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ClinicalTrials.gov public records Last synced Oct 4, 2026, 2:26 AM EDT

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Showing 49–72 of 1,509 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Diet/nutrition intervention Clear all
Not yet recruiting Phase 4 Interventional

Impact of Probiotics on Gut Microbiome During Antibiotic Prophylaxis in Elective Orthopedic Surgery

NCT06791993
View directory record Official record
Conditions
Dysbiosis, Gut -microbiota, Microbiome Analysis, Probiotic, Antibiotic Prophylaxis
Interventions
Placebo Capsule, Probiotic with Human Milk Oligosaccharides (HMO)
Drug · Dietary Supplement
Lead sponsor
Acibadem Maslak Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 24, 2025 · Synced Oct 4, 2026, 2:26 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Ecosystem Nourishment for Gut Restoration After Fecal Transplantation

NCT07826793
View directory record Official record
Conditions
Aging
Interventions
Fecal Microbiota Transplant Capsules, Microbiome Rejuvenating Diet, Placebo Fecal Microbiota Transplantation
Drug · Behavioral · Other
Lead sponsor
Stanford University
Other
Eligibility
40 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Food as Medicine: Evaluating the Impact of Home-delivered Vegetables and Whole Grains on Diet of Food-insecure Families

NCT04639687
View directory record Official record
Conditions
Food Insecurity, Nutrition Poor
Interventions
Food as Medicine Delivery
Behavioral
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
10 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated May 28, 2021 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional

Use of Human Milk Cream to Decrease Length of Stay in Extremely Premature Infants

NCT02475434
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
Cream Supplement group
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 14 Days
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
7
States / cities
Orlando, Florida • East Lansing, Michigan • Boardman, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Pain in Amputees Reduced by Administration of Diet Examination

NCT05460845
View directory record Official record
Conditions
Amputation, Phantom Limb Pain, Residual Limb Pain
Interventions
Low-Carbohydrate Diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 30, 2023 · Synced Oct 4, 2026, 2:26 AM EDT
Recruiting Not applicable Interventional

Support Through Remote Observation and Nutrition Guidance Program for Individuals With Gastroesophageal Cancer

NCT06497569
View directory record Official record
Conditions
GastroEsophageal Cancer
Interventions
Dietitian Consultation, Survey, Fitbit Data Collection, Referral to Dietitian, Social Determinants of Health Survey (SDOH)
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Tampa, Florida • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 4, 2026, 2:26 AM EDT
Withdrawn Not applicable Interventional

Neuroimaging and Neurocognitive Assessment and Response to Sapropterin Dihydrochloride Treatment in Phenylketonuria

NCT01412437
View directory record Official record
Conditions
PKU
Interventions
diet, sapropterin dihydrochloride
Dietary Supplement · Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Dec 17, 2014 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Low-intensity Resistance Exercise and Diet on Arterial Function and Blood Pressure

NCT01371370
View directory record Official record
Conditions
Obesity, Pre-hypertension, Hypertension
Interventions
Resistance exercise training, Hypocaloric diet, Resistance exercise training & diet
Other
Lead sponsor
Florida State University
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Lifestyle Intervention on Gestational Diabetes Management

NCT04861324
View directory record Official record
Conditions
Gestational Diabetes, Type 2 Diabetes, Nutritional and Metabolic Disease
Interventions
Dietary Intervention
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 4, 2026, 2:26 AM EDT
Withdrawn Phase 2 Interventional

Carotenoid Rich Diet in Treating Cervical Dysplasia

NCT00003094
View directory record Official record
Conditions
Cervical Cancer
Interventions
preventative dietary intervention
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 55 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1997
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 20, 2014 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Feasibility of Rice Bran Supplementation in Nicaraguan Children

NCT02615886
View directory record Official record
Conditions
Dietary Rice Bran Supplementation
Interventions
Observational Control, Rice bran
Other · Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
4 Months to 13 Months
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 19, 2017 · Synced Oct 4, 2026, 2:26 AM EDT
Terminated Not applicable Interventional

Soy Modulation of Immune Activation, LDL- Levels, and Lowering Inflammation by Pretzel Isoflavone Dietary Intervention

