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A randomized trial comparing the efficacy and safety of treating patients with type 2 diabetes and highly elevated HbA1c levels with basal-bolus insulin or a glucagon-like peptide-1 receptor agonist plus basal insulin: The SIMPLE study.
Abreu, M, Tumyan, A, Elhassan, A, Peicher, K, Papacostea, O, Dimachkie, P, Siddiqui, MS, Pop, LM, Gunasekaran, U, Meneghini, LF, et al
Diabetes, obesity & metabolism. 2019;(9):2133-2141
Abstract
AIM: To compare the efficacy and safety of a glucagon-like peptide-1 receptor agonist (GLP1RA) plus basal insulin versus basal-bolus insulin treatment in patients with very uncontrolled type 2 diabetes. MATERIALS AND METHODS The SIMPLE study was a 6-month pragmatic, randomized, open-label trial testing the effectiveness of two approaches to treat patients with type 2 diabetes and HbA1c ≥10%. We randomized patients to detemir plus liraglutide or detemir plus aspart (before each meal). The primary endpoint was change in HbA1c; changes in body weight, insulin dose, hypoglycaemia and diabetes-related quality-of-life were secondary outcomes. RESULTS We randomized 120 participants aged 47.4 ± 9.5 years, Hispanic 40%, African American 42%, diabetes duration 10 [25th-75th percentile (6 to 15)] years, body mass index 37.2 ± 10.3 kg/m2 . HbA1c decreased more with GLP1RA plus basal insulin [12.2% (95% CI 11.8% to 12.6%) to 8.1% (95% CI 7.4% to 8.7%)] compared with basal-bolus insulin [11.8% (95% CI 11.5% to 12.2%) to 8.8% (95% CI 88.1% to 9.55%)]; estimated treatment difference (ETD) of -1.1% (95% CI -2.0% to -0.1%) (non-inferiority margin 0.4% and P = .0001, superiority P = .026). Compared with basal-bolus insulin, treatment with GLP1RA plus basal insulin led to a body weight ETD of -3.7 kg (95% CI -5.8 to -1.5; P = .001), fewer patients experiencing hypoglycaemia [66.1% vs 35.2% (P = .002)], and greater improvements in general/current health perception, treatment satisfaction, and fear of hypoglycaemia, while taking a lower total daily dose of insulin [estimated treatment ratio 0.68 (95% CI 0.55 to 0.84)]. CONCLUSIONS In patients with HbA1c ≥10% treatment with GLP1RA plus basal insulin, compared with basal-bolus insulin, resulted in better glycaemic control and body weight, lower insulin dosage and hypoglycaemia, and improved quality of life. This treatment strategy is an effective and safe alternative to a basal-bolus insulin regimen.
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Effects of Mobile Text Messaging on Glycemic Control in Patients With Coronary Heart Disease and Diabetes Mellitus: A Randomized Clinical Trial.
Huo, X, Krumholz, HM, Bai, X, Spatz, ES, Ding, Q, Horak, P, Zhao, W, Gong, Q, Zhang, H, Yan, X, et al
Circulation. Cardiovascular quality and outcomes. 2019;(9):e005805
Abstract
BACKGROUND Mobile health interventions may support risk factor management and are readily scalable in healthcare systems. We aim to evaluate the efficacy of a text messaging-based intervention to improve glycemic control in patients with coronary heart disease and diabetes mellitus in China. METHODS AND RESULTS The CHAT-DM study (Cardiovascular Health and Texting-Diabetes Mellitus) was a parallel-group, single-blind, randomized clinical trial that included 502 patients with both coronary heart disease and diabetes mellitus from 34 hospitals in China. The intervention group (n=251) received 6 text messages per week for 6 months in addition to usual care. Messages were theory driven and culturally tailored to provide educational and motivational information on glucose monitoring, blood pressure control, medication adherence, physical activity, and lifestyle. The control group (n=251) received usual care and 2 thank you messages per month. The primary outcome was change in glycated hemoglobin (HbA1C [hemoglobin A1C]) from baseline to 6 months. Secondary outcomes were change in proportion of patients achieving HbA1C <7%, fasting blood glucose, systolic blood pressure, LDL (low-density lipoprotein) cholesterol, body mass index, and physical activity from baseline to 6 months. The end points were assessed using analyses of covariance. The follow-up rate was 99%. When compared with control group at 6 months, the intervention group had a greater reduction in HbA1C (-0.2% versus 0.1%; P=0.003) and a greater proportion of participants who achieved HbA1C <7% (69.3% versus 52.6%; P=0.004). Change in fasting blood glucose was larger in the intervention group (between-group difference: -0.6 mmol/L; 95% CI, -1.1 to -0.2; P=0.011), but no other outcome differences were observed. Nearly all participants reported that messages were easy to understand (97.1%) and useful (94.1%). CONCLUSIONS A text message intervention resulted in better glycemic control in patients with diabetes mellitus and coronary heart disease. While the mechanism of this benefit remains to be determined, the results suggest that a simple, culturally sensitive mobile text messaging program may provide an effective and feasible way to improve disease self-management. CLINICAL TRIAL REGISTRATION URL: http://www.clinicaltrials.gov. Unique identifier: NCT02883842.
