Efficacy of dapagliflozin versus sitagliptin on cardiometabolic risk factors in Japanese patients with type 2 diabetes: a prospective, randomized study (DIVERSITY-CVR).
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SUBMITTER: Fuchigami A
PROVIDER: S-EPMC6945792 | biostudies-literature | 2020 Jan
REPOSITORIES: biostudies-literature
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Efficacy of dapagliflozin versus sitagliptin on cardiometabolic risk factors in Japanese patients with type 2 diabetes: a prospective, randomized study (DIVERSITY-CVR).
Fuchigami Ayako A Shigiyama Fumika F Kitazawa Toru T Okada Yosuke Y Ichijo Takamasa T Higa Mariko M Hiyoshi Toru T Inoue Ikuo I Iso Kaoru K Yoshii Hidenori H Hirose Takahisa T Kumashiro Naoki N
Cardiovascular diabetology 20200107 1
<h4>Background</h4>Few prospective studies have compared the cardiovascular benefits of sodium-glucose cotransporter-2 (SGLT2) inhibitors and dipeptidyl peptidase 4 (DPP-4) inhibitors. We aimed to clarify the efficacy of dapagliflozin versus sitagliptin for modulating cardiometabolic risk factors including high glycated hemoglobin (HbA1c) levels, hypoglycemia, and body weight.<h4>Methods</h4>This prospective, randomized, open-label, blinded-endpoint, parallel-group trial enrolled 340 Japanese pa ...[more]
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Project description:BackgroundRecent studies reported that sodium glucose cotransporter 2 (SGLT2) inhibitors reduced the cardiovascular morbidity and mortality in patients with type 2 diabetes mellitus (T2DM) compared to placebo in contrast to no reduction with dipeptidyl peptidase 4 (DPP4) inhibitors. However, there are no comparative studies on the effects of SGLT2 inhibitors and DPP4 inhibitors on HbA1c, body weight and hypoglycemia as risk factors of cardiovascular diseases. The aim of the present ongoing study is to compare the effects of dapagliflozin, a SGLT2 inhibitor, with those of sitagliptin, a DPP4 inhibitor, on cardiovascular risk factors in T2DM patients with inadequate glycemic control.MethodsThe study of dapagliflozin versus sitagliptin treatment efficacy on prevention of cardiovascular risk factors in T2DM patients (DIVERSITY-CVR study) is a prospective, randomized, open-label, blinded-endpoint, parallel-group, comparative study. A total of 340 T2DM patients treated with metformin alone or with no glucose-lowering agents (hemoglobin A1c ≥ 7.0 and < 10.0%) will be randomized into the dapagliflozin group (5-10 mg/day, n = 170) and the sitagliptin group (50-100 mg/day, n = 170), and treated for 24 weeks. The primary endpoint is the rate of achieving a composite endpoint of the following three items at 24th week; (1) HbA1c < 7.0%; (2) body weight loss of ≥ 3.0% from baseline; (3) avoidance of hypoglycemia. Hypoglycemia will be monitored using the flash glucose monitoring system. The secondary outcomes include each component of the primary endpoint, plus indices of lipid metabolism, and evaluations related to safety.ConclusionsThere is lack of solid information on differences in the therapeutic effects of SGLT2 inhibitors and DPP4 inhibitors on multiple risk factors for cardiovascular diseases. It is anticipated that the results of the DIVERSITY-CVR study provides useful clinical data on the management of patients with T2DM, including reducing the risk of CVD. The results of this study will become available in 2019. Trial registration University Hospital Medical Information Network Clinical Trial Registry (UMIN000028014). Registered 30 June 2017.
