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Dapagliflozin as monotherapy or combination therapy in Japanese patients with type 2 diabetes: an open-label study.

ABSTRACT: INTRODUCTION:Dapagliflozin is a selective sodium glucose co-transporter 2 inhibitor that improves glycemic control and reduces body weight and systolic blood pressure in patients with type 2 diabetes mellitus (T2DM). Dapagliflozin is effective and well tolerated over 12-24 weeks in Japanese patients with T2DM. In this study, the safety and efficacy of dapagliflozin administered as monotherapy and combination therapy were assessed over 52 weeks in Japanese patients with T2DM. METHODS:This was a 52-week open-label Phase 3 study consisting of a single treatment arm with no comparator. Dapagliflozin was administered as monotherapy (n = 249) or combination therapy (n = 479) with existing antihyperglycemic agents (sulfonylurea, glinides, metformin, alpha-glucosidase inhibitors, thiazolidinediones, dipeptidyl peptidase-4 inhibitors, or glucagon-like peptide-1 receptor agonists) to Japanese patients with T2DM and inadequate glycemic control for 52 weeks. Treatment with dapagliflozin was initiated at 5 mg/day and titrated to 10 mg/day as required. RESULTS:Dapagliflozin administered as monotherapy or combination therapy was well tolerated. The frequency of adverse events (AEs) over 52 weeks was similar between monotherapy (79.1%) and combination therapy (72.4%) groups, and AEs were mostly mild or moderate. The incidence of hypoglycemia at 52 weeks was 2.4% in the monotherapy group and 4.0% in the combination therapy group. In patients receiving dapagliflozin as monotherapy or combination therapy, reductions from baseline to week 52 were observed in glycosylated hemoglobin (HbA1c) (-0.7% in both groups), weight (-2.6 and -2.1 kg, respectively), and systolic blood pressure (-5.2 mmHg and -3.9 mmHg). In patients with insufficient response to 5 mg/day, dapagliflozin was increased to 10 mg/day, and a further decrease in HbA1c from the pre-titration value was observed in both groups. CONCLUSION:Dapagliflozin was well tolerated and effective as monotherapy or combination therapy in Japanese patients with T2DM over 52 weeks.

SUBMITTER: Kaku K

PROVIDER: S-EPMC4269643 | biostudies-literature | 2014 Dec

REPOSITORIES: biostudies-literature

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Dapagliflozin as monotherapy or combination therapy in Japanese patients with type 2 diabetes: an open-label study.

Kaku Kohei K Maegawa Hiroshi H Tanizawa Yukio Y Kiyosue Arihiro A Ide Yumiko Y Tokudome Takuto T Hoshino Yuji Y Yang Jisin J Langkilde Anna Maria AM

Diabetes therapy : research, treatment and education of diabetes and related disorders 20141024 2

<h4>Introduction</h4>Dapagliflozin is a selective sodium glucose co-transporter 2 inhibitor that improves glycemic control and reduces body weight and systolic blood pressure in patients with type 2 diabetes mellitus (T2DM). Dapagliflozin is effective and well tolerated over 12-24 weeks in Japanese patients with T2DM. In this study, the safety and efficacy of dapagliflozin administered as monotherapy and combination therapy were assessed over 52 weeks in Japanese patients with T2DM.<h4>Methods</ ...[more]

PMID: 25341477

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Project description:The limited understanding of the heterogeneity in the treatment response to antidiabetic drugs contributes to metabolic deterioration and cardiovascular complications1,2, stressing the need for more personalized treatment1. Although recent attempts have been made to classify diabetes into subgroups, the utility of such stratification in predicting treatment response is unknown3. We enrolled participants with type 2 diabetes (n = 239, 74 women and 165 men) and features of severe insulin-deficient diabetes (SIDD) or severe insulin-resistant diabetes (SIRD). Participants were randomly assigned to treatment with the glucagon-like peptide 1 receptor agonist semaglutide or the sodium-glucose cotransporter 2 inhibitor dapagliflozin for 6 months (open label). The primary endpoint was the change in glycated haemoglobin (HbA1c). Semaglutide induced a larger reduction in HbA1c levels than dapagliflozin (mean difference, 8.2 mmol mol-1; 95% confidence interval, -10.0 to -6.3 mmol mol-1), with a pronounced effect in those with SIDD. No difference in adverse events was observed between participants with SIDD and those with SIRD. Analysis of secondary endpoints showed greater reductions in fasting and postprandial glucose concentrations in response to semaglutide in participants with SIDD than in those with SIRD and a more pronounced effect on postprandial glucose by dapagliflozin in participants with SIDD than in those with SIRD. However, no significant interaction was found between drug assignment and the SIDD or SIRD subgroup. In contrast, continuous measures of body mass index, blood pressure, insulin secretion and insulin resistance were useful in identifying those likely to have the largest improvements in glycaemic control and cardiovascular risk factors by adding semaglutide or dapagliflozin. Thus, systematic evaluation of continuous pathophysiological variables can guide the prediction of the treatment response to these drugs and provide more information than stratified subgroups ( NCT04451837 ).

