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ClinicalTrials.gov public records Last synced Oct 23, 2026, 9:30 PM EDT

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Showing 745–768 of 1,725 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Dietary Modification Clear all
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 5, 2026 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional

Personalized Research on Diet in Ulcerative Colitis and Crohn's Disease

NCT03301311
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Crohn Disease, Ulcerative Colitis, Indeterminate Colitis
Interventions
Specific Carbohydrate Diet (SCD), Modified Specific Carbohydrate Diet (MSCD)
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 18 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • Oakland, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nutricity: An mHealth Nutrition Intervention to Improve Diet Quality Among Latino Children

NCT06266468
View directory record Official record
Conditions
Diet Quality
Interventions
Nutricity
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
Not listed
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 23, 2026, 9:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nutritional and Metabolic Dynamics of Thru-Hiking: A Longitudinal Study on the Colorado Trail

NCT06358274
View directory record Official record
Conditions
Thru-hiking
Interventions
Thru-hiking
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional

Pilot of Lifestyle Behavior Intervention for Non-Alcoholic Fatty Liver Disease

NCT05200585
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Healthy Liver/Hígado Sano program, Usual standard of care
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2023 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional Results available

Pragmatic Obstructive Sleep Apnea Weight Loss Trial Assessing Effectiveness and Reach

NCT05104450
View directory record Official record
Conditions
Obesity, Sleep Apnea, Obstructive
Interventions
lifestyle intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
696 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Early Phase 1 Interventional

Intestinal Microbiome Modification With Resistant Starch in Patients Treated With Dual Immune Checkpoint Inhibitors

NCT04552418
View directory record Official record
Conditions
Solid Tumor
Interventions
Potato starch
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional Results available

FitLink: Improving Weight Loss Maintenance by Using Digital Data to Provide Support and Accountability

NCT03337139
View directory record Official record
Conditions
Obesity, Overweight, Overweight and Obesity, Weight Loss
Interventions
Gold Standard Behavior Therapy for Weight Loss, Standard Remote Behavior Therapy for Weight Loss, Digital Data Sharing Behavior Therapy for Weight Loss
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 70 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Phase 4 Interventional

Improving Beta Cell Function in Mexican American Women With Prediabetes

NCT02488057
View directory record Official record
Conditions
Pre-Diabetes
Interventions
Liraglutide, Weight loss
Drug · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
4
States / cities
Los Angeles, California • Torrance, California • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 23, 2026, 9:30 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Leveraging Interactive Digital Technology to Increase Access to Family-Based Behavioral Treatment for Childhood Obesity

NCT06728800
View directory record Official record
Conditions
Childhood Obesity
Interventions
FBT 2.0, Delayed-Start Control (AAP educational materials)
Behavioral
Lead sponsor
3-C Institute for Social Development
Industry
Eligibility
6 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 23, 2026, 9:30 PM EDT
Not listed Phase 2 Interventional

Nutrition for Post-Traumatic Headache

NCT03272399
View directory record Official record
Conditions
Post-Traumatic Headache Chronic Without Intractable Headache
Interventions
Diet/nutrition intervention
Other
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
3
States / cities
Bethesda, Maryland • Fort Bragg, North Carolina • Fort Belvoir, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Ability of Pecan Consumption to Improve Vascular Function and Reduce Chronic Disease Risk in Aging Adults

NCT04385537
View directory record Official record
Conditions
Aging
Interventions
PECAN
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
50 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Colorado LEAP Study: A Socioecological Approach to Obesity Prevention in Early Childhood

NCT01937481
View directory record Official record
Conditions
Childhood Obesity
Interventions
The Food Friends
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
4 Years to 7 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2017
U.S. locations
6
States / cities
Brush, Colorado • Buena Vista, Colorado • Iliff, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2018 · Synced Oct 23, 2026, 9:30 PM EDT
Not yet recruiting Not applicable Interventional

