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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: usual diet Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

The Effects of Early Complementary Feeding on Growth, Neurodevelopment, Sleep and Gut Health

NCT04137445
View directory record Official record
Conditions
Linear Growth, Neurodevelopment, Gut Microbiome
Interventions
Baby Foods, Foods from the home
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
5 Months to 6 Months
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing Tele-Savvy, an On-line Psychoeducation Program for Dementia Family Caregivers

NCT03033875
View directory record Official record
Conditions
Alzheimer Disease, Dementia
Interventions
Tele-Savvy, Healthy Living Education Program
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
261 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2022 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional

Fermented Milk Supplementation on Symptoms of Disease and Treatment in Patients With Multiple Myeloma

NCT04530812
View directory record Official record
Conditions
Plasma Cell Myeloma
Interventions
Best Practice, Kefir, Quality-of-Life Assessment, Questionnaire Administration
Other · Dietary Supplement
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 15, 2021 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Pomegranate Juice Consumption on the Health of Mothers and Infants During Breastfeeding

NCT04341961
View directory record Official record
Conditions
Breastfeeding
Interventions
Pomegranate Juice
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2020 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Implementing Good Nutrition to Improve, Transform, and Enhance (IGNITE) Firefighters' Health

NCT06567561
View directory record Official record
Conditions
Cancer, Inflammation, Microbiome, Immune Function
Interventions
Whole Foods Plant-Based Diet, Usual Firehouse Diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 23, 2026, 11:36 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Impact of High Dietary Fiber on Microbiome and Vaccine Responses

NCT05565586
View directory record Official record
Conditions
Influenza
Interventions
High-Fiber Diet (HFD), Prebiotic Food-Enriched Diet (PreFED)
Dietary Supplement
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional

Lifestyle-Related Health Outcomes in Prediabetes and Diabetes

NCT02535169
View directory record Official record
Conditions
Obesity, Prediabetic State, Type 2 Diabetes
Interventions
Health Education and Coaching Strategy, Dietary consult
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
10 Years to 21 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Sep 23, 2026, 11:36 PM EDT
Not yet recruiting Not applicable Interventional

A School-Based Nutrition and Fitness Program: Operation ToneUp

NCT07803666
View directory record Official record
Conditions
Exercise, Nutrition Knowledge, Blood Pressure
Interventions
Nutrition and fitness intervention
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
9 Years to 14 Years
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Lake Havasu City, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Time Restricted Eating for the Treatment of PCOS

NCT05629858
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Obesity, Overweight
Interventions
6-h Time restricted eating (TRE), Calorie restriction (CR), Control
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Sep 23, 2026, 11:36 PM EDT
Recruiting Not applicable Interventional

FEED-Cystic Fibrosis (FEED-CF)

NCT05766774
View directory record Official record
Conditions
Cystic Fibrosis, Cystic Fibrosis-related Diabetes
Interventions
Low-added sugar, high-fat diet, High-added sugar, high-fat CF diet
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 23, 2026, 11:36 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Daily Protein Pacing Effects on HbA1c in Type 2 Diabetics

NCT05355090
View directory record Official record
Conditions
Type 2 Diabetes, HbA1c, Protein Intake
Interventions
PP
Dietary Supplement
Lead sponsor
Skidmore College
Other
Eligibility
30 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2024 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional Results available

FRESH Study (Fitness, Relaxation and Eating to Stay Healthy)

NCT01636258
View directory record Official record
Conditions
Prediabetes, Overweight
Interventions
Stress Management, Diet, Exercise, Culinary education
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
East Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional

Healthy Heart Habits-2

NCT06440278
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Behavioral Activation for Health and Depression (BA-HD), Enhanced Usual Care
Behavioral · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
3
States / cities
Minneapolis, Minnesota • Greenville, North Carolina • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intimacy-Enhancing Couples' Intervention for Localized Prostate Cancer

NCT01982058
View directory record Official record
Conditions
Prostate Cancer, Sexual Dysfunction and Infertility, Sexuality
Interventions
communication intervention, counseling intervention, nutrition intervention, questionnaire administration
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
483 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
6
States / cities
New Brunswick, New Jersey • Newark, New Jersey • Whippany, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2022 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional

Diabetes Go Mobile! Pilot Study

NCT02858648
View directory record Official record
Conditions
Diabetes
Interventions
Behavior intervention with smart phone based self-monitoring, Behavior intervention with paper diary based self-monitoring
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
21 Years to 74 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 7, 2016 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional

Diet, Insulin Sensitivity, and Postprandial Metabolism

NCT02939638
View directory record Official record
Conditions
Overweight, Obesity, Insulin Resistance
Interventions
Plant-based diet, Control Diet
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 18, 2023 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional

Preparing a Food is Medicine Intervention to Promote Healthy Eating and Blood Pressure Control

NCT05796648
View directory record Official record
Conditions
Hypertension, Obesity, Healthy Nutrition, Blood Pressure
Interventions
RN-CHeFRx
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Sep 23, 2026, 11:36 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 3, 2017 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional Results available

COVID-19 Vaccine Text Outreach

NCT04834726
View directory record Official record
Conditions
Covid19
Interventions
Opt-In (Call-Back), Opt-in (In-Bound), Standard Message, Clinician Endorsement, Scarcity, Opt-Out Framing, Phone Call
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
16 Years and older
Enrollment
19,554 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 26, 2023 · Synced Sep 23, 2026, 11:36 PM EDT
Not yet recruiting Not applicable Interventional

Reducing Cardiovascular Risks: The Role of Alcohol Use

NCT07783061
View directory record Official record
Conditions
Alcohol Drinking, Drinking Behavior, At-risk Drinking, Cardiovascular Risk Factor, High Blood Pressure
Interventions
Alcohol Abstinence, Control arm
Behavioral · Other
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
26 Years to 49 Years
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 23, 2026, 11:36 PM EDT
Terminated Not applicable Interventional

The Impact of Time Restricted Eating on Type 2 Diabetes

NCT06887543
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Meal timing, Time restricted eating, Usual feeding pattern.
Other
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Dietary Restriction of Animal Protein and Fat on Osteoarthritis

NCT01939262
View directory record Official record
Conditions
Osteoarthritis
Interventions
Limitation of Animal Fat and Protein in the Diet, Control
Other
Lead sponsor
Essentia Health
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Traverse City, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional

VIDA Mobile Health Cardiovascular Prevention Program

NCT02431546
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Mobile Health Application
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 4, 2018 · Synced Sep 23, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Meat And Dietary Pattern Study

NCT05589389
View directory record Official record
Conditions
Healthy Volunteers
Interventions
High Healthy Eating Index Diet with Minimally Processed Meat, High Healthy Eating Index Diet with Further Processed Meat, Typical Healthy Eating Index Diet with Minimally Processed Meat, Typical Healthy Eating Index Diet with Further Processed Meat
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
25 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 23, 2026, 11:36 PM EDT