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1.
Lactation ketoacidosis: case presentation and literature review.
Al Alawi, AM, Falhammar, H
BMJ case reports. 2018
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Abstract
A 35-year-old woman presented to the emergency department with a 2 days history of malaise and headache. She was breastfeeding her 5-month old infant and had recently started an altered diet based on reducing carbohydrate amount. Moreover, she had also started exercising 2 weeks prior to her illness. Initial blood tests revealed high anion gap metabolic acidosis and hypoglycaemia (pH 7.13 (normal 7.30-7.40), bicarbonate 9.4 mmol/L (normal 21.0-28.0), anion gap 22.6 mmol/L (normal 8-12), glucose 2.9 mmol/L (normal fasting 3.9-5.8) and ketones 6.4 mmol/L (normal <0.6)). The patient was treated with intravenous dextrose and showed complete resolution of ketoacidosis and hypoglycaemia within 48 hours. She was discharged home and remained well with a balanced diet. After excluding all other the causes of hypoglycaemia and ketoacidosis, the diagnosis of lactation ketoacidosis was made and it was considered triggered by altered diet, exercise and skipping meals. All 11 cases of lactation ketoacidosis which has previously been published are reviewed as well.
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2.
Impact of erroneous meal insulin bolus with dual-hormone artificial pancreas using a simplified bolus strategy - A randomized controlled trial.
Gingras, V, Smaoui, MR, Cameli, C, Messier, V, Ladouceur, M, Legault, L, Rabasa-Lhoret, R
Scientific reports. 2018;(1):2621
Abstract
Postprandial glucose control remains challenging for patients with type 1 diabetes (T1D). A simplified meal bolus approach with a dual-hormone (insulin and glucagon) closed-loop system (DH-CLS) has been tested; yet, the impact of categorization errors with this strategy is unknown. The objective was to compare, in a randomized controlled inpatient trial, DH-CLS with the simplified meal bolus approach for two different meals properly categorized or overestimated. We tested, in patients with T1D, the simplified strategy with two standardized breakfasts (n = 10 per meal) adequately categorized or overestimated: (1) 75 g and (2) 45 g of carbohydrate. No difference was observed for percentage of time <4.0 mmol/L over a 4-hour post-meal period (primary outcome; median [IQR]: 0[0-0] vs. 0[0-0] for both comparisons, p = 0.47 and 0.31 for the 75 g and 45 g meals, respectively). Despite higher meal insulin boluses with overestimation for both meals (9.2 [8.2-9.6] vs. 8.1 [7.3-9.1] U and 8.4 [7.2-10.4] vs. 4.8 [3.7-5.6] U; p < 0.05), mean glycemia, percentage of time in target range and glucagon infusion did not differ. Additional scenarios were tested in silico with comparable results. These results suggest that the DH-CLS with a simplified meal bolus calculation is probably able to avoid hypoglycemia in the event of meal size misclassification.
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3.
Weight-based carbohydrate treatment of hypoglycaemia in people with Type 1 diabetes using insulin pump therapy: a randomized crossover clinical trial.
