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Meta-Analysis Addressing the Effect of Sodium-Glucose Cotransporter 2 Inhibitors on Flow-Mediated Dilation in Patients With Type 2 Diabetes Mellitus.
Patoulias, D, Papadopoulos, C, Kassimis, G, Vassilikos, V, Karagiannis, A, Doumas, M
The American journal of cardiology. 2022;:133-135
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The efficacy of dapagliflozin for type 1 diabetes: a meta-analysis of randomized controlled studies.
Ma, J, Zhao, Y, Fan, H, Liu, J
African health sciences. 2021;(1):1-7
Abstract
INTRODUCTION The efficacy of dapagliflozin for type 1 diabetes remains controversial. We conduct a systematic review and meta-analysis to explore the treatment efficacy of dapagliflozin versus placebo in patients with type 1 diabetes. METHODS We have searched PubMed, EMbase, Web of science, EBSCO and Cochrane library databases through May 2019 for randomized controlled trials (RCTs) assessing the effect of dapagliflozin versus placebo for type 1 diabetes. This meta-analysis is performed using the random-effect model. RESULTS Six RCTs are included in the meta-analysis. Overall, compared with control group for type 1 diabetes, dapagliflozin treatment shows favorable impact on glycated hemoglobin HbA1c (standard mean difference SMD=-3.93; 95% confidence interval CI =-4.44 to -3.48; P<0.00001), HbA1c reduction of ≥0.5% (risk ratio RR=1.98; 95% CI=1.65 to 2.39; P<0.00001), and fasting plasma glucose FPG (SMD=-0.93; 95% CI=-1.77 to -0.10; P=0.03). There is no statistical difference of hypoglycemia (RR=1.09; 95% CI=0.66 to 1.79; P=0.75) or adverse events (RR=1.07; 95% CI=0.96 to 1.20; P=0.20) between two groups, but the incidence of ketone-related events is higher than those in control group (RR=0.28; 95% CI=3.96 to 11.52; P=0.01). CONCLUSIONS Dapagliflozin treatment benefits to reduce HbA1c and FPG for type 1 diabetes.
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Efficacy and safety of dapagliflozin plus saxagliptin vs monotherapy as added to metformin in patients with type 2 diabetes: A meta-analysis.
Zhuang, Y, Song, J, Ying, M, Li, M
Medicine. 2020;(30):e21409
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BACKGROUND This study aim at evaluating the efficacy and safety of dapagliflozin plus saxagliptin vs monotherapy as added to metformin in patients with type 2 diabetes mellitus (T2DM). METHOD PubMed, Cochrane library, Embase, CNKI and Wanfang databases were searched up to 31 December 2019. Randomized controlled trials (RCTs) applicable in dapagliflozin plus saxagliptin vs monotherapy as added to metformin in the treatment of T2DM were included. The outcomes included changes in HbA1c, FPG, body weight, SBP, DBP and adverse reactions. Fixed or random effects model were used to assess these outcomes. RESULTS In this study, 8 RCTs involved 7346 patients were included. Compared with dapagliflozin plus metformin(DM) group, patients treated with dapagliflozin plus saxagliptin add on to metformin(DSM) could significantly increase the adjusted mean change levels of HbA1c, FPG, SBP and DBP(P < .00001, SMD = -4.88, 95%CI = -6.93∼-2.83; P < .00001, SMD = -6.50, 95%CI = -8.55∼-4.45; P < .00001, SMD = -0.97, 95%CI = -1.15∼-0.78; P < .00001, SMD = -2.00, 95%CI = -2.20∼-1.80), but no major difference in body weight loss showed(P = .12, SMD = 0.92, 95%CI = -0.22∼2.06). Furthermore, DSM therapy displayed better effects than saxagliptin plus metformin(SM) in the adjusted mean change levels of HbA1c, FPG, body weight and SBP(P < .00001, SMD = -7.75, 95%CI = -8.84∼-6.66; P < .00001, SMD = -7.75, 95%CI = -8.84∼-6.66; P = .04, SMD = -3.40, 95%CI = -6.64∼-0.17; P = .04, SMD = -7.75, 95%CI = -8.84∼-6.66), whereas no obvious difference in lowering DBP(P = .18, SMD = -16.35, 95%CI = -40.12∼7.41). Additionally, compared with DM and SM groups, there were no remarkable difference in the incidence of nausea, influenza, headache, diarrhea, urinary tract infection and renal failure for patients taking DSM, but the incidence of genital infection and hypoglycemia were higher in DSM group. CONCLUSIONS Patients taking the DSM therapy had better effects in reducing the level of HbA1c, FPG, body weight, SBP and DBP than the DM and SM therapy. However, patients treated with DSM therapy are more likely to have hypoglycemia and genital infection. Dapagliflozin plus saxagliptin may be a suitable therapy strategy for patients with T2DM inadequately controlled with metformin, and this will provide a clinical reference for the treatment of T2DM.
