Clinical Trials

The purpose of this study is to identify immune mediated diabetes in patients treated with PD 1 inhibitors, and characterizing its clinical course, laboratory features and possible risk factors. 

The purpose of this study is to determine the longitudinal effect of diabetes-associated variation in TCF7L2 on a-cell function and the contribution of a-cell function to longitudinal glucose tolerance and EGP in non-diabetic subjects.  

The purpose of this study is to identify potentially modifiable barriers to hyperglycemia management in hospitalized diabetic patients. Both general hospitalized diabetic patients and first time renal transplant patients will be studied.

The purpose of this study is to establish a biobank of blood samples to study the relationship between diabetes mellitus and other pancreatic conditions.

The purpose of this study is to compare the effectiveness and safety of an automated insulin delivery (AID) study system using a Model Predictive Control (MPC) algorithm versus Sensor Augmented Pump (SAP) (which may or may not include PLGS; to be referred to as SAP) therapy in people with type 1 diabetes. A Pilot Phase involving up to 7 participants using the study system for 10-14 days will be conducted prior to the crossover trial.

The objectives of this study are to determine whether the InPen® alters the glycemic control and variability in adolescents and emerging adults with type 1 diabetes, and to determine if InPen® use alters the perceived burden of diabetes cares, diabetes distress scores, transition readiness scores, and parental experience of child illness scale (11-13).

The goal of this study is to determine the role of postprandial glucagon suppression and insulin secretion in the progression of glucose intolerance in people with diabetes-associated variation in TCF7L2.

The purpose of this study is to determine if a 6 month supply (1 meal//day) of healthy food choices readily available in the patients home and self management training including understanding how foods impact diabetes, improved food choices and how to prepare those foods, will improve glucose control, and if there will be lasting behavior change modification after the program.

The objective of this study is to gain understanding of how patients with diabetes mellitus (DM) dispose of hazardous waste items (e.g., needles, used glucometer strips, unused insulin) with the goal of providing education regarding safe practices

The goal of this study is to understand how and why insulin resistant individuals respond differently to exercise as compared with insulin sensitive individuals at the skeletal muscle and gene expression level.

The purpose of this study is to use the well-characterized Diabetes Control and Complications Trial (DCCT) cohort of 1,400 patients to determine the long-term effects of prior separation of glycemic levels on micro- and macrovascular outcomes.

The purpose of this study is to establish a cohort of new onset diabetes patients.

The purpose of this study is to determine if patient’s own Continuous Glucose Monitoring (CGMs) worn in the non-ICU hospital setting have adequate accuracy for blood glucose monitoring when compared to point-of-care capillary glucose measurement, and to determine if alerts given by CGMs worn in the non-ICU hospital would prevent episodes of hyperglycemia and hypoglycemia.

The obectives of this study are to identify insulin resistance (IR)-specific chromatin signatures in mature adipocytes and myotubes, and to identify IR-specific chromatin signatures in progenitor cells from adipose tissue (AT) and skeletal muscle (SM).

Patients age 25 to 75 who are in the care of one of the primary care physicians at Mayo Clinic in Jacksonville, Florida or Montage Health in Monterey, California and have a recent HbA1c in the range of 7.5% to 13% will be prospectively identified and eligible for participation in this randomized, crossover clinical trial examining the effect of medically tailored meal delivery on glycemic control. Eligible patients who sign informed consent will be randomized in a 1:1 fashion to treatment sequence AB or treatment sequence BA.  In the first study phase, participants randomized to sequence AB will receive 3 ...

The purpose of this study is to demonstrate that a morning injection of Toujeo compared to Lantus will provide better glycemic control, as shown  by Continuous Glucose Monitoring (CGM), in adult patients with type 1 diabetes mellitus.

The purpose of this study is to identify changes to the metabolome (range of chemicals produced in the body) and microbiome (intestine microbe environment) that are unique to Roux-en-Y gastric bypass surgery and assess the associated effect on the metabolism of patients with type 2 diabetes.

The purpose of this study is to evaluate the impact of a digital storytelling intervention derived through a community-based participatory research (CBPR) approach on type 2 diabetes mellitus (T2D) outcomes among Hispanic adults with poorly controlled type 2 diabetes mellitus (T2D) in primary care settings through a randomized clinical trial.

The purpose of  this study is to learn more about if the medication, Entresto, could help the function of the heart and kidneys.

The purpose of this study is to assess the impact of a whole food plant-based diet on blood sugar control in diabetic patients versus a control group on the American Diabetics Association diet before having a total hip, knee, or shoulder replacement surgery.

The purpose of this study is to identify risk factors for ICI associated diabetes mellitus and to assess the severity and natural course of this immune related adverse effect.

This study is being done to understand metformin's mechanisms of action regarding glucose production, protein metabolism, and mitochondrial function.

The primary aim of this study is to compare the outcome measures of adult ECH type 2 diabetes patients who were referred to onsite pharmacist services for management of their diabetes to similar patients who were not referred for pharmacy service management of their diabetes. A secondary aim of the study is to assess the Kasson providers’ satisfaction level and estimated pharmacy service referral frequency to their patients. A tertiary aim of the study is to compare the hospitalization rates of type 2 diabetes rates who were referred to onsite pharmacist services for management of their diabetes to similar patients ...

To explore the feasibility of conducting a family centered wellness coaching program for patients at high risk for developing diabetes, in a primary care setting.

1. To determine engagement patterns.

2. To describe characteristics of families who are likely to participate.

3. To identify barriers/limitations to family centered wellness coaching.

   To assess whether a family centered 8 week wellness coaching intervention for primary care patients at high risk for diabetes will improve self-care behaviors as measured by self-reported changes in physical activity level and food choices.

The purpose of this study is to assess the effectiveness of Revita® DMR for improving HbA1c to ≤ 7% without the need of insulin in subjects with T2D compared to sham and to assess the effectiveness of DMR versus Sham on improvement in Glycemic, Hepatic and Cardiovascular endpoints.

This study will evaluate whether bile acids are able to increase insulin sensitivity and enhance glycemic control in T2DM patients, as well as exploring the mechanisms that enhance glycemic control. These observations will provide the preliminary data for proposing future therapeutic as well as further mechanistic studies of the role of bile acids in the control of glycemia in T2DM.

The purpose of this study is to evaluate 6 weeks of home use of the Control-IQ automated insulin delivery system in individuals with type 2 diabetes.

The purpose of this study is to determine if Inpatient Stress Hyperglycemia is an indicator of future risk of developing type 2 Diabetes Mellitus.

The purpose of this study is to collect blood samples for biomarker assessment in type 1 diabetes prior to and at specific time points during closed loop control.

The GRADE Study is a pragmatic, unmasked clinical trial that will compare commonly used diabetes medications, when combined with metformin, on glycemia-lowering effectiveness and patient-centered outcomes.

The purpose of this study is to assess whether psyllium is more effective in lowering fasting blood sugar and HbA1c, and to evaluate the effect of psyllium compared to wheat dextrin on the following laboratory markers:  LDL-C, inflammatory markers such as ceramides and hsCRP, and branch chain amino acids which predict Diabetes Mellitus (DM).

The purpose of this study is to assess the effectiveness of a digital storytelling intervention derived through a community based participatory research (CBPR) approach on self-management of type 2 diabetes (T2D) among Somali adults. 

The overall goal of this proposal is to determine the effects of acute hyperglycemia and its modulation by Glucagon-like Peptide-1 (GLP-1) on myocardial perfusion in type 2 diabetes (DM). This study plan utilizes myocardial contrast echocardiography (MCE) to explore a) the effects of acute hyperglycemia on myocardial perfusion and coronary flow reserve in individuals with and without DM; and b) the effects of GLP-1 on myocardial perfusion and coronary flow reserve during euglycemia and hyperglycemia in DM. The investigators will recruit individuals with and without DM matched for age, gender and degree of obesity. The investigators will measure myocardial perfusion ...

The purpose of this study is to determine the effect of endogenous GLP-1 secretion on islet function in people with Typr 2 Diabetes Mellitus (T2DM).

GLP-1 is a hormone made by the body that promotes the production of insulin in response to eating. However, there is increasing evidence that this hormone might help support the body’s ability to produce insulin when diabetes develops. 

The purpose of this study is to test the hypothesis that patients with T2DM will have greater deterioration in BMSi and in cortical porosity over 3 yrs as compared to sex- and age-matched non-diabetic controls; and identify the circulating hormonal (e.g., estradiol [E2], testosterone [T]) and biochemical (e.g., bone turnover markers, AGEs) determinants of changes in these key parameters of bone quality, and evaluate the possible relationship between existing diabetic complications and skeletal deterioration over time in the T2DM patients.

The purpose of this study is to serve as a comparator group to a group of patients that will be managed with AP for varying periods of time during pregnancy.

Hypothesis: Increased contact with the diabetes care team throughout pregnancy will lead to improved glucose control during pregnancy.

The purpose of this study is to use the USS Virginia Closed-Loop system for overnight insulin delivery in adults with Type 1 Diabetes (T1DM) in an outpatient setting to evaluate the system's ability to significantly improve blood glucose levels. This protocol will test the feasibility of "bedside" closed-loop control - an approach comprised of standard sensor-augmented pump therapy during the day using off-the-shelf devices and overnight closed-loop control using experimental devices in an outpatient setting. The rationale for this study is as follows: we anticipate that closed-loop control may ultimately be adopted by patients with T1DM in a selective manner. ...

This observational study is conducted to determine how the duodenal layer thicknesses (mucosa, submucosa, and muscularis) vary with several factors in patients with and without type 2 diabetes.

The objective of this study is to evaluate the EWIS in patients with type 1 diabetes on insulin pump therapy.

This study is a multi-center, non-randomized, prospective single arm study with type 1 patients with diabetes on insulin pump therapy with Continuous Glucose Monitoring (CGM).

A total of up to 300 subjects will be enrolled at up to 20 investigational centers in the US in order to have 240 subjects meeting eligibility criteria. Each subject will wear their own MiniMed™ 670G insulin system. Each subject will be given 12 infusion sets to wear (each infusion set for at least 174 hours, or ...

The purpose of this research is to test the safety and effectiveness of the interoperable Artificial Pancreas System Smartphone App (iAPS) in managing blood sugars in pregnant patients with type 1 diabetes.

The overall objective of this study is to perform baseline and repeat assessments over time of the metabolic and immunologic status of individuals at risk for type 1 diabetes (T1D) to:

• characterize their risk for developing T1D and identify subjects eligible for prevention trials;
• describe the pathogenic evolution of T1D; and
• increase the understanding of the pathogenic factors involved in the development of T1D.

The purpose of this study is to assess penile length pre- and post-completion of RestoreX® traction therapy compared to control groups (no treatment) among men with type II diabetes.

This mixed methods study aims to answer the question: "What is the work of being a patient with type 2 diabetes mellitus?" .

This trial is a multi-center, adaptive, randomized, double-blind, placebo- and active- controlled, parallel group, phase 2 study in subjects with Type 2 Diabetes Mellitus to evaluate the effect of TTP399 on HbA1c following administration for 6 months.

The objective of this early feasibility study is to assess the feasibility and preliminary safety of the Endogenex Divice for endoscopic duodenal mucosal regeneration in patients with type 2 diabetes (T2D) inadequately controlled on 2-3 non-insulin glucose-lowering medications. 

The purpose of this study is to find the inheritable changes in genetic makeup that are related to the development of type 2 diabetes in Latino families.

Our goal in this pilot study is to test and develop a novel method that will accurately measure, in vivo, glucagon kinetics in healthy humans and generate preliminary data in type 1 diabetes (T1DM) subjects under overnight fasted conditions.

This study will test the efficacy of BKR-017 (colon-targeted 500 mg butyrate tablets) on insulin sensitivity, glucose control and triglycerides in type-1 diabetes subjects.

This clinical trial will identify exercise-related and emotional stress related effects on glycemic control in patients with type 1 diabetes using sensor-augmented pump (SAP) therapy.

The purpose of this study is to find the inheritable changes in genetic makeup that are related to the development of type 2 diabetes in Latino families.

The purpose of this study is to assess the glycemic variability in patients with complex diabetes admitted in the hospital using a glycemic sensor.

The purpose of this research is to create a single registry for type 1 and type 2 diabetes at Mayo Rochester and affiliated Mayo sites.

The purpose of this study is to assess a novel informatics approach that incorporates the use of patient’s diabetes self-care data into the design and delivery of individualized education interventions to improve diabetes control.

The purpose of this study is to evaluate if breathing pure oxygen overnight affects insulin sensitivity in participants with diabetes. 
 

The purpose of this study is to determine the impact of patient decision aids compared to usual care on measures of patient involvement in decision-making, diabetes care processes, medication adherence, glycemic and cardiovascular risk factor control, and use of resources in nonurban practices in the Midwestern United States.

The study purpose is to understand patients’ with the diagnosis of Diabetes Mellitus type 1 or 2 perception of the care they receive in the Diabetes clinic or Diabetes technology clinic at Mayo Clinic and to explore and to identify the healthcare system components patients consider important to be part of the comprehensive regenerative care in the clinical setting.

However, before we can implement structural changes or design interventions to promote comprehensive regenerative care in clinical practice, we first need to characterize those regenerative practices occurring today, patients expectations, perceptions and experiences about comprehensive regenerative care and determine the ...

The purpose of this study is to understand nighttime glucose regulation in humans and find if the pattern is different in people with Type 2 diabetes

The multi-purpose of this study is to examine the effectiveness of “InsulisiteGuider” in patients with type 1 diabetes (T1D) through a two-group randomized controlled trial, to characterize the RNA biomarkers in skin epithelial cells isolated from the continuous subcutaneous insulin infusion (CSII) cannulas from T1D patients, and to characterize RNA biomarkers in the blood and saliva of TID patients.

The purpose of this study is to estimate the risk of diabetes related complications after total pancreatectomy.  We will contact long term survivors after total pancreatectomy to obtain data regarding diabetes related end organ complications.

Can QBSAfe be implemented in a clinical practice setting and improve quality of life, reduce treatment burden and hypoglycemia among older, complex patients with type 2 diabetes?

Questionnaire administered to diabetic patients in primary care practice (La Crosse Mayo Family Medicine Residency /Family Health Clinic) to assess patient’s diabetic knowledge. Retrospective chart review will also be done to assess objective diabetic control based on most recent hemoglobin A1c.    

The purpose of this study is to evaluate the dose-dependent effects of TAK-954 on gastric emptying time of solids in participants with diabetic or idiopathic gastroparesis assessed by scintigraphy.

This purpose of this study is to determine if activation of a person's immune system in the small intestine could be a contributing cause of Type 1 Diabetes.

It is unknown how patient preferences and values impact the comparative effectiveness of second-line medications for Type 2 diabetes (T2D). The purpose of this study is to elicit patient preferences toward various treatment outcomes (e.g., hospitalization, kidney disease) using a participatory ranking exercise, use these rankings to generate individually weighted composite outcomes, and estimate patient-centered treatment effects of four different second-line T2D medications that reflect the patient's value for each outcome. 

The purpose of this mixed-methods study is to deploy the tenets of Health and Wellness Coaching (HWC) through a program called BeWell360 model, tailored to the needs of Healthcare Workers (HCWs) as patients living with poorly-controlled Type 2 Diabetes (T2D). The objective of this study is to pilot-test this novel, scalable, and sustainable BeWell360 model that is embedded and integrated as part of primary care for Mayo Clinic Employees within Mayo Clinic Florida who are identified as patients li)ving with poorly-controlled T2D. 

The purpose of this project is to collect data over the first year of clinical use of the FDA approved 670G closed loop insulin delivery system among patients with type 1 diabetes. The goal is to evaluate how this newly approved system impacts both clinical and patient-reported outcomes.

This study is being done to determine the roles that several molecules play in the repair of injured cells that line your blood vessels.

Exendin-(9,39) has been shown to have effects on beta-cell function, and after gastric bypass, to accelerate gastrointestinal transit. - infused at rates of 300pmol/kg/min. Given that gastrointestinal transit is typically delayed by Glucagon-Like Peptide-1 (GLP-1) and also that this hormone causes decreased food intake through increased satiation, it is reasonable to expect an effect of Exendin-9,39 on appetite. This may help explain the effects of gastric bypass on food intake. To examine the effect of Exendin on food intake we propose a dose-response study to determine whether the compound has effects in a dose-dependent fashion. We will examine the presence ...

The purpose of this study is to assess the effectiveness and safety of treatment with various dose levels of TAK-906 in adult participants with gastroparesis compared with placebo during 12 weeks of treatment.

Muscle insulin resistance is a hallmark of upper body obesity (UBO) and Type 2 diabetes (T2DM). It is unknown whether muscle free fatty acid (FFA) availability or intramyocellular fatty acid trafficking is responsible for muscle insulin resistance, although it has been shown that raising FFA with Intralipid can cause muscle insulin resistance within 4 hours. We do not understand to what extent the incorporation of FFA into ceramides or diacylglycerols (DG) affect insulin signaling and muscle glucose uptake. We propose to alter the profile and concentrations of FFA of healthy, non-obese adults using an overnight, intra-duodenal palm oil infusion vs. ...

The objectives of this study are to identify circulating extracellular vesicle (EV)-derived protein and RNA signatures associated with Type 2 Diabetes (T2D), and to identify changes in circulating EV cargo in patients whose T2D resolves after sleeve gastrectomy (SG) or Roux-en-Y gastric bypass (RYGB).

The study is being done to find out if low blood sugar (hypoglycemia) can be reduced in people with type 1 diabetes (T1D) 65 years and older with use of automated insulin delivery (AID) system.

The device systems used in this study are approved by the Food and Drug Administration (FDA) for diabetes management. We will be collecting data about how they are used, how well they work, and how safe they are.

The purpose of this trial is to assess the performance of an Artificial Pancreas (AP) device using the Portable Artificial Pancreas System (pAPS) platform for subjects with type 1 diabetes using an insulin pump and rapid acting insulin. This proposed study is designed to compare closed-loop control with or without optimization of initialization parameters related to basal insulin infusion rates and insulin to carbohydrate (I:C) ratios for meals and snacks. The study consists of an evaluation of the Artificial Pancreas device system during two 24-27.5-hour closed-loop phases in an outpatient/hotel environment. Prior to the closed-loop phases, each subject will undergo ...

The purpose of this study is to gather preliminary data to better understand acute effects of exercise on glucose metabolism. We will address if subjects with Type 1 Diabetes (T1D) are more insulin sensitive during and following a short bout of exercise compared to healthy controls. We will also determine insulin dependent and insulin independent effects on exercise in people with and without type 1 diabetes.

The purpose of this study is to compare the effectiveness and safety of an automated insulin delivery (AID) system using a model predictive control (MPC) algorithm versus Sensor-Augmented Pump/Predictive Low Glucose Suspend (SAP/PLGS) therapy with different stress assessments over a 4-week period.

The investigators will determine whether people with high muscle mitochondrial capacity produce higher amount of reactive oxygen species (ROS) on consuming high fat /high glycemic diet and thus exhibit elevated cellular oxidative damage. The investigators previously found that Asian Indian immigrants have high mitochondrial capacity in spite of severe insulin resistance. Somalians are another new immigrant population with rapidly increasing prevalence of diabetes. Both of these groups traditionally consume low caloric density diets, and the investigators hypothesize that when these groups are exposed to high-calorie Western diets, they exhibit increased oxidative stress, oxidative damage, and insulin resistance. The investigators will ...

The purpose of this study is to retrospectively and prospectively compare maternal and fetal/newborn clinical outcomes in age-matched pregnant patients with T1D and healthy controls and to assess the relationship between glycemic variability and pregnancy outcomes in the current era.

The purpose of this research is to find out how genetic variations in GLP1R, alters insulin secretion, in the fasting state and when blood sugars levels are elevated. Results from this study may help us identify therapies to prevent or reverse type 2 diabetes mellitus.

The objective for thisstudy is to characterize the impact of glycemic excursions on cognition in Type 1 Diabetes (T1D) and determine mediators and moderators of this relationship. This study will allow us to determine how glycemic excursions impact cognition, as well as to identify mediators and moderators of this relationship that could lead to novel interventions.

This study aims to identify an early stage biomarker for type 1 diabetes. In vitro evidence identified a significant enrichment of the chemokine CXCL10 in β-cell derived EXO upon exposure to diabetogenic pro-inflammatory cytokines. The study also aims to test protocols for efficient isolation of plasma-derived EXO from small volumes of sample, develop an assay for the sensitive detection of CXCL10 in plasma-derived EXO, and characterization of plasma-derived EXO through assessment of concentration, size, and content (proteomics).

The primary goal of this study protocol is to determine the candidate ratio of pramlintide and insulin co-infusion in individuals with type 1 diabetes (T1DM) to enable stable glucose control during the overnight post-absorptive and in the postprandial periods.

The study is designed to understand the confidence and competence level of patients with type 1 diabetes mellitus in their ability to make changes to their insulin pump.

To understand why patients with indigestion with or without diabetes have gastrointestinal symptoms and in particular to understand where the symptoms are related to increased sensitivity to nutrients.

To determine if the EndoBarrier safely and effectively improves glycemic control in obese subjects with type 2 diabetes.

This research study is being done to develop educational materials that will help patients and clinicians talk about diabetes treatment and management options.

The purpose of this study is to compare the rate of progression from prediabetes at 4 months to frank diabetes at 12 months (as defined by increase in HbA1C or fasting BS to diabetic range based on the ADA criteria) after transplantation in kidney transplant recipients on Exenatide SR + SOC vs. standard-of-care alone.

The primary objective of this study is to determine if continuous glucose monitoring (CGM) can reduce hypoglycemia and improve quality of life in older adults with type 1 diabetes (T1D).

The purpose of this study is to evaluate whether or not a 6 month supply (1 meal//day) of healthy food choices readily available in the patient's home and self management training including understanding of how foods impact diabetes, improved food choices and how to prepare those foods, improve glucose control.  In addition, it will evaluate whether or not there will be lasting behavior change modification after the program.

The purpose of this study evaluates a subset of people with isolated Impaired Fasting Glucose with Normal Glucose Tolerance (i.e., IFG/NGT) believed to have normal β-cell function in response to a glucose challenge, suggesting that – at least in this subset of prediabetes – fasting glucose is regulated independently of glucose in the postprandial period. To some extent this is borne out by genetic association studies which have identified loci that affect fasting glucose but not glucose tolerance and vice-versa.

This study is designed to compare an intensive lifestyle and activity coaching program ("Sessions") to usual care for diabetic patients who are sedentary. The question to be answered is whether the Sessions program improves clinical or patient centric outcomes. Recruitment is through invitiation only.

The purpose of this study is to evaluate the effects of improving glycemic control, and/or reducing glycemic variability on gastric emptying, intestinal barrier function, autonomic nerve functions, and epigenetic changes in subjects with type 1 diabetes mellitus (T1DM) and  type 2 diabetes mellitus (T2DM) who are switched to intensive insulin therapy as part of clinical practice.

Increased accumulation of fat into the muscles is associated with what is called insulin-resistant state, which is a pre-diabetic state. The purpose of this research is to find out how fat circulating in the blood following fat consumption is taken up by the muscles in healthy people as well as people that are insulin-resistant. The investigators are specifically interested in how a hormone called insulin is involved in this process. Findings from this research will contribute to our understanding of why insulin-resistant people have increased accumulation of fat in their muscles, and ultimately help to design appropriate interventions to prevent ...

The purpose of this study is to learn more about how the body stores dietary fat. Medical research has shown that fat stored in different parts of the body can affect the risk for diabetes, heart disease and other major health conditions.

The purpose of this study is to see why the ability of fat cells to respond to insulin is different depending on body shape and how fat tissue inflammation is involved.

The purpose of this study is to determine the mechanism(s) by which common bariatric surgical procedures alter carbohydrate metabolism. Understanding these mechanisms may ultimately lead to the development of new interventions for the prevention and treatment of type 2 diabetes and obesity.

The purpose of this study is to investigate if a blood test measuring copeptin within 24 hours following pituitary surgery could predict development of diabetes insipidus (increased urination and thirst with fluid balance problems) as opposed to the clinical methods we currently use.

The purpose of this study is to test whether markers of cellular aging and the SASP are elevated in subjects with obesity and further increased in patients with obesity and Type 2 Diabetes Mellitus (T2DM) and to relate markers of cellular aging (senescence) and the SASP to skeletal parameters (DXA, HRpQCT, bone turnover markers) in each of these groups.

Integration of Diabetes Prevention Program (DPP) and Diabetes Self Management Program (DSMP) into WellConnect.

The purpose of this study is to determine the metabolic effects of Colesevelam, particularly for the ability to lower blood sugar after a meal in type 2 diabetics, in order to develop a better understanding of it's potential role in the treatment of obesity.

Integration of Diabetes Prevention Program (DPP) and Diabetes Self Management Program (DSMP) into WellConnect.

The purpose of this study is to determine the metabolic effects of Colesevelam, particularly for the ability to lower blood sugar after a meal in type 2 diabetics, in order to develop a better understanding of it's potential role in the treatment of obesity.

The purpose of this study is to determine the changes in tissue function that occur in the first year postpartum in women with and without gestational diabetes mellitus.

Muscle insulin resistance is a hallmark of upper body obesity (UBO) and Type 2 diabetes (T2DM). It is unknown whether muscle free fatty acid (FFA) availability or intramyocellular fatty acid trafficking is responsible for the abnormal response to insulin. Likewise, we do not understand to what extent the incorporation of FFA into ceramides or diacylglycerols (DG) affect insulin signaling and muscle glucose uptake. We will measure muscle FFA storage into intramyocellular triglyceride, intramyocellular fatty acid trafficking, activation of the insulin signaling pathway and glucose disposal rates under both saline control (high overnight FFA) and after an overnight infusion of intravenous ...

The purpose of this study is to improve our understanding of why gastrointestinal symptoms occur in diabetes mellitus patients and identify new treatment(s) in the future.  

These symptoms are often distressing and may impair glycemic control. We do not understand how diabetes mellitus affects the GI tracy. In 45 patients undergoing sleeve gastrectomy, we plan to compare the cellular composition of circulating peripheral mononuclear cells, stomach immune cells, and interstitial cells of Cajal in the stomach. 

The goal of this study is to evaluate the presence of podocytes (special cells in the kidney that prevent protein loss) in the urine in patients with diabetes or glomerulonephritis (inflammation in the kidneys). Loss of podocyte in the urine may be an earlier sign of kidney injury (before protein loss) and the goal of this study is to evaluate the association between protein in the urine and podocytes in the urine.

Muscle insulin resistance is a hallmark of upper body obesity (UBO) and Type 2 diabetes (T2DM), whereas lower body obesity (LBO) is characterized by near-normal insulin sensitivity. It is unknown whether muscle free fatty acid (FFA) availability or intramyocellular fatty acid trafficking differs between different obesity phenotypes. Likewise, we do not understand to what extent the incorporation of FFA into ceramides or diacylglycerols (DG) affect insulin signaling and muscle glucose uptake. By measuring muscle FFA storage into intramyocellular triglyceride, intramyocellular fatty acid trafficking, activation of the insulin signaling pathway and glucose disposal rates we will provide the first integrated examination ...

The purpose of this study is assess the feasibility, effectiveness, and acceptability of Diabetes-REM (Rescue, Engagement, and Management), a comprehensive community paramedic (CP) program to improve diabetes self-management among adults in Southeast Minnesota (SEMN) treated for servere hypoglycemia by the Mayo Clinic Ambulance Services (MCAS).

The objective of the study is to assess efficacy and safety of a closed loop system (t:slim X2 with Control-IQ Technology) in a large randomized controlled trial.

Using stem cell derived intestinal epithelial cultures (enteroids) derived from obese (BMI> 30) patients and non-obese and metabolically normal patients (either post-bariatric surgery (BS) or BS-naïve with BMI < 25), dietary glucose absorption was measured. We identified that enteroids from obese patients were characterized by glucose hyper-absorption (~ 5 fold) compared to non-obese patients. Significant upregulation of major intestinal sugar transporters, including SGLT1, GLU2 and GLUT5 was responsible for hyper-absorptive phenotype and their pharmacologic inhibition significantly decreased glucose absorption. Importantly, we observed that enteroids from post-BS non-obese patients exhibited low dietary glucose absorption, indicating that altered glucose absorption ...

The purpose of this study is to evaluate the effectiveness and safety of brolucizumab vs. aflibercept in the treatment of patients with visual impairment due to diabetic macular edema (DME).

The purpose of this study is to determine if a blood test called "pancreatic polypeptide" can help distinguish between patients with diabetes mellitus with and without pancreatic cancer.

