Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 8, 2026, 1:16 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 93 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Manipulation on Metabolism in Healthy Adults

NCT00476125
Conditions
Metabolic Regulation, Fasting, Ketogenic Diet
Interventions
Dietary manipulation ketogenic diet, Dietary Manipulation - 12 day ketogenic diet, 16 Hour Fast
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Diabetes Mellitus, Type 2, Obesity
Interventions
Time restricted feeding (TRF), Daily calorie restriction
Other
Lead sponsor
University of Illinois Chicago
Other
Eligibility
18 Years to 80 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Diabetes Type 2, Pre-diabetes
Interventions
Intermittent Fasting
Other
Lead sponsor
gino gaddini
Federal
Eligibility
18 Years to 69 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Nellis Air Force Base, Nevada
Completed Not applicable Interventional Accepts healthy volunteers

Time-Restricted Feeding

NCT04884659
Conditions
Obesity, Inflammatory Markers, Glycemic Variation, Time Restricted Feeding, Ketosis
Interventions
Time restricted feeding arm, usual feeding pattern arm
Other
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
Healthy Volunteer
Interventions
Alectinib, Esomeprazole, High Fat and Calorie Meal, Standard Meal
Drug · Other
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Austin, Texas
Conditions
Healthy Volunteers Food Interaction Study
Interventions
AZD1722 salt tablet, AZD1722 free base tablet, AZD1722 free base tablet + Omeprazole
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Overland Park, Kansas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Time Restricted Eating (TRE) Among Native Hawaiian/Pacific Islander Women at Risk for Endometrial Cancer

NCT04763902
Conditions
Endometrial Neoplasms
Interventions
Time Restricted Eating (TRE) Schedule, Control Schedule
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Chronic Myeloproliferative Disorders, Graft Versus Host Disease, Leukemia, Lymphoma, Lymphoproliferative Disorder, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms
Interventions
anti-thymocyte globulin, rituximab, sirolimus, tacrolimus, laboratory biomarker analysis, allogeneic hematopoietic stem cell transplantation, management of therapy complications, peripheral blood stem cell transplantation
Biological · Drug · Other + 1 more
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Detroit, Michigan
Completed Not applicable Interventional Accepts healthy volunteers

Time Restricted Feeding in Male Runners

NCT03569852
Conditions
Fasting, Intermittent Fasting, Athletic Performance, Cardiovascular Risk Factor, Resting Energy Expenditure
Interventions
Time Restrictive Feeding, Traditional Eating Pattern
Behavioral
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
20 Years to 40 Years · Male only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Davis, California
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 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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Time to Eat Study - Pilot

NCT03590847
Conditions
Overweight
Interventions
Intermittent Fasting
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Gainesville, Florida
Recruiting Not applicable Interventional Accepts healthy volunteers

Circadian Rhythms in Postmenopausal Women

NCT04893226
Conditions
Metabolic Syndrome, Postmenopausal Symptoms
Interventions
Time-Restricted Feeding (TRF)
Behavioral
Lead sponsor
Julie Pendergast
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Salt Loading and Thiazide Intervention Study

NCT00896389
Conditions
Hypertension
Interventions
Salt loading, Hydrochlorothiazide (HCTZ)
Procedure · Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Regulation of FGF21 by Nutritional Challenges

NCT00968747
Conditions
Fasting, Non-alcoholic Fatty Liver Disease (NAFLD)
Interventions
Fasting, Diet, oral carbohydrate challenge
Behavioral · Dietary Supplement
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Metabolic Syndrome, Obesity & Overweight, Blood Glucose Monitoring, Type 2 Diabetes Prevention
Interventions
SWW Method® Dietary and Lifestyle Intervention
Behavioral
Lead sponsor
Sarah Wragge Wellness
Industry
Eligibility
35 Years to 75 Years · Female only
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Cancer
Interventions
Time-restricted eating, Questionnaire Administration, Biospecimen Collection, Health coaching
Behavioral · Other · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Firefighter Collaborative Research Project

NCT05869747
Conditions
Exposure, Cardiopulmonary
Interventions
Blood Donation, Plasma Donation, Zone 2 Training, Intermittent Fasting, Surveys
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
7
States / cities
Gilbert, Arizona • Green Valley, Arizona • Tucson, Arizona
Conditions
Obstructive Sleep Apnea
Interventions
Ultrasound Exam, Polysomnography
Device
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Parkinson's Disease
Interventions
Rasagiline, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
20 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Glendale, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Changes in Inhibition and Valuation After Eating

NCT05995496
Conditions
Bulimia Nervosa
Interventions
Fasting state, Fed state, Magnetic Resonance Imaging
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Unusual Cancers of Childhood
Interventions
anti-thymocyte globulin, filgrastim, busulfan, carmustine, cyclophosphamide, cyclosporine, cytarabine, etoposide, fludarabine phosphate, melphalan, methotrexate, methylprednisolone, mycophenolate mofetil, tacrolimus, peripheral blood stem cell transplantation, umbilical cord blood transplantation, radiation therapy
Biological · Drug · Procedure + 1 more
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
Up to 60 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Childhood Cancer Survivors
Interventions
Children's Oncology Group Heart Health Link, Monthly weights, Fasting, Calls, Participant Questionnaires, Dried blood spot
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
4
States / cities
New York, New York • Memphis, Tennessee • Seattle, Washington
Not yet recruiting Not applicable Interventional

Time-Restricted Eating and Exercise for Bone Health

NCT07824375
Conditions
Osteopenia
Interventions
Time-restricted eating combined with resistance exercise (TRE+Ex), Habitual eating pattern combined with resistance exercise (HE+Ex)
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
50 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Breast Cancer Early Stage Breast Cancer (Stage 1-3), Breast Neoplasm Female, Breast Cancer
Interventions
Time restricted eating
Behavioral
Lead sponsor
University of Illinois Chicago
Other
Eligibility
25 Years to 99 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Chicago, Illinois