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ClinicalTrials.gov public records Last synced Oct 20, 2026, 5:57 AM EDT

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Showing 457–480 of 685 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Dietary Modifications Clear all
Recruiting Not applicable Interventional

Nutrition and Exercise Interventions for Androgen Deprivation Therapy-Induced Obese Frailty in Elderly and Non-Elderly Survivors of Advanced Prostate Cancer

NCT03880422
View directory record Official record
Conditions
Cancer Survivor, Obesity, Overweight, Prostate Adenocarcinoma, Stage A Prostate Cancer, Stage B Prostate Cancer, Stage C Prostate Cancer, Stage D Prostate Cancer, Stage I Prostate Cancer, Stage II Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer, Stage IIC Prostate Cancer, Stage III Prostate Cancer, Stage IIIA Prostate Cancer, Stage IIIB Prostate Cancer, Stage IIIC Prostate Cancer, Stage IV Prostate Cancer, Stage IVA Prostate Cancer, Stage IVB Prostate Cancer
Interventions
Dietary Intervention, Educational Intervention, Exercise Intervention, Quality-of-Life Assessment, Survey Administration
Dietary Supplement · Other · Behavioral
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using Family-Based Approaches to Improve Healthy Eating for Southeast Asian Children

NCT05817838
View directory record Official record
Conditions
Diet, Healthy
Interventions
Financial Incentives, Financial Incentives and Multilevel Multicomponent, School Engagement
Behavioral · Other
Lead sponsor
Brown University
Other
Eligibility
6 Years and older
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein-Distinct Macronutrient-Equivalent Diet 1

NCT05577858
View directory record Official record
Conditions
Healthy Lifestyle
Interventions
Meat based, Pulse based
Other
Lead sponsor
South Dakota State University
Other
Eligibility
60 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Brookings, South Dakota
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Multi-level Communications and Access Strategies to Improve the Food Environment

NCT02279849
View directory record Official record
Conditions
Obesity
Interventions
Communications, Pricing, Combined (Communications & Pricing)
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
21 Years to 100 Years
Enrollment
444 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 27, 2018 · Synced Oct 20, 2026, 5:57 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 20, 2026, 5:57 AM EDT
Terminated Phase 2 Interventional Results available

Pilot Trial of Resistant Starch in Stage I-III Colorectal Cancer Survivors

NCT03781778
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer, Cancer Survivor, Colorectal Adenocarcinoma, Stage I Colorectal Cancer AJCC v8, Stage II Colorectal Cancer AJCC v8, Stage IIA Colorectal Cancer AJCC v8, Stage IIB Colorectal Cancer AJCC v8, Stage IIC Colorectal Cancer AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage IIIA Colorectal Cancer AJCC v8, Stage IIIB Colorectal Cancer AJCC v8, Stage IIIC Colorectal Cancer AJCC v8
Interventions
Dietary Intervention (resistant starch), Dietary Intervention (regular starch), Questionnaire Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Not applicable Interventional

Dietary Intervention Increasing Omega-3 Intake

NCT03806868
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
voucher for ordering foods (ONLY omega-3 rich foods), voucher for ordering foods in general (any type of foods)
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
40 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2020 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

University of Georgia Mind Your Heart Pilot Study

NCT07670910
View directory record Official record
Conditions
Hypertension (HTN), Obesity & Overweight
Interventions
Mind Your Heart, DASH Diet Education
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 20, 2026, 5:57 AM 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 20, 2026, 5:57 AM EDT
Active, not recruiting Phase 2 Interventional

Diet and Immune Effects Trial: DIET- A Randomized Double Blinded Dietary Intervention Study in Patients With Metastatic Melanoma Receiving Immunotherapy

NCT04645680
View directory record Official record
Conditions
Clinical Stage III Cutaneous Melanoma AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8, Metastatic Melanoma, Pathologic Stage III Cutaneous Melanoma AJCC v8, Pathologic Stage IV Cutaneous Melanoma AJCC v8, Unresectable Melanoma, Stage II Melanoma, Uveal Melanoma, Mucosal Melanoma, Unresectable Clear Cell Renal Cell Carcinoma
Interventions
Dietary Intervention, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 20, 2026, 5:57 AM EDT
Recruiting Not applicable Interventional