McTavish, L, Corley, B, Weatherall, M, Wiltshire, E, Krebs, JD
Diabetic medicine : a journal of the British Diabetic Association. 2018;(3):339-346
Abstract
AIM: To test whether weight-based treatment is more effective than usual care in people with Type 1 diabetes receiving continuous subcutaneous insulin infusion therapy with regard to both hypoglycaemia and avoiding excessive rebound hyperglycaemia. METHODS Children and adults on continuous subcutaneous insulin infusion were enrolled into a study with a crossover design. Each episode of hypoglycaemia (defined as capillary glucose <4.0 mmol/l) was randomly assigned one of two treatment protocols using glucose tablets: either 0.3 g/kg body weight or usual treatment with 15 g (adults) or 10 g (children) for capillary glucose levels 3-3.9 mmol/l or twice these doses for capillary glucose levels <3 mmol/l. All participants received each treatment in random order for up to 10 hypoglycaemic episodes. Glucose levels were re-tested 10 min after treatment, with a repeat dose if still <4 mmol/l. RESULTS Of the 37 participants enrolled, 35 (aged 6-68 years) completed the study. Twenty-four participants completed all treatment episodes, while 10 participants had <10 hypoglycaemic episodes and two withdrew without data. The mean glucose difference between weight-based and usual treatment after 10 min was 0.33 mmol/l (95% CI 0.005 to 0.66; P=0.047) in adults and 0.45 (95% CI 0.18 to 0.72; P=0.001) in children. The odds ratios for resolution of hypoglycaemia at 10 min with a single treatment using weight-based compared with usual treatment were 3.12 (95% CI 1.38 to 7.02; P=0.0070) in adults and 2.61 (95% CI 1.19 to 5.74; P=0.017) in children. CONCLUSIONS Weight-based treatment using 0.3 g/kg glucose was more effective for symptomatic hypoglycaemia in children and adults with Type 1 diabetes who were using continuous subcutaneous insulin infusion than treatment based on current international recommendations.
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Islet transplantation versus insulin therapy in patients with type 1 diabetes with severe hypoglycaemia or poorly controlled glycaemia after kidney transplantation (TRIMECO): a multicentre, randomised controlled trial.
Lablanche, S, Vantyghem, MC, Kessler, L, Wojtusciszyn, A, Borot, S, Thivolet, C, Girerd, S, Bosco, D, Bosson, JL, Colin, C, et al
The lancet. Diabetes & endocrinology. 2018;(7):527-537
Abstract
BACKGROUND Islet transplantation is indicated for patients with type 1 diabetes with severe hypoglycaemia or after kidney transplantation. We did a randomised trial to assess the efficacy and safety of islet transplantation compared with insulin therapy in these patients. METHODS In this multicentre, open-label, randomised controlled trial, we randomly assigned (1:1) patients with type 1 diabetes at 15 university hospitals to receive immediate islet transplantation or intensive insulin therapy (followed by delayed islet transplantation). Eligible patients were aged 18-65 years and had severe hypoglycaemia or hypoglycaemia unawareness, or kidney grafts with poor glycaemic control. We used computer-generated randomisation, stratified by centre and type of patient. Islet recipients were scheduled to receive 11 000 islet equivalents per kg bodyweight in one to three infusions. The primary outcome was proportion of patients with a modified β-score (in which an overall score of 0 was not allocated when stimulated C-peptide was negative) of 6 or higher at 6 months after first islet infusion in the immediate transplantation group or 6 months after randomisation in the insulin group. The primary analysis included all patients who received the allocated intervention; safety was assessed in all patients who received islet infusions. This trial is registered with ClinicalTrials.gov, number NCT01148680, and is completed. FINDINGS Between July 8, 2010, and July 29, 2013, 50 patients were randomly assigned to immediate islet transplantation (n=26) or insulin treatment (n=24), of whom three (one in the immediate islet transplantation group and two in the insulin therapy group) did not receive the allocated intervention. Median follow-up was 184 days (IQR 181-186) in the immediate transplantation group and 185 days (172-201) in the insulin therapy group. At 6 months, 16 (64% [95% CI 43-82]) of 25 patients in the immediate islet transplantation group had a modified β-score of 6 or higher versus none (0% [0-15]) of the 22 patients in the insulin group (p<0·0001). At 12 months after first infusion, bleeding complications had occurred in four (7% [2-18]) of 55 infusions, and a decrease in median glomerular filtration rate from 90·5 mL/min (IQR 76·6-94·0) to 71·8 mL/min (59·0-89·0) was observed in islet recipients who had not previously received a kidney graft and from 63·0 mL/min (55·0-71·0) to 57·0 mL/min (45·5-65·1) in islet recipients who had previously received a kidney graft. INTERPRETATION For the indications assessed in this study, islet transplantation effectively improves metabolic outcomes. Although studies with longer-term follow-up are needed, islet transplantation seems to be a valid option for patients with severe, unstable type 1 diabetes who are not responding to intensive medical treatments. However, immunosuppression can affect kidney function, necessitating careful selection of patients. FUNDING Programme Hospitalier de Recherche Clinique grant from the French Government.
