| Recruiting | Nutrition+: Effect of a High-Protein Diabetes Formula on Body Composition in Type 2 Diabetes Patients Treated Type 2 Diabetes | N/A | 2026-01-01 |
| Recruiting | Postnatal Exercise to Activate Baby's Brown Fat Childhood Obesity Prevention, Childhood Obesity, Physical Activity | N/A | 2025-12-01 |
| Recruiting | Exercise, Brain Activity, and Weight Maintenance Obesity, Weight Gain, Bariatric Surgery Candidate | N/A | 2025-09-15 |
| Recruiting | External Carotid Blood Flow in Individuals With Post-Bariatric Hypoglycemia Hypoglycemia, Cerebral Blood Flow | — | 2025-07-28 |
| Recruiting | Diabetes Body Project 2 Eating Disorders, Type 2 Diabetes | N/A | 2025-01-24 |
| Active Not Recruiting | Glucagon Dose-Response in Patients With Post-Bariatric Hypoglycemia Hypoglycemia, Hypoglycemia, Reactive, Bariatric Surgery | Phase 4 | 2024-11-26 |
| Recruiting | The PRECISION II Study: Evaluating the Accuracy of the LabPatch Glucose Sensing System Type 1 Diabetes Mellitus, Type 2 Diabetes Mellitus | — | 2023-02-03 |
| Completed | Deprescribing of Diabetes Regimens in Long Term Care Residents With Alzheimer's Diabetes, Dementia, Hypoglycemia; Drug | N/A | 2023-01-31 |
| Completed | The Effect of Physical Activity in Individuals With Post-bariatric Hypoglycemia Hypoglycemia, Roux-en-Y Gastric Bypass, Post-bariatric Hypoglycemia | N/A | 2023-01-03 |
| Unknown | Trial to Assess Continuous Glucose Monitoring in Asian Americans With Type 2 Diabetes Diabetes Mellitus, Type 2 | N/A | 2022-09-22 |
| Completed | Healthy And Positive Pathways for Young People With Type 1 Diabetes (HAPPY T1D) Type 1 Diabetes | N/A | 2022-07-26 |
| Active Not Recruiting | The REST Study for CGM Use in Older Adults With Insulin-treated Diabetes Diabetes Mellitus | N/A | 2022-04-20 |
| Completed | Continuous Glucose Monitoring (CGM) in Long Term Care (LTC) Facilities Diabetes, Hypoglycemia, Aging | — | 2022-01-19 |
| Completed | Oral Hypoglycemic Therapy for Monogenic Variant Carriers of the Joslin Medalist Study Type 1 Diabetes, Monogenic Diabetes | Phase 2 / Phase 3 | 2021-08-26 |
| Completed | Effects of a Single Bout of Exercise on Transcriptomics and Metabolomics in Adipose Tissue Obesity, Metabolic Complication | N/A | 2021-05-27 |
| Active Not Recruiting | Prevalence of NAFLD and Advanced Fibrosis in Patients With Type 1 Diabetes Nonalcoholic Fatty Liver, Nonalcoholic Steatohepatitis, Fibrosis, Liver | — | 2021-01-14 |
| Active Not Recruiting | Mechanisms of Hypoglycemia in Patients Without Diabetes Hypoglycemia | — | 2020-08-11 |
| Completed | Cognition in Patients With Hypoglycemia, Without Diabetes Hypoglycemia, Cognition | — | 2020-08-04 |
| Unknown | Mechanisms of Post-Bariatric Hypoglycemia Hypoglycemia | — | 2020-02-26 |
| Active Not Recruiting | Hypoglycemia and the Gut Microbiome Hypoglycemia | — | 2019-02-07 |
| Completed | Continuous Glucose Monitoring to Reduce Hypoglycemia and Improve Safety After Gastric Surgery Hypoglycemia, Reactive, Hypoglycemia | N/A | 2019-02-07 |
| Completed | Patient and Parent Preferences for an On-Body Automated Insulin Delivery System Diabetes Mellitus, Type 1 | — | 2018-08-23 |
| Completed | Mechanisms of Exercise Resistance in Metabolic Disease Impaired Glucose Tolerance | — | 2018-07-01 |
| Completed | Increasing Heart Healthy Behaviors in Youth With Type 1 Diabetes Type1diabetes, Cardiovascular Risk Factor | N/A | 2018-05-03 |
| Active Not Recruiting | Impact of Metabolic Health on Sperm Epigenetic Marks in Humans Overweight, Type 2 Diabetes Mellitus, Type 1 Diabetes Mellitus | N/A | 2018-05-01 |
| Completed | PERL Continuous Glucose Monitoring (CGM) Study Diabetic Nephropathies | — | 2017-10-01 |
| Completed | Closed-Loop Glucagon Pump for Treatment of Post-Bariatric Hypoglycemia Post-bariatric Hypoglycemia | Phase 1 / Phase 2 | 2017-09-19 |
| Completed | Effects of Cinnamon Supplementation on Glucose Metabolism in Patients With Pre-diabetes Dysglycemia, Obesity | Phase 2 | 2017-08-28 |
| Completed | Exercise Regulation of Human Adipose Tissue Healthy, Obese, Diabetes Mellitus, Type 2 | N/A | 2017-06-15 |
| Completed | Technological Advances in Glucose Management in Older Adults Type 1 Diabetes Mellitus, Older Adults, Hypoglycemia | N/A | 2017-03-30 |
| Completed | PRECISION Study: Evaluating the Accuracy of the LabPatch Continuous Glucose Monitor Type1 Diabetes Mellitus, Type 2 Diabetes Mellitus | — | 2017-02-17 |
| Completed | Investigation of Exercise Training-Induced Myokines and Adipolkines in Humans Healthy | N/A | 2016-12-15 |
| Completed | Insulin Dosing Practices in Persons With Diabetes on Multiple Daily Injections Diabetes, Medication Adherence, Technology | — | 2016-09-01 |
| Completed | Effect of Dairy Consumption on Glycemic Control, Body Weight and Cardiovascular Risk in Patients With Type 2 D Type 2 Diabetes | N/A | 2016-05-01 |
| Completed | Effect of Dairy Consumption on Glycemic Control, Body Weight and Cardiovascular Risk Factors Diabetes Mellitus, Type 2, Obesity | — | 2016-04-01 |
| Withdrawn | The Effect of add-on Canagliflozin in Patients With Type 2 Diabetes Treated With U-500 Insulin Diabetes, Obesity | Phase 4 | 2015-11-01 |
| Completed | The Effects of Exercise of Secreted Factors From Muscle and Adipose Tissue Healthy | N/A | 2015-10-01 |
| Completed | Use of Mobile-based Technologies to Improve Diabetes Self-management and Postprandial Glucose Control Type 1 Diabetes | N/A | 2015-09-01 |
| Completed | Impact of a Virtual Diabetes Self-Care and Education Program on Diabetes-related Outcomes in Latinos With T2 D Type 2 Diabetes Mellitus | N/A | 2015-06-01 |
| Completed | The Effect of 3 Different Models of MNT on DM Control in Overweight Patients With T2DM Type 2 Diabetes, Obesity | N/A | 2015-04-01 |
| Completed | Insulin Bolus Required for High Fat Foods in Type 1 Diabetes Type 1 Diabetes | N/A | 2014-09-01 |
| Completed | Diabetes-Specific Nutritional Formulas Versus Oatmeal Type 2 Diabetes Mellitus, Obesity | N/A | 2014-05-01 |
| Completed | OCT Screening for Diabetic Macular Edema at Primary Diabetes Care Visits Diabetes, Diabetic Macular Edema, Diabetic Retinopathy | N/A | 2014-03-17 |
| Completed | Metabolic Effects of Betaine Supplementation Obesity, Dysglycemia | Phase 2 | 2014-01-01 |
| Completed | Effect of Gain on Closed-Loop Insulin Type 1 Diabetes | N/A | 2013-12-01 |
| Completed | Optimizing Self-Management Adherence and Glycemic Control in Older Teens With Type 1 Diabetes: The Teenwork St Type 1 Diabetes | N/A | 2013-11-01 |
| Completed | Gluten Immunity and Islet Autoimmunity in Type-1 Diabetes Type 1 Diabetes, Celiac Disease | N/A | 2013-08-01 |
| Completed | Evaluation of Fats on Postprandial Glucose Control Type 1 Diabetes | N/A | 2013-06-01 |
| Terminated | Adopting a Physically Active Lifestyle Through Organized Walk Events Among Joslin Clinic Patients Diabetes, Physical Activity | N/A | 2013-04-01 |
| Completed | Evaluation of a Prototype Diabetes Management System Applied to Insulin Initiation and Titration Type II Diabetes | N/A | 2012-10-01 |
| Completed | Barriers to Adherence to Recommended Follow-up in Women With a History of Gestational Diabetes Gestational Diabetes Mellitus | N/A | 2012-06-01 |
| Completed | Evaluating the Effect of Diabetes Control Through Intensive Lifestyle Modifications on Diabetic Peripheral Neu Diabetic Polyneuropathy, Weight Loss | N/A | 2012-04-01 |
