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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Fasting Glucose Clear all
Completed Phase 2 Interventional Results available

The Effects of Potassium on Glucose Metabolism in African Americans

NCT02236598
View directory record Official record
Conditions
Borderline Hypokalemia
Interventions
K+ supplement, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
30 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 22, 2017 · Synced Jun 10, 2026, 4:50 AM EDT
Terminated Not applicable Interventional

The Impact of Time Restricted Eating on Type 2 Diabetes

NCT06887543
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Meal timing, Time restricted eating, Usual feeding pattern.
Other
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional Results available

Effect of Exenatide, Sitagliptin or Glimepiride on Functional ß -Cell Mass

NCT00775684
View directory record Official record
Conditions
Pre-diabetes, Type 2 Diabetes
Interventions
Exenatide, Sitagliptin, Glimepiride
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Metformin and Muscle in Insulin-resistant Older Veterans

NCT01804049
View directory record Official record
Conditions
Prediabetes
Interventions
metformin, placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Jun 10, 2026, 4:50 AM EDT
Completed No phase listed Observational

Fasting for Brain and Heart Health (FBHH)

NCT04507516
View directory record Official record
Conditions
Insulin Resistance
Interventions
Water-only Fasting
Other
Lead sponsor
TrueNorth Health Foundation
Other
Eligibility
40 Years to 70 Years
Enrollment
48 participants
Timeline
2019 – 2020
U.S. locations
1
States / cities
Santa Rosa, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional Results available

Study to Evaluate the Effect of Nicotinamide Riboside on Immunity

NCT02812238
View directory record Official record
Conditions
Atherosclerosis, Diabetes, Coronary Artery Disease
Interventions
Nicotinamide riboside (NR), Placebo
Dietary Supplement · Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 39 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2019 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating the SWW Method Dietary Intervention for HbA1c and Weight Management as a Preventative Intervention in Women

NCT07463417
View directory record Official record
Conditions
Metabolic Syndrome, Obesity & Overweight, Blood Glucose Monitoring, Type 2 Diabetes Prevention
Interventions
SWW Method® Dietary and Lifestyle Intervention
Behavioral
Lead sponsor
Sarah Wragge Wellness
Industry
Eligibility
35 Years to 75 Years · Female only
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Jun 10, 2026, 4:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cardiovascular Risk and Circadian Misalignment in Short Sleepers - Role of Extended Eating Period

NCT06070194
View directory record Official record
Conditions
Sleep Deprivation
Interventions
Time restricted eating (TRE)
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Jun 10, 2026, 4:50 AM EDT
Completed No phase listed Observational

The Effects of Water-only Fasting and Refeeding on Body Composition

NCT04514146
View directory record Official record
Conditions
Visceral Obesity, Insulin Resistance
Interventions
Water-only fasting
Other
Lead sponsor
TrueNorth Health Foundation
Other
Eligibility
40 Years to 70 Years
Enrollment
48 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Santa Rosa, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Jun 10, 2026, 4:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Insulin and Insulin Pulses During Fasting

NCT06424015
View directory record Official record
Conditions
PreDiabetes
Interventions
Intralipid and heparin, Saline
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
25 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of Fiasp® (Fast Acting Insulin Aspart) in 670G Hybrid Closed-Loop Therapy

NCT03554486
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Fiasp, Novolog
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diabetes Prevention Program Pilot Study

NCT00729079
View directory record Official record
Conditions
Diabetes Prevention
Interventions
DPP
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 90 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 11, 2015 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Time-Restricted Feeding Versus Grazing

NCT01895179
View directory record Official record
Conditions
Prediabetes, Insulin Resistance, Vascular Diseases
Interventions
Time-Restricted Feeding, Grazing
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
35 Years to 70 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 15, 2018 · Synced Jun 10, 2026, 4:50 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Determinants of Insulin Sensitivity by Age, Sex, Race/Ethnicity, BMI, and PCOS Diagnosis

