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Showing 1–24 of 143 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Intermittent Fasting Clear all
Recruiting Not applicable Interventional

Alternate Day Fasting After Surgery for Patients Undergoing Chemotherapy

NCT05990426
View directory record Official record
Conditions
Ovary Cancer, Endometrial Cancer, Uterine Cancer
Interventions
FAST Intervention
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Jul 21, 2026, 10:22 PM EDT
Active, not recruiting Not applicable Interventional

4:3 Intermittent Fasting Intervention in Adults With Breast Cancer and Overweight or Obesity

NCT06399276
View directory record Official record
Conditions
Breast Cancer
Interventions
Weight Loss
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Jul 21, 2026, 10:22 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

TREAD: Time Restricted Eating Intervention for Alzheimer's Disease

NCT06548191
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease, Alzheimer's Disease
Interventions
Time-restricted eating
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
60 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Jul 21, 2026, 10:22 PM EDT
Not listed Not applicable Interventional

Fasting Mimicking Diet in Chemotherapy of Gynecologic Malignancies

NCT06376604
View directory record Official record
Conditions
Cancer, Ovarian, Chemotherapy Effect, Calorie Deficiency, Fasting, Intermittent
Interventions
Fasting Mimicking Diet, Chemotherapy
Other · Drug
Lead sponsor
L-Nutra Inc
Industry
Eligibility
35 Years to 70 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional Results available

Time-Restricted Eating to Address Persistent Cancer-Related Fatigue

NCT05256888
View directory record Official record
Conditions
Neoplasms, Therapy, Fatigue, Diet Therapy, Time, Survivorship, Fasting, Intermittent
Interventions
Time-restricted eating, Healthy lifestyle education
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 21, 2026, 10:22 PM EDT
Not yet recruiting Not applicable Interventional

Energy Deficiency on Hormones in Contraceptive Users

NCT07651800
View directory record Official record
Conditions
Energy Deficiency Due to Short-term Fasting, Hormonal Contraception
Interventions
Energy Deficiency of approximately ~250 kcal/day
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Time-restricted Eating on Weight Loss.

NCT03393195
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Time-restricted Eating plan, Consistent Meal timing plan
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 64 Years
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2020 · Synced Jul 21, 2026, 10:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Time-restricted Eating Acceptability, Efficacy and Safety in Obesity

NCT06695988
View directory record Official record
Conditions
Time Restricted Eating
Interventions
Time Restricted Eating
Behavioral
Lead sponsor
University of Mississippi, Oxford
Other
Eligibility
19 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Oxford, Mississippi
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intermittent Fasting Versus Daily Caloric Restriction for Weight Loss

NCT03411356
View directory record Official record
Conditions
Obesity
Interventions
Daily Caloric Restriction (DCR), Intermittent Fasting (IMF)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Jul 21, 2026, 10:22 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Blood Glucose Differences Between Left Arm and Right Arm Using a Continuous Glucose Monitor

NCT04102657
View directory record Official record
Conditions
Diabetes
Interventions
Intermittent Fasting, Free-Living Diet, Left Arm Exercise, Right Arm Exercise
Other
Lead sponsor
University of the Pacific
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Stockton, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Jul 21, 2026, 10:22 PM EDT
Active, not recruiting Not applicable Interventional

Application of Time Restriction Feeding in Patients With Type 2 Diabetes Mellitus

NCT05015504
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Time restricted feeding
Behavioral
Lead sponsor
OhioHealth
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional

Low-Carb/Time-restricted Feeding Protocol in Insulin-Using Type 2 Diabetics

NCT04558827
View directory record Official record
Conditions
Type2 Diabetes
Interventions
Low Carbohydrate Diet, Time Restricted Feeding
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 13, 2022 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional Results available

Daily Caloric Restriction and Intermittent Fasting in Overweight and Obese Adults With Autosomal Dominant Polycystic Kidney Disease

NCT03342742
View directory record Official record
Conditions
Polycystic Kidney, Autosomal Dominant
Interventions
Weight Loss
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Time-Restricted Eating and Muscle Hypertrophy

NCT04000750
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Can Intermittent Fasting Mimic the Metabolic and Cardiovascular and Anti-aging Effects of Calorie Restriction?

NCT01964118
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Intermittent Fasting group, control group
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
30 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 23, 2021 · Synced Jul 21, 2026, 10:22 PM EDT
Recruiting Not applicable Interventional

Nutritional Intervention for College Students With Depression

NCT07490782
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Weight Loss Interventions for Black Adults of Faith

NCT04557540
View directory record Official record
Conditions
Obesity-Related Malignant Neoplasm
Interventions
Lifestyle Therapy, Quality-of-Life Assessment, Questionnaire Administration, Short-Term Fasting
Behavioral · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 15, 2024 · Synced Jul 21, 2026, 10:22 PM EDT
Recruiting Not applicable Interventional

Early vs. Late Time-Restricted Eating in Adolescents With Obesity (EL TREA)

NCT05740254
View directory record Official record
Conditions
Pediatric Obesity, Time Restricted Feeding, Time Restricted Eating
Interventions
Early Time Restricted Eating, Late Time Restricted Eating
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
12 Years to 21 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Beneficial Effects of a Protein-rich Breakfast on Appetite Control & Cognition in Overweight and Obese Adolescents

NCT01192100
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Breakfast Skipping, Normal Protein Breakfast Meals, Protein-rich Breakfast Meals
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
15 Years to 20 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Jul 21, 2026, 10:22 PM EDT
Active, not recruiting Not applicable Interventional

Circadian Health Regulation and Optimization for Rejuvenation Outcomes

NCT07203196
View directory record Official record
Conditions
Aging, Healthy, Blood Sugar; High, Blood Sugar (Glucose) Control, Time Restricted Eating, Circadian Dysregulation
Interventions
Circadian Rhythm Optimization
Behavioral
Lead sponsor
Salk Institute for Biological Studies
Other
Eligibility
50 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Jul 21, 2026, 10:22 PM EDT
Not yet recruiting Not applicable Interventional

Early Time-Restricted Eating for Cardiovascular Health

NCT07634926
View directory record Official record
Conditions
Hypertension, Breakfast Skipper
Interventions
Early Time-Restricted Eating (eTRE)
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jul 21, 2026, 10:22 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Fasting on Newly Diagnosed Breast Cancer

NCT02379585
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Doxorubicin, cyclophosphamide, paclitaxel, docetaxel, Trastuzumab, Pertuzumab
Drug
Lead sponsor
Western Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Goodyear, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Jul 21, 2026, 10:22 PM EDT
Completed Not applicable Interventional Results available

Ignite Pilot: Goal Setting in a Digital Weight Loss Intervention

NCT05715242
View directory record Official record
Conditions
Obesity, Overweight, Weight Loss, Health Behavior
Interventions
Core Behavioral Weight Loss Intervention, Easier Step Goal, Harder Step Goal, Easier Calorie Goal, Harder Calorie Goal, Easier Eating Window Goal, Harder Eating Window Goal, Easier Red Zone Food Goal, Harder Red Zone Food Goal
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Jul 21, 2026, 10:22 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Effect of Glucagon-like Peptide-1 Receptor Agonists (GLP-1 RA) on Gastric Emptying

NCT07140289
View directory record Official record
Conditions
Gastric Emptying, Glucagon-Like Peptide-1 Receptor Agonists, Intermittent Fasting, Intraoperative Complication Due to Anesthesia, Respiratory Aspiration of Gastric Contents
Interventions
Ultrasound of gastric contents
Diagnostic Test
Lead sponsor
Wael Saasouh, MD
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 21, 2026, 10:22 PM EDT