Collection of Breath and Sweat to Identify Indicators of Hypoglycemia
Type 1 Diabetes MellitusSubjects with type 1 diabetes will be observed in the diabetes research center clinic following a meal and an insulin injection. Breath and sweat samples will be collected at intervals throughout the visit, with increased frequency during hypoglycemia. Collaborators with the MITRE Corporation will perform analyses on these samples to identify any relationships between volatile organic compounds in breath and sweat and hypoglycemia.
Islet Transplantation in Type I Diabetic Patients Using the University of Illinois at Chicago (UIC)...
Type 1 Diabetes MellitusA Phase 3 clinical trial has been completed and demonstrated the safety and efficacy of allogeneic islet transplantation in improving glycemic control in Type 1 diabetic patients using the UIC protocol.The objective in offering expanded access to donislecel (allogeneic islets of Langerhans for transplant; IND BB-11807) for the treatment of brittle T1D is to bridge the gap between completed clinical trials and marketing (i.e. approval by the FDA of a biological license application). Expanded access will allow clinical trial subjects, as well as patients outside a clinical trial, to receive treatment. New patients participating in the expanded access protocol are required to meet exclusion and inclusion criteria.
Predictive A1c Based on CGM Data Using CGM Data
Diabetes MellitusType 1Introduction. The hemoglobin A1C (HbA1c) reflects the average blood glucose level for last two to three months. Recent advancements in the sensor technology facilitate the daily monitoring of the blood glucose using CGM devices. The future prediction of the HbA1C based on the CGM data holds a critical significance in maintaining long term health of diabetes patients. A higher than normal value of the HbA1c greatly increases the likelihood of diabetes related cardiovascular disease. Goal. The aim this study is to predict the HbA1c in advance by utilizing the CGM data through applying machine learning techniques. The outcomes of this research will assist in improving the health of diabetic patients. Methods. This is a retrospective analysis. The investigators will de-identify and analyze 120 patients with T1D who using CGM sensor for last three months. Past 15 days of CGM data will be analyzed and different glucose variability features such as time in range (TIR), coefficient of variation (CV), mean amplitude of glycemic excursion (MAGE), mean of daily differences (MODD), continuous overall net glycemic action (CONGA) will be extracted. A machine learning model will calculate (predict) HbA1c in 2-3 months advance based on these 15 days of CGM data. To evaluate the performance of the proposed prediction model, predicted HbA1c will be compared with the real HbA1c.
BD FlowSmart™ Subcutaneous Insulin Infusion Set User Preference and Claims Study
Type 1 Diabetes MellitusContinuous Subcutaneous Insulin Infusion (CSII) via insulin pump therapy has been shown to improve quality of life and glucose control in many patients with diabetes opting for this treatment modality. Despite significant innovation and advancement in pump technology, insulin infusion sets have been an area where innovation has been significantly lacking with no clinical studies performed prior to product launches. BD has developed a subcutaneous infusion set with FlowSmart™ Technology designed to address patient comfort, insulin delivery and flow interruptions. According to preliminary animal and clinical studies, this technology results in lower infusion pressure indicating more consistent insulin delivery. The FlowSmart infusion set has been previously tested in prototype form with healthy non-diabetic subjects with the sets inserted by nurses, and with CSII-using patients who self-inserted the FlowSmart infusion set in a clinical research setting. The purpose of this study is to determine if insulin pump users prefer using the BD FlowSmart infusion set compared to their current set with respect to insertion pain and wear comfort.
Glycemic Profiles And Insulin Delivery Across The Menstrual Cycle In Women With Type 1 Diabetes...
Type 1 Diabetes MellitusThis is an observational study. Forty females with type 1 diabetes (age 18-40) using a continuous glucose monitor and an insulin pump will be enrolled for a 3-month data collection. Study participants will include free-cycling females and females following oral contraceptive therapy. All study appointments may be completed virtually.
Parents' Occupation After Diabetes Onset
Type 1 DiabetesA cross-sectional multicenter study using a questionnaire assessing occupational and financial situation before and after the onset of type 1 diabetes was distributed to all families with a child diagnosed with type 1 diabetes before the age of 14 years in nine German pediatric diabetes centers.
The Current Health Status of Patients Living With Type 1 Diabetes From the LMC Diabetes Patient...
Type1diabetesThis retrospective study uses the Canadian LMC Diabetes Registry to describe the current health status of Canadians with type 1 diabetes. The study provides a detailed report of the demographic composition, treatment regimens, self-care approaches, health status, metabolic outcomes, and glycemic control of a large Canadian community-based, specialist-led cohort of patients with type 1 diabetes. Specific study outcomes will also be evaluated in a subgroup of patients using continuous subcutaneous insulin infusion (CSII) therapy.
Impact of c242T Polymorphism of p22phox in Diabetic type1 Nephropathy
Type 1 Diabetes MellitusDiabetic NephropathyThe physiopathology of diabetic nephropathy (DN) is unclear. To investigate risk factor, the investigators choose to look about some oxidative stress genes. Today a one-gene explanation is not really possible. So the theory of some genetic predisposition to DN is more likely. The aim of the study is to look about the association of the C282T polymorphism of P22phox, a sub unit of the nicotinamide adenine dinucleotide phosphate-oxidase (NADPH oxidase) in the occurrence of DN. To follow the oxidative stress pathway of the DN, the investigators also investigate three other polymorphisms: -429 T/C, -374 T/A polymorphism of advanced glycation end-products receptor (AGER) and the p.Arg261Gln polymorphism of the 12 lipoxygenase (ALOX 12). Discordant data suggest a link between the first 2 polymorphisms and DN. The last polymorphism is correlated to albuminuria in diabetic patients.
Detection of Human Beta Cell Death in Type 1 Diabetes Mellitus (T1DM) by Methylation Specific Polymerase...
Type 1 Diabetes MellitusTo investigate the use of methylation-specific PCR (MSP) assays to detect human beta cell-specific gene methylation patterns in serial blood samples drawn from newly diagnosed Type 1 diabetics.
Detection of Vascular Injury in Diabetes Through Eye and Nailfold Data (DIVIDEND) - A Pilot Study...
Type 1 Diabetes MellitusThis project aimed to explore novel methods of detecting small blood vessel disease in a paediatric population with type 1 diabetes mellitus. To do this the techniques of Nailfold capillaroscopy, laser Doppler flowmetry, retinal (eye) vessel analysis and 24-hr Ambulatory Blood Pressure Monitoring were used. Each of these techniques investigated different areas of small blood vessels around the body. It was hypothesized that in a paediatric population with type 1 diabetes mellitus the novel investigations would be associated with small blood vessel disease and that widespread changes to these blood vessels would be detected through associations between the different novel investigations.