Very Low Carbohydrate Diets and Glucagon Response in T1DM

NCT04200391
View directory record Official record
Conditions
Type1diabetes
Interventions
Very low carbohydrate diet
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 20, 2026, 5:57 AM EDT
Active, not recruiting Not applicable Interventional

Controlled Low Calorie Diet in Reducing Side Effects and Increasing Response to Chemotherapy in Patients With Breast or Prostate Cancer

NCT01802346
View directory record Official record
Conditions
Breast Cancer, Hormone-resistant Prostate Cancer, Recurrent Prostate Cancer
Interventions
dietary intervention, nutritional support, laboratory biomarker analysis
Dietary Supplement · Procedure · Other
Lead sponsor
University of Southern California
Other
Eligibility
19 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
3
States / cities
Los Angeles, California • Newport Beach, California • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 20, 2026, 5:57 AM EDT
Terminated Phase 1 Interventional

Dietary Intervention in Patients with a History of Melanoma

NCT03950635
View directory record Official record
Conditions
Melanoma
Interventions
Dietary Intervention, Questionnaire Administration
Dietary Supplement · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Oct 20, 2026, 5:57 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Impact of Dietary Intervention on Inflammation and Microbiome Composition Post-Colonoscopy

NCT06603519
View directory record Official record
Conditions
Colorectal Polyp, Inflammation, Dietary Intervention, Microbiota, Colorectal Neoplasms, Metabolomics
Interventions
Modified Plant-Based Mediterranean Diet
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 20, 2026, 5:57 AM EDT
Recruiting Not applicable Interventional

Type 1 Diabetes Management Using a Very Low Carbohydrate Versus Standard Diet

NCT03710928
View directory record Official record
Conditions
Type1diabetes
Interventions
very low carbohydrate diet, standard carbohydrate diet
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 20, 2026, 5:57 AM EDT
Terminated Not applicable Interventional Results available

Effect of Moderate Caloric Restriction on Glomerular Growth After Kidney Transplantation

NCT03607500
View directory record Official record
Conditions
Kidney Transplant; Complications, Glomerular Disease, Weight Gain, Kidney Transplant
Interventions
caloric intake reduction
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Effects of Protein-Enriched Meal on Liver, Kidney or Bone: a Randomized Controlled Trial

NCT01030354
View directory record Official record
Conditions
Weight Reduction, Obesity, Weight Management
Interventions
Herbalife Meal Replacements
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
30 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 20, 2026, 5:57 AM EDT
Completed No phase listed Observational

Assessment of DeMentia Nutrition Intervention Needs Among Care Recipients and carEgivers

NCT05536830
View directory record Official record
Conditions
Dementia
Interventions
Nutrition Status
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Not applicable Interventional

Food Preparation Effects on Gut Bacteria in Patients on Peritoneal Dialysis

NCT02467530
View directory record Official record
Conditions
End Stage Renal Disease (ESRD)
Interventions
AGE
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Folate-Depleted Diet Compared With Folate-Supplemented Diet in Preventing Colorectal Cancer in Patients at High Risk for Colorectal Cancer

NCT00096330
View directory record Official record
Conditions
Colorectal Cancer
Interventions
dietary intervention, folic acid
Dietary Supplement
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
40 Years to 72 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2014 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Not applicable Interventional

Advanced Glycation End-products, Inflammation and Vascular Health in Chronic Kidney Disease

NCT01769963
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Research diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 1, 2014 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Not applicable Interventional

A Nutrition Intervention for Arthritis -2

NCT01700881
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Plant-based diet, Supplement
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 20, 2026, 5:57 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Home-based Prediabetes Care in Acoma Pueblo - Study 1

NCT04029298
View directory record Official record
Conditions
PreDiabetes
Interventions
Lifestyle Interventions
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
21 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Acoma Pueblo, New Mexico
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 20, 2026, 5:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Preventing Excessive Gestational Weight Gain in Obese Women

NCT01545934
View directory record Official record
Conditions
Obesity
Interventions
Lifestyle intervention
Behavioral
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years and older · Female only
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
2
States / cities
San Luis Obispo, California • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 2, 2021 · Synced Oct 20, 2026, 5:57 AM EDT