| Completed | Can Glucose Monitoring Improve (CGMi Study) Type 1 Diabetes | N/A | 2011-10-01 |
| Completed | Simplified Insulin Protocol Using Lantus in Elderly Diabetes | Phase 4 | 2011-06-01 |
| Completed | Blood/Interstitial Glucose Measurements and Cognitive Function During Hypoglycemia and Recovery Hypoglycemia | N/A | 2011-01-01 |
| Completed | Effect of Dietary Fat on Glycemic Control in Type 1 Diabetes Type 1 Diabetes | N/A | 2010-09-01 |
| Completed | Evaluation of Intra-Abdominal Fat in Patients With Type 2 Diabetes Using a Non-Invasive Method Obesity, Type 2 Diabetes, Metabolic Syndrome | — | 2010-08-01 |
| Completed | Pramlintide (Symlin) for the Treatment of Hypoglycemia Following Gastric Bypass Surgery Hypoglycemia, Evidence of Previous Gastric Surgery | Phase 4 | 2010-02-02 |
| Completed | Surgery or Lifestyle With Intensive Medical Management in the Treatment of Type 2 Diabetes Type 2 Diabetes Mellitus, Obesity | N/A | 2010-01-01 |
| Completed | Using Conversation Maps to Reinforce Self-Care Type 2 Diabetes | N/A | 2008-12-01 |
| Completed | Targeting Inflammation Using Salsalate for Type 2 Diabetes-Stage II Type 2 Diabetes Mellitus | Phase 2 / Phase 3 | 2008-11-01 |
| Completed | Targeting Inflammation Using Salsalate in CardioVascular Disease Coronary Artery Disease, Overweight | Phase 2 / Phase 3 | 2008-09-01 |
| Completed | Vitamin D and Coronary Calcification Study Chronic Kidney Disease, Vitamin D Deficiency, Coronary Calcification | Phase 4 | 2008-09-01 |
| Completed | Imaging Inflammation in Autoimmune Diabetes Diabetes Mellitus, Type 1 | — | 2007-09-01 |
| Completed | Identifying and Overcoming Barriers to Diabetes Management in the Elderly: A Cost-effective Intervention Study Diabetes | N/A | 2007-07-01 |
| Terminated | Glycemic Stability of Insulin Aspart Versus Insulin Lispro in Insulin Pump Therapy Type 1 Diabetes Mellitus | N/A | 2007-02-01 |
| Completed | Identifying and Overcoming Barriers to Diabetes Management in the Elderly: An Intervention Study Diabetes | N/A | 2006-11-01 |
| Completed | Targeting INflammation Using SALsalate in Type 2 Diabetes (TINSAL-T2D) Type 2 Diabetes | Phase 2 / Phase 3 | 2006-10-01 |
| Active Not Recruiting | Evaluating the Health Outcomes of the Joslin Why WAIT? Program Diabetes, Obesity | — | 2006-08-01 |
| Completed | The Effect of Exenatide Compared to Lantus Insulin on Vascular Function in Type 2 Diabetes Type 2 Diabetes Mellitus | Phase 4 | 2006-08-01 |
| Completed | Changes in Inflammatory State in Asian Americans Changing From Traditional Asian Diets to American Diet - a Pi Diabetes, Insulin Resistance, Inflammation | N/A | 2005-11-01 |
| Terminated | Feasibility Study of Digital Photography and Group Discussion for People With Diabetes Type 2 Diabetes | N/A | 2004-10-01 |
| Completed | The Study of Inflammation on Blood Glucose Levels in Obese People Obesity | Phase 2 | 2003-12-01 |
| Completed | Endothelial Function in Young Hispanic Adults at Risk for Type 2 Diabetes Obesity, Insulin Resistance | — | 2003-05-01 |
| Completed | Intensive Care Program for Youth With Diabetes Type 1 Diabetes | N/A | 2002-04-01 |
| Completed | Endothelial Function in Hispanic Children/Adolescents at Risk for Type 2 Diabetes Obesity, Insulin Resistance | — | 2001-05-01 |
| Completed | Effect of Salicylate on Glucose Metabolism in Insulin Resistance States Insulin Resistance | Phase 1 / Phase 2 | 2000-01-01 |
| Completed | Optimizing Adherence and Glycemia in Youth With New Insulin-dependent Diabetes Mellitus (IDDM) Type 1 Diabetes Mellitus | N/A | 1999-03-01 |
| Completed | Anti-Nephropathic Effects of Chronic Intermittent Intravenous Insulin Therapy (CIIIT) Diabetic Nephropathy, Diabetic Retinopathy | Phase 3 | 1993-01-01 |