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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Vitamin D and Omega-3 Supplementation for Preventing Diabetes

NCT01633177
Conditions
Type 2 Diabetes
Interventions
Vitamin D3, Omega-3 fatty acid (fish oil), Vitamin D3 placebo, Fish oil placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
22,220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers Results available

Composition & Function of Sarcoplasmic Reticulum in Persons With the Metabolic Syndrome

NCT02122666
Conditions
Metabolic Syndrome
Interventions
muscle biopsy
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Alzheimer Disease
Interventions
Blood draws, Hyperinsulinemic Euglycemic Clamp Technique Insulin Sensitivity test, Resting Metabolic Rate (RMR)
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
65 Years to 75 Years · Male only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Insulin Sensitivity
Interventions
Continuous Insulin administration during hyperinsulinemic euglycemic clamp test, Pulsatile Insulin administration during hyperinsulinemic euglycemic clamp test
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
50 Years to 75 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Shift Work Schedule, Circadian Rhythm, Insulin Resistance, Circadian Misalignment
Interventions
Metyrapone And Hydrocortisone, Dextrose, insulin
Drug
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Spokane, Washington
Conditions
HIV I Infection, Adiposity
Interventions
Frequently sampled glucose tolerance testing, abdominal subcutaneous adipose tissue biopsy, MRI scan to assess intrahepatic triglyceride content
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Accepts healthy volunteers Results available

Metabolomic Analysis of Hepatic Insulin Resistance

NCT01833403
Conditions
Type 2 Diabetes, Obesity
Interventions
Hyperinsulinemic-euglycemic clamp
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 80 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Recruiting Not applicable Interventional Accepts healthy volunteers

Testing the Adipose Expandability Hypothesis In Vivo During Overfeeding

NCT04583514
Conditions
Overweight and Obesity, Metabolic Syndrome
Interventions
Control, Overfeeding
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 42 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers

Exercise Intensity, Metabolic Rate and Insulin Sensitivity

NCT01879891
Conditions
Healthy Women
Interventions
Aerobic
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 42 Years · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1995
U.S. locations
1
States / cities
Birmingham, Alabama
Recruiting Phase 1 Interventional Accepts healthy volunteers

Graded Insulin Suppression Test P&F

NCT06592261
Conditions
Insulin Resistance, Hyperinsulinemia, Obesity, Healthy
Interventions
Insulin regular, 2.0-3.2 mU/m2/min (euinsulinemia), Insulin regular, 32 mU/m2/min (hyperinsulinemia), Octreotide Acetate, 6-45 ng/kg/min, Dextrose 20 % in Water, Glucagon, 0-0.5 ng/kg/min
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Diabetes Mellitus, Cardiovascular Diseases, Insulin Sensitivity/Resistance, Metabolic Disease, Natriuretic Peptides, Metabolism, Energy Expenditure
Interventions
Sacubitril, Valsartan 97-103 mg Oral Tablet, Valsartan 160 mg, Intravenous Glucose Tolerance Test, Standardized Meals, Exercise capacity VO2 maximum determination
Drug · Other · Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Diabetes Mellitus, Type 2, Diabetes, Type 2 Diabetes, Pre Diabetes
Interventions
Insulin resistance testing, OGTT, Fat biopsy, DXA scan, MRI, 1H-MRS, Tirzepatide, Pioglitazone
Procedure · Radiation · Drug
Lead sponsor
Stanford University
Other
Eligibility
30 Years to 70 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Precision Diets for Diabetes Prevention

NCT03919877
Conditions
Pre Diabetes, Insulin Resistance, Diabetes Mellitus, Type 2
Interventions
Dietary, Oral Food Challege
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Stanford, California
Conditions
Insulin Resistance
Interventions
VO2 Max, DEXA, Peripheral Microvascular Reactivity, Skeletal Muscle Insulin Sensitivity, Non-Oxidative Glucose Disposal, Muscle tissue Biopsy
Other
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
30 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Orlando, Florida
Not listed Not applicable Interventional Accepts healthy volunteers

Metabolic Pathology of Pediatric NAFLD

NCT05430178
Conditions
Nonalcoholic Fatty Liver, Nonalcoholic Steatohepatitis, Obesity
Interventions
Oral sugar tolerance test, De novo lipogenesis test, Gluconeogenesis test
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
10 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Completed Not applicable Interventional Results available

Vitamin D in Minorities With Prediabetes

NCT00876928
Conditions
Pre-diabetes
Interventions
vitamin D, placebo
Drug
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years to 90 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Metabolism, Physical Fitness
Interventions
High Intensity Interval Training, Moderate Intensity Training
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
17 Years to 22 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

Health Benefits of Chronic vs. Acute Exercise in Overweight Adults

NCT01452087
Conditions
Obesity
Interventions
Exercise
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 40 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Diabetes Mellitus, Body Composition, Tetraplegia, Paraplegia, Spinal Cord Injury
Interventions
Body composition
Other
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Richmond, Virginia
Not listed No phase listed Observational Accepts healthy volunteers

Mechanisms of Post-Bariatric Hypoglycemia

NCT04428866
Conditions
Hypoglycemia
Interventions
Continuous Glucose Monitoring, activity monitor, Mixed meal tolerance test, Glucagon Sensitivity Testing, Hypoglycemic Hyperinsulinemic Clamp, analysis of fecal microbiome
Diagnostic Test
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 70 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Weight Gain, Overweight, Insulin Resistance, Obesity, Diabetes Mellitus, Type 2
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 55 Years
Enrollment
1,759 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1983
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Metabolic Syndrome, Obesity
Interventions
Single Bout of Exercise, Control Condition
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
40 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Psoriasis, Plaque Psoriasis, Insulin Resistance, PreDiabetes, Overweight and Obesity
Interventions
Oral glucose tolerance test (OGTT), Skin punch biopsy
Diagnostic Test · Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Gestational Diabetes Mellitus
Interventions
Oral glucose tolerance test
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts