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1.

Purpose of the Review

Hospitalized patients with diabetes are monitored with point-of-care glucose testing. Continuous glucose monitoring (CGM) devices represent an alternative way to monitor glucose values; however, the in-hospital CGM use is still considered experimental. Most inpatient studies used “blinded” CGM properties and only few used the real-time/unblinded CGM features. One major limitation of the CGM devices is that they need to be placed at the patients’ bedside, limiting any therapeutic interventions. In this article, we review the real-time/unblinded CGM use and share our thoughts about the development of future inpatient CGM systems.

Recent Findings

We recently reported that glucose values can be wirelessly transmitted to the nursing station, providing remote continuous glucose monitoring.

Summary

Future inpatient CGM devices may be utilized for patients at risk for hypoglycemia similarly to the way that we use cardiac telemetry to monitor hospitalized patients who are at increased risk for cardiac arrhythmias.
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2.

Background

Hypoglycemia affects patient safety and glycemic control during insulin treatment of both type 1 (T1DM) and type 2 diabetes mellitus (T2DM). The Hypoglycemia Assessment Tool study in Brazil aimed to determine the proportion of patients experiencing hypoglycemic events and to characterize patient awareness and fear about hypoglycemia, among insulin-treated T1DM or T2DM patients.

Methods

This was a non-interventional, multicenter study, with a 6-month retrospective and a 4-week prospective evaluation of hypoglycemic events. Patients completed a questionnaire at baseline and at the end of the study, and also a patient diary. The answers ‘occasionally’ and ‘never’ to the question ‘Do you have symptoms when you have a low sugar level?’ denoted impaired hypoglycemia awareness. Fear was reported on a 10-point scale, from ‘not afraid at all’ to ‘absolutely terrified’.

Results

From 679 included patients, 321 with T1DM and 293 T2DM, median age of 33.0 and 62.0 years, 59% and 56% were female, and median diabetes duration was 15.0 and 15.0 years, respectively. Median time of insulin use was 14.0 and 6.0 years. During the prospective period, 91.7% T1DM and 61.8% T2DM patients had at least one hypoglycemic event. In the same period, 54.0% T1DM and 27.4% T2DM patients had nocturnal hypoglycemia, 20.6% T1DM and 10.6% T2DM patients had asymptomatic hypoglycemia, and severe events occurred in 20.0% and 10.3%, respectively. At baseline, 21.4% T1DM and 34.3% T2DM had hypoglycemia unawareness. The mean score of hypoglycemia fear was 5.9?±?3.1 in T1DM and 5.4?±?3.9 in T2DM. The most common attitude after hypoglycemic events were to increase calorie intake (60.3%) and blood glucose monitoring (58.0%) and to reduce or skip insulin doses (30.8%).

Conclusions

Referred episodes of hypoglycemia were high, in both T1DM and T2DM insulin users. Patient attitudes after hypoglycemia, such as reduction in insulin and increase in calorie intake, can affect diabetes management. These findings may support clinicians in tailoring diabetes education and insulin treatment for patients with diabetes, in order to improve their glycemic control while reducing the risk of hypoglycemic events.
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3.

Purpose of Review

The purpose of the study is to discuss emerging technologies available in the management of type 1 diabetes in pregnancy.

Recent Findings

The latest evidence suggests that continuous glucose monitoring (CGM) should be offered to all women on intensive insulin therapy in early pregnancy. Studies have additionally demonstrated the ability of CGM to help gain insight into specific glucose profiles as they relate to glycaemic targets and pregnancy outcomes. Despite new studies comparing insulin pump therapy to multiple daily injections, its effectiveness in improving glucose and pregnancy outcomes remains unclear. Sensor-integrated insulin delivery (also called artificial pancreas or closed-loop insulin delivery) in pregnancy has been demonstrated to improve time in target and performs well despite the changing insulin demands of pregnancy.

Summary

Emerging technologies show promise in the management of type 1 diabetes in pregnancy; however, research must continue to keep up as technology advances. Further research is needed to clarify the role technology can play in optimising glucose control before and during pregnancy as well as to understand which women are candidates for sensor-integrated insulin delivery.
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4.

Purpose of Review

This review examines algorithm design features that may reduce risk for hypoglycemia while preserving glycemic control during intravenous insulin infusion. We focus principally upon algorithms in which the assignment of the insulin infusion rate (IR) depends upon maintenance rate of insulin infusion (MR) or a multiplier.