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Dorzagliatin monotherapy in Chinese patients with type 2 diabetes: a dose-ranging, randomised, double-blind, placebo-controlled, phase 2 study.
Zhu, D, Gan, S, Liu, Y, Ma, J, Dong, X, Song, W, Zeng, J, Wang, G, Zhao, W, Zhang, Q, et al
The lancet. Diabetes & endocrinology. 2018;(8):627-636
Abstract
BACKGROUND Glucokinase acts as a glucose sensor in the pancreas and a glucose processor in the liver, and has a central role in glucose homoeostasis. Dorzagliatin is a new, dual-acting, allosteric glucokinase activator that targets both pancreatic and hepatic glucokinases. Dorzagliatin has good pharmacokinetic and pharmacodynamic properties in humans, and provides effective 24-h glycaemic control and improves glucose sensitivity in patients with type 2 diabetes. We aimed to assess the efficacy and safety of dorzagliatin monotherapy at different doses in Chinese patients with type 2 diabetes. METHODS In this multicentre, randomised, double-blind, placebo-controlled, phase 2 study, we randomly assigned (1:1:1:1:1) patients to receive oral placebo or one of four doses of oral dorzagliatin (75 mg once a day, 100 mg once a day, 50 mg twice a day, or 75 mg twice a day) using permuted-block randomisation, with a block size of ten and without stratification. Eligible patients were men or non-fertile women (aged 40-75 years) with type 2 diabetes who had a BMI of 19·0-30·0 kg/m2, were on a diet and exercise regimen, and were previously untreated or treated with metformin or α-glucosidase inhibitor monotherapy. The study started with a 4-week placebo run-in period followed by a 12-week treatment period. The primary endpoint was the change in HbA1c from baseline to week 12, which was assessed in all patients who received at least one dose of study drug and had both baseline and at least one post-baseline HbA1c value. Safety was assessed in all patients who received at least one dose of study drug. This study is registered with ClinicalTrials.gov, number NCT02561338. FINDINGS Between Sept 29, 2015, and Aug 17, 2016, we randomly assigned 258 patients to one of the five study groups. At the end of 12 weeks, the least squares mean change in HbA1c from baseline was -0·35% (95% CI -0·60 to -0·10) in the placebo group, -0·39% (-0·64 to -0·14) in the 75 mg once daily group, -0·65% (-0·92 to -0·38) in the 100 mg once daily group, -0·79% (-1·06 to -0·52) in the 50 mg twice daily group, and -1·12% (-1·39 to -0·86) in the 75 mg twice daily group. Compared with the placebo group, the change in HbA1c between baseline and 12 weeks was significant in the 50 mg twice daily (p=0·0104) and the 75 mg twice daily (p<0·0001) groups. The number of adverse events was similar between the treatment groups and the placebo group. There were no reports of drug-related serious adverse events or severe hypoglycaemia. INTERPRETATION Dorzagliatin had a beneficial effect on glycaemic control and was safe and well tolerated over 12 weeks in Chinese patients with type 2 diabetes. FUNDING Hua Medicine, National Major Scientific and Technological Special Project for Significant New Drugs Development, Shanghai Science and Technology Innovation Action Project, Shanghai Pudong District Science and Technology Innovation Action Project, and Shanghai Municipal Commission of Economy and Informatisation Innovation Action Project.
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Clinical characteristics of type 2 diabetes patients with discordance between HbA1c and fasting plasma glucose in the real world: An analysis of the ORBIT study.
Shu, H, Lu, J, Zhang, P, Zhu, D, Li, X, Ji, J, Zhao, F, Ji, L
Diabetes/metabolism research and reviews. 2018;(4):e2977
Abstract
BACKGROUND We aimed to determine the clinical characteristics of type 2 diabetes patients on basal insulin therapy with inadequate glucose control due to discordance between glycated haemoglobin (HbA1c ) and fasting plasma glucose (FPG) in the real world. METHODS This was a retrospective analysis of data from the ORBIT study in China. Clinical characteristics of patients with discordance between HbA1c and FPG at baseline and at the end of 6 months of follow-up were analysed using multinomial logistic regression in 4 study groups divided by HbA1c and FPG. RESULTS Overall, of 6721 patients initiated on basal insulin, 853 achieved HbA1c < 7% but FPG ≥ 7 mmol/L (group 2), while 997 had FPG < 7 mmol/L but HbA1c ≥ 7% (group 3) at the end of follow-up. Patients in group 3 had a longer duration of type 2 diabetes compared with those in group 2 (7.22 ± 5.30 vs 6.00 ± 4.80 y, P < .05). Patients on glargine (32.90%) or detemir (36.88%) treatment accounted for a higher proportion of patients with both HbA1c and FPG controlled than those on neutral protamine Hagedorn therapy (23.45%; P < .05). Per the multinomial logistic analysis, higher frequency of self-monitoring of blood glucose (SMBG) and use of glargine or detemir therapy were significantly inversely associated with risk of discordance between HbA1c and FPG, while dose of insulin was a risk factor for discordance at the end of follow-up (all P < .05). CONCLUSIONS Patients treated with insulin analogues (glargine or detemir), instead of neutral protamine Hagedorn, and with more frequent SMBG are more likely to exhibit concordance between HbA1c and FPG.