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Impact of Insulin Degludec in Hospitalized Patients With and Without Type 2 Diabetes Requiring Parenteral/Enteral Nutrition: An Observational Study.
Fatati, G, Di Donato, A, Grandone, I, Menicocci, P, Mirri, E, Prosperini, G, Scardapane, M, Rossi, MC, Palazzi, M
Advances in therapy. 2018;(6):809-816
Abstract
INTRODUCTION Hyperglycemia in inpatients is a major problem, especially when nutritional support is required. This study aims to assess the impact of treatment with insulin degludec (IDeg) on mean blood glucose (BG) and glycemic variability in noncritical hospitalized patients with and without type 2 diabetes (T2DM) receiving enteral and/or parenteral nutrition (EN, PN). METHODS Mean BG and glycemic variability from admission up to 7 days of hospitalization were evaluated in consecutive cases with and without T2DM. Percentage of coefficient of variation (CV) for glucose was used to express glycemic variability. RESULTS Overall, 26 patients (13 with and 13 without T2DM) were admitted to the hospital for any cause. Subjects were 65.4% men and they were mainly elderly (mean age 66.3 ± 13.4 years). PN was administered in 88.5% of patients and EN in 19.2%. At admission, mean HbA1c level was 5.9 ± 0.7% in patients without diabetes and 9.1 ± 2.5% in patients with T2DM. During hospitalization, mean daily BG levels changed from 151 ± 47.3 mg/dl (day 1) to 157 ± 66.7 mg/dl (day 7) in patients without diabetes and from 210 ± 66.5 mg/dl to 192 ± 48.6 mg/dl in patients with T2DM. CV decreased from 14% (day 1) to 11% (day 7) in patients without diabetes and from 20% (day 1) to 9% (day 7) in patients with T2DM. No symptomatic or severe hypoglycemia occurred. CONCLUSIONS Despite the small sample size and the lack of control group, this study represents the first proof-of-concept that IDeg in hospitalized patients with or without T2DM who require nutritional support has the potential to maintain stable levels of BG and reduce glycemic variability. FUNDING Novo Nordisk S.p.A. grant.
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Adherence to a lifestyle program for youth with type 2 diabetes and its association with treatment outcome in the TODAY clinical trial.
Berkowitz, RI, Marcus, MD, Anderson, BJ, Delahanty, L, Grover, N, Kriska, A, Laffel, L, Syme, A, Venditti, E, Van Buren, DJ, et al
Pediatric diabetes. 2018;(2):191-198
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Abstract
OBJECTIVE To assess the association of proxies of behavioral adherence to the Treatment Options for type 2 Diabetes in Adolescents and Youth (TODAY) lifestyle program with changes in glycemic control and obesity in a multi-ethnic sample of youth with type 2 diabetes. METHODS The TODAY clinical trial included an intensive lifestyle intervention to promote weight reduction. Adherence was assessed with measures of attendance at intervention sessions and rates of self-monitoring of diet and physical activity by participants and their caregivers. The relation between participant characteristics and consistency of proxies of adherence were examined across 3 phases of intervention. RESULTS A total of 234 TODAY youth were randomized to the lifestyle program. Overall rate of session attendance was approximately 60% of planned sessions. Participants with an adequate dose of session attendance (≥75% attended) did not differ from those who attended <75% of sessions in glycemic control, but did have significantly greater reductions in percent overweight compared with those who attended fewer than 75% of sessions. Rates of self-monitoring were low and additional analysis was not possible. CONCLUSIONS Rates of session attendance were moderate in a lifestyle program for youth with type 2 diabetes, but levels of self-monitoring, considered a key lifestyle change behavior, were low. Glycemic control was not significantly associated with session attendance but reductions in percent overweight were. Given the salience of program attendance and self-monitoring to lifestyle weight management established in other populations, future research is needed to understand, develop, and promote strategies and interventions targeting weight loss to achieve improved glycemic control in youth diagnosed with type 2 diabetes.