Recent Findings

Design features that may mitigate risk for hypoglycemia include use of a mid-protocol bolus feature and establishment of a low BG threshold for temporary interruption of infusion. Computer-guided dosing may improve target attainment without exacerbating risk for hypoglycemia. Column assignment (MR) within a tabular user-interpreted algorithm or multiplier may be specified initially according to patient characteristics and medical condition with revision during treatment based on patient response.

Summary

We hypothesize that a strictly increasing sigmoidal relationship between MR-dependent IR and BG may reduce risk for hypoglycemia, in comparison to a linear relationship between multiplier-dependent IR and BG. Guidelines are needed that curb excessive up-titration of MR and recommend periodic pre-emptive trials of MR reduction. Future research should foster development of recommendations for “protocol maxima” of IR appropriate to patient condition.
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5.

Purpose of Review

Summarize biopsychosocial factors associated with using continuous glucose monitors (CGMs), insulin pumps, and artificial pancreas (AP) systems and provide a “call to the field” about their importance to technology uptake and maintained use.

Recent Findings

Insulin pumps and CGMs are becoming standard of care for individuals with type 1 diabetes (T1D). AP systems combining a CGM, insulin pump, and automated dosing algorithm are available for commercial use. Despite improved glycemic control with AP system use, numerous barriers exist which may limit their benefit. Studies on components of AP systems (pumps, CGMs) are limited and demonstrate mixed results of their impact on fear of hypoglycemia, adherence, quality of life, depression and anxiety, and diabetes distress. Studies examining biopsychological factors associated specifically with sustained use of AP systems are also sparse.

Summary

Biological, psychological and social impacts of AP systems have been understudied and the information they provide has not been capitalized upon.
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6.

BACKGROUND

Type 2 diabetes patients often initiate treatment with a sulfonylurea and subsequently intensify their therapy with insulin. However, information on optimal treatment regimens for these patients is limited.

OBJECTIVE

To compare risk of cardiovascular disease (CVD) and hypoglycemia between sulfonylurea initiators who switch to or add insulin.

DESIGN

This was a retrospective cohort assembled using national Veterans Health Administration (VHA), Medicare, and National Death Index databases.

PARTICIPANTS

Veterans who initiated diabetes treatment with a sulfonylurea between 2001 and 2008 and intensified their regimen with insulin were followed through 2011.

MAIN MEASURES

The association between insulin versus sulfonylurea?+?insulin and time to CVD or hypoglycemia were evaluated using Cox proportional hazard models in a 1:1 propensity score-matched cohort. CVD included hospitalization for acute myocardial infarction or stroke, or cardiovascular mortality. Hypoglycemia included hospitalizations or emergency visits for hypoglycemia, or outpatient blood glucose measurements <60 mg/dL. Subgroups included age < 65 and ≥ 65 years and estimated glomerular filtration rate ≥ 60 and < 60 ml/min.

KEY FINDINGS

There were 1646 and 3728 sulfonylurea monotherapy initiators who switched to insulin monotherapy or added insulin, respectively. The 1596 propensity score-matched patients in each group had similar baseline characteristics at insulin initiation. The rate of CVD per 1000 person-years among insulin versus sulfonylurea?+?insulin users were 49.3 and 56.0, respectively [hazard ratio (HR) 0.85, 95 % confidence interval (CI) 0.64, 1.12]. Rates of first and recurrent hypoglycemia events per 1000 person-years were 74.0 and 100.0 among insulin users compared to 78.9 and 116.8 among sulfonylurea plus insulin users, yielding HR (95 % CI) of 0.94 (0.76, 1.16) and 0.87 (0.69, 1.10), respectively. Subgroup analysis results were consistent with the main findings.

CONCLUSIONS

Compared to sulfonylurea users who added insulin, those who switched to insulin alone had numerically lower CVD and hypoglycemia events, but these differences in risk were not statistically significant.
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7.

Background

Postnatal hypoglycemia in infants of diabetic mothers is the most common reason for admission to neonatal care.

Objectives, materials, and methods

A literature search was performed to determine the definition, diagnosis, treatment, and prevention of postnatal hypoglycemia.