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Noninferiority effects on glycemic control and β-cell function improvement in newly diagnosed type 2 diabetes patients: basal insulin monotherapy versus continuous subcutaneous insulin infusion treatment.
Zeng, L, Lu, H, Deng, H, Mu, P, Li, X, Wang, M
Diabetes technology & therapeutics. 2012;(1):35-42
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Abstract
AIMS: In newly diagnosed type 2 diabetes mellitus (T2DM) patients, short-term insulin therapy might improve β-cell function and glycemic control. This study aimed to compare the effects of basal insulin monotherapy with continuous subcutaneous insulin infusion (CSII) treatment. METHODS Fifty-nine cases of newly diagnosed T2DM patients with fasting plasma glucose of 9.0-16.7 mmol/L were recruited into this study. They were hospitalized and randomly assigned to a basal insulin monotherapy group (n=27) or a CSII group (n=32). Insulin dosage was titrated according to fasting capillary blood glucose levels, and treatment was stopped after 2 weeks. Intravenous glucose tolerance tests were performed, and blood glucose, insulin, C-peptide, and lipid profiles were measured before therapy and 2 days after therapy withdrawal. RESULTS Both treatments reduced fasting and postprandial blood glucose levels (after treatment vs. baseline, both P<0.05). Fasting glycemic control target was achieved in 52 cases (88.14%) with 2 weeks of insulin treatment, and there were no significant differences between the glargine and CSII groups (P=0.059). The time to achieve fasting glycemic target in the CSII group was shorter than that in the glargine group (P<0.01). Plasma lipid profiles such as triglycerides and total cholesterol also decreased significantly after the intervention. Overall β-cell function improved significantly after insulin intervention (P<0.01). Variation did not differ between two groups, nor did the effects on insulin and C-peptide secretion (P>0.05). CONCLUSIONS The effect of basal insulin monotherapy was similar to that of CSII, and thus basal insulin monotherapy might be a reasonable alternative to CSII for initial insulin therapy in newly diagnosed T2DM patients.
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Protective effects of 1-alpha-hydroxyvitamin D3 on residual beta-cell function in patients with adult-onset latent autoimmune diabetes (LADA).
Li, X, Liao, L, Yan, X, Huang, G, Lin, J, Lei, M, Wang, X, Zhou, Z
Diabetes/metabolism research and reviews. 2009;(5):411-6
Abstract
BACKGROUND Previous in vitro and in vivo studies have demonstrated that vitamin D could prevent pancreatic beta-cell destruction and reduce the incidence of autoimmune diabetes. In children with type 1 diabetes, vitamin D treatment produces moderate protective effects on residual beta-cell function and has proven to be safe. Therefore, we hypothesized that vitamin D might have protective effects on beta-cell function in patients with latent autoimmune diabetes in adults (LADA), a form of slowly progressive autoimmune type 1 diabetes. METHODS Thirty-five patients with LADA were randomly assigned to receive subcutaneous insulin alone (n = 18) or insulin plus 1-alpha-hydroxyvitamin D3 (1-alpha(OH)D3; 0.5 microg per day) (n = 17) for 1 year. Plasma C-peptide levels in fasting state (FCP) and 2 h after 75-g glucose load (PCP) were measured every 6 months with radioimmunoassay. RESULTS Both FCP and PCP levels stayed steady in the insulin plus 1-alpha(OH)D3 group, while FCP decreased in insulin-alone group (P = 0.006) during the 12-month intervention. Seventy percent of patients treated with 1-alpha(OH)D3 maintained or increased their FCP concentrations after 1 year of treatment, while only 22% of patients treated with insulin alone maintained stable FCP levels (P < 0.01). Further analysis on LADA subgroups with different durations of diabetes demonstrated that islet beta-cell function was better preserved (as reflected by significantly higher FCP and PCP levels) in the 1-alpha(OH)D3 plus insulin group only in patients with diabetes duration no longer than 1 year. No severe side effects were observed in any group. CONCLUSION Our data suggest that 1-alpha(OH)D3 plus insulin therapy can preserve pancreatic beta-cell function in patients with LADA.