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ClinicalTrials.gov public records Last synced Sep 13, 2026, 4:21 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Bariatric Surgery Candidate
Interventions
Special diet
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 130 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Night Shift Work, Time Restricted Eating, Overweight, Obesity
Interventions
Dietary Monitoring, Time-Restricted Eating (TRE), Time-Restricted Eating with a Low-Glycemic Snack (TRE-LGS)
Behavioral
Lead sponsor
Salk Institute for Biological Studies
Other
Eligibility
18 Years to 70 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
La Jolla, California
Conditions
Glioma
Interventions
Supplemental High Fat Low Carbohydrate (sHFLC) + KetoPhyt
Dietary Supplement
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Obesity
Interventions
Tapered Low Calorie Diet, Traditional Low-Calorie Diet
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Active, not recruiting Phase 1Phase 2 Interventional

Seleno-L Methionine (SLM)-Axitinib-Pembrolizumab

NCT05363631
Conditions
Clear Cell Renal Cell Carcinoma, Clear Cell Renal Cell Carcinoma Metastatic
Interventions
Selenomethionine (SLM), Axitinib, Pembrolizumab
Drug
Lead sponsor
Mohammed Milhem
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Allogeneic Hematopoietic Stem Cell Transplant (Allo-HSCT)
Interventions
Enteral Nutrition
Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Kidney Stone, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate, Nephrolithiasis, Nephrolithiasis, Calcium Oxalate, Oxalate Urolithiasis, Oxaluria
Interventions
Low oxalate fixed diets pre-colonization, Moderately high oxalate fixed diets pre-colonization, Colonization with Oxalobacter formigenes, Low oxalate fixed diets post-colonization, Moderately high oxalate fixed diets post-colonization
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
2
States / cities
Birmingham, Alabama • Dallas, Texas
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
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Interventions
Interventional Diet
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Conditions
Cocaine Use Disorder
Interventions
Cognitive Behavioral Therapy (CBT), Pioglitazone, Placebo
Behavioral · Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Houston, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Gut Oxalate Absorption in Calcium Oxalate Stone Disease

NCT06331546
Conditions
Kidney Stone, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate, Nephrolithiasis, Nephrolithiasis, Calcium Oxalate, Oxalate Urolithiasis, Oxaluria, Healthy
Interventions
Low-oxalate diet, High-oxalate diet, soluble oxalate gut absorption test
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2031
U.S. locations
2
States / cities
Birmingham, Alabama • Dallas, Texas
Not listed Not applicable Interventional Accepts healthy volunteers

Chrononutrition and Adolescent Weight Control

NCT04256863
Conditions
Adolescent Obesity, Diet, Weight Loss, Sleep
Interventions
Breakfast / Lunch, Dinner (DIN)
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Not applicable Interventional Accepts healthy volunteers Results available

Obesity and Endogenous Oxalate Synthesis

NCT03808090
Conditions
Obesity
Interventions
Normal Individuals
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Healthy Volunteers
Interventions
Cold exposure, Normal temperature, Fixed diet, Ad libitum diet, Fasting
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Overweight and Obesity, Weight Loss Maintenance, Dietary Habits
Interventions
Weight Loss Maintenance (Control vs. Reverse Diet)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
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 Results available

Adaptive Goals and Interventions for Lifestyle Enhancement

NCT04922216
Conditions
Obesity
Interventions
Core, Standard Diet Monitoring, Simplified Diet Monitoring, Adaptive Activity Goals (Daily), Adaptive Activity Goals (Weekly), Message Decision Points (Fixed), Message Decision Points (Adaptive), Message Decision Rules (Standard), Message Decision Rules (Adaptive), Message Choice (No), Message Choice (Yes)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 39 Years
Enrollment
759 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Time Restricted Eating, Obesity, Weight Loss, Colorectal Cancer
Interventions
Time restricted eating, Calorie Restriction
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
45 Years to 70 Years
Enrollment
194 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Recruiting Not applicable Interventional Accepts healthy volunteers

The Mitopure Challenge to Detect Levels of Urolithin A in Dried Blood Spots

NCT04985630
Conditions
Healthy Aging, Healthy, Healthy Diet
Interventions
Mitopure, Pomegranate Juice
Dietary Supplement
Lead sponsor
Amazentis SA
Industry
Eligibility
18 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Results available

Intermittent Fasting Adherence and Self Tracking

NCT04836312
Conditions
Hypertension, Obesity
Interventions
Soft Commitment Device
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Alcohol Dependence, Alcohol Interaction
Interventions
PT150, Beverage
Drug · Other
Lead sponsor
Pop Test Oncology LLC
Industry
Eligibility
21 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Conditions
Obesity
Interventions
Exercise Training, Weight Loss with continued Exercise Training
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Renal Salt Handling in Postural Tachycardia Syndrome Following Dietary Dopa Administration

NCT01064739
Conditions
Healthy Participants
Interventions
Fava beans, Fixed Sodium Diet
Dietary Supplement · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional

Brain, Appetite, Teens, and Exercise

NCT03783390
Conditions
Energy Balance, Appetitive Behavior, Obesity
Interventions
Exercise Intervention, Newsletter
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
14 Years to 17 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Kansas City, Missouri