View directory record Official record
Conditions
Elevated Blood Pressure, Hypertension
Interventions
Dietitian-Assisted DASH groceries, Self-directed shopping
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 23, 2026, 2:33 AM EDT
Recruiting Phase 3 Interventional

A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Knee Osteoarthritis Lose Weight and Reduce Pain

NCT07481630
View directory record Official record
Conditions
Obesity, Knee Osteoarthritis (OA)
Interventions
NNC0487-0111, Placebo (matched to NNC0487-0111 )
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
19
States / cities
Phoenix, Arizona • Walnut Creek, California • Hamden, Connecticut + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Alternative Dietary Approaches Online to Promote Tracking

NCT05049005
View directory record Official record
Conditions
Diet Quality, Weight Loss
Interventions
Simplified dietary tracking
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial of a Water Beverage Intervention for Promoting Modest Weight Reduction in Free Living Adults

NCT01017783
View directory record Official record
Conditions
Obesity
Interventions
Dietary substitution A, Dietary Substitution B, Healthy Choices
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
318 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 3, 2011 · Synced Oct 23, 2026, 2:33 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Groceries for Residents of Southeastern USA to Stop Hypertension

NCT06891911
View directory record Official record
Conditions
Hypertension, Elevated Blood Pressure, Cardiovascular Diseases, Dietary Intervention
Interventions
Dietitian-Assisted DASH groceries, Self-directed shopping
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional

Feasibility of High Levels of Energy Expenditure From Physical Activity for Breast Cancer Survivors

NCT02963740
View directory record Official record
Conditions
Breast Cancer Female
Interventions
Supervised Exercise, Home-based Exercise, Group Phone Calls, Diet
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
Up to 71 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Oct 23, 2026, 2:33 AM EDT
Recruiting Not applicable Interventional

Comparision of Aerobic Exercise to Aerobic Plus Yoga Exercise for Weight Loss in Adults With Overweight or Obesity.

NCT06636773
View directory record Official record
Conditions
Obesity and Overweight
Interventions
Diet, Aerobic Exercise, Behavioral Sessions, Aerobic + Yoga Exercise
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 23, 2026, 2:33 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Healthy Eating for Reproductive Health: Greenville

NCT01716429
View directory record Official record
Conditions
Polycystic Ovarian Syndrome, Infertility, Obesity, Overweight
Interventions
Vegan diet, Low calorie diet
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Weight Loss Plus Omega-3 Fatty Acids or Placebo in High Risk Women

NCT02101970
View directory record Official record
Conditions
Breast Cancer
Interventions
Omega-3 Fatty Acids, Placebo Capsule, Diet and Exercise
Dietary Supplement · Other
Lead sponsor
Carol Fabian, MD
Other
Eligibility
45 Years to 70 Years · Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 24, 2022 · Synced Oct 23, 2026, 2:33 AM EDT
Active, not recruiting Not applicable Interventional

Effect of VLCD on the Reduction of Liver Steatosis and Fibrosis in Subjects With Obesity and NAFLD

NCT04861571
View directory record Official record
Conditions
NAFLD
Interventions
Dietary intervention with very low calorie diet (VLCD), Control Arm
Dietary Supplement · Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Exogenous Ketones on Indices of Keto-Adaptation in Obese Subjects on Weight Reducing Diets.

NCT06449287
View directory record Official record
Conditions
Ketogenic Diet, Weight Loss
Interventions
Diet, Blood Draw, Ketone/Glucose Monitoring, Body Composition, Urine Analysis, Neuropsychological Measures - ANAM
Other · Biological · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional

Metabolism of Low Carbohydrate and Ketogenic Diet

NCT05071287
View directory record Official record
Conditions
Diabetic Kidney Disease, Cognitive Function, Weight Loss, Diabetic Control, Type2 Diabetes
Interventions
mHealth + low-fat diet, mHealth + low-carb/ketogenic diet
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 21, 2025 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional Results available

Utilizing Protein During Weight Loss to Impact Physical Function and Bone

NCT03819478
View directory record Official record
Conditions
Obesity, Weight Loss, Diet Modification, Aging, Weight Change, Body, Dietary Habits, Osteopenia, Osteoporosis, Bone Loss, Fractures, Bone
Interventions
Weight loss intervention months 0-6, Exercise intervention months 0-6, NutraBio™ CarboMax Supplement, 6-month NutraBio™ 100% Whey Protein Isolate Supplement, 18-month NutraBio™ 100% Whey Protein Isolate Supplement
Behavioral · Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 85 Years
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2024 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional

Feasibility and Preliminary Efficacy of a Reverse Diet as a Novel Weight Loss Maintenance Strategy for Weight-Reduced Adults With Overweight/Obesity

NCT03560635
View directory record Official record
Conditions
Overweight and Obesity, Weight Loss Maintenance, Dietary Habits
Interventions
Weight Loss Maintenance (Control vs. Reverse Diet)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Leisure Time Activity and Nutrition Program

NCT00656045
View directory record Official record
Conditions
Obesity, Physical Activity
Interventions
Dietary, Physical Activity, TV Watching
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Phase 2 Interventional

Evaluate the Efficacy and Safety of NT-0796 in Participants With Obesity With or Without Type 2 Diabetes Mellitus

NCT07055516
View directory record Official record
Conditions
Obesity and Type 2 Diabetes
Interventions
NT-0796, Placebo
Drug
Lead sponsor
Rezera (formerly NodThera Limited)
Industry
Eligibility
18 Years to 75 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
11
States / cities
Mesa, Arizona • Los Angeles, California • Cooper City, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss

NCT03515889
View directory record Official record
Conditions
Weight Loss
Interventions
Ideal Protein Weight Loss Method, Standard Weight Loss
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
22 Years to 79 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bogalusa, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 22, 2024 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Reduced Carbohydrate Diet Intervention for Polycystic Ovary Syndrome (PCOS)

NCT01028989
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Reduced Glycemic Load Diet, Standard Diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 50 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 15, 2013 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional

Walnut Ingestion in Adults at Risk for Diabetes: Effects on Body Composition, Diet Quality, and Cardiac Risk Measures

NCT02330848
View directory record Official record
Conditions
Diabetes
Interventions
Walnut Ad libitum diet, Walnut Calorie controlled
Dietary Supplement
Lead sponsor
Griffin Hospital
Other
Eligibility
25 Years to 75 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Oct 23, 2026, 2:33 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

SOAR-2: Intervening in Obesity Through Reduction of Dietary Branched Chain Amino Acids

NCT04424537
View directory record Official record
Conditions
Obesity, Diabetes
Interventions
Control diet, Low branched-chain amino acids(BCAA) diet, Low protein diet
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
30 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Oct 23, 2026, 2:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fatty Acid Metabolism and Insulin Sensitivity: the Role of Endurance Exercise

NCT00795860
View directory record Official record
Conditions
Insulin Resistance and Type 2 Diabetes
Interventions
Weight loss - diet only, Weight loss plus exercise
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 16, 2017 · Synced Oct 23, 2026, 2:33 AM EDT