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ClinicalTrials.gov public records Last synced Oct 29, 2026, 4:30 PM EDT

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Showing 1–24 of 666 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Diet Quality Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Project 1: Diet and Exercise Modulate the Sperm Epigenome in Men

NCT04175678
View directory record Official record
Conditions
Healthy Lifestyle, Obese, Men
Interventions
Diet, Exercise, Standard care
Other
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Inhibitory Control and Pediatric Weight Management

NCT04747548
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Kurbo Only, Kurbo + PolyRules!
Behavioral
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
7 Years to 13 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2022 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Very Low Calorie and Low Calorie Diet on Moderate to Severe Obstructive Sleep Apnea in Obese Adults

NCT02251574
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Low Calorie Diet, Very Low Calorie Diet, Standard Care
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years to 75 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional Results available

Omega-3 Supplementation for Pediatric Migraine

NCT06899074
View directory record Official record
Conditions
Migraine
Interventions
Omega 3 Polyunsaturated Fats, Matching Placebo
Dietary Supplement · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
10 Years to 17 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Phase 3 Interventional Results available

Diet in Altering Disease Progression in Patients With Prostate Cancer on Active Surveillance

NCT01238172
View directory record Official record
Conditions
Prostate Cancer
Interventions
dietary education and counseling, prostate cancer foundation booklet
Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
50 Years to 80 Years · Male only
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
180
States / cities
Fairbanks, Alaska • Scottsdale, Arizona • Bellflower, California + 129 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Oct 29, 2026, 4:30 PM EDT
Recruiting Not applicable Interventional

Identifying Challenges to Healthy Aging in Persons With Human Immunodeficiency Virus (HIV) Age 50 and Older

NCT05858034
View directory record Official record
Conditions
HIV, Aging
Interventions
Customized activity plan, Customized nutrition plan
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Highly Processed Foods and Vascular Health

NCT05628350
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
No UPF controlled diet, High UPF controlled diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Nursing Management of Irritable Bowel Syndrome (IBS) 2008

NCT00907790
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Usual Care (Control Group), Comprehensive Self-Management (CSM)
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 70 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced Oct 29, 2026, 4:30 PM EDT
Completed No phase listed Observational

Enhanced Recovery After Surgery in Colorectal Surgery: A Large-Scale Quality Improvement Project

NCT03189550
View directory record Official record
Conditions
Colorectal Surgery, Quality Improvement, Perioperative Care, ERAS
Interventions
ERAS perioperative care, Standard perioperative care, Noninvasive hemodynamic monitoring
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Oct 29, 2026, 4:30 PM EDT
Active, not recruiting No phase listed Observational

Dietary Insights and Nutrition Experiences in Adults on GLP-1 Therapy - A Study on Diet Quality Changes in Adults on GLP-1 Therapy

NCT07313384
View directory record Official record
Conditions
Obesity Type 2 Diabetes Mellitus, Obesity (Disorder)
Interventions
GLP-1 Therapy
Drug
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Columbia, South Carolina • Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Tackling 30-day Readmissions in Patients With Cirrhosis: The SALTYFOOD Trial

NCT03493204
View directory record Official record
Conditions
Hepatic Encephalopathy, Ascites, Liver Diseases, Cirrhosis
Interventions
Meal delivery, Standard pamphlet with Dietary Advice
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 30, 2019 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Avocado Intake on the Nutritional Status of Families

NCT02903433
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
High-intake avocados, Low-intake avocados, Diet tips, Avocado consumption advice
Other · Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
5 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2020 · Synced Oct 29, 2026, 4:30 PM EDT
Completed No phase listed Observational

Feasibility, Acceptability, and Validation of a User-friendly Diet Quality Tool in Adults From Ambulatory Nutrition Clinics

NCT07109011
View directory record Official record
Conditions
Weight Management, Cardiovascular (CV) Risk, Metabolic and Nutritional Disorders
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Design and Feasibility of a Mediterranean Diet

NCT00120016
View directory record Official record
Conditions
Breast Cancer
Interventions
dietary counseling
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
25 Years to 65 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 20, 2012 · Synced Oct 29, 2026, 4:30 PM EDT
Recruiting Not applicable Interventional

Use of Total-Body PET to Quantify Systemic and Cutaneous Inflammation in Psoriasis Patients Before and After Intervention With a Nutritionally Balanced Diet

NCT06574178
View directory record Official record
Conditions
Psoriasis
Interventions
Dietary Counseling
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Study to Assess a Dietary Supplement on Sleep Health and Quality

NCT05368909
View directory record Official record
Conditions
Sleep Quality, Sleep Health
Interventions
Sleep Supplement, Placebo
Dietary Supplement
Lead sponsor
4Life Research, LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Sandy City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Oct 29, 2026, 4:30 PM EDT
Active, not recruiting Phase 2 Interventional

Metformin and Nightly Fasting in Women With Early Breast Cancer

NCT05023967
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Breast Ductal Carcinoma In Situ, Invasive Breast Carcinoma
Interventions
Biospecimen Collection, Extended Release Metformin Hydrochloride, Monitoring, Nutritional Assessment, Short-Term Fasting
Procedure · Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Recruiting Not applicable Interventional

Mobile Health Dietary Intervention for Stroke Survivors With Prediabetes or Type 2 Diabetes

NCT07120334
View directory record Official record
Conditions
Stroke Recurrence, Type 2 Diabetes, Prediabetes
Interventions
PortionSize Ed + MedDiet Support, Standard of care for Stroke and Prediabetes or T2D
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
30 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Effect of Diet and Exercise in Breast Cancer Survivors

NCT01498536
View directory record Official record
Conditions
Breast Cancer, Obesity
Interventions
aerobic exercise
Behavioral
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 30, 2013 · Synced Oct 29, 2026, 4:30 PM 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 Oct 29, 2026, 4:30 PM EDT
Completed Phase 2Phase 3 Interventional

Addressing Quality of Life, Clinical Outcomes, and Mechanisms in Uncontrolled Asthma Following the DASH Dietary Pattern

NCT05251402
View directory record Official record
Conditions
Asthma
Interventions
Group A - Patient Education, Group B - Patient Education with Nutrition Counseling
Behavioral
Lead sponsor
University of Illinois Chicago
Other
Eligibility
18 Years and older
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Teaching Kitchens Intervention for Older Adults in a Senior Center in New England

NCT07609368
View directory record Official record
Conditions
Dietary Quality
Interventions
Not listed
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Glastonbury, Connecticut
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 29, 2026, 4:30 PM EDT
Terminated Phase 2 Interventional Results available

Supportive Therapy in Androgen Deprivation Clinic in Improving Health Outcomes and Managing Side Effects in Patients With Prostate Cancer

NCT02168062
View directory record Official record
Conditions
Prostate Adenocarcinoma
Interventions
Behavioral Dietary Intervention, Counseling, Educational Intervention, Exercise Intervention, Goserelin Acetate, Laboratory Biomarker Analysis, Leuprolide Acetate, Quality-of-Life Assessment, Triptorelin Pamoate
Behavioral · Other · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
Male only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Oct 29, 2026, 4:30 PM EDT
Enrolling by invitation Not applicable Interventional

Cardiometabolic Impact of a Produce Prescription Program in Patients With Type 2 Diabetes and Food Insecurity

NCT07674979
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Produce Gift Card and Dietary Education, Usual Care
Behavioral · Other
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 29, 2026, 4:30 PM EDT