The purpose of this study is to create a prospective cohort of subjects with increased probability of being diagnosed with pancreatic cancer and then screen this cohort for pancreatic cancer

The purpose of this study is to develop a better blood test to diagnose early kidney injury in type 1 diabetes.

The purpose of this study is to demonstrate feasibility of dynamic 11C-ER176 PET imaging to identify macrophage-driven immune dysregulation in gastric muscle of patients with DG. Non-invasive quantitative assessment with PET can significantly add to our diagnostic armamentarium for patients with diabetic gastroenteropathy.

What are the effects of transient insulin deprivation on brain structure, blood flow, mitochondrial function, and cognitive function in T1DM patients? What are the effects of transient insulin deprivation on circulating exosomes and metabolites in T1DM patients?

Although vitreous hemorrhage (VH) from proliferative diabetic retinopathy (PDR) can cause acute and dramatic vision loss for patients with diabetes, there is no current, evidence-based clinical guidance as to what treatment method is most likely to provide the best visual outcomes once intervention is desired. Intravitreous anti-vascular endothelial growth factor (anti-VEGF) therapy alone or vitrectomy combined with intraoperative PRP each provide the opportunity to stabilize or regress retinal neovascularization. However, clinical trials are lacking to elucidate the relative time frame of visual recovery or final visual outcome in prompt vitrectomy compared with initial anti-VEGF treatment. The Diabetic Retinopathy Clinical Research ...

The purpose of this study is to evaluate the effects of multiple dose regimens of RM-131 on vomiting episodes, stomach emptying and stomach paralysis symptoms in patients with Type 1 and Type 2 diabetes and gastroparesis.

The purpose of this study is to identify novel genetic variants that predispose to Type 1 Diabetes.

The purpose of this study is to demonstrate the safety and effectiveness of the Hybrid Closed Loop system (HCL) in adult and pediatric patients with type 1 diabetes in the home setting. A diverse population of patients with type 1 diabetes will be studied. The study population will have a large range for duration of diabetes and glycemic control, as measured by glycosylated hemoglobin (A1C). They will be enrolled in the study regardless of their prior diabetes regimen, including using Multiple Daily Injections (MDI), Continuous Subcutaneous Insulin Infusion (CSII) or Sensor-Augmented Pump therapy (SAP)

The purpose of this study is to evaluate the safety of utilizing insulin lispro-aabc in the MiniMed™ 780G System to support product and system labeling.

The purpose of this 3-month extension study (DCLP3 Extension) following a primary trial (DCLP3 or NCT03563313) to assess effectiveness and safety of a closed loop system (t:slim X2 with Control-IQ Technology) in a large randomized controlled trial.

The goal of this work is to identify an early stage biomarker for type 1 diabetes. In vitro evidence using rodent models has identified a significant enrichment of the chemokine CXCL10 in β-cell derived sEV upon exposure to diabetogenic pro-inflammatory cytokines. The aims of this project will focus on 1) testing protocols for efficient isolation of plasma-derived sEV from small volumes of sample, 2) development of an assay for the sensitive detection of CXCL10 in plasma-derived sEV, and 3) characterization of plasma-derived sEV through assessment of concentration, size, and content (proteomics). The study plans to include children that ...

The objective of the study is to assess the efficacy and safety of home use of a Control-to-Range (CTR) closed-loop (CL) system.

The purpose of this study is to assess key characteristics of bone quality, specifically material strength and porosity, in patients who have type 2 diabetes. These patients are at an unexplained increased risk for fractures and there is an urgent need to refine clinical assessment for this risk.

The purpose of this study is to track the treatment burden experienced by patients living with Type 2 Diabetes Mellitus (T2DM) experience as they work to manage their illness in the context of social distancing measures. 

To promote social distancing during the COVID-19 pandemic, health care institutions around the world have rapidly expanded their use of telemedicine to replace in-office appointments where possible.1 For patients with diabetes, who spend considerable time and energy engaging with various components of the health care system,2,3 this unexpected and abrupt transition to virtual health care may signal significant changes to ...

The primary purpose of this study is to prospectively assess symptoms of bloating (severity, prevalence) in patients with diabetic gastroparesis.

The purpose of this study is to assess the safety and tolerability of intra-arterially delivered mesenchymal stem/stromal cells (MSC) to a single kidney in one of two fixed doses at two time points in patients with progressive diabetic kidney disease. 

Diabetic kidney disease, also known as diabetic nephropathy, is the most common cause of chronic kidney disease and end-stage kidney failure requiring dialysis or kidney transplantation.  Regenerative, cell-based therapy applying MSCs holds promise to delay the progression of kidney disease in individuals with diabetes mellitus.  Our clinical trial will use MSCs processed from each study participant to test the ...

This study aims to measure the percentage of time spent in hyperglycemia in patients on insulin therapy and evaluate diabetes related patient reported outcomes in kidney transplant recipients with type 2 diabetes. It also aimes to evaluate immunosuppression related patient reported outcomes in kidney transplant recipients with type 2 diabetes.

The purpose of this study is to look at how participants' daily life is affected by their heart failure. The study will also look at the change in participants' body weight. This study will compare the effect of semaglutide (a new medicine) compared to "dummy" medicine on body weight and heart failure symptoms. Participants will either get semaglutide or "dummy" medicine, which treatment participants get is decided by chance. Participants will need to take 1 injection once a week. 

The purpose of this study is to evaluate whether or not semaglutide can slow down the growth and worsening of chronic kidney disease in people with type 2 diabetes. Participants will receive semaglutide (active medicine) or placebo ('dummy medicine'). This is known as participants' study medicine - which treatment participants get is decided by chance. Semaglutide is a medicine, doctors can prescribe in some countries for the treatment of type 2 diabetes. Participants will get the study medicine in a pen. Participants will use the pen to inject the medicine in a skin fold once a week. The study will close when ...

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, and exploratory effectiveness of nimacimab in patients with diabetic gastroparesis.

