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Efficacy and safety of twice-daily treatment with canagliflozin, a sodium glucose co-transporter 2 inhibitor, added on to metformin monotherapy in patients with type 2 diabetes mellitus.

ABSTRACT: Aim:To evaluate the efficacy/safety of canagliflozin twice daily (BID) compared with placebo in patients with type 2 diabetes mellitus (T2DM) on metformin. Methods:In this 18-week, randomized, double-blind, placebo-controlled study, patients (N = 279) at 60 centers in 7 countries received canagliflozin 50 or 150 mg or placebo BID. The pre-specified primary endpoint was change from baseline in HbA1c at Week 18. Pre-specified secondary endpoints included proportion of patients reaching HbA1c <7.0%, change in fasting plasma glucose (FPG), and percent change in body weight; changes in systolic blood pressure (BP) and fasting plasma lipids were also evaluated. Adverse events (AEs) were recorded throughout the study. Results:From a mean baseline HbA1c of 7.6% (60 mmol/mol), canagliflozin 50 and 150 mg BID significantly reduced HbA1c compared with placebo at Week 18 (-0.45%, -0.61%, -0.01% [-5, -7, -0.1 mmol/mol], respectively; P < 0.001). More patients achieved HbA1c <7.0% with canagliflozin than placebo (P < 0.05). Relative to placebo, both canagliflozin doses significantly lowered FPG and body weight (P < 0.001), and reduced systolic BP. Overall AE incidence was 35.5%, 40.9%, and 36.6% with canagliflozin 50 and 150 mg BID and placebo, respectively. Canagliflozin was associated with increased incidences of urinary tract infections, female genital mycotic infections, and osmotic diuresis-related AEs; these led to few discontinuations. The incidence of documented hypoglycemia was low across groups. Conclusions:Canagliflozin 50 and 150 mg BID provided significant glycemic efficacy and body weight reduction, and were generally well tolerated in patients with T2DM on background metformin.ClinicalTrials.gov Identifier: NCT01340664.

SUBMITTER: Qiu R

PROVIDER: S-EPMC5685027 | biostudies-literature | 2014 Jun

REPOSITORIES: biostudies-literature

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Efficacy and safety of twice-daily treatment with canagliflozin, a sodium glucose co-transporter 2 inhibitor, added on to metformin monotherapy in patients with type 2 diabetes mellitus.

Qiu Rong R Capuano George G Meininger Gary G

Journal of clinical & translational endocrinology 20140505 2

<h4>Aim</h4>To evaluate the efficacy/safety of canagliflozin twice daily (BID) compared with placebo in patients with type 2 diabetes mellitus (T2DM) on metformin.<h4>Methods</h4>In this 18-week, randomized, double-blind, placebo-controlled study, patients (<i>N</i> = 279) at 60 centers in 7 countries received canagliflozin 50 or 150 mg or placebo BID. The pre-specified primary endpoint was change from baseline in HbA<sub>1c</sub> at Week 18. Pre-specified secondary endpoints included proportion ...[more]

