112 completed, 30 unknown, 15 recruiting, 12 terminated. 91 Not applicable, 8 Phase 1, 6 Phase 4, 2 Phase 2, 2 Phase 3.
Follow Glucose Tolerance Test: new trials by email Literature Review of Glucose Tolerance Test trials Research Report on Glucose Tolerance Test
Tick up to 5 trials to compare them side by side (eligibility, arms, endpoints, adverse events) in a Literature Matrix.
| Trial | Phase | Status | Sponsor | Enrollment | Start | Updated |
|---|---|---|---|---|---|---|
| Pharmacogenetics of Response to Sitagliptin (PRS) Oral Glucose Tolerance Test - Diabetes | Phase 4 | Not yet recruiting | University of Maryland, Baltimore | 400 | 2026-12-01 | 2026-02-18 |
| Preoperative Oral Carbohydrate Loading in Patients With Type 2 Diabetes Undergoing Gastrointestinal Surgery Standard ERAS Fasting and Clear-Fluid Management, Oral Carbohydrate Loading, Intravenous Glucose - Type 2 Diabetes Mellitus (DM), Gastrointestinal Surgery | Not applicable | Not yet recruiting | The Affiliated Hospital of Qingdao University | 126 | 2026-10-01 | 2026-09-21 |
| Assessment of Metabolic Changes in Response to Glcuose Intake in Women With Polyendocrine Metabolic Ovarian Syndrome (PMOS) Oral Clucose Tolerance Test (oGTT) - PCOS (Polycystic Ovary Syndrome), Insulinemic Response | Not applicable | Not yet recruiting | University of Zurich | 40 | 2026-08-01 | 2026-07-07 |
| Repeat Late GDM Testing and Cesarean Delivery Rates Glucose tolerance test and continuous glucose monitor - Large for Gestational Age (LGA), Pregnancy | Not applicable | Not yet recruiting | Shauna F. Williams, MD | 144 | 2026-08-01 | 2026-07-16 |
| Diabetes In Asians at Risk in Youth Oral glucose tolerance test and HbA1c, Anthropometric measurements, Body impedance Analysis - Young Onset Asian Diabetes (Under 40 Years) | Not yet recruiting | Singapore General Hospital | 3000 | 2026-03-18 | 2026-03-05 | |
| Impact of Thyroid Hormones on Human Glucose and Energy Metabolism Oral Glucose Tolerance Test - Graves Disease, Thyroid Cancer | Not applicable | Recruiting | University of Ulm | 60 | 2026-02-04 | 2026-02-13 |
| tVNS, Motivation, and Insulin Sensitivity Transcutaneous non-invasive vagus nerve stimulation (tVNS), Sham stimulation, Oral glucose tolerance test (oGTT) - Major Depressive Disorder (MDD) | Not applicable | Recruiting | University of Bonn | 120 | 2025-10-10 | 2025-12-24 |
| Postprandial Glucose Handing in Contraceptive and IUD Users Oral Glucose Tolerance test (75g 2-hour) - Glucose Homeostasis | Recruiting | McMaster University | 54 | 2025-10-01 | 2025-09-22 | |
| Early Investigation of Glucose Monitoring After Gestational Diabetes Pilot Continuous glucose monitor, Oral Glucose Tolerance Test, Hemoglobin A1c - Gestational Diabetes, Hyperglycemia | Recruiting | Ohio State University | 20 | 2025-06-06 | 2026-10-16 | |
| Effect of Acute Protein Supplementation in Diabetic Patients Oral Glucose Tolerance test (75g 2-hour), Whey, House cricket - Diabetes Mellitus Type 2 | Not applicable | Completed | University of Malaya | 20 | 2025-06-01 | 2025-12-09 |
| Preventing T2DM After GDM With Immediate Postpartum Screening Glucose tolerance test (2 hour), Active Comparator - Gestational Diabetes, Type 2 Diabetes | Not applicable | Completed | University of Massachusetts, Worcester | 116 | 2025-06-01 | 2026-08-14 |
| Sarcopenia in Gestational Diabetes Sarcopenia tests (for muscle mass, muscle function, physical performance), Oral Glucose Tolerance Test, Montreal Cognitive Assessment - Sarcopenia, Gestational Diabetes Mellitus (GDM) | Recruiting | Istituto di Neuroscienze Consiglio Nazionale delle Ricerche | 200 | 2025-05-28 | 2025-11-21 | |
| Understanding Individual Variability in Neuronal Signal Transmission to Target Organs in Health and Disease Oral glucose tolerance test with double-tracer dilution and atropine infusion, Oral glucose tolerance test with double-tracer dilution and saline infusion (placebo) - Autonomic Function | Not applicable | Recruiting | University of Ulm | 52 | 2025-05-14 | 2025-07-10 |
| Elucidating Hepatic Metabolism in Non-alcoholic Fatty Liver Disease Ketoisocaproic acid breath test, Ammonium Chloride, Bicarbonate de sodium - Non-alcoholic Fatty Liver Disease (NAFLD) | Enrolling by invitation | Helsinki University Central Hospital | 30 | 2025-05-01 | 2025-04-24 | |
