| Withdrawn | Inhibiting GABA Transaminase to Relieve Obesity Induced Hyperinsulinemia and Insulin Resistance NCT04062890 | University of Arizona | Phase 2 |
| Not Yet Recruiting | Effects of Acute Sleep Deprivation on Health NCT07403864 | National Taiwan Normal University | N/A |
| Withdrawn | Impact of Nocturnal Hypoxemia on Glucose in High Altitude Sleep Disordered Breathing NCT05462834 | Johns Hopkins University | N/A |
| Withdrawn | The DURATION Study: reDUcing sedentaRy behAviour to Maintain cogniTIve functiON. NCT04323423 | Western University, Canada | N/A |
| Recruiting | Effects of Tagatose on Glycemic Response and Gastrointestinal Microbiota in Healthy Adults NCT06920641 | PepsiCo Global R&D | N/A |
| Withdrawn | Effect of Very Low Carbohydrate Diet on Glycemic, Metabolic, Glycated and Inflammatory Markers in Gestational NCT05305352 | Khyber Medical University Peshawar | N/A |
| Recruiting | Ursodeoxycholic Acid Attenuates Statin-Induced Impaired Glucose Tolerance NCT06684106 | First Affiliated Hospital Xi'an Jiaotong University | N/A |
| Completed | Extracellular Vesicle Cargo in Obesity and Type 2 Diabetes NCT06401876 | Mayo Clinic | — |
| Completed | Daily Vinegar Ingestion and 24-Hour Blood Glucose Control NCT06319443 | Arizona State University | N/A |
| Recruiting | Time to Move in Pregnancy Hyperglycemia NCT06125704 | The University of Tennessee, Knoxville | N/A |
| Recruiting | Sleep and Metabolism NCT05775627 | Oregon Health and Science University | N/A |
| Recruiting | The Acute T-Rex (Timing of Resistance Exercise) Study NCT06366399 | University of Utah | N/A |
| Active Not Recruiting | Signos DM2 Empowerment Study (SIGNOS-CGM-EMPOWER-201-2022) NCT05874635 | Signos Inc | N/A |
| Completed | Effects of Dapagliflozin on Inflammatory Factorslevel and Prognosis in Type 2 Diabetes With Acute Myocardial I NCT05050500 | Qingdao Central Hospital | Phase 4 |
| Unknown | Dorzagliatin and 1st Phase Insulin and Beta-cell Glucose Sensitivity in IGT and NGT NCT05468229 | Chinese University of Hong Kong | Phase 1 / Phase 2 |
| Recruiting | The Impact of Removal of Exercise on Glycemic Control and Vascular Health in Older Active Adults NCT05468255 | Old Dominion University | N/A |
| Completed | Effect of Dairy Products on Insulin Resistance NCT05421390 | McGill University Health Centre/Research Institute of the McGill University Health Centre | N/A |
| Suspended | Environmental Toxicants Avoidance Study NCT04821752 | Bastyr University | N/A |
| Completed | Twins Nutrition Study (TwiNS): Vegan vs. Omnivore NCT05297825 | Stanford University | N/A |
| Completed | Sucralose and Glucose Metabolism in Young Healthy Adults NCT07194772 | University of Ottawa | N/A |
| Completed | Influence of Nocturnal Light Exposure on the Impairment of Glucose Tolerance Induced by Chronic Sleep Restrict NCT04868539 | Brigham and Women's Hospital | N/A |
| Completed | Impact of Sorghum Rice on Beta-Cell Function and Insulin Resistance in Prediabetes NCT07298304 | Dr. Soetomo General Hospital | N/A |
| Unknown | Effects of Almonds on Glycemia in Adults With Elevated Hemoglobin A1c Concentrations NCT05176197 | Purdue University | N/A |
| Recruiting | The Impact of Overnight Nutrition Support on Sleep and Circadian Rhythm Disruption in the ICU NCT04737200 | Massachusetts General Hospital | N/A |
| Not Yet Recruiting | MAL-ED Metabolic: A Follow-Up of Chronic Disease at Puberty NCT05121935 | University of Virginia | — |
| Completed | Effect of Dragon Fruit Consumption in Individuals at Risk of Type 2 Diabetes NCT05199636 | Oxford Brookes University | N/A |
| Recruiting | Dietary Strategies for Remission of Type 2 Diabetes NCT04943926 | University of Bergen | N/A |
| Unknown | Effects of Seaweed Extract on Blood Glucose Response to Sucrose NCT05461560 | University College Dublin | N/A |