PMID: 29159083

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Project description:Background Randomized controlled trials showed that newer glucose-lowering agents are cardioprotective, but most participants were men. It is unknown whether benefits are similar in women. Methods and Results Among adults with type 2 diabetes mellitus not controlled with metformin with no prior use of insulin, we assessed for sex differences in the cardiovascular effectiveness and safety of sodium-glucose-like transport-2 inhibitors (SGLT-2i), glucagon-like peptide-1 receptor agonists (GLP-1RA), dipeptidyl peptidase-4 inhibitors, initiated as second-line agents relative to sulfonylureas (reference-group). We studied type 2 diabetes mellitus American adults with newly dispensed sulfonylureas, SGLT-2i, GLP-1RA, or dipeptidyl peptidase-4 inhibitors (Marketscan-Database: 2011-2017). We used multivariable Cox proportional hazards models with time-varying exposure to compare time to first nonfatal cardiovascular event (myocardial infarction/unstable angina, stroke, and heart failure), and safety outcomes between drugs users, and tested for sex-drug interactions. Among 167 254 type 2 diabetes mellitus metformin users (46% women, median age 59 years, at low cardiovascular risk), during a median 4.5-year follow-up, cardiovascular events incidence was lower in women than men (14.7 versus 16.7 per 1000-person-year). Compared with sulfonylureas, hazard ratios (HRs) for cardiovascular events were lower with GLP-1RA (adjusted HR-women: 0.57, 95% CI: 0.48-0.68; aHR-men: 0.82, 0.71-0.95), dipeptidyl peptidase-4 inhibitors (aHR-women: 0.83, 0.77-0.89; aHR-men: 0.85, 0.79-0.91) and SGLT-2i (aHR-women: 0.58, 0.46-0.74; aHR-men: 0.69, 0.57-0.83). A sex-by-drug interaction was statistically significant only for GLP-1RA (P=0.002), suggesting greater cardiovascular effectiveness in women. Compared with sulfonylureas, risks of adverse events were similarly lower in both sexes for GLP-1RA (aHR-women: 0.81, 0.73-0.89; aHR-men: 0.80, 0.71-0.89), dipeptidyl peptidase-4 inhibitors (aHR-women: 0.82, 0.78-0.87; aHR-men: 0.83, 0.78-0.87) and SGLT-2i (aHR-women: 0.68, 0.59-0.78; aHR-men: 0.67, 0.59-0.78) (all sex-drug interactions for adverse events P>0.05). Conclusions Newer glucose-lowering drugs were associated with lower risk of cardiovascular events than sulfonylureas, with greater effectiveness of GLP-1RA in women than men. Overall, they appeared safe, with a better safety profile for SGLT-2i than for GLP-1RA regardless of sex.

Project description:BackgroundTo compare the safety and efficacy of saxagliptin 2.5 mg twice daily (BID) versus placebo add-on therapy to metformin immediate release (IR) in patients with type 2 diabetes and inadequate glycemic control with metformin alone.MethodsThis multicenter, 12-week, double-blind, parallel-group trial enrolled adult outpatients with type 2 diabetes (glycated hemoglobin [HbA1c] 7.0%-10.0%) on stable metformin IR monotherapy (≥1500 mg, BID for ≥8 weeks). Patients were randomized to double-blind saxagliptin 2.5 mg BID or placebo added on to metformin IR following a 2-week, single-blind, placebo add-on therapy lead-in period. The primary end point was the change from baseline to week 12 in HbA1c. Key secondary end points included change from baseline to week 12 in fasting plasma glucose (FPG) and the proportion of patients achieving HbA1c <7.0% or HbA1c ≤ 6.5% at week 12. Efficacy was analyzed in all patients who received randomized study drug with ≥1 postbaseline assessment. Safety was assessed in all treated patients.ResultsIn total, 74 patients were randomized to double-blind saxagliptin add-on therapy and 86 to placebo add-on therapy. At week 12, least-squares mean changes (95% CI) from baseline HbA1c (adjusted for baseline HbA1c) were significantly greater (P = 0.006) in the saxagliptin + metformin group -0.56% (-0.74% to -0.38%) versus the placebo + metformin group -0.22% (-0.39% to -0.06%). Adjusted mean changes from baseline in FPG were numerically greater with saxagliptin versus placebo; the difference (95% CI) -9.5 mg/dL (-21.7 to 2.7) was not statistically significant (P = 0.12). A numerically greater proportion of patients in the saxagliptin group than the placebo group achieved HbA1c < 7.0% (37.5% vs 24.2%) or HbA1c ≤6.5% (24.6% vs 10.7%). There were no unexpected safety findings. Hypoglycemia occurred in 4 patients (5.4%) in the saxagliptin group and 1 patient (1.2%) in the placebo group; confirmed hypoglycemia (symptoms plus fingerstick glucose ≤50 mg/dL) occurred in 1 patient in the placebo group.ConclusionsAddition of saxagliptin 2.5 mg BID to metformin therapy in patients with type 2 diabetes and inadequate glycemic control on metformin monotherapy reduced HbA1c compared with placebo added to metformin, with an adverse events profile similar to placebo and no unexpected safety findings.Trial registrationClinicalTrials.gov NCT00885378.