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Design of a prospective patient-level pooled analysis of two parallel trials of empagliflozin in patients with established heart failure.
Packer, M, Butler, J, Filippatos, G, Zannad, F, Ferreira, JP, Zeller, C, Brueckmann, M, Jamal, W, Pocock, SJ, Anker, SD, et al
European journal of heart failure. 2020;(12):2393-2398
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AIM: The EMPEROR-Reduced trial demonstrated that empagliflozin reduced the combined risk of cardiovascular death or hospitalization for heart failure in patients with a reduced ejection fraction, and the EMPEROR-Preserved trial is currently evaluating the effect of the drug on the same endpoint in patients with an ejection fraction >40%. However, neither the trial was designed to have adequate statistical power to evaluate the effects of empagliflozin and dapagliflozin on major adverse renal outcomes or on mortality. Herein we describe the design of a prospective individual patient-level pooled analysis of two large-scale trials with empagliflozin (EMPEROR-Reduced and EMPEROR-Preserved) in patients with heart failure across the spectrum of ejection fraction. METHODS The trials were carried out in parallel using the same administrative structure and committees, randomization procedure, schedule of study visits and adjudication criteria and similar groups of investigators and case report forms. The two component trials specified the same primary and key secondary endpoints and used an identical hierarchical testing procedure, which included a pooled analysis of the two trials as a key component of the hierarchy. Consequently, the pooled analysis has been prospectively assigned a false positive error rate, which is conditional on one or both trials first achieving success on their primary and one or both key secondary endpoints. The pooled analysis has its own statistical plan with its own endpoints, and this plan was finalized before either trial had begun recruitment of patients into either study. The primary endpoint of the pooled analysis is a composite of serious adverse renal outcomes, defined by chronic dialysis, renal transplantation and a profound or sustained decrease in glomerular filtration rate. All-cause and cardiovascular mortality are specified as secondary endpoints. CONCLUSION The planned pooled analysis has an unusually high degree of statistical rigour that will allow it to address important questions that cannot be fully addressed by the individual trials.
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Efficacy of Once-Weekly Semaglutide vs Empagliflozin Added to Metformin in Type 2 Diabetes: Patient-Level Meta-analysis.
Lingvay, I, Capehorn, MS, Catarig, AM, Johansen, P, Lawson, J, Sandberg, A, Shaw, R, Paine, A
The Journal of clinical endocrinology and metabolism. 2020;(12):e4593-604
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CONTEXT No head-to-head trials have directly compared once-weekly (OW) semaglutide, a human glucagon-like peptide-1 analog, with empagliflozin, a sodium-glucose co-transporter-2 inhibitor, in type 2 diabetes (T2D). OBJECTIVE We indirectly compared the efficacy of OW semaglutide 1 mg vs once-daily (OD) empagliflozin 25 mg in patients with T2D inadequately controlled on metformin monotherapy, using individual patient data (IPD) and meta-regression methodology. DESIGN, SETTING, PARTICIPANTS, AND INTERVENTIONS IPD for patients with T2D receiving metformin monotherapy and randomized to OW semaglutide 1 mg (SUSTAIN 2, 3, 8 trials), or to OD empagliflozin 25 mg (PIONEER 2 trial) were included. Meta-regression analyses were adjusted for potential prognostic factors and effect modifiers. MAIN OUTCOME MEASURES The primary efficacy outcomes were change from baseline to end-of-treatment (~1 year) in HbA1c (%-point) and body weight (kg). Responder outcomes and other clinically relevant efficacy measures were analyzed. RESULTS Baseline characteristics were similar between OW semaglutide (n = 995) and empagliflozin (n = 410). Our analyses showed that OW semaglutide significantly reduced mean HbA1c and body weight vs empagliflozin (estimated treatment difference: -0.61%-point [95% confidence interval (CI): -0.72; -0.49] and -1.65 kg [95% CI: -2.22; -1.08], respectively; both P < 0.0001). Complementary analyses supported the robustness of these results. A significantly greater proportion of patients on OW semaglutide vs empagliflozin also achieved HbA1c targets and weight-loss responses. CONCLUSIONS This indirect comparison suggests that OW semaglutide 1 mg provides superior reductions in HbA1c and body weight vs OD empagliflozin 25 mg in patients with T2D when added to metformin monotherapy.