NCT05950282
View directory record Official record
Conditions
Insulin Resistance, Polycystic Ovary Syndrome, Hyperinsulinism, Obesity, Metabolic Syndrome
Interventions
Not listed
Lead sponsor
Ali Chappell
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional

Personalized Smartphone-assisted Coaching System to Improve Glucose Homeostasis in Adults With Prediabetes

NCT02896010
View directory record Official record
Conditions
Prediabetes, Hyperglycemia, Postprandial Hyperglycemia, Impaired Glucose Tolerance, Impaired Fasting Glucose
Interventions
Sweetch App + DBWS, Sweetch App Alone
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Baltimore, Maryland • Reading, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 26, 2018 · Synced Jun 10, 2026, 4:50 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin Supplementation After Bariatric Surgery

NCT02686905
View directory record Official record
Conditions
Complications of Bariatric Procedures, Avitaminosis
Interventions
Chewable Multivitamin with Iron, PatchMD Vitamin D3/Calcium Patch, PatchMD Multivitamin Patch, PatchMD B12 Energy Plus Patch, Chewable Calcium, Quick Dissolve B12
Dietary Supplement
Lead sponsor
California State Polytechnic University, Pomona
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Brea, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Jun 10, 2026, 4:50 AM EDT
Terminated Not applicable Interventional

RCT of Caloric Restriction vs. Alternate-Day Fasting in Non-Alcoholic Fatty Liver Disease

NCT03365531
View directory record Official record
Conditions
NAFLD, Obesity, Diabetes Mellitus, Type 2
Interventions
Alternate Daily Fasting (ADF), Caloric Restriction (CR)
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 22, 2019 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Phase 4 Interventional Results available

Incretins in Impaired Fasting Glucose

NCT00364377
View directory record Official record
Conditions
Pre-diabetes
Interventions
Sitagliptin, Placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
35 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 5, 2011 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional

Intermittent Fasting for the Treatment of Type 2 Diabetes Mellitus

NCT05860413
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional

Feasibility and Preliminary Effects of Fasting-Mimicking Diet in Asian Americans With Prediabetes

NCT06518798
View directory record Official record
Conditions
Prediabetes, Prediabetic State
Interventions
Fasting Mimicking Diet
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Effect of Exendin-(9-39) on Fasting Adaptation and Protein Sensitivity

NCT00897676
View directory record Official record
Conditions
Congenital Hyperinsulinism
Interventions
Exendin-(9-39), placebo
Drug
Lead sponsor
Diva De Leon
Other
Eligibility
6 Months to 18 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional

The Effect of a Coloring Prompt on Health Engagement

NCT01352390
View directory record Official record
Conditions
In Need of a Pap Smear (Cervical Cancer Screening), In Need of a Blood Pressure Check (Hypertension Screening), In Need of a Cholesterol Test (Lipid Disorder Screening), In Need of a Fasting Plasma Glucose Test (Diabetes)
Interventions
Planning Prompt, Control Condition
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
8,711 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial of an Herb and Mineral Combination Product on Fasting Glucose in Adults at Risk for Developing Diabetes

NCT02146157
View directory record Official record
Conditions
Prediabetes
Interventions
herb and mineral combination product, Placebo
Dietary Supplement
Lead sponsor
NewChapter, Inc.
Industry
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
6
States / cities
Chicago, Illinois • Lexington, Kentucky • Bingham Farms, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2015 · Synced Jun 10, 2026, 4:50 AM EDT
Completed Phase 4 Interventional Results available

The Blood Pressure and Metabolic Effects of Nebivolol in Hypertensive Patients With Impaired Glucose Tolerance or Impaired Fasting Glucose

NCT00673790
View directory record Official record
Conditions
Hypertension
Interventions
Nebivolol with concomitant losartan or lisinopril, HCTZ with concomitant losartan or lisinopril, Placebo with concomitant losartan or lisinopril
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 80 Years
Enrollment
537 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
88
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 75 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Jun 10, 2026, 4:50 AM EDT