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Showing 73–96 of 171 matching trials from the live ClinicalTrials.gov search.
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Low-Carbohydrate, Ketogenic Diet Versus Orlistat for Weight Loss

NCT00108524
Conditions
Diabetes Mellitus, Obesity
Interventions
Low carbohydrate ketogenic diet, Orlistat, Low-fat diet
Behavioral · Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 69 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Diet Composition, Weight Control, and Breast Carcinogenesis

NCT01315483
Conditions
Breast Cancer
Interventions
Weight Loss Dietary Pattern
Other
Lead sponsor
Colorado State University
Other
Eligibility
21 Years and older · Female only
Enrollment
259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Denver, Colorado
Completed No phase listed Observational Accepts healthy volunteers

Geisinger Education Intervention Study in Obesity Protocol

NCT01160146
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
289 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Danville, Pennsylvania
Conditions
ALK-activated Tumors
Interventions
Ceritinib
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
12 Months to 17 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
5
States / cities
Boston, Massachusetts • New York, New York • Cincinnati, Ohio + 2 more
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Nutritional and Dietary Manipulation
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 75 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Diabetes Mellitus, Type 2
Interventions
Dietary intervention
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
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
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Dietary Intervention on Insulin Requirements in Type 1 Diabetes

NCT04944316
Conditions
Diabetes Mellitus, Type 1
Interventions
Dietary intervention
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Terminated Not applicable Interventional Accepts healthy volunteers

Energy Expenditure and Substrate Oxidation in a Whole Room Calorimeter

NCT04061369
Conditions
Overweight, Obesity, Body Weight
Interventions
Low fat meal, Moderate fat meal, High fat meal, High fat liquid meal
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Davis, California
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 Mellitus
Interventions
Exercise, Weight Loss, Exercise and weight loss
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
60 Years to 75 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Not listed Not applicable Interventional Accepts healthy volunteers

Low Energy Availability and Pituitary Function (LEAP Study)

NCT05808647
Conditions
Hypogonadotropic Hypogonadism
Interventions
5-day controlled metabolic dietary intake
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Saturated Fat Versus Monounsaturated Fat and Insulin Action

NCT01612234
Conditions
Obesity
Interventions
High palmitate or high oleate diet.
Dietary Supplement
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 40 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Burlington, Vermont
Completed Not applicable Interventional Accepts healthy volunteers

Ketogenic Diet in Healthy Adults With Differing BMI

NCT06515912
Conditions
Cardiovascular Diseases
Interventions
Ketogenic Diet
Other
Lead sponsor
Penn State University
Other
Eligibility
25 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
University Park, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

APOE Genotype and Diet Influences on Alzheimer's Biomarkers

NCT03070535
Conditions
Alzheimer's Disease; Dementia
Interventions
HIGH and LOW meal ingestion
Other
Lead sponsor
University of Washington
Other
Eligibility
55 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Resistance Exercise
Interventions
Diet
Behavioral
Lead sponsor
Chaise Murphy
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Brookings, South Dakota
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
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 Results available

Effect of High Carbohydrate vs. Low Carbohydrate Diet in Type 2 Diabetes

NCT04416204
Conditions
Diabetes Mellitus, Diabetes Mellitus, Type 2
Interventions
glycogen loading, No Glycogen Loading
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
30 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Type 2 Diabetes
Interventions
Behavioral: Low Carbohydrate, Ketogenic Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
San Francisco, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Fresh Mango Pulp Consumption on Satiety and Cardiometabolic Health

NCT03957928
Conditions
Satiety
Interventions
Low fat cookie, Mango fruit
Other
Lead sponsor
San Diego State University
Other
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
San Diego, California
Conditions
Obesity, Normal Physiology, Healthy Volunteers
Interventions
+200% of dietary requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, fasting, -50% of energy balance requirements. 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +200% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein, -25% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Dietary Protein
Interventions
Dietary protein shake
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
St Louis, Missouri