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Sodium-glucose co-transporter-2 (SGLT-2) inhibitors and cancer: A meta-analysis of randomized controlled trials.
Dicembrini, I, Nreu, B, Mannucci, E, Monami, M
Diabetes, obesity & metabolism. 2019;(8):1871-1877
Abstract
AIM: The aim of this meta-analysis of randomized trials was to assess the effects of SGLT-2i on the overall incidence of malignancies and on different types of cancer, summerizing the results of trials with a duration of at least 1 year. This was done in light of the effect of SGLT-2 inhibitors (SGLT-2is) that has been highlighted by some studies, showing an increased incidence of bladder cancer, particularly with use of empagliflozin. MATERIALS AND METHODS A Medline and Embase search for "Canaglifozin", "Dapaglifozin", "Empaglifozin", "Ertuglifozin", "Ipraglifozin", Tofoglifozin" or "Luseoglifozin" was performed, identifying randomized trials with a duration of more than 52 weeks up to 1 December 2018 that compared SGLT-2is with placebo or active comparators. The outcomes considered were all types of cancer and several site-specific cancers (ie, breast, pulmonary, gastrointestinal, hepatic, pancreatic, skin, prostate and bladder). Mantel-Haenszel odds ratios with 95% Confidence Intervals (MH-OR, 95% CI) were calculated for all outcomes. RESULTS A total of 27 trials fulfilled the inclusion criteria. Retrieved trials had enrolled 27 744 and 20 441 patients in SGLT-2 inhibitor and comparator groups, respectively. No difference was observed in the incidence of all malignancies between patients allocated to SGLT-2i and comparators (MH-OR 0.98[0.77-1.24]). The incidence of bladder cancer, and of any other type of cancer, was not significantly increased by treatment with any SGLT-2i. CONCLUSIONS Available data from randomized trials do not suggest a detrimental effect of SGLT-2is on the incidence of malignancies in general, or in bladder cancer in particular.
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Urinary bisphenol A and serum lipids: a meta-analysis of six NHANES examination cycles (2003-2014).
Dunder, L, Lejonklou, MH, Lind, PM, Lind, L
Journal of epidemiology and community health. 2019;(11):1012-1019
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BACKGROUND Mounting evidence from both experimental and epidemiological studies suggest that exposure to the endocrine disruptor bisphenol A (BPA) has a role in metabolic disorders. The aim of the present study was to assess whether urinary BPA concentrations were associated with dyslipidaemia in children (≤17 years old) and adults (≥18 years old) by performing a meta-analysis of data from six cycles (2003-2014) in the National Health and Nutrition Examination Survey (NHANES). METHODS We conducted a meta-analysis of data from 4604 children and 10 989 adult participants who were part of a substudy of urinary BPA measurements from six NHANES cycles from 2003 to 2014. Linear regression models conducted in each cycle were used to perform a meta-analysis to investigate associations between urinary BPA and serum levels of low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), total cholesterol (TC), triglycerides (TG) and apolipoprotein B (ApoB). RESULTS The meta-analysis did not disclose any significant associations between urinary BPA concentrations and LDL-C, HDL-C, TC, TG and ApoB in children. In adults, the meta-analysis revealed negative regression coefficients for all five lipid variables. However, no associations were significant following Bonferroni correction for multiple tests. CONCLUSIONS In the present meta-analysis of cross-sectional data from NHANES, no associations were found between urinary BPA and the five different lipid variables when investigated in both children and adults. However, considering the cross-sectional nature of the present study, results should be clarified in carefully designed longitudinal cohort studies with repeated BPA measurements.
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Uric acid lowering in relation to HbA1c reductions with the SGLT2 inhibitor tofogliflozin.
Ouchi, M, Oba, K, Kaku, K, Suganami, H, Yoshida, A, Fukunaka, Y, Jutabha, P, Morita, A, Otani, N, Hayashi, K, et al
Diabetes, obesity & metabolism. 2018;(4):1061-1065
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An integrated analysis was performed with data from 4 phase 2 and phase 3 studies of tofogliflozin in which patients with type 2 diabetes mellitus received the sodium-glucose cotransporter 2 inhibitor tofogliflozin for up to 24 weeks. Sex differences, baseline haemoglobin A1c (HbA1c) and serum uric acid (UA) levels, and log10 -transformed urinary N-acetyl-β-D-glucosaminidase ratio were significantly correlated with the reduction in serum UA levels at both 4 and 24 weeks in multivariate analysis (respectively, P < .0001). The decrease in HbA1c levels was greatest in the group with the highest baseline HbA1c level (quartile 4; HbA1c > 8.6%) and lowest in the group with the lowest baseline HbA1c level (quartile 1; HbA1c ≤ 7.4%). The decrease in serum UA levels was greatest in the quartile 1 group and lowest in the quartile 4 group. In most groups, the maximum decrease in serum UA levels was seen in the first 4 weeks, while the maximum decrease in HbA1c was seen at week 24. Thus, serum UA levels were significantly decreased in patients with moderate HbA1c levels.