Results

The low fetal insulin secretion threshold and the sudden discontinuation of intravenous glucose supply at the time the umbilical cord is cut results in low blood glucose concentrations in healthy term newborn infants during the first 24–48 h of life, the 10th percentile is around 2.0–2.5 mmol/l (35–45 mg/dl). Single neonatal blood glucose measurements in this range have been associated with lower achievement test scores at 10 years of age, while MRI-diagnosed brain lesions and lasting neurological deficits have been observed in individual infants with blood glucose values below 1.5 mmol/l (27 mg/dl). Screening infants of diabetic mothers aimed to avoid blood glucose values below 45 mg/dl requires on average 9 heel pricks and results in neonatal admission rates of 14–25?% which may be lowered by bucally administered glucose gel.

Conclusions

Screening infants of diabetic mothers for postnatal hypoglycemia might be necessary but entails a high risk of overdiagnosis and overtreatment.
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8.
M. Pfohl 《Der Diabetologe》2016,12(3):171-177

Background

The importance of a near normal blood glucose adjustment and insulin therapy for prevention of subsequent microangiopathic diseases is undisputed.

Type 1 diabetes

The important role of intensive insulin therapy for prevention of cardiovascular events in type 1 diabetes has been clearly confirmed by the diabetes control and complications trial (DCCT) of the epidemiology of diabetes interventions and complications (EDIC) research group: in the long term, intensive insulin therapy reduces the risk of non-fatal myocardial infarction, stroke and death from cardiovascular causes by 57?%.

Type 2 diabetes

For patients with type 2 diabetes a cardiovascular benefit of early insulin therapy with near normal blood glucose adjustment was confirmed by the United Kingdom prospective diabetes study (UKPDS) but only becomes apparent in the follow-up period. In insulin therapy of long-standing diabetes mellitus and/or pre-existing cardiovascular diseases, priority is given to avoidance of hypoglycemia in order to prevent acute cardiovascular events. For patients with heart insufficiency the indications are that high insulin dosages should be avoided where possible and the benefit of a near normal blood glucose adjustment has also not been proven.
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9.

Purpose of Review

Hypoglycemia is the most common and often treatment-limiting serious adverse effect of diabetes therapy. Despite being potentially preventable, hypoglycemia in type 2 diabetes incurs substantial personal and societal burden. We review the epidemiology of hypoglycemia in type 2 diabetes, discuss key risk factors, and introduce potential prevention strategies.

Recent Findings

Reported rates of hypoglycemia in type 2 diabetes vary widely as there is marked heterogeneity in how hypoglycemia is defined, measured, and reported. In randomized controlled trials, rates of severe hypoglycemia ranged from 0.7 to 12 per 100 person-years. In observational studies, hospitalizations or emergency department visits for hypoglycemia were experienced by 0.2 (patients treated without insulin or sulfonylurea) to 2.0 (insulin or sulfonylurea users) per 100 person-years. Patient-reported hypoglycemia is much more common. Over the course of 6 months, 1–4% non-insulin users reported need for medical attention for hypoglycemia; 1–17%, need for any assistance; and 46–58%, any hypoglycemia symptoms. Similarly, over a 12-month period, 4–17% of insulin-treated patients reported needing assistance and 37–64% experienced any hypoglycemic symptoms. Hypoglycemia is most common among older patients with multiple or advanced comorbidities, patients with long diabetes duration, or patients with a prior history of hypoglycemia. Insulin and sulfonylurea use, food insecurity, and fasting also increase hypoglycemia risk. Clinical decision support tools may help identify at-risk patients. Prospective trials of efforts to reduce hypoglycemia risk are needed, and there is emerging evidence supporting multidisciplinary interventions including treatment de-intensification, use of diabetes technologies, diabetes self-management, and social support.

Summary

Hypoglycemia among patients with type 2 diabetes is common. Patient-centered multidisciplinary care may help proactively identify at-risk patients and address the multiplicity of factors contributing to hypoglycemia occurrence.
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10.

Background

Most type 1 diabetes mellitus patients are not capable of achieving close to normal glucose levels and thus face a constant risk of severe hypoglycemia and diabetic ketoacidosis.

Objectives

Patients develop their own personal non-approved medical devices to compensate for gaps in the existing medical technology.

Materials and methods

Current studies are assessed and basic work and challenges are discussed.

Results

The authorization of such systems from patients themselves results in the development of medical devices suitable for use but approved only based on freely available algorithms. Legal framework conditions, lack of standards on the interoperability of medical devices and uncertainties about future technology trends are giving rise to ongoing controversies.