| S-EPMC5996551 | biostudies-literature
Project description:BackgroundInsulin-treated patients with long duration of type 2 diabetes mellitus (T2DM) are at increased risk of ketoacidosis related to sodium-glucose co-transporter 2 inhibitor (SGLT2i). The extent of circulating ketone elevation in these patients remains unknown. We conducted this study to compare the serum ketone response between dapagliflozin, an SGLT2i, and sitagliptin, a dipeptidyl peptidase-4 inhibitor, among insulin-treated T2DM patients.MethodsThis was a randomized, open-label, active comparator-controlled study involving 60 insulin-treated T2DM patients. Participants were randomized 1:1 for 24-week of dapagliflozin 10 mg daily or sitagliptin 100 mg daily. Serum β-hydroxybutyrate (BHB) levels were measured at baseline, 12 and 24 weeks after intervention. Comprehensive cardiometabolic assessments were performed with measurements of high-density lipoprotein cholesterol (HDL-C) cholesterol efflux capacity (CEC), vibration-controlled transient elastography and echocardiography.ResultsAmong these 60 insulin-treated participants (mean age 58.8 years, diabetes duration 18.2 years, glycosylated hemoglobin 8.87%), as compared with sitagliptin, serum BHB levels increased significantly after 24 weeks of dapagliflozin (P=0.045), with a median of 27% increase from baseline. Change in serum BHB levels correlated significantly with change in free fatty acid levels. Despite similar glucose lowering, dapagliflozin led to significant improvements in body weight (P=0.006), waist circumference (P=0.028), HDL-C (P=0.041), CEC (P=0.045), controlled attenuation parameter (P=0.007), and liver stiffness (P=0.022). Average E/e', an echocardiographic index of left ventricular diastolic dysfunction, was also significantly lower at 24 weeks in participants treated with dapagliflozin (P=0.037).ConclusionAmong insulin-treated T2DM patients with long diabetes duration, compared to sitagliptin, dapagliflozin modestly increased ketone levels and was associated with cardiometabolic benefits.
| S-EPMC9723203 | biostudies-literature
Project description:Objective Dipeptidyl peptidase-4 (DPP-4) inhibitors are the most frequently prescribed oral hypoglycemic agents in Japan. Although a relationship between the efficacy of DPP-4 inhibitors and the body mass index (BMI) has been reported, this relationship is controversial. We investigated whether the BMI value affects the glucose-lowering efficacy of sitagliptin in obese Japanese patients with type 2 diabetes. Methods One hundred sixty-two outpatients with inadequate glycemic control were divided into four groups based on their baseline BMI values. They were then treated with sitagliptin (a DPP-4 inhibitor) for 3 months and followed-up for 12 months. Results Sitagliptin significantly reduced the hemoglobin A1c level (HbA1c: -0.71±0.55%) after 3 months, and continued to reduce the HbA1c level until 12 months. There was no significant difference in the efficacy of sitagliptin among the four BMI groups. A multiple linear regression analysis indicated that the factors contributing to the change in the HbA1c level were the baseline level of HbA1c and the homeostasis model assessment of ?-cell function (HOMA-?). In terms of the relationship between the baseline BMI value and the efficacy of sitagliptin treatment, the number of patients who responded to sitagliptin treatment after 3 months was lowest in the group of patients with the highest BMI values. A multiple logistic regression analysis revealed that the baseline HOMA-? function and HbA1c level and a baseline BMI value of ?30 kg/m2 significantly contributed to the response to sitagliptin treatment. Conclusion The results indicated that sitagliptin treatment was effective in controlling glucose metabolism disorder in obese Japanese patients with type 2 diabetes. However, the efficacy of sitagliptin treatment might be attenuated in severely obese patients, such as those with a BMI value of ?30 kg/m2.
| S-EPMC5410467 | biostudies-literature
Project description:AimsTo compare the efficacy and safety of an intensification strategy of early triple combination therapy with dapagliflozin (DAPA) plus saxagliptin (SAXA) to a dual therapy strategy with sitagliptin (SITA) in patients with type 2 diabetes who are inadequately controlled with metformin (MET) monotherapy.Materials and methodsThis multinational, active-controlled, parallel-group phase 3b trial randomized 461 patients, at least 18 years of age, with glycated haemoglobin (HbA1c) of 8%-10.5% (64-91 mmol/mol), to either DAPA plus SAXA or SITA, added to MET, for a 26-week double-blind treatment period and an extension of a 26-week blinded treatment period.ResultsMean (± SD) baseline HbA1c was 8.8% ± 0.9% (73.0 ± 9.3 mmol/mol). DAPA plus SAXA (n = 232) provided a greater reduction from baseline in HbA1c at Weeks 26 and 52 compared with SITA (n = 229) (adjusted mean ± SE change, Week 26: -1.41 ± 0.07% vs -1.07 ± 0.07% [-15.4 ± 0.8 mmol/mol vs 11.7 ± 0.8 mmol/mol]; P = 0.0008; Week 52: -1.29 ± 0.08% vs -0.81 ± 0.09% [14.1 ± 0.9 mmol/mol vs 8.9 ± 1.0 mmol/mol]). The between-group difference in adjusted mean (95% CI) change from baseline in HbA1c increased from -0.34 (-0.54, -0.14) at Week 26 to -0.48 (-0.71, -0.25) at Week 52. DAPA plus SAXA was generally well tolerated and the incidence of adverse events was similar in both treatment arms.ConclusionsEarly intensification to triple therapy with DAPA plus SAXA results in better, more durable glycaemic control than addition of SITA only (dual therapy) in patients with high HbA1c levels who are uncontrolled with MET monotherapy.