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Dapagliflozin in patients with type 2 diabetes mellitus: A pooled analysis of safety data from phase IIb/III clinical trials.
Jabbour, S, Seufert, J, Scheen, A, Bailey, CJ, Karup, C, Langkilde, AM
Diabetes, obesity & metabolism. 2018;(3):620-628
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AIM: To evaluate the safety and tolerability of dapagliflozin, a highly selective sodium-glucose co-transporter-2 inhibitor, in patients with type 2 diabetes mellitus (T2DM). METHODS Data were pooled from 13 placebo-controlled trials of up to 24 weeks' duration (dapagliflozin, n = 2360; placebo, n = 2295). Larger placebo-/comparator-controlled pools of 21 (≤208 weeks; dapagliflozin, n = 5936; control, n = 3403) and 30 trials (≥12 weeks; dapagliflozin, n = 9195; control, n = 4629) assessed the rare adverse events (AEs) of diabetic ketoacidosis (DKA) and lower limb amputation, respectively. RESULTS Over 24 weeks, the overall incidence of AEs and serious AEs (SAEs) was similar for dapagliflozin and placebo: 60.0% vs 55.7% and 5.1% vs 5.4%, respectively. Rates of hypoglycaemia, volume depletion AEs, urinary tract infections (UTIs) and fractures were balanced between the groups. Genital infections were more frequent with dapagliflozin (5.5%) vs placebo (0.6%) and renal function AEs occurred in 3.2% vs 1.8% of patients (the most common renal AE was decreased creatinine clearance: 1.1% vs 0.7%). In the 21-study pool, 1 SAE of DKA and 3 AEs of ketonuria/metabolic acidosis occurred with dapagliflozin vs none with control; estimated combined incidence for these events was 0.03% (95% confidence interval 0.010-0.089). In the 30-study pool, lower limb amputation occurred in 8 (0.1%) and 7 (0.2%) patients receiving dapagliflozin and control, respectively. CONCLUSION The overall incidence rates of AEs and SAEs were similar in the dapagliflozin and placebo/control groups, including the incidence of hypoglycaemia, volume depletion, fractures, UTIs, amputations and DKA. Genital infections were more frequent with dapagliflozin than placebo.
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Sodium-glucose cotransporter 2 (SGLT2) inhibitors and fracture risk in patients with type 2 diabetes mellitus: A meta-analysis.
Ruanpeng, D, Ungprasert, P, Sangtian, J, Harindhanavudhi, T
Diabetes/metabolism research and reviews. 2017;(6)
Abstract
BACKGROUND Sodium-glucose cotransporter 2 (SGLT2) inhibitors could potentially alter calcium and phosphate homeostasis and may increase the risk of bone fracture. METHODS The current meta-analysis was conducted to investigate the fracture risk among patients with type 2 diabetes mellitus treated with SGLT2 inhibitors. Randomized controlled trials that compared the efficacy of SGLT2 inhibitors to placebo were identified. The risk ratios of fracture among patients who received SGLT2 inhibitors versus placebo were extracted from each study. Pooled risk ratios and 95% confidence intervals were calculated using a random-effect, Mantel-Haenszel analysis. RESULTS A total of 20 studies with 8286 patients treated with SGLT2 inhibitors were included. The pooled risk ratio of bone fracture in patients receiving SGLT2 inhibitors versus placebo was 0.67 (95% confidence interval, 0.42-1.07). The pooled risk ratio for canagliflozin, dapagliflozin, and empagliflozin was 0.66 (95% confidence interval, 0.37-1.19), 0.84 (95% confidence interval, 0.22-3.18), and 0.57 (95% confidence interval, 0.20-1.59), respectively. CONCLUSIONS Increased risk of bone fracture among patients with type 2 diabetes mellitus treated with SGLT2 inhibitors compared with placebo was not observed in this meta-analysis. However, the results were limited by short duration of treatment/follow-up and low incidence of the event of interest.