Project description:BackgroundPhysiologic determinants, such as pulse pressure [difference between systolic blood pressure (SBP) and diastolic BP (DBP)], mean arterial pressure (2/3 DBP + 1/3 SBP), and double product [beats per minute (bpm) × SBP], are linked to cardiovascular outcomes. The effects of canagliflozin, a sodium glucose co-transporter 2 (SGLT2) inhibitor, on pulse pressure, mean arterial pressure, and double product were assessed in patients with type 2 diabetes mellitus (T2DM).MethodsThis post hoc analysis was based on pooled data from four 26-week, randomized, double-blind, placebo-controlled studies evaluating canagliflozin in patients with T2DM (N = 2313) and a 6-week, randomized, double-blind, placebo-controlled, ambulatory BP monitoring (ABPM) study evaluating canagliflozin in patients with T2DM and hypertension (N = 169). Changes from baseline in SBP, DBP, pulse pressure, mean arterial pressure, and double product were assessed using seated BP measurements (pooled studies) or averaged 24-h BP assessments (ABPM study). Safety was assessed based on adverse event reports.ResultsIn the pooled studies, canagliflozin 100 and 300 mg reduced SBP (-4.3 and -5.0 vs -0.3 mmHg) and DBP (-2.5 and -2.4 vs -0.6 mmHg) versus placebo at week 26. Reductions in pulse pressure (-1.8 and -2.6 vs 0.2 mmHg), mean arterial pressure (-3.1 and -3.3 vs -0.5 mmHg), and double product (-381 and -416 vs -30 bpm × mmHg) were also seen with canagliflozin 100 and 300 mg versus placebo. In the ABPM study, canagliflozin 100 and 300 mg reduced mean 24-h SBP (-4.5 and -6.2 vs -1.2 mmHg) and DBP (-2.2 and -3.2 vs -0.3 mmHg) versus placebo at week 6. Canagliflozin 300 mg provided reductions in pulse pressure (-3.3 vs -0.8 mmHg) and mean arterial pressure (-4.2 vs -0.6 mmHg) compared with placebo, while canagliflozin 100 mg had more modest effects on these parameters. Canagliflozin was generally well tolerated in both study populations.ConclusionsCanagliflozin improved all three cardiovascular physiologic markers, consistent with the hypothesis that canagliflozin may have beneficial effects on some cardiovascular outcomes in patients with T2DM. Trial registration ClinicalTrials.gov Identifier: NCT01081834 (registered March 2010); NCT01106677 (registered April 2010); NCT01106625 (registered April 2010); NCT01106690 (registered April 2010); NCT01939496 (registered September 2013).

Project description:Background: The aim of the study was to investigate the protective effect of canagliflozin (CANA) on myocardial metabolism and heart under stress overload and to further explore its possible molecular mechanism. Methods: High-salt diet was used to induce heart failure with preserved ejection fraction (HFpEF), and then, the physical and physiological indicators were measured. The cardiac function was evaluated by echocardiography and related indicators. Masson trichrome staining, wheat germ agglutinin, and immunohistochemical staining were conducted for histology analysis. Meanwhile, oxidative stress and cardiac ATP production were also determined. PCR and Western blotting were used for quantitative detection of related genes and proteins. Comprehensive metabolomics and proteomics were employed for metabolic analysis and protein expression analysis. Results: In this study, CANA showed diuretic, hypotensive, weight loss, and increased intake of food and water. Dahl salt-sensitive (DSS) rats fed with a diet containing 8% NaCl AIN-76A developed left ventricular remodeling and diastolic dysfunction caused by hypertension. After CANA treatment, cardiac hypertrophy and fibrosis were reduced, and the left ventricular diastolic function was improved. Metabolomics and proteomics data confirmed that CANA reduced myocardial glucose metabolism and increased fatty acid metabolism and ketogenesis in DSS rats, normalizing myocardial metabolism and reducing the myocardial oxidative stress. Mechanistically, CANA upregulated p-adenosine 5'-monophosphate-activated protein kinase (p-AMPK) and sirtuin 1 (SIRT1) and significantly induced the expression of peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1a). Conclusion: CANA can improve myocardial hypertrophy, fibrosis, and left ventricular diastolic dysfunction induced by hypertension in DSS rats, possibly through the activation of the AMPK/SIRT1/PGC-1a pathway to regulate energy metabolism and oxidative stress.

Dataset Information

Efficacy and safety of twice-daily treatment with canagliflozin, a sodium glucose co-transporter 2 inhibitor, added on to metformin monotherapy in patients with type 2 diabetes mellitus.

Publications

Efficacy and safety of twice-daily treatment with canagliflozin, a sodium glucose co-transporter 2 inhibitor, added on to metformin monotherapy in patients with type 2 diabetes mellitus.

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