| Active Not Recruiting | Use of Continuous Glucose Monitoring in Non-Diabetic Population to Compliment Signos Mobile Health Platform NCT05121844 | Signos Inc | N/A |
| Completed | Assessing Metabolic and Sleep Consequences of Overnight Home Parenteral Nutrition NCT04743960 | Massachusetts General Hospital | N/A |
| Unknown | Effect of Berberine on Metabolic Syndrome, Efficacy and Safety in Combination With Antiretroviral Therapy in P NCT04860063 | Hospital Civil de Guadalajara | Phase 3 |
| Completed | Physical Inactivity Impacts on Blood Vessel Health and Glucose Levels in an Aging Population NCT04812392 | Leryn Reynolds | N/A |
| Completed | Effects of Myo-inositol in Women With Polycystic Ovary Syndrome NCT04892186 | University of Sao Paulo General Hospital | N/A |
| Completed | Effects of a Dietary Supplement Containing Salacia Extract, Citrus Bioflavonoids, and Trivalent Chromium on Ma NCT05887050 | The Center for Applied Health Sciences, LLC | N/A |
| Recruiting | Rare and Atypical Diabetes Network NCT05544266 | University of South Florida | — |
| Unknown | Effects of Seaweed Extract on Postprandial Response to White Bread NCT05460884 | University College Dublin | N/A |
| Unknown | Assessment of Progranulin and FAM19A5 Protein Blood Levels in Metabolic Syndrome NCT04451616 | Poznan University of Medical Sciences | — |
| Recruiting | Effect of a Low-carb Dietary Intervention in Obese Patients: a Pilot Trial NCT04234373 | University Hospital, Basel, Switzerland | N/A |
| Completed | GLP-1 Therapy: The Role of IL-6 Signaling and Adipose Tissue Remodeling in Metabolic Response NCT04387201 | The University of Texas Health Science Center, Houston | Phase 4 |
| Unknown | Inter-day Reliability of the Oral Glucose Tolerance Test Using Indirect Calorimetry NCT04320433 | Universidad de Granada | N/A |
| Completed | Inositol Supplementation to Treat PCOS (INSUPP-PCOS) NCT03864068 | Milton S. Hershey Medical Center | Phase 2 |
| Completed | Kori-tofu Proteins and Blood Glucose Response NCT04233281 | Wageningen University and Research | N/A |
| Completed | The Effect of Momordica Charantia Supplementation on Blood Glucose Levels NCT04090788 | Wageningen University and Research | N/A |
| Recruiting | Hepcidin and Glucose Metabolism NCT04008147 | Swiss Federal Institute of Technology | N/A |
| Unknown | Acute Study of Anthocyanin-rich Bilberry and Polyphenol-rich Apple Extracts on Postprandial Glycaemic Response NCT04004182 | University of Aberdeen | N/A |
| Completed | Impact of Plasma Lipids on β Cell Function and Insulin Sensitivity NCT05181514 | Azienda Ospedaliero, Universitaria Pisana | N/A |
| Completed | Circadian Rhythmicity in Cold-induced Thermogenesis NCT04406922 | Leiden University Medical Center | N/A |
| Completed | Mobile-based Lifestyle Intervention in Women With Glucose Intolerance After Gestational Diabetes NCT03559621 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Completed | Glucose Risk Assessment in Employer Populations NCT04529824 | DexCom, Inc. | — |
| Completed | Physiological Effects of Stevia Consumption in Humans NCT03993418 | University of Manchester | N/A |
| Completed | Monitoring of Postprandial Glycemic Variability in Healthy Young Infants NCT03819725 | University of Lausanne Hospitals | N/A |
| Completed | Diabetes, Exercise and Liver Fat (DELIVER) NCT04004273 | James King | N/A |
| Completed | Low-Carbohydrate Dietary Pattern on Glycemic Outcomes Trial NCT03675360 | Tulane University School of Public Health and Tropical Medicine | N/A |
| Completed | Iron and Insulin Resistance in Overweight and Obese Humans NCT03348020 | University of Michigan | N/A |
| Completed | Effect of Vagus Stimulation on Peripheral Glucose Metabolism NCT03615209 | University Hospital Tuebingen | N/A |
| Completed | A Low Glycemic Index Diet for Prevention of Glucose Intolerance During Bed Rest NCT03595943 | University of Saskatchewan | N/A |
| Completed | The Effects of Light on Glucose Metabolism NCT03829982 | Maastricht University | N/A |
| Completed | Carnitine Supplementation in Type 2 Diabetic Patients NCT03230812 | Maastricht University Medical Center | N/A |
| Completed | In Vitro Fertilization Impact on Metabolic Parameters NCT03426228 | University of Warwick | — |
| Completed | Dose-response Relationship Between Exercise and Health Outcomes NCT04753021 | The Swedish School of Sport and Health Sciences | N/A |
| Terminated | Examination of the Metabolic Effects of Direct Bile Salt Delivery to the Ileum in Humans NCT03201952 | Vanderbilt University Medical Center | Phase 1 |
| Completed | Exercise-meal Timing and Postprandial Glucose Control NCT03730727 | University of Birmingham | N/A |
| Completed | Study of Eating Patterns With a Smartphone App and the Effects of Time Restricted Feeding in the Metabolic Syn NCT03241121 | University of Lausanne Hospitals | N/A |
| Terminated | Impact of Correction of Vitamin D Deficiency in Oxidative Stress in Patients With Prediabetes (VICOX) NCT03356873 | Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran | N/A |
| Completed | Almond Consumption and Glycemia NCT03236116 | Purdue University | N/A |
| Unknown | Effects of Progressive Negative Energy Balance on Glucose Tolerance, Insulin Sensitivity, and Beta-cell Functi NCT03264001 | Singapore Institute of Food and Biotechnology Innovation | N/A |
| Completed | Microbiome and Non-caloric Sweeteners in Humans NCT03708939 | Weizmann Institute of Science | N/A |
| Completed | Pharmacogenomics of the Variability in the In Vivo Response to Glucocorticoids NCT03023891 | Vanderbilt University Medical Center | Phase 1 |
| Completed | Effects of Diet and Exercise on Circadian Glycemia NCT03922685 | University of Michigan | N/A |
| Unknown | Scanadu Urine Device Validation Study Protocol NCT02973178 | Scanadu, Inc. | N/A |
| Completed | The Snack Study: The Feasibility of Changing Night-time Food Choices to Improve Glucose Tolerance in Pregnancy NCT02634593 | University of Alabama at Birmingham | N/A |
| Completed | Metabolic Effects of One-weak Heavy Drinking NCT04229550 | University Hospital, Gentofte, Copenhagen | N/A |
| Completed | Metabolic Adaptations in Response to High Intensity Interval Training in Obese Adults NCT02706093 | University of Michigan | N/A |
| Terminated | Carnitine Infusion and Insulin Resistance NCT02722902 | Maastricht University Medical Center | N/A |
| Completed | Investigation of an Amino Acid Supplement on Glucose Levels in Obese Subjects NCT03715010 | University of California, Los Angeles | N/A |
| Completed | Comparison of Two Screening Strategies for Gestational Diabetes (GDM2) NCT02309138 | Esa M Davis, MD MPH FAAFP | N/A |
| Completed | Glucose Tolerance in Children With Cystic Fibrosis NCT02569229 | Christoph Saner | — |
| Completed | Effect of Acute Hyperglycemia on Renal Tissue Oxygenation NCT02346149 | Centre Hospitalier Universitaire Vaudois | EARLY_Phase 1 |
| Completed | Rowing Away From Diabetes NCT02444156 | University of Leicester | N/A |
| Completed | A Nutrient Cocktail to Protect Against Physical Inactivity NCT03313869 | Centre National d'Etudes Spatiales | N/A |
| Completed | Effect of Consuming Oat Bran Mixed in Water Before a Meal on Glycemic Responses in Healthy Humans - a Pilot St NCT02801916 | Glycemic Index Laboratories, Inc | N/A |
| Completed | Effect of Artemisia Dracunculus on Glucose Intolerance, Insulin Sensitivity and Insulin Secretion NCT02330341 | University of Guadalajara | N/A |
| Withdrawn | Metabolic and Genetic Impacts of Energy Drinks in Youth NCT03512496 | University of Calgary | N/A |
| Unknown | L-arginine and Brown Adipose Tissue NCT02291458 | Maastricht University Medical Center | Phase 3 |
| Completed | Short Term Intermittent Fasting and Mediterranean Diet NCT02148458 | Washington University School of Medicine | N/A |
| Completed | Healthy Aging Through Functional Food NCT02095873 | University of Warwick | Phase 1 / Phase 2 |
| Completed | Abnormal Post-partum Glucose Metabolism After Gestational Diabetes Diagnosed Before or After 24 Weeks of Gesta NCT01839448 | Centre Hospitalier Universitaire de Nīmes | — |
| Completed | Acetylcarnitine and Metabolic Flexibility NCT02072759 | Maastricht University Medical Center | N/A |
| Completed | Durban Diabetes Study:A Study of the Epidemiology of Diabetes Mellitus in Urban South Africans of African Desc NCT02416440 | University of KwaZulu | — |
| Completed | Effects of Two Doses of Thylakoids on OGTT NCT02702245 | Region Skane | N/A |
| Completed | Glycemic Index of Mango and Pear in Different Solid Products and Drinks NCT01929551 | Instituto Tecnologico y de Estudios Superiores de Monterey | N/A |
| Completed | Glucose Metabolism in Different PCOS Phenotypes NCT03204461 | Medical University of Vienna | — |
| Completed | The Effects of Sea Buckthorn and Strawberry on Postprandial Glycaemia, Insulinemia and Appetite NCT02412995 | University of Copenhagen | EARLY_Phase 1 |
| Terminated | Sleep Effectiveness and Insulin and Glucose Homeostasis NCT01887691 | Beth Israel Deaconess Medical Center | Phase 1 |
| Completed | Effect of Dexmedetomidine on Postoperative Glucose and Insulin Levels. NCT03809182 | Pontificia Universidad Catolica de Chile | Phase 4 |
| Completed | Comparison of Eplerenone Versus Spironolactone in Heart Failure Patients With Glucose Intolerance or Type 2 Di NCT01586442 | Montreal Heart Institute | Phase 3 |
| Completed | Effects of Vitamin D on Beta Cell Function and Insulin Sensitivity in Pre-diabetes and Diabetes Mellitus Type NCT01497132 | Karolinska Institutet | Phase 4 |
| Unknown | Effects of Pancreaticoduodenectomy on Glucose Metabolism NCT01388192 | National Taiwan University Hospital | — |
| Unknown | Probiotics (Lactobacillus Rhamnosus) in Reducing Glucose Intolerance During and After Pregnancy NCT01436448 | Aga Khan University | Phase 3 |
| Unknown | Prevalence of Glucose Intolerance and Risk Factors in Ethiopian Immigrants in Israel; Follow-up Study. NCT01402362 | Hillel Yaffe Medical Center | — |
| Completed | Multicomponent Telecare Model for Supporting Prediabetes Patients NCT01671293 | Pontificia Universidad Catolica de Chile | N/A |
| Completed | Clinical Utility of Breath Tests in GI NCT03261856 | Augusta University | — |
| Completed | Dose Response Finding Study of MK-0431/ONO-5435 in Japanese Subjects With Impaired Glucose Tolerance (MK-0431- NCT01405911 | Merck Sharp & Dohme LLC | Phase 2 |
| Completed | A Trial of Tadalafil and Glycemic Traits NCT01444651 | Thomas J. Wang, MD | Phase 3 |
| Completed | Endothelial Function in Obese Adolescents NCT01879033 | Montefiore Medical Center | N/A |
| Completed | Postpartum Weight Loss and Exercise (PRIDE) NCT01296516 | Pennington Biomedical Research Center | N/A |
| Unknown | The Effect of Anakinra on Insulin Secretion NCT01285232 | Radboud University Medical Center | N/A |
| Completed | Effect of Feeding Frequency on Glucose and Insulin Metabolism and Substrate Partitioning in Impaired Glucose T NCT01456754 | Maastricht University Medical Center | N/A |
| Completed | Effect of Acarbose on Postprandial Lipoprotein Levels in Glucose Intolerant Patients NCT02355509 | Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran | Phase 4 |
| Terminated | Vyvanse and Glucose Intolerance in Children With Attention Deficit Hyperactivity Disorder (ADHD) and Obesity NCT01017263 | Duke University | Phase 4 |
| Completed | Vitamin D to Improve Glucose Metabolism and Reduce Inflammation in Obese Adolescents NCT00994396 | University of Missouri-Columbia | N/A |
| Completed | Postpartum Glucose Tolerance With Levonorgesterel IUD Use in Women With Recent Gestational Diabetes NCT01022645 | Northwestern University | — |
| Unknown | Effect of a Single Colecalciferol Dose on Insulin Resistance NCT01075022 | Hospital de Clinicas de Porto Alegre | N/A |
| Unknown | A Survey on the Rate of Glucose Intolerance in Hong Kong Chinese NCT00787215 | Chinese University of Hong Kong | — |
| Completed | Is Insulin Resistance and/or Glucose Intolerance Pathogenetic in the Development of a Reduced Incretin Effect NCT00784745 | University Hospital, Gentofte, Copenhagen | N/A |
| Completed | Identification of Predictors of Success for Lifestyle Modifications in Overweight Pre-diabetic Subjects NCT00969007 | Marie-France Langlois | N/A |
| Completed | Sitagliptin in Renal Transplant Recipients NCT00740363 | University of Oslo School of Pharmacy | Phase 4 |
| Unknown | Effects of 3 Months of Supervised Exercise Training NCT01349166 | University Hospital, Clermont-Ferrand | N/A |
| Terminated | Regulation of B-Cell Function & Glucose Tolerance in Older People NCT00554112 | US Department of Veterans Affairs | N/A |
| Completed | Vitamin D and Calcium Homeostasis for Prevention of Type 2 Diabetes NCT00436475 | Tufts Medical Center | Phase 1 / Phase 2 |
| Completed | Role of Rosiglitazone on Pre-Diabetes Mellitus and Coronary Artery Disease NCT01574820 | National Cheng-Kung University Hospital | Phase 3 |
| Completed | Glucagon-Like Peptide-1 (GLP-1) Suppression of Alpha Cell Secretion in Type 2 Diabetes Mellitus (T2DM) NCT00862589 | University Hospital, Gentofte, Copenhagen | N/A |
| Recruiting | A Biological Atlas of Severe Obesity (Biological Tissue Collection) NCT01129297 | University Hospital, Lille | — |
| Terminated | Clinical Trial to Assess the Effects of Candesartan on the Carbohydrate Metabolism of Obese Subjects NCT00319202 | Fundación Cardiovascular de Colombia | Phase 4 |
| Completed | Biomarkers of Prednisolone Treatment (P05888) NCT00971724 | Merck Sharp & Dohme LLC | N/A |
| Completed | Japan Prevention Trial of Diabetes by Pitavastatin in Patients With Impaired Glucose Tolerance (J-PREDICT) NCT00301392 | Tokyo University | Phase 4 |
| Completed | Vestibular Dysfunction and Glucose Metabolism NCT02226536 | University of Sao Paulo General Hospital | N/A |
| Unknown | Study on the Efficacy of Slow Release Insulin in Cystic Fibrosis Patients With Glucide Intolerance and Clinica NCT00687466 | Fondazione per la ricerca sulla Fibrosi Cistica | Phase 3 |
| Unknown | Prevention of Corticosteroid-induced Glucose Intolerance NCT00240604 | Hadassah Medical Organization | Phase 3 |
| Completed | Diabetes Prevention In Estrie NCT00991549 | Université de Sherbrooke | N/A |
| Completed | Age, Lifestyle, Muscle Mechanisms in Insulin Resistance NCT00971594 | National Institute on Aging (NIA) | N/A |
| Completed | Metabolic Abnormalities in HIV Infected and Uninfected Young Women NCT00067587 | University of North Carolina, Chapel Hill | — |
| Completed | Metformin & Inflammation in Pre-diabetic Children NCT01394887 | Coordinación de Investigación en Salud, Mexico | Phase 2 / Phase 3 |
| Completed | C-reactive Protein and Endothelial Dysfunction in Women With Glucose Intolerance NCT00589355 | Yale University | — |
| Completed | Health Effects of Liposuction in Overweight Women With Elevated Insulin Levels, Impaired Glucose Tolerance and NCT00005760 | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | — |
| Completed | Exercise Training, Insulin Resistance and Coronary Artery Disease NCT00412815 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | Phase 3 |
| Completed | Diabetes Prevention Program NCT00004992 | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | Phase 3 |
| Completed | Lifestyle Interventions to Reduce Diabetes Risk NCT00006162 | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | N/A |
| Unknown | Diagnosis of Insulin Resistance: 13C-Glucose Breath Test Vs HOMA Index. NCT00264940 | Tel-Aviv Sourasky Medical Center | — |
| Unknown | Prevalence of Carbohydrate Intolerance in Lean and Obese Children NCT00000112 | National Center for Research Resources (NCRR) | — |