| S-EPMC6667916 | biostudies-literature
Project description:IntroductionOlder patients with type 2 diabetes (T2D) are at increased risk of diabetic nephropathy and mild renal insufficiency. This analysis compared the anti-hyperglycemic efficacy and safety of sitagliptin with dapagliflozin in patients ≥ 65 years of age with T2D and mild renal insufficiency.MethodsThis was a post hoc analysis of data from 410 patients ≥ 65 years old who participated in a 24-week, randomized, double-blind clinical trial (CompoSIT-R [comparison of sitagliptin with dapagliflozin in mild renal impairment]; NCT02532855) in T2D patients with mild renal insufficiency and on metformin ± a sulfonylurea; the primary efficacy end point was change in HbA1c at week 24.ResultsTreatment groups were well balanced at baseline (mean HbA1c = 7.7/7.7% and eGFR = 79/76 ml/min/1.73 m2 for sitagliptin/dapagliflozin). At week 24, LS mean (95% CI) change in HbA1c and percentage of patients with HbA1c < 7% were greater with sitagliptin, - 0.48% and 41%, respectively, compared with dapagliflozin, - 0.36% and 28%; between-group differences = - 0.12% (- 0.36, 0.01) and 12.8% (3.3, 22.2) for change in HbA1c and percentage with HbA1c < 7%, respectively. The sitagliptin group had greater reductions in PPG end points, while the dapagliflozin group had greater reductions in FPG. Treatments were generally well tolerated. There were fewer drug-related adverse events (AEs) with sitagliptin than with dapagliflozin but AE profiles were otherwise similar.ConclusionsIn patients ≥ 65 years of age with T2D and mild renal insufficiency with inadequate glycemic control on metformin ± sulfonylurea, treatment with sitagliptin for 24 weeks resulted in improvement in HbA1c relative to treatment with dapagliflozin that is consistent with that previously observed in the overall population. Both treatments were generally well tolerated.
| S-EPMC7509009 | biostudies-literature
Project description:IntroductionThe efficacy and safety of taspoglutide, a long-acting human glucagon-like peptide-1 analog, were compared with sitagliptin or placebo, as adjunct to metformin, in patients with inadequately controlled type 2 diabetes.MethodsIn this randomized, double-blind, double-dummy, parallel-group trial, patients were randomized to taspoglutide 10 mg once weekly (QW), 20 mg QW, 100 mg sitagliptin once daily (QD), or placebo for 24 weeks, followed by 28-week short-term and 104-week long-term extension periods. The primary endpoint was change in glycosylated hemoglobin (HbA(1c)) after 24 weeks.ResultsIn this study, 666 patients (baseline HbA(1c), 7.96% [SD, 0.87]; fasting plasma glucose, 9.61 mmol/L [2.56]; body weight, 92.4 kg [19.3]) were randomized to taspoglutide 10 mg QW (n = 190), 20 mg QW (n = 198), 100 mg sitagliptin QD (n = 185), or placebo (n = 93) for 24 weeks. After 24 weeks, least squares mean (SE) HbA(1c) reductions were greater with taspoglutide 10 mg (-1.23% [0.06]) and 20 mg (-1.30% [0.06]) versus sitagliptin (-0.89% [0.06]) or placebo (-0.10% [0.08]). Mean treatment differences with taspoglutide 10 mg and 20 mg were -0.34 (95% confidence intervals [CI]: -0.49, -0.19) and -0.41 (-0.56, -0.26) versus sitagliptin; and -1.13 (-1.31, -0.95) and -1.20 (-1.38, -1.02) versus placebo. Weight loss was greater with taspoglutide 10 mg (-1.8 kg [0.3]) and 20 mg (-2.6 kg [0.3]) than sitagliptin (-0.9 kg [0.3]) or placebo (-0.5 kg [0.4]). Effects on HbA(1c) and weight loss continued through 52 weeks of treatment. No cases of severe hypoglycemia occurred with any active treatment. Gastrointestinal adverse events, and allergic and injection-site reactions were higher in the taspoglutide groups, causing higher discontinuation rates. Anti-taspoglutide antibodies were confirmed in 46% of patients.ConclusionTaspoglutide demonstrated better efficacy on glycemic control and weight loss than sitagliptin, but a high incidence of adverse events led to high discontinuation rates. The safety profile of taspoglutide in this trial was similar to other trials in the clinical program, and led to the discontinuation of dosing.