The purpose of this study is to understand why patients with indigestion, with or without diabetes, have gastrointestinal symptoms and, in particular, to understand where the symptoms are related to increased sensitivity to nutrients.Subsequently, look at the effects of Ondansetron on these patients' symptoms.

The objectives of this study are to evaluate the safety of IW-9179 in patients with diabetic gastroparesis (DGP) and the effect of treatment on the cardinal symptoms of DGP.

Diabetics are at risk for invasive pneumococcal infections and are more likely to have severe outcomes with infection compared to the general population. The pneumococcal (PPSV23) vaccination is recommended for all people with type 1 diabetes, but whether the vaccine is beneficial for this population has not been established.  The purpose of this study is to determine if children with type 1 diabetes have adequate immune response to the PPSV23 vaccination and to assess factors affecting immune response through a pre and post vaccination blood sample.

The purpose of this study is to prospectively assemble a cohort of subjects >50 and ≤85 years of age with New-onset Diabetes (NOD):

• Estimate the probability of pancreatic ductal adenocarcinoma (PDAC) in the NOD Cohort;
• Establish a biobank of clinically annotated biospecimens including a reference set of biospecimens from pre-symptomatic PDAC and control new-onset type 2 diabetes mellitus (DM) subjects;
• Facilitate validation of emerging tests for identifying NOD subjects at high risk for having PDAC using the reference set; and
• Provide a platform for development of an interventional protocol for early detection of sporadic PDAC ...

The purpose of this study is to assess the effectiveness and safety of D-PLEX administered concomitantly over a period of 90 days (3 months)with the standard of care (SOC) IV prophylactic antibiotic treatment vs. SOC in prevention of post-cardiac surgery sternal infections.

The study is being undertaken to understand how a gastric bypass can affect a subject's diabetes even prior to their losing significant amounts of weight. The hypothesis of this study is that increased glucagon-like peptide-1 (GLP-1) secretion explains the amelioration in insulin secretion after Roux-en-Y Gastric Bypass (RYGB) surgery.

The primary purpose of this study is to evaluate the impact of dapagliflozin, as compared with placebo, on heart failure, disease specific biomarkers, symptoms, health status and quality of life in patients with type 2 diabetes or prediabetes and chronic heart failure with preserved systolic function.

The objectives of this study are to evaluate the effectiveness and safety of PB in the treatment of patients with hereditary nephrogenic diabetes insipidus, to evaluate the effectiveness and safety of PB in polyuric patients with autosomal dominant polycystic kidney disease treated with tolvaptan, and to evaluate the effectiveness and safety of PB in polyuric patients previously treated with lithium.

The purpose of this study is to collect device data to assist in the development of a Personalized Closed Loop (PCL) system.

Assessment of glucose metabolism and liver fat after 12 week dietary intervention in pre diabetes subjects. Subjects will be randomized to either high fat (olive oil supplemented),high carb/high fiber (beans supplemented) and high carb/low fiber diets. Glucose metabolism will be assessed by labeled oral glucose tolerance test and liver fat by magnetic resonance spectroscopy pre randomization and at 8 and 12 week after starting dietary intervention.

To study the effect of an ileocolonic formulation of ox bile extract on insulin sensitivity, postprandial glycemia and incretin levels, gastric emptying, body weight and fasting serum FGF-19 (fibroblast growth factor) levels in overweight or obese type 2 diabetic subjects on therapy with DPP4 (dipeptidyl peptidase-4) inhibitors (e.g. sitagliptin) alone or in combination with metformin.

The purpose of this study is to compare incidence rates of complete hard-to-heal diabetic foot ulcer healing in Medicare beneficiaries following application of the 3C Patch® plus usual care (i.e., care consistent with the International Working Group on the Diabetic Foot guidelines), tested against a historical control group of similar patients that received usual care during a randomized controlled trial.

The purpose of this study is to measure and characterize specific immune cell abnormalities found in patients who have type 1 diabetes and may or may not be on the waiting list for either a pancreas alone or a pancreas and kidney transplant.

The MADIT S-ICD trial is designed to evaluate if subjects with a prior myocardial infarction, diabetes mellitus and a relatively preserved ejection fraction of 36-50% will have a survival benefit from receiving a subcutaneous implantable cardioverter defibrillator (S-ICD) when compared to those receiving conventional medical therapy.

Diabetes mellitus is a common condition which is defined by persistently high blood sugar levels. This is a frequent problem that is most commonly due to type 2 diabetes. However, it is now recognized that a small portion of the population with diabetes have an underlying problem with their pancreas, such as chronic pancreatitis or pancreatic cancer, as the cause of their diabetes. Currently, there is no test to identify the small number of patients who have diabetes caused by a primary problem with their pancreas.

The goal of this study is to develop a test to distinguish these ...

The purpose of this study is to look at the relationship of patient-centered education, the Electronic Medical Record (patient portal) and the use of digital photography to improve the practice of routine foot care and reduce the number of foot ulcers/wounds in patients with diabetes.

The purpose of this study is to demonstrate the performance of the Guardian™ Sensor (3) with an advanced algorithm in subjects age 2 - 80 years, for the span of 170 hours (7 days).

A research study to enhance clinical discussion between patients and pharmacists using a shared decision making tool for type 2 diabetes or usual care.

The MADIT S-ICD trial is designed to evaluate if subjects with a prior myocardial infarction, diabetes mellitus and a relatively preserved ejection fraction of 36-50% will have a survival benefit from receiving a subcutaneous implantable cardioverter defibrillator (S-ICD) when compared to those receiving conventional medical therapy.

The purpose of this study is to evaluate the effect of Aramchol as compared to placebo on NASH resolution, fibrosis improvement and clinical outcomes related to progression of liver disease (fibrosis stages 2-3 who are overweight or obese and have prediabetes or type 2 diabetes).