| Artificial Intelligence to Improve Cardiometabolic Risk Evaluation Using CT Scans Oral Glucose Tolerance Test - Pre-diabetes, Diabetes Mellitus | Not applicable | Not yet recruiting | Caristo Diagnostics Limited | 180 | 2025-02-15 | 2025-02-13 |
| Normal-weight Diabetes: Adipocyte-directed Therapy With Pioglitazone or Tirzepatide Insulin resistance testing, OGTT, Fat biopsy - Diabetes Mellitus, Type 2, Diabetes | Phase 4 | Recruiting | Stanford University | 104 | 2025-01-13 | 2026-04-20 |
| Jockey Club Precision Prevention Programme on Young Onset Diabetes Risk assessment with biogenetic and clinical test to predict diabetes risk, Oral glucose tolerance test (OGTT) and cardiovascular-kidney-metabolic (CKM) risk factors, Medication - Diabetes, Pre Diabetes | Not applicable | Recruiting | Juliana CN Chan | 9000 | 2024-11-23 | 2025-03-19 |
| Measuring Amino Acid and Glucose Metabolism in Healthy Volunteers and NAFLD Patients Using Total-body PET 18F-FDG (oral), 18F-FDG (intravenous), 18F-FET (oral) - Glucose Metabolism, NAFLD (Nonalcoholic Fatty Liver Disease) | Not applicable | Active not recruiting | Copenhagen University Hospital, Rigshospitalet | 36 | 2024-11-05 | 2026-02-02 |
| Relative Contribution of Brain Insulin Action for Postprandial Metabolism Oral glucose tolerance test with double-tracer dilution and intranasal insulin spray, Oral glucose tolerance test with double-tracer dilution and intranasal placebo spray - Glucose Metabolism Disorders | Not applicable | Active not recruiting | University of Ulm | 31 | 2024-03-18 | 2026-02-17 |
| Role of Insulin Action in Psoriasis Pathogenesis Oral glucose tolerance test (OGTT), Skin punch biopsy - Psoriasis, Plaque Psoriasis | Terminated | Columbia University | 10 | 2024-02-02 | 2026-02-17 |
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Diabetes Mellitus, Type 2 (36) · Diabetes Mellitus (35) · Obesity (28) · Insulin Resistance (27) · Diabetes, Gestational (23) · Glucose Intolerance (13) · Cystic Fibrosis (10) · Glucose Metabolism Disorders (8) · Non-alcoholic Fatty Liver Disease (8) · Prediabetic State (8) · Metabolic Syndrome (6) · Acromegaly (5) · Inflammation (5) · Diabetes Mellitus, Type 1 (4) · Metabolic Diseases (4)
University Hospital, Gentofte, Copenhagen (12) · Yale University (9) · Copenhagen University Hospital, Rigshospitalet (4) · Glostrup University Hospital, Copenhagen (4) · Massachusetts General Hospital (4) · Cedars-Sinai Medical Center (3) · University of Aarhus (3) · University of Copenhagen (3) · University of Texas Southwestern Medical Center (3) · University of Ulm (3) · Université de Sherbrooke (3) · Vanderbilt University Medical Center (3) · Washington University School of Medicine (3) · AdventHealth Translational Research Institute (2) · Columbia University (2)
United States (64) · Denmark (29) · Germany (10) · United Kingdom (10) · France (9) · China (6) · Canada (5) · Switzerland (4) · Austria (3) · Hong Kong (3) · Slovenia (3) · Turkey (Türkiye) (3) · Belgium (2) · Finland (2) · Israel (2)
Jean-Luc Ardilouze, MD, PhD (3) · Alexandra Kautzky-Willer, Univ.Prof.Dr. (2) · Dana S Hardin, MD (2) · Joshua R Cook, MD, PhD (2) · Martin Heni, MD (2) · Odelia Cooper, MD (2) · Sonia Caprio, MD (2) · Adeeb Khalifeh (1) · Adrian Vella, MD (1) · Alexandros Kokkinos, MD, PhD (1) · Alice Sherman-Brown, MD (1) · Amber L Beitelshees, PharmD, MPH (1) · Anders E Junker, MD, phd-student (1) · Andrej Janez, MD PhD (1) · Ania M Jastreboff, MD, PhD (1)
PMID 38035766, PMID 10459544, PMID 10480778, PMID 10690942, PMID 11124856, PMID 11297591, PMID 12081977, PMID 12106931, PMID 12962688, PMID 14578230, PMID 14668703, PMID 14736546, PMID 14763905, PMID 15047665, PMID 15234411, PMID 15339912, PMID 15385655, PMID 1551490, PMID 15632102, PMID 15735201, PMID 15855595, PMID 15908987, PMID 16046295, PMID 16118250, PMID 16282187, PMID 16785147, PMID 16799131, PMID 16803857, PMID 16894240, PMID 16968813, PMID 17003347, PMID 17090638, PMID 17130488, PMID 17268122, PMID 17531891, PMID 17595259, PMID 17630264, PMID 18057090, PMID 19141695, PMID 19183453, PMID 19557386, PMID 19754615, PMID 19808929, PMID 20003832, PMID 20040660, PMID 20053533, PMID 20103548, PMID 20169408, PMID 20547905, PMID 20587721
R01DK111038 (2), R01HD040787 (2), 2019 (1), K23HD097296 (1), K23MH114037 (1), P30DK020579 (1), R01DK091748 (1), R01DK131127 (1), R01HD028016 (1), R01HL163852 (1), R21HD097510 (1), R56DK129344 (1), U01GM074492 (1)