| S-EPMC3508113 | biostudies-literature
Project description:AimsTo assess the efficacy, safety and tolerability of ipragliflozin 50 mg once daily added to sitagliptin 50 mg once daily monotherapy in Japanese patients with type 2 diabetes (T2D).Materials and methodsThe results of two clinical trials are reported. In both trials, patients had glycated haemoglobin (HbA1c) levels of 7.0% to 10.0% on sitagliptin 50 mg once daily 2 weeks prior to addition of ipragliflozin or placebo. In one trial (Trial 843), patients were randomized 1:1 to addition of blinded ipragliflozin 50 mg once daily (n = 73) or placebo (n = 70) for 24 weeks; the primary endpoint was efficacy (change in HbA1c at Week 24). In the other trial (Trial 849), open-label ipragliflozin 50 mg once daily was added for 52 weeks (n = 77); the primary objective was to assess safety/tolerability.ResultsIn Trial 843, baseline characteristics were similar between groups (mean age 60.5 years, HbA1c 8.0%); after 24 weeks, adding ipragliflozin provided significantly greater reduction in HbA1c compared to placebo: least squares mean difference -0.77% (95% confidence interval -0.98, -0.57; P <0.001). In Trial 843, the incidences of adverse events (AEs) overall and prespecified AEs of clinical interest (symptomatic hypoglycaemia, urinary tract infection, genital infection, hypovolaemia, and polyuria/pollakiuria) were similar between groups. In Trial 849, specific AEs with incidence ≥5% were nasopharyngitis, pollakiuria, back pain, thirst, constipation, influenza and arthralgia; drug-related AEs reported in ≥2 patients were pollakiuria, thirst and constipation.ConclusionsIpragliflozin 50 mg once daily added on to sitagliptin 50 mg once daily monotherapy provided significant improvement in glycaemic control and was generally well tolerated in Japanese patients with T2D. ClinicalTrials.gov: NCT02577003, NCT02564211.
| S-EPMC8453748 | biostudies-literature
Project description:ObjectiveTo compare the efficacy and safety of dapagliflozin and dapagliflozin plus saxagliptin vs glimepiride as add-on to metformin in patients with type 2 diabetes.Research design and methodsThis 52-week, multicentre, double-blind, active-controlled study (NCT02471404) randomized (1:1:1) patients (n = 939; HbA1c 7.5%-10.5%) on metformin monotherapy (≥1500 mg/day) to add-on dapagliflozin 10 mg, dapagliflozin 10 mg plus saxagliptin 5 mg, or glimepiride 1 to 6 mg (titrated). The primary efficacy end point was change in HbA1c from baseline to Week 52.ResultsBaseline mean age, diabetes duration and HbA1c were 58.4 years, 7.0 years and 8.3%, respectively. Adjusted mean HbA1c change from baseline was -1.20% with dapagliflozin plus saxagliptin and -0.82% with dapagliflozin, vs -0.99% with glimepiride (mean dose at Week 52, 4.6 mg). Changes in body weight (-3.2 kg and -3.5 kg vs +1.8 kg) and systolic blood pressure (SBP; -6.4 mm Hg and -5.6 mm Hg vs -1.6 mm Hg) were significantly greater with dapagliflozin plus saxagliptin and dapagliflozin than with glimepiride. FPG decreased significantly with dapagliflozin plus saxagliptin compared with glimepiride (-2.1 mmol/L vs -1.5 mmol/L) and was similar with dapagliflozin (-1.6 mmol/L) compared with glimepiride. Confirmed incidence of hypoglycaemia was lower with dapagliflozin regimens than with glimepiride (0 and 1 vs 13 patients) and fewer patients required rescue. Genital infections were more frequent with dapagliflozin; other AE profiles were similar.ConclusionsDapagliflozin, saxagliptin and metformin improved glycaemic control compared with glimepiride plus metformin; add-on of dapagliflozin alone showed efficacy similar to that of glimepiride. Both dapagliflozin regimens decreased body weight and SBP, with a lower incidence of hypoglycaemia compared with glimepiride.