The purpose of this study is to evaluate the safety and efficacy of oral Pyridorin 300 mg BID in reducing the rate of progression of nephropathy due to type 2 diabetes mellitus.

The purpose of this study is to evaluate the ability of appropriately-trained family physicians to screen for and identify Diabetic Retinopathy using retinal camera and, secondarily, to describe patients’ perception of the convenience and cost-effectiveness of retinal imaging.

The purpose of this study is to assess the effects of a nighttime rise in cortisol on the body's glucose production in type 2 diabetes.

As the global epidemic of obesity and diabetes mellitus spreads, an exponential rise in incident chronic kidney disease (CKD) complicated by end stage renal disease (ESRD) is predicted, leaving healthcare systems overwhelmed worldwide. Hence, there is urgent need for novel therapies to slow the progression of DKD and optimize the health of this patient population. The purpose of this study is to examine the effect of a supplement on mesenchymal stem cells, physical body function (or frailty), kidney function, and total clearance of senescent cells in individuals with CKD. At present, we are enrolling participants with CKD, with a subset ...

The goal of this study is to evaluate a new format for delivery of a culturally tailored digital storytelling intervention by incorporating a facilitated group discussion following the videos, for management of type II diabetes in Latino communities.

This protocol is being conducted to determine the mechanisms responsible for insulin resistance, obesity and type 2 diabetes.

To compare the effect of senolytic drugs on cellular senescence, physical ability or frailty, and adipose tissue-derived MSC functionality in patients with chronic kidney disease.

Primary Objectives:
To assess the efficacy of a single 3-day treatment regimen with dasatinib and quercetin (senolytic drugs) on clearing senescent adipose-derived MSC in patients with CKD.

To assess the efficacy of a single 3-day treatment regimen with dasatinib and quercetin (senolytic drugs) on improving adipose-derived MSC functionality in patients with CKD.

Secondary Objective:
To assess the short-term effect of a single 3-day treatment regimen with dasatinib and quercetin (senolytic drugs) on ...

The purpose of this study is to develop a blood test to distinguish various causes of diabetes by evaluating patients who have developed diabetes within the last 3 years, but we will also enroll a small number of patients with long-term diabetes and normal blood sugars for comparison. 

Diabetes mellitus is a common condition which is defined by persistently high blood sugar levels.  This is a frequent problem that is most commonly due to type 2 diabetes.  However, it is now recognized that a small portion of the population with diabetes have an underlying problem with their pancreas, such as ...

The purpose of this research is to determine if CGM (continuous glucose monitors) used in the hospital in patients with COVID-19 and diabetes treated with insulin will be as accurate as POC (point of care) glucose monitors. Also if found to be accurate, CGM reading data will be used together with POC glucometers to dose insulin therapy.

Hypothesis: We hypothesize that patients from the Family Medicine Department at Mayo Clinic Florida who participate in RPM will have significantly reduced emergency room visits, hospitalizations, and hospital contacts.  

Aims, purpose, or objectives: In this study, we will compare the RPM group to a control group that does not receive RPM. The primary objective is to determine if there are significant group differences in emergency room visits, hospitalizations, outpatient primary care visits, outpatient specialty care visits, and hospital contacts (inbound patient portal messages and phone calls). The secondary objective is to determine if there are ...

The purpose of this study is to evaluate the effect of fenofibrate compared with placebo for prevention of diabetic retinopathy (DR) worsening or center-involved diabetic macular edema (CI-DME) with vision loss through 4 years of follow-up in participants with mild to moderately severe non-proliferative DR (NPDR) and no CI-DME at baseline.

The primary purpose of this study is to evaluate the impact of dapagliflozin, as compared with placebo, on heart failure disease-specific biomarkers, symptoms, health status, and quality of life in patients who have type 2 diabetes and chronic heart failure with reduced systolic function.

The purpose of this study is to use multiple devices to measure blood sugar changes and the reasons for these changes in healthy and diabetic children.

The purpose of this study is gain the adolescent perspective on living with type 1 diabetes.

The purpose of this study is to assess painful diabetic peripheral neuropathy after high-frequency spinal cord stimulation.

The purpose of this study is to see if there is a connection between bad experiences in the patient's childhood, either by the patient or the parent, and poor blood sugar control, obesity, poor blood lipid levels, and depression in patients with type 1 diabetes.

The purpose of this study is to examine the evolution of diabetic kindey injury over an extended period in a group of subjects who previously completed a clinical trial which assessed the ability of losartan to protect the kidney from injury in early diabetic kidney disease. We will also explore the relationship between diabetic kidney disease and other diabetes complications, including neuropathy and retinopathy.

The objectives of this study are to determine if the 1-year graft success rate following DMEK performed with corneas from donors without diabetes is superior to the graft success rate with cornea donors with diabetes, to determine if the 1-year central endothelial cell loss (ECL) following DMEK performed with corneas from donors without diabetes is superior to the central ECL when corneas from donors with diabetes are used, nd to explore the relationship of severity of diabetes in the donor, as measured by eye bank-determined diabetes risk categorization scores, post-mortem hemoglobin A1c (HbA1c), and skin advanced glycation endproducts (AGE) and ...

The purpose of this study is to understand the day-to-day variability in stomach emptying and gastrointestinal (GI) transit in patients with digestive symptoms. This information will be useful for interpreting the results of stomach emptying studies in future.

The purpose of this study is to evaluate the effietiveness of remdesivir (RDV) in reducing the rate of of all-cause medically attended visits (MAVs; medical visits attended in person by the participant and a health care professional) or death in non-hospitalized participants with early stage coronavirus disease 2019 (COVID-19) and to evaluate the safety of RDV administered in an outpatient setting.

The purpose of this study is to determine whether short-term treatment with Fisetin reduces the rate of death and long term complications related to COVID-19.

This study (SE2030) will establish a platform of data to build the perfect stress echo test, suitable for all patients, anywhere, anytime, also quantitative and operator independent.