Conclusions

There is a need to validate these new approaches, agree upon success criteria and provide solid evidence of their effectiveness.
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11.

Purpose of Review

Diabetes is the leading cause of kidney disease globally. Diabetic kidney disease (DKD) is a heterogeneous disorder manifested as albuminuria and/or decreasing GFR. Hyperglycemic burden is the major contributor to the development of DKD. In this article, we review the evidence for the contribution of glycemic variability and the pitfalls associated with use of hemoglobin A1c (A1C), the gold standard for assessment of glucose control, in the setting of DKD.

Recent Findings

Glycemic variability, characterized by swings in blood glucose levels, can result in generation of mitochondrial reactive oxygen species, a putative inciting factor for hyperglycemia-induced alterations in intracellular metabolic pathways. While there is indirect evidence supporting the role of glycemic variability in the pathogenesis of DKD, definitive data are lacking. A1C has many limitations and is a particularly suboptimal measure in patients with kidney disease, because its accuracy is compromised by variables affecting RBC survival and other factors. Continuous glucose monitoring (CGM) technology has the potential to enable us to use glucose as a more important clinical tool, for a more definitive understanding of glucose variability and its role in DKD.

Summary

Glycemic variability may be a factor in the development of DKD, but definitive evidence is lacking. Currently, all available glycemic biomarkers, including A1C, have limitations and in the setting of DKD and should be used cautiously. Emerging data suggest that personal and professional CGM will play an important role in managing diabetes in patients with DKD, where risk of hypoglycemia is high.
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12.

Purpose of Review

Summarize safety issues related to patients using insulin pump therapy and continuous glucose monitoring systems (CGMS) in the outpatient setting when they are hospitalized and to review steps that can be taken to mitigate risk associated with use or discontinuation of these devices.

Recent Findings

Two recent consensus conferences were held on the topics of inpatient use of insulin pumps and CGMS devices. In addition to commonly known safety issues (e.g., device malfunction, infection), cybersecurity and the vulnerability of contemporary technology to hacking have emerged. CGMS capabilities offer the promise of advancing the goal for development of glucometry (centralized monitoring of real-time glucose data). Strategies to assuring safe use of insulin pumps and CGMS in the hospital include collaboration between the patient and staff, proper patient selection, and clear policies and procedures outlining safe use. Available data indicates few adverse events associated with these devices in the hospital.

Summary

Current data suggests, with proper patient selection and a clear process in place for glycemic management, that adverse events are rare, and consensus favors allowing use of the technology in the hospital. The topic of insulin pump and CGMS in the hospital would greatly benefit from more institutions reporting on their experiences and prospective clinical trials.
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13.

Background

Diabetes is associated with a two- to three-fold increased risk of cardiovascular events, and cardiovascular disease is the leading cause of death in patients with diabetes. The association with cardiovascular disease is particularly strong in patients with type 2 diabetes who, in addition to hyperglycemia, exhibit other atherogenic stigmata of insulin resistance such as abdominal obesity, dyslipidemia, and arterial hypertension. However, patients with type 1 diabetes are also at an increased risk of cardiovascular events over the long term, which is partly explained by direct glucotoxic damage to the endothelium.

Prophylaxis

Lowering glucose both in type 2 and type 1 diabetes over long observational periods has been found to be associated with a decreased risk of cardiovascular events; however, at least in the short term glucose lowering is less efficacious in decreasing cardiovascular risk than lowering LDL (low density lipoprotein) cholesterol or normalizing blood pressure. Overly aggressive glucose lowering at the price of frequent hypoglycemia can even negatively affect cardiovascular outcomes because hypoglycemia is associated with an increased cardiovascular event risk.

Important cardiovascular diseases in diabetes

In addition to coronary diseases, the increased heart failure risk of patients with diabetes has attracted increasing interest.
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14.

Purpose of Review

The oral glucose tolerance test (OGTT) is used both in clinical practice and research to assess glucose tolerance. In addition, the OGTT is utilized for surrogate measures of insulin sensitivity and the insulin response to enteral glucose and has been widely applied in the evaluation of β-cell dysfunction in obesity, prediabetes, and type 2 diabetes. Here we review the use of the OGTT and the OGTT-derived indices for measurement of risk markers for type 2 diabetes in youth.

