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Showing 145–168 of 350 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Differences in Eating Frequency Between Vegan and Omnivorous Diets

NCT02417480
Conditions
Eating Behavior
Interventions
Vegan diet, Follow habitual, usual diet
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Columbia, South Carolina
Conditions
Obesity & Overweight, Cardiometabolic Risk Factors
Interventions
Mediterranean eating style, Physical activity, Mindful Eating, Body Appreciation, Enjoyable Exercise
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Not applicable Interventional Accepts healthy volunteers

Improving Protein Intake in Older Adults

NCT05175391
Conditions
Food Preferences
Interventions
Meat based protein with added spice; Plant based protein with added spice
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Depression - Major Depressive Disorder
Interventions
Mediterranean Diet, Time-Restricted Eating
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
La Jolla, California
Completed Phase 4 Interventional Results available

BREATHE 2 Clinic Stop-Smoking Treatment Outreach Study

NCT05683821
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
Conditions
Nutritional Requirements
Interventions
Zero hard-boiled egg at 0 h, One hard-boiled egg at 0 h, Two hard-boiled eggs at 0 h, Three hard-boiled eggs at 0 h, One hard-boiled egg at 3 h, One hard-boiled egg at 0 h + One hard-boiled egg at 3 h, Two egg whites at 0 h, Vegetable oil at 0 h
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Inflammation
Interventions
Omega-3 fish oil, Losartan, Corn Oil (Fish oil Placebo), Cellulose Based (Losartan Placebo)
Dietary Supplement · Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
70 Years and older
Enrollment
289 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
5
States / cities
Gainesville, Florida • Chicago, Illinois • Boston, Massachusetts + 2 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Feasibility and Acceptability of a Beverage Intervention for Hispanic Adults

NCT02911753
Conditions
Obesity, Hypercholesterolemia, Hyperglycemia, Hypertriglyceridemia
Interventions
Mediterranean Lemonade, Green Tea, Flavored Water
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 64 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Tucson, Arizona
Completed Not applicable Interventional Accepts healthy volunteers

GLOW Study: Effects of Triple Protein in Women

NCT07526571
Conditions
Healthy Women
Interventions
Triple protein support, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
30 Years to 60 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Cardiovascular Diseases, Diabetes Mellitus, Hypertension, Dyslipidemias, Overweight and Obesity
Interventions
The Complete Health Improvement Program
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
389 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2023
U.S. locations
1
States / cities
Athens, Ohio
Completed Not applicable Interventional Accepts healthy volunteers Results available

Retrieval-Based Word Learning in Developmental Language Disorder During Book Reading II

NCT07048392
Conditions
Developmental Language Disorder and Language Impairment, Specific Language Impairment, Language Development
Interventions
Retrieval-based word learning: Repeated Spaced Retrieval condition, Retrieval-based word learning: Repeated Study condition
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
48 Months to 71 Months
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
Autism
Interventions
Gluten and dry milk, Placebo
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
3 Years to 12 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Conditions
Obstructive Sleep Apnea, Daytime Sleepiness
Interventions
Whole Food Plant-Based Diet
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Completed Phase 4 Interventional Results available

Combination Nicotine Replacement for Alcoholic Smokers

NCT00064844
Conditions
Smoking, Alcoholism
Interventions
Cognitive Behavior Therapy for alcohol and smoking cessation, Nicoderm CQ nicotine patch, Placebo gum, Nicotine gum - Nicorette®
Behavioral · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Newington, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Mediterranean Diet for Post-menopausal Women: Effects on Bone Turnover

NCT01653275
Conditions
Osteoporosis, Postmenopausal Bone Loss
Interventions
Mediterranean Diet
Other
Lead sponsor
UConn Health
Other
Eligibility
65 Years and older · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Farmington, Connecticut
Conditions
Veterans, Tobacco Use Disorder, Cigarette Smoking, Tobacco Dependence
Interventions
Motivation-Phase Varenicline, Motivation-Phase Nicotine Mini-Lozenge, Cessation-Phase Combination Nicotine Replacement Therapy (NRT), Cessation-Phase Varenicline, Motivation-Phase Counseling, Cessation-Phase Counseling
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
San Diego, California • Minneapolis, Minnesota • Durham, North Carolina + 1 more
Completed Not applicable Interventional Accepts healthy volunteers

Increased Protein at Breakfast for Weight Management in Overweight Adolescents

NCT03146442
Conditions
Obesity, Adolescent
Interventions
Breakfast
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
13 Years to 21 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Austin, Texas
Conditions
Chronic Disease, Nutrition, Healthy
Interventions
Green Wellness Program: Plants-2-Plate
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Antonio, Texas
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Vitamin and Mineral Absorption From Milk and PBMAs

NCT05898217
Conditions
Nutrition, Healthy
Interventions
Dairy Milk, Soy Milk, Almond Milk, Oat Milk
Other
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
25 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Cognitive Decline, Dementia, Vascular, Alzheimer Disease, Dementia, Stroke
Interventions
Behavioral Dietary intervention ( MIND Diet), Behavioral Usual Care Diet Intervention
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
55 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Recruiting Not applicable Interventional

Tract Closure in PCNL

NCT07668817
Conditions
Nephrolithiasis
Interventions
Floseal, Surgicel, Surgiflo, Balloon Tamponade
Device · Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Conditions
Metastatic Breast Cancer, Breast Cancer Stage IV
Interventions
Plant-Based Diet
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Rochester, New York
Conditions
Chronic Kidney Disease Stage 3B, Chronic Kidney Disease, Stage 4, Proteinuria
Interventions
whole food, plant-based diet
Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, New York
Conditions
Obesity, Overweight
Interventions
Lifestyle Modification Intervention, Balanced Calorie Deficit Eating Plan, Ad Libitum Whole Food Plant-Based Eating Plan
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 75 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania