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Showing 121–144 of 653 matching trials from the live ClinicalTrials.gov search.
Recruiting Not applicable Interventional Accepts healthy volunteers

Mechanism of Ketogenic Diet-Induced Hypercholesterolemia

NCT06894004
Conditions
Hypercholesterolemia and Hyperlipidemia
Interventions
Ketogenic Diet, Control Diet
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 39 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study of Time Restricted Feeding as a Weight Loss Intervention

NCT03571048
Conditions
Obesity
Interventions
Reduced Calorie Diet (RCD), Time Restricted Feeding (TRF)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Rheumatoid Arthritis
Interventions
Plant-based diet, Supplement
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Recruiting Not applicable Interventional Accepts healthy volunteers

Energy Dense Fueling for Cold-Weather Operations

NCT07489690
Conditions
Cold Exposure
Interventions
High Fat, High Carbohydrate
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Natick, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Time-Restricted Eating and Muscle Hypertrophy

NCT04000750
Conditions
Muscle Hypertrophy, Healthy and Well-Trained Men and Women
Interventions
Time Restricted Eating, Normal Feeding, Resistance Training, Whey Protein
Other · Dietary Supplement
Lead sponsor
California State University, Fullerton
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Fullerton, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Designing Food Voucher Programs to Reduce Disparities in Healthy Diets

NCT02843178
Conditions
Cardiovascular Diseases
Interventions
Vouchers
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
21 Years and older
Enrollment
359 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
San Francisco, California
Conditions
Eating Disorders, Hypoestrogenemia
Interventions
17-β estradiol transdermal patches with cyclic progesterone, Placebo patch and pill
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 35 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Colorectal Cancer, Obesity
Interventions
Physical Activity, Energy Restriction, Physical Activity and Energy Restriction
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
50 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
3
States / cities
Nashville, Tennessee
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Strategies to Augment Ketosis: Ketone Conferred Resiliency Against Sleep Restriction

NCT05519644
Conditions
Sleep Deprivation
Interventions
Sleep Deprivation, Heart Rate, Sleep Monitoring, Diet, Exercise Performance, Surveys, McGill Pain Questionnaire, Shortened Profile of Mood States, Pittsburg Sleep Index, Cognitive performance, Marksmanship Performance, Quick Board, Advanced Medical Technologies Inc, Jump Test, CGM/CKM, Blood Draw, Ketone Supplement
Other · Behavioral · Biological + 1 more
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Obesity
Interventions
Diet Therapy, Calorie Restriction, Behavioral Support
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

A Personalized Diet Study to Reduce Glycemic Exposure

NCT03336411
Conditions
Pre-diabetes, Overweight and Obesity
Interventions
mHealth, Personalized mHealth
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
269 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Conditions
Hematopoietic Stem Cell Transplant
Interventions
12-16 hour nutrition
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Months and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Endometrial Cancer
Interventions
Ketogenic Diet (KD), Standard Diet (SD)
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Conditions
Glioblastoma Multiforme
Interventions
Keto Diet, Standard Anti-Cancer Diet
Behavioral
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
5
States / cities
Los Angeles, California • San Francisco, California • Santa Monica, California + 2 more
Completed Not applicable Interventional Accepts healthy volunteers

Dairy Foods and Weight Loss

NCT00858312
Conditions
Overweight and Obesity
Interventions
high dairy diet, Low Dairy
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
20 Years to 50 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Davis, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Fat, Eicosanoids and Breast Cancer Risk

NCT01824498
Conditions
Breast Cancer
Interventions
Low Fat diet, Low Fat high n3 diet, High Fat Diet
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
40 Years to 70 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Cancer Prevention
Interventions
Time Restricted Eating (TRE), Medically Tailored Meals (MTM)
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Fatigue in Long-Haul Operations

NCT07761611
Conditions
Alertness, Fatigue, Mood, and Performance, Calorie Restriction and Light Intervention
Interventions
Caloric restriction, Light exposure
Behavioral · Device
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Mountain View, California
Conditions
Breast Carcinoma, Endometrial Carcinoma, Prostate Carcinosarcoma
Interventions
Dietary Intervention, Counseling, Therapeutic
Dietary Supplement · Other · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Time Restricted Eating for Weight Management

NCT04692532
Conditions
Obesity
Interventions
8-hour Time restricted eating, Calorie restriction
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Overweight and Obesity
Interventions
Behavioral Weight Loss (BWL) + Emotion Regulation (ER), Behavioral Weight Loss (BWL)
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
13 Years to 16 Years
Enrollment
332 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
La Jolla, California • Minneapolis, Minnesota
Conditions
Heart Failure
Interventions
Ketogenic Diet
Other
Lead sponsor
National Jewish Health
Other
Eligibility
21 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Denver, Colorado
Conditions
Non-Alcoholic Fatty Liver Disease (NAFLD)
Interventions
Milk thistle (MT), Placebo, Lifestyle Modification, Fibroscan
Drug · Behavioral · Device
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
9 Years to 22 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Breast Cancer
Interventions
Carbohydrate restricted dietary intervention, standard of care aromatase inhibitors
Other · Drug
Lead sponsor
Farin Amersi
Other
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Los Angeles, California