Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 19, 2026, 11:04 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Obesity, Insulin Resistance
Interventions
Weight loss with very low fat plant-based diet and regular exercise
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Observational Accepts healthy volunteers

Changes in Insulin Sensitivity After Weight Loss

NCT00627484
Conditions
Obesity, Type 2 Diabetes Mellitus, Insulin Resistance
Interventions
Gastric bypass, Gastric banding, Sleeve gastrectomy, Very low calorie diet
Procedure · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 75 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2018
U.S. locations
1
States / cities
New York, New York
Conditions
Infant, Premature, Diseases, Infant, Small for Gestational Age
Interventions
Individualized Nutrition, Optimized nutrition
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Up to 7 Days
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Type 2 Diabetes
Interventions
Roux-en-Y-Gastric Bypass, Intensive lifestyle modification and Optimal medical Therapy
Procedure · Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
NAFLD
Interventions
Dietary intervention with very low calorie diet (VLCD), Control Arm
Dietary Supplement · Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Type 1 Diabetes Mellitus, Diet Modification, Child, Only
Interventions
Low carbohydrate diet, Very low carbohydrate diet
Other
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
2 Years to 11 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Obesity
Interventions
GF-IGB: Obalon Balloon, Medically Supervised Meal Replacement Program: My New Weigh, Endoscopic sleeve gastroplasty: (ESG)
Device · Dietary Supplement · Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
22 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
HCG
Interventions
Human Chorionic Gonadotropin, Placebo, Low calorie diet
Drug · Other
Lead sponsor
Dr. Emma's Corporation
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Colts Neck, New Jersey
Conditions
Obesity
Interventions
human ghrelin, very low calorie diet, Hyperinsulinemic/Euglycemic Clamp
Drug · Other · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers

Neurohormonal & Behavioral Correlates of Obesity and Weight Loss

NCT02063451
Conditions
Obesity
Interventions
Very Low Calorie Diet (VLCD)
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Ann Arbor, 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 Accepts healthy volunteers

Cerebrospinal Fluid Biomarkers in Bariatric Surgery

NCT04350892
Conditions
Obesity
Interventions
Roux-en-Y Gastric Bypass (RYGB), Sleeve Gastrectomy (SG), Very Low Calorie Diet (VLCD)
Procedure · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
New York, New York
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Complex Effects of Dietary Manipulation on Metabolic Function, Inflammation and Health

NCT02706262
Conditions
Obesity, Insulin Resistance
Interventions
Metabolically abnormal obese - Mediterranean diet, Metabolically abnormal obese - Low carbohydrate ketogenic diet, Metabolically abnormal obese - Plant-based, very-low-fat diet, Annual Follow-up Visits
Other · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Withdrawn Not applicable Interventional Accepts healthy volunteers

Healthy Eating for Reproductive Health: Greenville

NCT01716429
Conditions
Polycystic Ovarian Syndrome, Infertility, Obesity, Overweight
Interventions
Vegan diet, Low calorie diet
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Greenville, South Carolina
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Uric Acid, Klotho and Salt Sensitivity in Young Adults Born Preterm

NCT04026776
Conditions
Salt; Excess, Blood Pressure Disorders
Interventions
Allopurinol, Dietary Intervention
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
22 Years to 33 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Infant, Premature, Diseases
Interventions
Medolac human milk based human milk fortifier (MHMHMF)
Dietary Supplement
Lead sponsor
Northwest Health
Other
Eligibility
23 Weeks to 32 Weeks
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Johnson, Arkansas
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
Subfertility, Anovulatory, Obese
Interventions
Intensive Dietary Intervention, Placebo
Behavioral
Lead sponsor
Amy E Rothberg
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
PreDiabetes
Interventions
Standard NDPP, Very low-carbohydrate diet
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 75 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Heart Diseases, Cardiovascular Diseases
Interventions
Dr. Dean Ornish Program for Reversing Heart Disease
Behavioral
Lead sponsor
Windber Research Institute
Other
Eligibility
21 Years and older
Enrollment
422 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
Windber, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Utilization of Very Low Calorie Diet in Obese General Surgery Patients

NCT03553849
Conditions
Morbid Obesity
Interventions
Very low calorie diet
Dietary Supplement
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Newark, Delaware
Completed Not applicable Interventional Accepts healthy volunteers

Promoting Long-term Behavior Change to Reduce CVD Risk

NCT00227006
Conditions
Obesity
Interventions
Behavioral lifestyle/weight-loss intervention
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
25 Years and older
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Stanford, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dopamine and Insulin Resistance

NCT00802204
Conditions
Obesity
Interventions
PET scan, Oral glucose tolerance test, MRI, Psychological scales to assess attitudes and behaviors related to eating and quality of life, Caloric Restriction
Radiation · Procedure · Behavioral + 1 more
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of Leptin Treatment on Weight Loss

NCT00050791
Conditions
Obesity
Interventions
Leptin, Very Low Calorie Diet
Drug · Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
20 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2009
U.S. locations
1
States / cities
New York, New York