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Showing 1–24 of 357 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 4 Interventional Accepts healthy volunteers

The Safety and Effectiveness of Low and High Carbohydrate Diets

NCT00079547
Conditions
Obesity
Interventions
Low-calorie diet, low-carbohydrate diet
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
307 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
3
States / cities
Denver, Colorado • St Louis, Missouri • Philadelphia, Pennsylvania
Recruiting Not applicable Interventional

Living Well With Lymphoma

NCT06047626
Conditions
Lymphoma
Interventions
Fatigue Reduction Diet, General Health Curriculum
Other
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Blood Glucose, Insulin Sensitivity, Dietary Fiber
Interventions
Medium-fiber bar, High-fiber bar, Control bar (0 g fiber)
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Boca Raton, Florida • Chicago, Illinois
Conditions
Spinal Cord Injuries
Interventions
Ketogenic Diet, Standard Diet
Other
Lead sponsor
Ohio State University
Other
Eligibility
19 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Dietary Fat When Eaten With Fructose Versus Glucose

NCT01061346
Conditions
Body Weight Changes
Interventions
40% Fat Diet, 20% Fructose Beverage, 20% Glucose Beverage
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
28 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Completed Phase 2 Interventional Results available

Antibiotic "Dysbiosis" in Preterm Infants

NCT02784821
Conditions
Enterocolitis, Necrotizing, Bacteremia, Bronchopulmonary Dysplasia, Intraventricular Hemorrhage, Periventricular Leukomalacia, Chronic Lung Disease, Ileal Perforation
Interventions
Antibiotic, Gastric fluid, Breast milk, Stool samples, Antibiotics
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
23 Weeks to 33 Weeks
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Obesity
Interventions
protein and meal frequency
Other
Lead sponsor
Skidmore College
Other
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Saratoga Springs, New York
Conditions
Healthy Participants
Interventions
Low-Glycemic Breakfast Containing Oats and Mango, High-Glycemic Breakfast Containing Cereal and Mango, Low-Glycemic Breakfast Containing Oats and Table Sugar, High-Glycemic Breakfast Containing Cereal and Table Sugar
Other
Lead sponsor
Ball State University
Other
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Muncie, Indiana
Conditions
Epilepsy, Sturge Weber Syndrome
Interventions
modified Atkins diet
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
2 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
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
Body Weight
Interventions
Control, Protein, Carbohydrate
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Overweight and Obesity, Hyperandrogenemia, Insulin Resistance
Interventions
Mediterranean-based, carbohydrate restricted, calorie reduced diet
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Developmental and Epileptic Encephalopathies, Epileptic Spasms, Genetic Epilepsy, Neonatal and Infant Epilepsy
Interventions
Ketogenic diet
Drug
Lead sponsor
Heather Olson
Other
Eligibility
0 Days to 9 Months
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
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
Recruiting Not applicable Interventional Accepts healthy volunteers

Food and Circadian Timing

NCT04743271
Conditions
Diet, High-Fat, Circadian Rhythm
Interventions
High-Fat Diet, Low-Fat Diet
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Alzheimer Disease, Mild Cognitive Impairment
Interventions
low carbohydrate/high fat diet, low fat/high carbohydrate diet
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years to 85 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Phase 1 Interventional Accepts healthy volunteers

Cocoa and Endothelial Function in Adults With Elevated BMI

NCT00538083
Conditions
Cardioprotection
Interventions
Chocolate
Other
Lead sponsor
Griffin Hospital
Other
Eligibility
30 Years to 75 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Derby, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

The Metabolic Effects of Consuming Sugar-Sweetened Beverages for Two Weeks

NCT01103921
Conditions
Metabolic Syndrome, Insulin Resistance, Dyslipidemia
Interventions
Glucose, Fructose, High-Fructose Corn Syrup, No sugar (Aspartame)
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 40 Years
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Sacramento, California
Conditions
Gastrointestinal Symptoms, Weight Loss, GLP-1
Interventions
High Fiber Bar with Inulin, High Fiber bar with Fiber Blend, High Fiber Bar with Resistant Starch type 4, Low Fiber Bar
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
25 Years to 64 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
Miami Gardens, Florida • Port Saint Lucie, Florida
Conditions
Obesity
Interventions
Whey Protein, Combined Resistance and High-Intensity Interval training, Casein Protein
Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 45 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Tallahassee, Florida
Conditions
Hypertriglyceridemia, Diabetes Mellitus
Interventions
Low Fat/High Carbohydrate, High Monounsaturated Fat/Low Carbohydrate
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Little Rock, Arkansas
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
Blood Sugar; High, Blood Pressure, Dietary Habits
Interventions
Regular sweetened commercial foods, Allulose sweetened commercial foods, Whole and minimally processed and sweetened foods
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
20 Years to 99 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Irvine, California
Conditions
Obesity
Interventions
Dietary Compliance
Behavioral
Lead sponsor
Rippe Lifestyle Institute
Industry
Eligibility
20 Years to 60 Years
Enrollment
366 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Celebration, Florida