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ClinicalTrials.gov public records Last synced Sep 30, 2026, 4:23 AM EDT

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Showing 25–48 of 652 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Diet Intervention - Group 1 Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Arthritis Pilot for Preserving Muscle While Losing Weight

NCT02239939
View directory record Official record
Conditions
Obesity, Osteoarthritis
Interventions
Vest, Diet
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 79 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 9, 2018 · Synced Sep 30, 2026, 4:23 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Improving Dietary Quality Through Animal Source Protein Accessibility in a Low-Resource Setting

NCT07620028
View directory record Official record
Conditions
Nutrition Intervention, Healthy Eating, Diet, Healthy, Hunger, Food Security
Interventions
Nutrition Secure Indianapolis Food Box Intervention, Nutrition Secure Indianapolis Nutrition Education
Other · Behavioral
Lead sponsor
Purdue University
Other
Eligibility
5 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Short-term Circuit Training on Muscle Mass and Quality of Life in Sedentary Postmenopausal Women

NCT06445842
View directory record Official record
Conditions
Postmenopausal
Interventions
Exercise, No exercise
Other
Lead sponsor
Loma Linda University
Other
Eligibility
50 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COMIDAS Comparing Original Mexican Diets and Standard US Diets

NCT01369173
View directory record Official record
Conditions
Healthy
Interventions
Mexican or American foods
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Results available

Community Active and Healthy Families

NCT04414553
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Community Active and Healthy Families
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
5 Years to 99 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
Aurora, Colorado • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Sep 30, 2026, 4:23 AM EDT
Recruiting Not applicable Interventional

Alternate Day Fasting After Surgery for Patients Undergoing Chemotherapy

NCT05990426
View directory record Official record
Conditions
Ovary Cancer, Endometrial Cancer, Uterine Cancer
Interventions
FAST Intervention
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 30, 2026, 4:23 AM EDT
Active, not recruiting Not applicable Interventional

Nutritional Intervention for Endometriosis

NCT05175248
View directory record Official record
Conditions
Endometriosis
Interventions
Plant-based Intervention Group
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 30, 2026, 4:23 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Increasing Mitochondrial Respiration as a Novel Mechanism for Cognitive Augmentation

NCT07793604
View directory record Official record
Conditions
Cognition Improvement, Emotion Regulation
Interventions
Active transcranial photobiomodulation, Active MCT dietary supplementation, Sham photobiomodulation, Sham dietary supplementation
Device · Dietary Supplement
Lead sponsor
Francisco Gonzalez-Lima, PhD
Other
Eligibility
18 Years to 85 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Sep 30, 2026, 4:23 AM EDT
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 9, 2026 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Results available

Five, Plus Nuts and Beans for Kidneys

NCT03299816
View directory record Official record
Conditions
Chronic Kidney Disease, Hypertension
Interventions
Coaching DASH group (C-DASH), Self-Shopping DASH group (S-DASH)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 100 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Parent-Based Intervention to Reduce Sexual Risk Behavior in Adolescents

NCT01326806
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
Families Talking Together, Active Control on Hygiene & Nutrition
Behavioral
Lead sponsor
New York University
Other
Eligibility
11 Years to 14 Years
Enrollment
1,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 27, 2022 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Results available

An AHEI Dietary Intervention to Reduce Pain in Women With Endometriosis

NCT04259788
View directory record Official record
Conditions
Endometriosis
Interventions
AHEI diet
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Use of a Soy-based Meal Replacement Weight Loss Intervention to Impact Ectopic Fat

NCT01298817
View directory record Official record
Conditions
Abdominal Obesity
Interventions
Medifast meal replacement products
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years to 79 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional

Changing Healthy Outcomes In Clinic Environments

NCT00674518
View directory record Official record
Conditions
Obesity, Physical Inactivity, Diabetes
Interventions
One on one counseling, Group/team - based health education, PACE physician counseling
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
30 Years to 65 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 20, 2019 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Athlete Whey Protein Sensitivity: Prevalence and Performance

NCT05482997
View directory record Official record
Conditions
Food Intolerance
Interventions
Whey Protein Concentrate, Pea Protein Isolate, Rice Protein Concentrate, Hemp Protein
Dietary Supplement
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

mHealth Intervention for Older Adults

NCT03398590
View directory record Official record
Conditions
Type2 Diabetes, Obesity
Interventions
self-regulation theory-based mHealth behavior intervention
Behavioral
Lead sponsor
Boston College
Other
Eligibility
65 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional

A Carbohydrate-restricted Diet to Reverse Fatty Liver in Adolescents With Obesity

NCT02787668
View directory record Official record
Conditions
Non-alcoholic Fatty Liver Disease, Childhood Obesity, Insulin Resistance
Interventions
Carbohydrate-restricted diet, Control, low-fat diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
9 Years to 17 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional

EGD-assisted Bowel Preparation for Colonoscopy

NCT01563744
View directory record Official record
Conditions
Esophagoscopy Techniques, Colonoscopy
Interventions
EGD-assisted administration of colonoscopy prep, Control Group received standard prep by oral administration
Procedure
Lead sponsor
Rockford Gastroenterology Associates
Other
Eligibility
Not listed
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Rockford, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 19, 2016 · Synced Sep 30, 2026, 4:23 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 29, 2021 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Smoking Cessation in Hispanic Construction Workers

NCT02873377
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicorette Gum, Nicoderm CQ, Smoking Quitline Referral, Behavioral Smoking Cessation Counseling
Drug · Other · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Male only
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 7, 2019 · Synced Sep 30, 2026, 4:23 AM EDT
Recruiting Not applicable Interventional

A Bowel Management Program (Retrograde Rectal Enema) for the Treatment of Low Anterior Resection Syndrome in Rectal Cancer Patients

NCT06424522
View directory record Official record
Conditions
Low Anterior Resection Syndrome, Rectal Carcinoma
Interventions
Dietary Fiber, Enema Administration, Loperamide Hydrochloride, Physical Therapy, Questionnaire Administration, X-Ray Imaging
Dietary Supplement · Procedure · Drug + 1 more
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Dose Response of a Lead Fiber Snack Prototype

NCT04729816
View directory record Official record
Conditions
Microbiota, Gastrointestinal Microbiome
Interventions
Controlled, high fat/low fiber diet background diet, sequentially supplemented with an escalating dose of a fiber-blend snack food.
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Flavonoid Effect on Activation and Stimulation of Thrombocytes, hsCRP and Lipid Profile

NCT00559663
View directory record Official record
Conditions
Healthy
Interventions
Green tea, 70% dark chocolate
Dietary Supplement
Lead sponsor
LifeBridge Health
Other
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2007 · Synced Sep 30, 2026, 4:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Positive Food Parenting Intervention to Promote Healthy Growth in Children at Risk for Obesity

NCT06981429
View directory record Official record
Conditions
Pediatric Obesity, Nutrition Disorder
Interventions
Nourish to Flourish: The Power of Positive Food Parenting
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
5 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 30, 2026, 4:23 AM EDT