| S-EPMC6220756 | biostudies-literature
Project description:Aims/introductionTo explore the factors associated with the glucose-lowering efficacy of sitagliptin treatment in Japanese patients with type 2 diabetes mellitus.Materials and methodsThis was a post-hoc analysis of pooled data from seven sitagliptin phase II and III clinical studies carried out in Japan. All studies were double-blind, randomized, placebo-controlled, parallel-group and of 12-week duration. The analysis population consisted of 1,075 type 2 diabetes mellitus patients. In two of the trials, sitagliptin 50 mg and/or 100 mg daily were used as monotherapy; in five others, sitagliptin 50 mg daily was used as add-on treatment to ongoing pioglitazone, glimepiride, metformin, voglibose or glinides. Efficacy (reduction in hemoglobin A1c [HbA1c]) was evaluated in 12 sets of subgroups defined by demographic, glycemic, pancreatic β-cell function and insulin resistance parameters. An analysis of covariance model was used to evaluate the interaction between each parameter and efficacy.ResultsSitagliptin consistently provided a clinically meaningful reduction in HbA1c relative to placebo across all subgroups. Within subgroups, a greater absolute HbA1c reduction was associated with higher baseline HbA1c, fasting plasma glucose and 2-h post-meal glucose. Lower β-cell function, represented by homeostatic model assessment of β-cell function and insulinogenic index, was also associated with greater HbA1c reduction. In contrast, age, sex, body mass index, duration of type 2 diabetes mellitus and insulin resistance-related parameters did not interact with HbA1c changes.ConclusionsSitagliptin treatment was associated with clinically meaningful improvement in glycemic control in all subgroups of Japanese patients with type 2 diabetes mellitus that were evaluated. Higher baseline glycemic status and lower baseline β-cell function were identified as factors associated with greater HbA1c reduction after sitagliptin treatment.
| S-EPMC7232313 | biostudies-literature
Project description:AimsTo clarify the efficacy and safety of adding sitagliptin to insulin therapy in Japanese patients with suboptimally controlled type 2 diabetes (T2DM).Study design and methodsThis was a 24-week, prospective, randomized, open-labeled, controlled trial. Patients with T2DM who were suboptimally controlled despite receiving at least twice daily injection of insulin were enrolled in the study. The patients were randomized to continuation of insulin treatment (Insulin group) or addition of sitagliptin 50 to 100 mg daily to insulin treatment (Ins+Sita group). The primary outcome was change in HbA1c at week 24.ResultsAdding sitagliptin to insulin significantly reduced HbA1c from 7.9 ± 1.0% at baseline to 7.0 ± 0.8% at week 24 (P <0.0001), while there was no significant change in HbA1c in the Insulin group (7.8 ± 0.7% vs. 7.8 ± 1.1%, P = 0.32). The difference in HbA1c reduction between the groups was 0.9% (95% confidence interval, 0.4 to 1.5, P = 0.01). There was no significant weight gain in either group. Incidence of hypoglycemia was significantly reduced in the Ins+Sita group compared with the Insulin group. Treatment satisfaction was improved in the Ins+Sita group. Baseline HbA1c level and beta cell function were associated with the magnitude of reduction in HbA1c in the Ins+Sita group.ConclusionAdding sitagliptin to insulin reduced HbA1c without weight gain or increase in hypoglycemia, and improved treatment satisfaction in Japanese patients with T2DM who were suboptimally controlled despite at least twice daily injection of insulin.Trial registrationThe University Hospital Medical Information Network (UMIN) Clinical Trials Registry UMIN000004678.
| S-EPMC4376939 | biostudies-literature