Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 9:43 AM EDT

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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

Giving a Low Carbohydrate Diet to Overcome Hypertension

NCT04230928
Conditions
Hypertension, African Americans, Diet, Carbohydrate-Restricted, Risk Reduction Behavior
Interventions
Very low carbohydrate diet, Standard DPP-GLB diet, Standard DPP-GLB program modules
Other · Behavioral
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years to 74 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Dallas, Texas
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
Terminated Phase 4 Interventional Results available

LOSS- Louisiana Obese Subjects Study

NCT00115063
Conditions
Obesity
Interventions
group sessions, sibutramine, orlistat, diethylpropion, Low Calorie Diet, Health One, Intensive Medical Combination Therapy for Obesity, Control Condition
Behavioral · Drug · Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
20 Years to 60 Years
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Baton Rouge, Louisiana
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
Hyperglycemia, Obesity Prevention
Interventions
powder shake with very low glycemic index, Ceral Breakfast
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
25 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
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
Conditions
Obstructive Sleep Apnea
Interventions
Low Calorie Diet, Very Low Calorie Diet, Standard Care
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years to 75 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, 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
Completed Not applicable Interventional Accepts healthy volunteers

Diet Induced Weight Loss to Reduce Inflammation in Obese Women

NCT01699906
Conditions
Obesity
Interventions
Diet regimen to induce weight loss
Other
Lead sponsor
Rockefeller University
Other
Eligibility
40 Years to 70 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
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

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 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
Type 2 Diabetes
Interventions
Intermittent energy restriction (IER), Time Restricted Eating (TRE)
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Type 1 Diabetes
Interventions
Very Low Carbohydrate Diet
Behavioral
Lead sponsor
Yale University
Other
Eligibility
13 Years to 25 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
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
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
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
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
Obesity and Overweight
Interventions
Diet containing 80% ultra processed foods, Diet containing 20% ultra processed foods
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
25 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
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

Metabolism and Bariatric Surgery Study

NCT03371368
Conditions
Insulin Resistance, Obesity
Interventions
Roux-en-Y Gastric Bypass (RYGBP), Sleeve Gastrectomy (SG), Very Low Calorie Diet (VLCD)
Procedure · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
New York, New York
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
Obesity; Familial, Pregnancy Related
Interventions
Very-low energy Diet (VLED), Standard of care (SOC)
Dietary Supplement · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan