Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 24, 2026, 11:06 PM EDT

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Showing 1–24 of 180 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Prader Willi Syndrome, Syndromic Obesity, Childhood Obesity
Interventions
Low Carbohydrate diet, Low Fat diet
Other
Lead sponsor
Duke University
Other
Eligibility
5 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Overweight, Obese, Sedentary, Abdominal Obesity
Interventions
Weight Loss Diets Plus Exercise
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
30 Years to 65 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Idiopathic Intracranial Hypertension Treatment Trial

NCT01003639
Conditions
Idiopathic Intracranial Hypertension
Interventions
Acetazolamide, Placebo, Formal weight loss counselling program
Drug · Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 60 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • Waterbury, Connecticut + 31 more
Completed Not applicable Interventional Accepts healthy volunteers

Popular Diets Study

NCT00315354
Conditions
Obesity, Insulin Resistance
Interventions
Low glycemic index diet, Low fat diet, Very low carbohydrate diet
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Suspended Not applicable Interventional Accepts healthy volunteers

The Healthy Diet and Lifestyle Study II

NCT05132686
Conditions
Intra-Abdominal Fat
Interventions
IER+MED, MED/DER
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
35 Years to 69 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Conditions
Non-alcoholic Fatty Liver Disease, Childhood Obesity, Insulin Resistance
Interventions
Carbohydrate-restricted diet, Control, low-fat diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
9 Years to 17 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Overweight, Obesity
Interventions
Standard Diet, Ketogenic Diet, Placebo, Nicotinamide Riboside
Other · Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Diabetes Type II
Interventions
Low Carbohydrate Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Francisco, California
Conditions
Prediabetes
Interventions
Low carbohydrate diet
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Francisco, California
Conditions
Type 2 Diabetes
Interventions
Dietary, Physical Activity, Self-Regulatory Approaches
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
21 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Knoxville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers Results available

d13C Added Sugar Intake Biomarker: Determining Validity in Children

NCT02455388
Conditions
Validation Studies
Interventions
High added sugar diet, Low added sugar diet
Dietary Supplement
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
6 Years to 18 Years
Enrollment
370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Blacksburg, Virginia
Conditions
Liver Cirrhoses, Portal Hypertension Related to Cirrhosis, Severe Obesity, TIPS
Interventions
Transjugular Intrahepatic Portosystemic Shunt (TIPS), Sleeve Gastrectomy, Anti-Obesity Pharmacotherapy (Class Effect), Lifestyle Counseling - Diet & Physical-Activity Program
Procedure · Drug · Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
1
States / cities
Cleveland, Ohio
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Reprometabolic Syndrome Mediates Subfertility in Obesity

NCT02653092
Conditions
Obesity, Infertility, Hypogonadotropic Hypogonadotropism, Hyperinsulinemia
Interventions
Insulin, Intralipid, Dextrose, Heparin, GnRH, Hyperinsulinemic Euglycemic Clamp
Drug · Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 38 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Diabetes Mellitus, Type 2
Interventions
Sucrose plus Whole Milk Powder in Enteric Coating, Non coated Sucrose plus Whole Milk, Sucrose in Enteric Coating, Sucrose with Separate Enteric Coating Materials, Whey Protein in Enteric Coating, Whey Protein with Separate Enteric Coating Materials, Pea Protein in Enteric Coating, Pea Protein with Separate Enteric Coating Materials
Dietary Supplement
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Obesity, Iron Regulation and Colorectal Cancer Risk

NCT03548948
Conditions
Colon Inflammation, Iron Malabsorption, Obesity, Diet Modification
Interventions
High heme iron diet, Low iron diet, Plant-based high non-heme iron diet
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
55 Years to 70 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Exercise-Induced Epigenetic Modifications in Obese Aging Women

NCT01977885
Conditions
Metabolic Syndrome
Interventions
High Protein Diet, Exercise
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
50 Years to 64 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Modifying Diet to Improve Gut Microbiome

NCT03924778
Conditions
Obesity
Interventions
DASH diet, standard American diet
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Diabetes Mellitus, Type 2, PreDiabetes, Insulin Resistance, Obesity, Nonalcoholic Steatohepatitis, Nonalcoholic Fatty Liver, Diet Modification
Interventions
Dietary Intervention Mediterranean Low Carbohydrate Diet, Dietary Intervention Standard Low Carbohydrate Diet, Dietary Intervention Standard Low Fat Diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
35 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Stanford, California
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Sugar-sweetened Beverage Consumption Among Children

NCT04025060
Conditions
Pediatric Obesity, Diet, Food, and Nutrition
Interventions
Commercially-available caffeine-free soda, Carbonated water, Regular soda
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
8 Years to 11 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Overweight, Obesity, Type 2 Diabetes
Interventions
High-MUFA diet, High-CHO diet
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
30 Years to 75 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Overweight
Interventions
South Beach Diet™ with South Beach Diet™ Products, South Beach Diet™, Calorie restricted diet with South Beach Diet™ Products, Calorie Restricted Diet
Behavioral
Lead sponsor
Mondelēz International, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
4
States / cities
Northridge, California • Bradenton, Florida • Miami, Florida + 1 more
Completed Not applicable Interventional Accepts healthy volunteers

Soda and Milk Study

NCT02094768
Conditions
Obesity, Dyslipidemia
Interventions
Reduced Fat Milk, Sugar Sweetened Soda
Dietary Supplement
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
13 Years to 18 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Berkeley, California
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Different Types of Resistant Starch

NCT00930956
Conditions
Postprandial Hyperglycemia
Interventions
Resistant Starch
Dietary Supplement
Lead sponsor
Kansas State University
Other
Eligibility
18 Years to 35 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Manhattan, Kansas
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Influence of Obesity on Endogenous Oxalate Synthesis

NCT03704350
Conditions
Kidney Stone
Interventions
controlled diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama