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Showing 1–24 of 293 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Fasting ENHANCE Pilot Study

NCT05732935
Conditions
Overweight and Obesity, Time Restricted Feeding, Alzheimer Disease
Interventions
Time Restricted Eating intervention, Successful Aging Comparison Group (LEARN)
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Overweight and Obesity
Interventions
Exercise Protocol, Calorie-Restrictive Low Carbohydrate Diet (CR-LC), Ancestral Diet (AD)
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Miami, Florida
Conditions
Weight Management
Interventions
one-hour dietary self-monitoring tool education session
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Vascular Diseases, Surgery
Interventions
Scandi-Shake
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Active, not recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Effect of Nutritional Ketosis on Alcohol Metabolism

NCT06065657
Conditions
Ketoses, Metabolic, Ketogenic Dieting, Alcohol Intoxication, Magnetic Resonance Imaging, Alcohol Drinking
Interventions
Ketone Supplement, Control Diet, Ketogenic diet, Ethanol
Dietary Supplement · Other · Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Role of Photic and Non-photic Time Cues in Resetting Circadian Rhythms

NCT05276739
Conditions
Light Exposure, Meal Timing
Interventions
Bright Light, Time-restricted eating, Dim light, 12-h meal window
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of HIIT vs. TRE on Type 2 Diabetes Risk

NCT07215533
Conditions
Obesity and Type 2 Diabetes, Metabolic Diseases, High-intensity Interval Training, Time-restricted Eating
Interventions
High-intensity interval training, Time-restricted eating
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
14 Years to 30 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Syracuse, New York
Completed Not applicable Interventional Results available

Assessment of Energy Balance

NCT01678885
Conditions
Caloric Intake and Energy Metabolism
Interventions
Digital Photography of Foods, doubly labeled water, IDEEA, low-calorie diet, Actical, Sensewear Armband
Behavioral · Other · Device
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Obesity
Interventions
S-2367 Placebo, S-2367 800 mg, S-2367 1600 mg, Reduced Calorie Diet
Drug · Other
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 65 Years
Enrollment
724 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
38
States / cities
Mobile, Alabama • Tucson, Arizona • Hot Springs, Arkansas + 35 more
Completed Not applicable Interventional Accepts healthy volunteers

Time Restricted Eating for the Treatment of PCOS

NCT05629858
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
Conditions
PreDiabetes
Interventions
Low-Carbohydrate Diabetes Prevention Program
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional Accepts healthy volunteers

TRE: Microbiome, Metabolic Health and Bone

NCT05548517
Conditions
Weight Loss, Time Restricted Feeding, Bone Loss
Interventions
Time Restricted Eating (TRE), Calorie Restriction
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
50 Years to 79 Years · Female only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Bipolar I Disorder, Psychosis, Schizoaffective Disorder
Interventions
Ketogenic diet, Dietary Guidelines for Americans
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
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
Completed Phase 1 Interventional Accepts healthy volunteers

Nutritional Restriction and Activity Thermogenesis

NCT00065338
Conditions
Obesity
Interventions
Exercise and behavior modification
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
25 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional

Dyad Plus Effectiveness/Feasibility

NCT04036331
Conditions
Weight Loss, Pediatric Obesity, Overweight Adolescents, Parent-Child Relations, Family and Household
Interventions
Brenner FIT Standard, By Design Essentials, Dyad Plus
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
13 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
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
Conditions
Diet Modification, Lung Cancer
Interventions
Special Diet Therapy (low-carb), Special Diet Therapy (low-fat), Special Diet Therapy (USDA control)
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT01939262
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
Conditions
Type 2 Diabetes, Obesity
Interventions
Very Low Calorie Diet
Other
Lead sponsor
Durham VA Medical Center
Federal
Eligibility
25 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Greenville, North Carolina
Completed Not applicable Interventional

KU Alternate Meal Energy Level Study

NCT03696966
Conditions
Obesity, Weight Loss
Interventions
Portion-Controlled Meals, Low-Calorie Diet, Intermittent Very-Low Calorie Diet
Dietary Supplement · Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Obesity
Interventions
High Protein, Low Protein
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
13 Years to 19 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Type 2 Diabetes Mellitus, Overweight, Obesity
Interventions
Low carbohydrate, ketogenic diet, Low glycemic index, reduced calorie diet
Behavioral
Lead sponsor
Robert C. Atkins Foundation
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Breast Cancer, Primary Hormone Receptor Positive Breast Cancer
Interventions
Exercise Treatment, Plant-Based Diet, Physical activity, Nutrition counseling, Replication Exercise Test
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more