Recent Findings

Advantages of using the OGTT for measures of diabetes risk include its accessibility and the incorporation of physiological contributions of the gut-pancreas axis in the measures of insulin response to glucose. Mathematical modeling expands the potential gains from the OGTT in physiology and clinical research. Disadvantages include individual differences in the rate of glucose absorption that modify insulin responses, imperfect control of the glycemic stimulus, and poor intraindividual reproducibility.

Summary

Available research suggests the OGTT provides valuable information about the development of impaired glycemic control and β-cell function in obese youth along the spectrum of glucose tolerance.
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15.

Background

Exclusive breastfeeding provides optimal nutrition and health protection for mothers and their offspring.

Health benefits of breastfeeding for diabetic women

Diabetic mothers who breastfeed in the first 4 months postpartum have improved metabolic parameters, e.g., lower blood lipids, lower blood glucose, and greater insulin sensitivity. Studies have reported that longer duration of breastfeeding in women with a history of gestational diabetes may reduce long-term risks of cardiometabolic disease, including type 2 diabetes.

Health benefits of breastfeeding for children

Children of diabetic mothers may benefit from breastfeeding in that they have lower rates of hypoglycemia immediately after birth and lower rates of obesity in later life. It has been suggested that the latter benefits may only be observed if breastfeeding is continued beyond a certain period where breastmilk composition would have normalized over time.

Conclusion

Due to several risk factors and pathophysiological mechanisms, diabetic women are less likely and for a shorter duration to breastfeed. Therefore, diabetic women should be encouraged to breastfeed exclusively for at least 4–6 months to improve maternal and child morbidity, to prevent noncommunicable diseases in later life, and to decrease health care costs.
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16.

Purpose of Review

New treatment strategies are needed for patients with type 1 diabetes (T1D). Closed loop insulin delivery and beta-cell replacement therapy are promising new strategies. This review aims to give an insight in the most relevant literature on this topic and to compare the two radically different treatment modalities.

Recent Findings

Multiple clinical studies have been performed with closed loop insulin delivery devices and have shown an improvement in overall glycemic control and time spent in hypoglycemia. Beta-cell transplantation has been shown to normalize or greatly improve glycemic control in T1D, but the donor organ shortage and the necessity to use immunosuppressive agents are major drawbacks. Donor organ shortage may be solved by the utilization of stem cell-derived beta cells, which has shown great promise in animal models and are now tested in clinical studies. Immunosuppression may be avoided by encapsulation.

Summary

Closed loop insulin delivery devices are promising treatment strategies and are likely to be used in clinical practice in the short term. But this approach will always suffer from delays in glucose measurement and insulin action preventing it from normalizing glycemic control. In the long term, stem cell-derived beta cell transplantation may be able to achieve this, but wide implementation in clinical practice is still far away.
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17.

Aims/hypothesis

The mechanisms underlying pancreatic islet mass expansion have attracted considerable interest as potential therapeutic targets to prevent or delay the onset of type 2 diabetes. While several factors promoting beta cell proliferation have been identified, in the context of nutrient excess the roles of glucose or NEFA in relation to insulin resistance remain unclear. Here we tested the hypothesis that glucose and NEFA synergistically and reversibly promote beta cell proliferation in the context of nutrient-induced insulin resistance.

Methods

Using 72 h infusions of glucose (GLU) or the oleate-enriched lipid emulsion ClinOleic (CLI), singly or in combination, we assessed beta cell proliferation, islet mass and insulin sensitivity in male Lewis rats. The effects of nutrients and endogenous circulating factors were examined in isolated and transplanted islets. Reversibility was studied 3 and 6 days after the end of the infusion.

Results

GLU infusions modestly stimulated beta cell proliferation, CLI alone had no effect and GLU+CLI infusions markedly stimulated beta cell proliferation. Insulin sensitivity was equally decreased in GLU and GLU+CLI infusions. GLU+CLI infusions also stimulated beta cell proliferation in islets transplanted under the kidney capsule, albeit to a lesser extent compared with endogenous islets. Ex vivo, the combination of glucose and NEFA enhanced beta cell proliferation in rat and human islets independently from secreted insulin, and serum from GLU+CLI-infused rats potentiated the effect of glucose. Glucose tolerance, beta cell proliferation and islet mass were all restored to normal levels 6 days after termination of the infusion.

Conclusions/interpretation

Glucose and NEFA synergistically and reversibly promote beta cell proliferation in part via direct action on the beta cell and independently from secreted insulin.
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18.

