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Efficacy and safety of teneligliptin added to canagliflozin monotherapy in Japanese patients with type 2 diabetes mellitus: A multicentre, randomized, double-blind, placebo-controlled, parallel-group comparative study.

ABSTRACT: Dipeptidyl peptidase-4 (DPP-4) inhibitors and sodium glucose co-transporter 2 (SGLT2) inhibitors are frequently used in combination for the treatment of type 2 diabetes mellitus (T2DM). We examined the efficacy and safety of teneligliptin (a DPP-4 inhibitor) added to canagliflozin (an SGLT2 inhibitor) monotherapy in Japanese patients with poorly controlled T2DM as part of the development of a fixed-dose combination of teneligliptin and canagliflozin. Japanese patients treated with canagliflozin (100 mg) for ?12 weeks were randomized to receive add-on teneligliptin (20 mg; C + T group) or placebo (C + P group) for 24 weeks. The primary endpoint was change in glycated haemoglobin (HbA1c) from baseline to Week 24. The between-group differences in reductions from baseline to Week 24 were significantly greater in the C + T group for HbA1c (-0.94%; P < .001). The incidence of adverse events was similar in both groups (55.8% and 49.4% in the C + T and C + P groups, respectively). No episodes of hypoglycaemia were reported. Teneligliptin added to ongoing canagliflozin monotherapy improved glycaemic control and was well tolerated in Japanese patients with inadequately controlled T2DM.

SUBMITTER: Kadowaki T

PROVIDER: S-EPMC5846888 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Efficacy and safety of teneligliptin added to canagliflozin monotherapy in Japanese patients with type 2 diabetes mellitus: A multicentre, randomized, double-blind, placebo-controlled, parallel-group comparative study.

Kadowaki Takashi T Inagaki Nobuya N Kondo Kazuoki K Nishimura Kenichi K Kaneko Genki G Maruyama Nobuko N Nakanishi Nobuhiro N Gouda Maki M Iijima Hiroaki H Watanabe Yumi Y

Diabetes, obesity & metabolism 20170915 2

Dipeptidyl peptidase-4 (DPP-4) inhibitors and sodium glucose co-transporter 2 (SGLT2) inhibitors are frequently used in combination for the treatment of type 2 diabetes mellitus (T2DM). We examined the efficacy and safety of teneligliptin (a DPP-4 inhibitor) added to canagliflozin (an SGLT2 inhibitor) monotherapy in Japanese patients with poorly controlled T2DM as part of the development of a fixed-dose combination of teneligliptin and canagliflozin. Japanese patients treated with canagliflozin ...[more]

PMID: 28786530

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Project description:Combination therapy with canagliflozin and insulin was investigated in a prescribed substudy of the canagliflozin Cardiovascular Assessment Study (CANVAS); however, it was not evaluated in Japanese patients with type 2 diabetes mellitus (T2DM). Since the usage profile of insulin therapy and pathologic features of Japanese patients differ from those of Caucasian patients, we determined the clinical benefit of such a combination therapy in Japanese patients.Patients who had inadequate glycemic control despite insulin, diet and exercise therapies were randomized into placebo (n = 70) and canagliflozin 100 mg (n = 76) groups that were administered once daily in addition to their prior insulin therapy in this double-blind, placebo-controlled study. The primary endpoint was the change in glycated hemoglobin (HbA1c) levels from the baseline to week 16.There was a statistically significant decrease in HbA1c levels from the baseline in the canagliflozin group (-0.97 ± 0.08 %) compared with the placebo group (0.13 ± 0.08 %) at week 16 [last observation carried forward (LOCF)]. The decrease in HbA1c levels in the canagliflozin group was independent of the insulin regimen (premixed, long-acting and long-acting plus rapid- or short-acting). Compared with the placebo group, canagliflozin significantly decreased fasting plasma glucose levels (-34.1 ± 4.8 vs -1.4 ± 5.0 mg/dL) and body weights (-2.13 ± 0.25 vs 0.24 ± 0.26 %), and significantly increased HDL cholesterol (3.3 ± 1.0 vs -0.5 ± 1.0 mg/dL) and HOMA2- %B (10.15 ± 1.37 vs 0.88 ± 1.42 %). The overall incidence of adverse events was similar between the two groups. The incidence and incidence per subject-year exposure of hypoglycemia (hypoglycemic symptoms and/or decreased blood glucose) were slightly higher in the canagliflozin group (40.0 % and 7.97) than in the placebo group (29.6 % and 4.51). However, hypoglycemic events in both groups were mild in severity and dose-reduction of insulin by <10 % from the baseline following hypoglycemic events decreased the incidence per subject-year exposure in the canagliflozin group. The incidence of hypoglycemia between the groups did not differ according to the insulin regimen.Canagliflozin in combination with insulin was effective in improving glycemic control and reducing body weight and well tolerated by Japanese patients with T2DM. Trial Registration ClinicalTrials.gov identifier: NCT02220920.

Project description:BackgroundIn recent years, several oral antidiabetic drugs with new mechanisms of action have become available, expanding the number of treatment options. Sodium/glucose cotransporter-2 (SGLT2) inhibitors are a new class of oral antidiabetic drugs with an insulin-independent mechanism promoting urinary glucose excretion. We report the results of a combined Phase 2 and 3 clinical study (Japic CTI-101349) of the SGLT2 inhibitor tofogliflozin (CSG452, RG7201) in Japanese patients with type 2 diabetes mellitus.MethodsThe efficacy and safety of tofogliflozin were assessed in this multicenter, placebo-controlled, randomized, double-blind parallel-group study involving 230 patients with type 2 diabetes mellitus with inadequate glycemic control on diet/exercise therapy. Between 30 October 2010 and 28 February 2012, patients at 33 centers were randomized to either placebo (n?=?56) or tofogliflozin (10, 20, or 40 mg; n?=?58 each) orally, once daily for 24 weeks. The primary efficacy endpoint was the change from baseline in HbA1c at week 24.ResultsOverall, 229 patients were included in the full analysis set (placebo: n?=?56; tofogliflozin 10 mg: n?=?57; tofogliflozin 20 and 40 mg: n?=?58 each). The least squares (LS) mean change (95% confidence interval) from baseline in HbA1c at week 24 was -0.028% (-0.192 to 0.137) in the placebo group, compared with -0.797% (-0.960 to -0.634) in the tofogliflozin 10 mg group, -1.017% (-1.178 to -0.856) in the tofogliflozin 20 mg group, and -0.870% (-1.031 to -0.709) in the tofogliflozin 40 mg group (p?<?0.0001 for the LS mean differences in all tofogliflozin groups vs placebo). There were also prominent decreases in fasting blood glucose, 2-h postprandial glucose, and body weight in all tofogliflozin groups compared with the placebo group. The main adverse events were hyperketonemia, ketonuria, and pollakiuria. The incidence of hypoglycemia was low. Furthermore, most adverse events were classified as mild or moderate in severity.ConclusionsTofogliflozin 10, 20, or 40 mg administered once daily as monotherapy significantly decreased HbA1c and body weight, and was generally well tolerated in Japanese patients with type 2 diabetes mellitus. Phase 3 studies were recently completed and support the findings of this combined Phase 2 and 3 study.Trial registrationThis study was registered in the JAPIC clinical trials registry (ID: Japic CTI-101349).

Project description:IntroductionMaintenance of drug efficacy and safety over the long term is important to investigate for progressive conditions like type 2 diabetes mellitus (T2DM). This study aimed to evaluate whether efficacy of dapagliflozin added to glimepiride observed at 24 weeks was maintained at 48 weeks, and to provide further safety and tolerability data in patients with T2DM.MethodsThis 24-week randomized, double-blind, parallel-group, placebo-controlled trial with a 24-week double-blind extension period enrolled adults whose T2DM was inadequately controlled [glycated hemoglobin (HbA1c) 7.0-10.0%] on sulfonylurea monotherapy. Patients were randomized to placebo (n = 146) or dapagliflozin 2.5 mg (n = 154), 5 mg (n = 145), or 10 mg (n = 151) per day added to open-label glimepiride 4 mg/day.ResultsIn total, 519 patients (87.1%) completed the study. At 48 weeks, HbA1c adjusted mean changes from baseline for the placebo versus dapagliflozin 2.5/5/10-mg groups were -0.04% versus -0.41%, -0.56% and -0.73%, respectively. There were no meaningful differences in HbA1c changes from baseline from 24 to 48 weeks, indicating that glycemic efficacy was maintained. Improvements in fasting plasma glucose and post-challenge plasma glucose were also observed with dapagliflozin over 48 weeks. Dapagliflozin 2.5/5/10 mg produced sustained reductions in weight (-1.36/-1.54/-2.41 kg) versus placebo (-0.77 kg). Adjusted mean reductions from baseline in systolic blood pressure were also greater than placebo for all dapagliflozin doses. In the placebo versus dapagliflozin groups, serious adverse events were 8.9% versus 8.6-11.0%, hypoglycemic events were 6.8% versus 9.7-11.3%, and events suggestive of genital infection were 1.4% versus 5.2-8.6%.ConclusionDapagliflozin added to glimepiride improved glycemic control and body weight, with short-term findings maintained during the study's extension period. Therapy was generally well tolerated over 48 weeks; hypoglycemic events and events suggestive of genital infection were reported more often in patients receiving dapagliflozin.

Dataset Information

Efficacy and safety of teneligliptin added to canagliflozin monotherapy in Japanese patients with type 2 diabetes mellitus: A multicentre, randomized, double-blind, placebo-controlled, parallel-group comparative study.

Publications

Efficacy and safety of teneligliptin added to canagliflozin monotherapy in Japanese patients with type 2 diabetes mellitus: A multicentre, randomized, double-blind, placebo-controlled, parallel-group comparative study.

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