Mediterranean Dietary Intervention for HS

NCT07800416
View directory record Official record
Conditions
Hidradenitis Suppurativa
Interventions
Mediterranean Diet Counseling, Mediterranean Food Support
Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional

Unsaturated Fatty Acids Enriched-diet to Improve Cardiorespiratory Fitness, Metabolic Flexibility and Glucose Tolerance in Obese Patients

NCT03310099
View directory record Official record
Conditions
Heart Failure With Normal Ejection Fraction, Obesity
Interventions
Increasing daily unsaturated fatty acid consumption
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional

Does Protein Restriction Inhibit Prostrate Cancer Growth

NCT01692587
View directory record Official record
Conditions
Prostate Cancer
Interventions
Protein restrictive diet
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Male only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Oct 23, 2026, 9:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Using Signos mHealth Platform in Adults for Weight Management

NCT06214221
View directory record Official record
Conditions
Overweight and Obesity, Metabolic Syndrome, Weight Loss
Interventions
Signos System, Standard Lifestyle Education
Device · Other
Lead sponsor
Signos Inc
Industry
Eligibility
22 Years and older
Enrollment
380 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
5
States / cities
Phoenix, Arizona • Walnut Creek, California • North Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exploring the Effects of a High Chlorophyll Dietary Intervention to Reduce Colon Cancer Risk in Adults

NCT03582306
View directory record Official record
Conditions
Colon Cancer Prevention
Interventions
High chlorophyll diet - intervention 1st, High chlorophyll diet - control 1st
Behavioral
Lead sponsor
Auburn University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Lifestyle Intervention for Metabolic Dysfunction-associated Steatotic Liver Disease (MASLD) in Adults

NCT06121999
View directory record Official record
Conditions
Metabolic Associated-dysfunction Steatotic Liver Disease (MASLD), Metabolic Associated-dysfunction Steatohepatitis (MASH)
Interventions
Standard of care acceptance-based behavioral weight loss program, Occupational therapy dietary and lifestyle modifications
Behavioral
Lead sponsor
Grand Valley State University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Wyoming, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Phase 4 Interventional Results available

BREATHE 2 Clinic Stop-Smoking Treatment Outreach Study

NCT05683821
View directory record Official record
Conditions
Quitting Smoking, Smoking Cessation, Smoking, Cigarette
Interventions
Text message smoking treatment, Nicotine replacement therapy sampling, Wisconsin Tobacco QuitLine Referral, Referral to Primary Care Provider, BREATHE 2 Cessation Study, Additional modalities to learn about and request treatment
Behavioral · Drug · Combination Product
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
12,376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Community-Based Nutrition-Lifestyle Therapy for Pregnant Latina Women With Diabetes

NCT06218147
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes Mel Gestational - in Pregnancy
Interventions
Nutrition-behavior lifestyle program
Behavioral
Lead sponsor
Sansum Diabetes Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Oct 23, 2026, 9:30 PM EDT
Recruiting Not applicable Interventional

A Study to Investigate Why Overweight People Regain Weight After Losing Weight in a Behavioral Weight Loss Program

NCT05748158
View directory record Official record
Conditions
Obesity
Interventions
Weight loss
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
25 Years to 59 Years
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 23, 2026, 9:30 PM EDT
Completed Not applicable Interventional

Breakfast Nutrition and Inpatient Glycemia

NCT01805414
View directory record Official record
Conditions
Diabetes, Type 1, Diabetes, Type 2, Cardiovascular Disease, Hyperglycemia
Interventions
Modified Carbohydrate Breakfast, Control Breakfast
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Oct 23, 2026, 9:30 PM EDT
Not listed Not applicable Interventional

The Vitality Project for Fatigued Female Cancer Survivors

NCT03259438
View directory record Official record
Conditions
Fatigue, Cancer Survivorship
Interventions
Qigong, Healthy Living (CHIP + Pre-Train)
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 23, 2017 · Synced Oct 23, 2026, 9:30 PM EDT