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Glucose Gel as a Potential Alternative Treatment to Infant Formula for Neonatal Hypoglycaemia in Australia.
Barber, RL, Ekin, AE, Sivakumar, P, Howard, K, O'Sullivan, TA
International journal of environmental research and public health. 2018;(5)
Abstract
Infant formula is often used as a treatment for neonatal hypoglycaemia in Australia; however, there are concerns that this may jeopardise mother-baby bonding and breastfeeding. Successful use of glucose gel as an alternative treatment for hypoglycaemia has been reported. We wanted to investigate in a pilot study whether the use of glucose gel has the potential to quickly and safely restore normoglycaemia in the infants of diabetic mothers in an Australian setting. Infants with asymptomatic hypoglycaemia were treated with glucose gel (n = 36) and compared to a historical group of infants which had been treated with infant formula (n = 24). Within 15 min of the first treatment, the gel group had a mean blood glucose level (BGL) of 2.6 mmol/L, and 2.7 mmol/L 30 min after the second treatment. This was lower than the BGL after the first treatment for the formula group, which rose to a mean of 2.8 then to 3.2 mmol/L after the second treatment (p = 0.003). In successfully treated infants, administration of the gel resulted in normoglycaemia within 30 min. The likelihood of special care nursery admission was not significantly different between the groups, although we had a small sample size, and our findings should be interpreted with caution. These pilot results provide support for further investigations into the use of glucose gel as an alternative treatment to infant formula.
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The effects of add-on exenatide to insulin on glycemic variability and hypoglycemia in patients with type 1 diabetes mellitus.
Jiang, LL, Wang, SQ, Ding, B, Zhu, J, Jing, T, Ye, L, Lee, KO, Wu, JD, Ma, JH
Journal of endocrinological investigation. 2018;(5):539-547
Abstract
OBJECTIVE To investigate the effect of add-on exenatide to insulin on glycemic excursion and the counter-regulatory hormone in response to hypoglycemia in patients with type 1 diabetes mellitus (T1DM). METHODS 30 patients with T1DM were recruited and randomly assigned to exenatide + insulin-treated group (group 1, n = 15) or insulin-only-treated group (group 2, n = 15) for 4 weeks. All patients had continuous glucose monitor system (CGMS) applied at before (week-0) and after (week-4) treatment to evaluate the glycemic variability. All patients had an arginine-stimulated test at before and after treatment. Six patients from each group also had hypoglycemic clamp test to assess counter-regulatory hormone level. RESULTS Patients in the exenatide group had significant reductions in body weight, body mass index (BMI), total insulin dose, bolus insulin dose, fructosamine, and glycemic excursion after 4 weeks' treatment. Compared with patients in group 2, the mean amplitude of glycemic excursion (MAGE) and coefficient of variation (CV) of exenatide group decreased significantly. Similarly, a significant decrease of glucagon (GLC) in the arginine-stimulated test was found in group 1. No significant changes of GLC, growth hormone (GH), cortisol (COR), epinephrine (E), and norepinephrine (NE) were found in both groups during hypoglycemia clamp test. However, patients who had residual islet function in group 1 showed an upward trend of basic C-peptide (C-P) and GLC during the hypoglycemia period. CONCLUSION Although exenatide could inhibit glucagon secretion during euglycemia or hyperglycemia in patients with T1DM, it has no effect on GLC and counter-regulatory hormones during hypoglycemia clamp in patients with no functional residual islet test.