Purpose of Review

We discuss key studies that have set the scene for the debate on the efficacy and safety of tight glycemic control in critically ill patients, highlighting important differences among them, and describe the ensuing search towards strategies for safer glucose control.

Recent Findings

Differences in level of glycemic control, glucose measurement and insulin administration, expertise, and nutritional management may explain the divergent outcomes of the landmark studies on tight glycemic control in critical illness. Regarding strategies towards safer glucose control, several computerized algorithms have shown promise, but lack validation in adequately powered outcome studies. Real-time continuous glucose monitoring and closed loop blood glucose control systems are not up to the task yet due to technical challenges, though recent advances are promising. Alternatives for insulin have only been investigated in small feasibility studies.

Summary

Severe hyperglycemia in critically ill patients generally is not tolerated anymore, but the optimal blood glucose target may depend on the specific patient and logistic context.
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19.

Aims/hypothesis

Cre-loxP systems are frequently used in mouse genetics as research tools for studying tissue-specific functions of numerous genes/proteins. However, the expression of Cre recombinase in a tissue-specific manner often produces undesirable changes in mouse biology that can confound data interpretation when using these tools to generate tissue-specific gene knockout mice. Our objective was to characterise the actions of Cre recombinase in skeletal muscle, and we anticipated that skeletal muscle-specific Cre recombinase expression driven by the human α-skeletal actin (HSA) promoter would influence glucose homeostasis.

Methods

Eight-week-old HSA-Cre expressing mice and their wild-type littermates were fed a low- or high-fat diet for 12 weeks. Glucose homeostasis (glucose/insulin tolerance testing) and whole-body energy metabolism (indirect calorimetry) were assessed. We also measured circulating insulin levels and the muscle expression of key regulators of energy metabolism.

Results

Whereas tamoxifen-treated HSA-Cre mice fed a low-fat diet exhibited no alterations in glucose homeostasis, we observed marked improvements in glucose tolerance in tamoxifen-treated, but not corn-oil-treated, HSA-Cre mice fed a high-fat diet vs their wild-type littermates. Moreover, Cre dissociation from heat shock protein 90 and translocation to the nucleus was only seen following tamoxifen treatment. These improvements in glucose tolerance were not due to improvements in insulin sensitivity/signalling or enhanced energy metabolism, but appeared to stem from increases in circulating insulin.

Conclusions/interpretation

The intrinsic glycaemia phenotype in the HSA-Cre mouse necessitates the use of HSA-Cre controls, treated with tamoxifen, when using Cre-loxP models to investigate skeletal muscle-specific gene/protein function and glucose homeostasis.
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20.

Background

The decision to initiate insulin in patients with type 2 diabetes is a challenging escalation of care that requires an individualized approach. However, the sociodemographic and clinical factors affecting insulin initiation are not well understood.

Objective

We sought to identify patient factors that were independent predictors of insulin initiation among participants in the Look AHEAD (Action for Health in Diabetes) clinical trial.

Design

Retrospective analysis of a randomized clinical trial.

Participants

Beginning in 2001, Look AHEAD enrolled ambulatory U.S. adults with type 2 diabetes who were overweight or obese and had a primary healthcare provider. Participants were randomized (1:1) to an intensive lifestyle intervention, or diabetes support and education. This study examined 3913 participants across the two trial arms who were not using insulin at baseline.

Main Measures

We used Cox proportional hazards models to estimate the association between participant characteristics and time to insulin initiation. We performed time-varying adjustment for HbA1c measured eight times over the 10-year study period, as well as for multiple clinical and socioeconomic factors.

Key Results

A total of 1087 participants (27.8%) initiated insulin during a median follow-up of 8.0 years. Age was inversely associated with insulin initiation (adjusted hazard ratio [aHR] 0.88 per 10 years, P?=?0.025). The risk of insulin initiation was greater with a higher number of diabetes complications (P?<?0.001 for trend); chronic kidney disease and cardiovascular disease were independently associated with insulin initiation. There was a lower risk of insulin initiation in black (aHR 0.77, P?=?0.008) and Hispanic participants (aHR 0.66, P?<?0.001) relative to white participants. Socioeconomic factors were not associated with insulin initiation.

Conclusions

Patient age, race/ethnicity, and diabetes complications may influence insulin initiation in type 2 diabetes, independent of glycemic control. Future work is needed to understand the drivers of racial differences in antihyperglycemic treatment, and to identify patients who benefit most from insulin.
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