NCT02818283
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV) Infection, Hypercholesterolemia
Interventions
Soy Pretzel, Wheat Pretzel
Dietary Supplement · Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 6, 2023 · Synced Oct 4, 2026, 2:26 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Assessing Obesity Related Risk Factors in Adult Population: A Genetic and Behavioral Study

NCT07341841
View directory record Official record
Conditions
Obesity Prevention
Interventions
Diet and exercise, Lifestyle Intervention, Exercise
Behavioral
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 4, 2026, 2:26 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Comparison of the Short-Term Effect of Dietary Carbohydrate Restriction Versus Exogenous Ketone Supplementation on Myocardial Glucose Suppression and Timing to Achieve a State of Ketosis Using FDG PET/CT Serial Imaging

NCT04275453
View directory record Official record
Conditions
Healthy
Interventions
FDG, Ketone Drink, Ketogenetic Diet
Drug · Dietary Supplement · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Oct 4, 2026, 2:26 AM EDT
Not listed Not applicable Interventional

The Management of Diabetes in Everyday Life Program

NCT02957513
View directory record Official record
Conditions
Diabetes Mellitus, Chronic Disease
Interventions
Text Messaging (TM), Health Coaching (HC), Enhanced Usual Care (EC)
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years and older
Enrollment
646 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
19
States / cities
Holly Springs, Mississippi • Bartlett, Tennessee • Covington, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2019 · Synced Oct 4, 2026, 2:26 AM EDT
Terminated Not applicable Interventional

Effects of a Novel Dietary Intervention on Body Composition After Laparoscopic Gastric Bypass Surgery

NCT01041261
View directory record Official record
Conditions
Obesity, Morbid Obesity
Interventions
BariatrX Essentials 360 Treatment
Dietary Supplement
Lead sponsor
MetaProteomics LLC
Industry
Eligibility
25 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 13, 2012 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of the Inno Cleanse Dietary Supplement on Gut Health and Associated Variables in Healthy Men and Women

NCT07215351
View directory record Official record
Conditions
Constipation, Bloating
Interventions
Dietary supplement for digestive health, placebo capsule
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional

Effect of a Low-Calorie Diet and/or Exercise Program on Risk Factors for Developing Breast Cancer in Overweight or Obese Postmenopausal Women

NCT00470119
View directory record Official record
Conditions
Breast Cancer, Obesity, Weight Changes
Interventions
behavioral dietary intervention, Exercise intervention
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
50 Years to 75 Years · Female only
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 10, 2012 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Measurement of Agricultural and Dietary Glyphosate Exposure Among Pregnant Women

NCT04155463
View directory record Official record
Conditions
Exposure to Herbicides
Interventions
Organic Diet, Conventional Diet
Other
Lead sponsor
Boise State University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Boise, Idaho
Source: ClinicalTrials.gov public record
Updated Apr 14, 2023 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intervention for Visceral Adiposity

NCT01350518
View directory record Official record
Conditions
Obesity
Interventions
Benefiber, TrueLemon
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
20 Years to 50 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional

BfedBwell Optimization Pilot

NCT06184256
View directory record Official record
Conditions
Survivorship, Cancer
Interventions
BfedBwell - Core Curriculum, BfedBwell - 1:1 Counseling, BfedBwell - Behavioral Skills, BfedBwell - Group Support, Program delivery
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 75 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 4, 2026, 2:26 AM EDT
Active, not recruiting Not applicable Interventional

The Impact of Whey Protein on Frailty in Older Adults Classified as Pre-frail

NCT07167277
View directory record Official record
Conditions
Pre-frail, Pre-Frail Older Adults, Cognition, Physical Function, Dietary Intake Assessment, MRI
Interventions
Whey Protein, Placebo
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 4, 2026, 2:26 AM EDT
Completed Not applicable Interventional

A Nutritional Intervention for Diabetic Neuropathy

NCT01690962
View directory record Official record
Conditions
Diabetic Neuropathy
Interventions
Vegan diet and vitamin B12 supplement, Vitamin B12 supplement
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 4, 2014 · Synced Oct 4, 2026, 2:26 AM EDT
Active, not recruiting Not applicable Interventional

Eatable Alphabet as a Nutrition Education Tool

NCT05166629
View directory record Official record
Conditions
Child Overnutrition, Child Obesity, Child Nutrition Disorders
Interventions
Eatable Alphabet, Usual Care
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
2 Years to 10 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 4, 2026, 2:26 AM EDT