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Stable Liquid Glucagon: Beyond Emergency Hypoglycemia Rescue.
Wilson, LM, Castle, JR
Journal of diabetes science and technology. 2018;(4):847-853
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Abstract
Glycemic control is the mainstay of preventing diabetes complications at the expense of increased risk of hypoglycemia. Severe hypoglycemia negatively impacts the quality of life of patients with type 1 diabetes and can lead to morbidity and mortality. Currently available glucagon emergency kits are effective at treating hypoglycemia when correctly used, however use is complicated especially by untrained persons. Better formulations and devices for glucagon treatment of hypoglycemia are needed, specifically stable liquid glucagon. Out of the scope of this review, other potential uses of stable liquid glucagon include congenital hyperinsulinism, post-bariatric surgery hypoglycemia, and insulinoma induced hypoglycemia. In the 35 years since Food and Drug Administration (FDA) approval of the first liquid stable human recombinant insulin, we continue to wait for the glucagon counterpart. For mild hypoglycemia, a commercially available liquid stable glucagon would enable more widespread implementation of mini-dose glucagon use as well as glucagon in dual hormone closed-loop systems. This review focuses on the current and upcoming pharmaceutical uses of glucagon in the treatment of type 1 diabetes with an outlook on stable liquid glucagon preparations that will hopefully be available for use in patients in the near future.
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Long-term safety of long-acting octreotide in patients with diabetic retinopathy: results of pooled data from 2 randomized, double-blind, placebo-controlled phase 3 studies.
Pivonello, R, Muscogiuri, G, Holder, G, Paul, M, Sarp, S, Lesogor, A, Jordaan, P, Eisinger, J, Colao, A
Endocrine. 2018;(1):65-72
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Abstract
PURPOSE Octreotide (OCT) has been successfully used for treatment of acromegaly and neuroendocrine tumors for more than 30 years. However, long-term safety of OCT has not been documented in placebo-controlled setting. This present analysis pooled safety data from two similarly-designed, randomized, and placebo-controlled studies to evaluate long-term safety of long-acting OCT (20, 30 mg); targeted post-hoc analyzes focused on cardiac, hepatic, and renal safety. METHODS Two studies (NCT00131144, NCT001308450) were conducted in patients with diabetic retinopathy (OCT20 = 191, OCT30 = 348, placebo = 347). In this analysis, patients were stratified based on baseline glomerular filtration rate. Hepatic, cardiac, and renal adverse events (AEs) were identified by standardized MedDRA queries. RESULTS Median duration of exposure was >3.5 years. Most common AEs reported with OCT were diarrhea, cholelithiasis, hypoglycemia, nasopharyngitis, and hypertension. Incidence of cardiac events (QT prolongation and arrhythmia) with OCT20 and OCT30 were comparable to placebo (OCT20, RR = 1.11 [95% CI, 0.61-2.03]; OCT30, RR = 1.09 [95% CI, 0.70-1.68]). For ECG findings, changes in QTcF were similar in treatment groups, and outliers did not exceed 480 ms. Incidence of cardiac ischemia was lower with OCT than placebo (OCT20 = 12.6%, OCT30 = 10.6%, placebo = 15.3%). Incidence of liver-related AEs was higher with OCT30 than placebo (RR = 2.04 [95% CI, 1.28-3.26]); incidences were comparable with OCT20 and placebo (RR = 1.50 [95% CI, 0.69-3.25]). Overall incidences of renal AEs were comparable between treatment groups (OCT20 = 5.8%; OCT30 = 6.3%; placebo = 7.2%). Drug-related SAEs were reported more frequently with OCT (OCT20 = 7.9%; OCT30 = 10.1%; placebo = 3.5%); predominantly gallbladder-related, GI-related, and hypoglycemia. CONCLUSIONS The results from these long-term placebo-controlled studies confirm the established safety profile of long-acting OCT, in particular low risk of cardiac, hepatic and renal toxicity in a high-risk population.