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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Free-Living Diet Clear all
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 2, 2011 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional Results available

Assessment of Energy Balance

NCT01678885
View directory record Official record
Conditions
Caloric Intake and Energy Metabolism
Interventions
Digital Photography of Foods, doubly labeled water, IDEEA, low-calorie diet, Actical, Sensewear Armband
Behavioral · Other · Device
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Sep 7, 2026, 5:21 AM EDT
Recruiting Not applicable Interventional

Ketogenic Diet vs Mixed Diet in Patients With Heart Failure

NCT06081543
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Ketogenic diet, Low-fat Mixed diet
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 80 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional

Controlled Evaluation of a Computerized Anger-reduction Treatment for Suicide Prevention

NCT01918696
View directory record Official record
Conditions
Anger, Suicidal Ideation
Interventions
Anger Reduction Treatment, Progressive Muscle Relaxation, Control Condition
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jan 28, 2021 · Synced Sep 7, 2026, 5:21 AM EDT
Recruiting Not applicable Interventional

Protein and Exercise for Postmenopausal Women's Wellbeing

NCT06849817
View directory record Official record
Conditions
Postmenopausal
Interventions
Diet - higher protein, Physical activity and resistance training
Other · Behavioral
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Long Term Free Living Study With Modified Foods and Type 2 Diabetics

NCT00198913
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
lower fat food supplied and education, gift cards for grocery foods and written education
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
1
States / cities
Lutherville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 19, 2005 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Medium Chain Triglyceride Oil, Versus Olive Oil, for Weight Loss

NCT00529919
View directory record Official record
Conditions
Overweight
Interventions
Weight loss
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 50 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 13, 2007 · Synced Sep 7, 2026, 5:21 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Blood Glucose Differences Between Left Arm and Right Arm Using a Continuous Glucose Monitor

NCT04102657
View directory record Official record
Conditions
Diabetes
Interventions
Intermittent Fasting, Free-Living Diet, Left Arm Exercise, Right Arm Exercise
Other
Lead sponsor
University of the Pacific
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Stockton, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Sep 7, 2026, 5:21 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Nourishing Hope: The Impact of Nutrition in Cancer Treatment and Recovery in Maine

NCT07076004
View directory record Official record
Conditions
Cancer
Interventions
Medically Tailored Grocery Plus Nutrition Counseling Group, Experimental: Medically Tailored Grocery Group, Standard of Care Group with Delayed Medically Tailored Grocery Delivery
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 7, 2026, 5:21 AM EDT
Recruiting Not applicable Interventional

Whole Food for Families: A Pilot RCT of a Dietary Guidelines-Based Intervention to Prevent Type 2 Diabetes

NCT06482944
View directory record Official record
Conditions
PreDiabetes, Diet, Healthy, Nutritional and Metabolic Diseases
Interventions
Whole Foods for Families
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
6 Years to 59 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 7, 2026, 5:21 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Effect of Low Water Intake on Glucose Regulation Measured Using Continuous Glucose Monitoring

NCT06645431
View directory record Official record
Conditions
Blood Glucose Concentration, Blood Glucose Self Monitoring
Interventions
Water Intake
Behavioral
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Luis Obispo, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Peanuts on Immunity and Cardiometabolic Risk Factors

NCT06159556
View directory record Official record
Conditions
Immune Response, Cardiometabolic Risk Factors
Interventions
Peanut intake
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Web-based Physical Activity Intervention to Promote Physical Activity

NCT05803304
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
PATH Intervention, Attention Control Intervention, Physical activity tracker, Dietary education
Behavioral · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional

Assessing the Impact of Weighted Blankets on Anxiety Among Inpatients With Anorexia Nervosa: a Study Protocol

NCT04191720
View directory record Official record
Conditions
Anorexia Nervosa, Avoidant/Restrictive Food Intake Disorder, Anxiety
Interventions
Weighted blanket
Other
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 89 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

STUDY: Effects of Potatoes in a Weight Loss Program

NCT01186393
View directory record Official record
Conditions
Obesity
Interventions
Control, Low Glycemic Index, High Glycemic Index
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
2
States / cities
Davis, California • Mather, California
Source: ClinicalTrials.gov public record
Updated May 17, 2015 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Free Living Food Waste Management and Diet Quality Improvement Using Smart Intervention and Food Image Application

NCT05061888
View directory record Official record
Conditions
Diet, Healthy
Interventions
Smart Intervention for Food Waste Management and Replacing current diet with Fruits and Vegetables, Smart Intervention for Stress Management
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 62 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Phase 2 Interventional

The Healthy Life Choices Project in HIV-Positive Patients

NCT00017810
View directory record Official record
Conditions
Diarrhea, HIV Infections
Interventions
Dietary intervention, HIV Self-Care
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2003
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Validity of the PortionSize App to Measure Children's Food Intake

NCT05587816
View directory record Official record
Conditions
Nutritional Assessment
Interventions
Validation of the PortionSize app
Device
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
7 Years to 12 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 7, 2026, 5:21 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

microRNA Testing for Identification of Personalized Weight Management

NCT04217850
View directory record Official record
Conditions
Overweight and Obesity, Weight Loss
Interventions
250 kcal Dietary Energy Restriction, Aerobic Exercise
Other
Lead sponsor
North Dakota State University
Other
Eligibility
18 Years to 60 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated May 30, 2022 · Synced Sep 7, 2026, 5:21 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Online Mindfulness-Based College for Young Adults

NCT04733300
View directory record Official record
Conditions
Depressive Symptoms, Loneliness, Sedentary Behavior, Mindfulness, Physical Activity, Diet, Sleep, Emotional Regulation, Alcohol Consumption, Youth, Stress, Psychological
Interventions
Mindfulness-Based College for Young Adults, Health Education for Young Adults
Behavioral · Other
Lead sponsor
Eric Loucks
Other
Eligibility
18 Years to 29 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Sep 7, 2026, 5:21 AM EDT
Active, not recruiting Not applicable Interventional

The Effects of Fresh Mango Consumption on Cardiometabolic Outcomes in Free-living Individuals With Prediabetes

NCT06159543
View directory record Official record
Conditions
Hyperglycemia, Dyslipidemias, Insulin Resistance, Inflammation, Oxidative Stress
Interventions
Mango
Behavioral
Lead sponsor
Loma Linda University
Other
Eligibility
40 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 7, 2026, 5:21 AM EDT
Suspended Not applicable Interventional

Keto-Brain:Investigating the Use of Ketogenic Diets in Brain Metastases

NCT05428852
View directory record Official record
Conditions
Brain Metastases, Adult
Interventions
Laboratory Biomarker Analysis, Neurocognitive Assessment, Questionnaire Administration, Fitbit, Dietary Intervention
Other · Device · Dietary Supplement
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 7, 2026, 5:21 AM EDT
Completed Phase 1 Interventional

Ketogenic Diet and Chemotherapy in Affecting Recurrence in Patients With Stage IV Breast Cancer

NCT03535701
View directory record Official record
Conditions
Stage IV Breast Cancer AJCC v6 and v7
Interventions
Dietary Intervention, Laboratory Biomarker Analysis, Paclitaxel, Quality-of-Life Assessment, Questionnaire Administration
Dietary Supplement · Other · Drug
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 7, 2025 · Synced Sep 7, 2026, 5:21 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Healthy Body Study

NCT02011646
View directory record Official record
Conditions
Obesity
Interventions
Healthy Weight, Controlled Intervention
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
12 Years to 24 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2016 · Synced Sep 7, 2026, 5:21 AM EDT