Project description:IntroductionWe comprehensively evaluated the effects of combination therapy with insulin glargine and the incretin-based drugs lixisenatide or vildagliptin in Japanese patients with type 2 diabetes.MethodsIn this 12-week, randomized, open-label, parallel-group, multicenter study (GLP-ONE Kobe), the incretin-based drug sitagliptin was randomly switched to lixisenatide (20 μg/day, n = 18) or vildagliptin (100 mg/day, n = 20) in patients with inadequate glycemic control despite combination therapy with insulin glargine and sitagliptin. The dose of insulin glargine was titrated after the switch to maintain fasting blood glucose at approximately 110 mg/dL. The primary end points of the study were the change in glycosylated hemoglobin (HbA1c) level between before and 12 weeks after the treatment switch, the proportion of patients achieving an HbA1c level below 7.0%, and the postprandial increase in glucose concentration as assessed by self-monitoring of blood glucose.ResultsThe change in HbA1c level from baseline to 12 weeks did not differ significantly between the lixisenatide and vildagliptin groups (- 0.6 ± 0.7% and - 0.6 ± 1.2%, respectively, P = 0.920). Neither the proportion of patients achieving an HbA1c level below 7.0% nor the postprandial increase in glucose concentration was different between two groups. Body weight and serum low density lipoprotein (LDL) cholesterol level decreased significantly in the lixisenatide and vildagliptin groups, respectively. Both drugs were associated with mild gastrointestinal symptoms but not with severe hypoglycemia. Vildagliptin was associated with elevation of serum aspartate transaminase. Treatment satisfaction as assessed with the Diabetes Treatment Satisfaction Questionnaire did not differ significantly between the two groups.ConclusionThe combinations of basal insulin and either lixisenatide or vildagliptin have similar efficacies with regard to improvement of glycemic control.Trial registrationThis trial has been registered with UMIN (No. 000010769).

Project description:AimTo evaluate the safety and efficacy of imeglimin for 52 weeks as monotherapy or combination therapy with existing antidiabetic agents in Japanese patients with type 2 diabetes.Materials and methodsTIMES 2 was a phase 3, pivotal, open-label trial including patients with type 2 diabetes inadequately controlled despite diet/exercise or despite treatment with a single agent from one of several available classes of antidiabetic drugs along with diet/exercise. All patients received imeglimin 1000 mg twice-daily orally for 52 weeks as monotherapy or combination therapy. The primary endpoint was safety (adverse events, laboratory results, ECG). The secondary endpoints were changes from baseline in HbA1c and fasting plasma glucose at week 52.ResultsA total of 714 patients received the following treatments: imeglimin monotherapy (n = 134), combination with an α-glucosidase inhibitor (n = 64), biguanide (n = 64), dipeptidyl peptidase-4 inhibitor (DPP4-I; n = 63), glinide (n = 64), glucagon-like peptide-1 receptor agonist (GLP1-RA; n = 70), sodium-glucose co-transporter-2 inhibitor (n = 63), sulphonylurea (n = 127), or thiazolidinedione (n = 65). The percentage of patients experiencing at least one treatment emergent adverse event (TEAE) was 75.5%. Most of these events were mild or moderate in intensity. Serious TEAEs, none of them related to the study drug, occurred in 5.6% of all patients. No clinically significant changes in ECG, vital signs, physical examination, or laboratory tests were noted in any groups. At week 52, HbA1c decreased by 0.46% with imeglimin monotherapy, by 0.56%-0.92% with imeglimin as oral combination therapy, and by 0.12% with injectable GLP1-RA combination therapy. The greatest net HbA1c reduction (0.92%) occurred in patients receiving a DPP4-I in combination with imeglimin.ConclusionsImeglimin provides well-tolerated, long-term safety and efficacy in both monotherapy and oral combination therapy in Japanese patients with type 2 diabetes.

Project description:IntroductionFew data are available regarding ipragliflozin treatment in combination with glucagon-like peptide-1 (GLP-1) receptor agonists. The aim of this study was to evaluate the efficacy and safety of ipragliflozin in combination with GLP-1 receptor agonists in Japanese patients with inadequately controlled type 2 diabetes mellitus (T2DM).MethodsThis multicenter study (consisting of three periods: a 4-week washout period, a 6-week observation period, and a 52-week open-label treatment period) included patients aged ≥ 20 years who received a stable dose/regimen of a GLP-1 receptor agonist either solely or in combination therapy with a sulfonylurea for ≥ 6 weeks, with glycosylated hemoglobin (HbA1c) of ≥ 7.5% and a fasting plasma glucose (FPG) of ≥ 126 mg/dL. Ipragliflozin treatment was given at a fixed dose of 50 mg/day for 20 weeks, followed by 50 or 100 mg/day for 32 weeks. Changes from baseline in glycemic control and other parameters were examined; safety was also assessed.ResultsThe mean changes in HbA1c and body weight from baseline to end of treatment were - 0.92% and - 2.69 kg, respectively, in all ipragliflozin-treated patients (n = 103). Overall, sustained reductions from baseline were observed for HbA1c, FPG, self-monitored blood glucose, and body weight during the 52-week treatment. The dose increase of ipragliflozin to 100 mg/day resulted in better glycemic control and weight reduction for patients in whom the 50-mg dose was insufficient. Overall, 46.6% (48/103) of patients experienced drug-related adverse events. The most common drug-related treatment-emergent adverse events were pollakiuria (9.7%), hypoglycemia (8.7%), constipation (6.8%), and thirst (5.8%).ConclusionCombined therapy with ipragliflozin and GLP-1 receptor agonists/sulfonylureas was significantly efficacious in reducing glycemic parameters in patients with T2DM with inadequate glycemic control, and no major safety concerns were identified. The results from this study suggest that ipragliflozin can be recommended as a well-tolerated and effective add-on therapy to a GLP-1 receptor agonist for the treatment of T2DM.Trial registrationClinicalTrials.gov (identifier: NCT02291874).FundingAstellas Pharma Inc., Tokyo, Japan.

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Dapagliflozin as monotherapy or combination therapy in Japanese patients with type 2 diabetes: an open-label study.

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Dapagliflozin as monotherapy or combination therapy in Japanese patients with type 2 diabetes: an open-label study.

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