Dataset Information

Triple therapy with low-dose dapagliflozin plus saxagliptin versus dual therapy with each monocomponent, all added to metformin, in uncontrolled type 2 diabetes.

ABSTRACT: AIM:To evaluate the efficacy and safety of triple therapy with low-dose dapagliflozin plus saxagliptin added to metformin in uncontrolled type 2 diabetes. MATERIALS AND METHODS:This 24-week, double-blind trial (NCT02681094) randomized 883 patients (glycated haemoglobin [HbA1c] 7.5-10.0%) on metformin ?1500?mg/d to add-on dapagliflozin 5 mg/d plus saxagliptin 5 mg/d or to add-on of either monocomponent. The primary endpoint was change in HbA1c from baseline. RESULTS:Baseline mean?±?SD patient characteristics were: age 56.7?±?10.5 years; HbA1c 8.2?±?0.9%; and diabetes duration 7.6?±?6.1 years. Triple therapy significantly decreased HbA1c versus dual therapy (-1.03% vs. -0.63% [dapagliflozin] vs. -0.69% [saxagliptin]; P?

SUBMITTER: Rosenstock J

PROVIDER: S-EPMC6771748 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Triple therapy with low-dose dapagliflozin plus saxagliptin versus dual therapy with each monocomponent, all added to metformin, in uncontrolled type 2 diabetes.

Rosenstock Julio J Perl Shira S Johnsson Eva E García-Sánchez Ricardo R Jacob Stephan S

Diabetes, obesity & metabolism 20190624 9

<h4>Aim</h4>To evaluate the efficacy and safety of triple therapy with low-dose dapagliflozin plus saxagliptin added to metformin in uncontrolled type 2 diabetes.<h4>Materials and methods</h4>This 24-week, double-blind trial (NCT02681094) randomized 883 patients (glycated haemoglobin [HbA1c] 7.5-10.0%) on metformin ≥1500 mg/d to add-on dapagliflozin 5 mg/d plus saxagliptin 5 mg/d or to add-on of either monocomponent. The primary endpoint was change in HbA1c from baseline.<h4>Results</h4>Baseline ...[more]

PMID: 31144431

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Project description: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.

Project description:ObjectiveTo examine the mechanisms responsible for improved glycemia with combined sodium-glucose cotransporter 2 inhibitor (SGLT2i) plus dipeptidyl peptidase 4 inhibitor therapy in type 2 diabetes.Research design and methodsFifty-six patients (HbA1c 8.9 ± 0.2% [74 ± 2 mmol/mol]) were randomized to dapagliflozin (DAPA) 10 mg, DAPA/saxagliptin (SAXA) 10/5 mg, or placebo (PCB) for 16 weeks. Basal endogenous glucose production (EGP) (3-3H-glucose), urinary glucose excretion, glucose/lipid oxidation, HbA1c, and substrate/hormone levels were determined before treatment (Pre-Tx) and after treatment (Post-Tx).ResultsAt week 16, HbA1c decrease was greater (P < 0.05) in DAPA/SAXA (-2.0 ± 0.3%) vs. DAPA (-1.4 ± 0.2%) and greater than PCB (0.2 ± 0.2%). Day 1 of drug administration, EGP (∼2.40 mg/kg/min) decreased by -0.44 ± 0.09 mg/kg/min in PCB (P < 0.05) but only by -0.21 ± 0.02 mg/kg/min in DAPA and DAPA/SAXA (P < 0.05 vs. PCB). At week 16, EGP increased to 2.67 ± 0.09 mg/kg/min (DAPA) and 2.61 ± 0.08 mg/kg/min (DAPA/SAXA), despite reductions in fasting plasma glucose by 47 and 77 mg/dL, respectively, and no changes in PCB. Baseline plasma free fatty acids rose by 40 µmol/L with DAPA but declined by -110 with PCB and -90 µmol/L with DAPA/SAXA (P < 0.05, Pre-Tx vs. Post-Tx). In DAPA, carbohydrate oxidation rates decreased from 1.1 ± 0.1 to 0.7 ± 0.1 mg/kg/min, whereas lipid oxidation rates increased from 0.6 ± 0.1 to 0.8 ± 0.1 mg/kg/min (P < 0.01). In DAPA/SAXA, the shift in carbohydrate (1.1 ± 0.1 to 0.9 ± 0.1 mg/kg/min) and lipid (0.6 ± 0.1 to 0.7 ± 0.1 mg/kg/min) oxidation was attenuated (P < 0.05).ConclusionsThe addition of SAXA to DAPA resulted in superior glycemic control compared with DAPA monotherapy partly because of increased glucose utilization and oxidation. Although the decrease in insulin/glucagon ratio was prevented by SAXA, EGP paradoxical elevation persisted, indicating that other factors mediate EGP changes in response to SGLT2i-induced glucosuria.

Project description:This analysis assessed whether responses with exenatide once weekly plus dapagliflozin (n?=?231), exenatide once weekly alone (n?=?230), or dapagliflozin alone (n?=?233) differed in key patient subpopulations of the DURATION-8 trial. Potential treatment-by-subgroup interactions for changes in glycated haemoglobin (HbA1c) and body weight after 28?weeks were evaluated among subgroups determined by baseline HbA1c, age, sex, body mass index, type 2 diabetes duration, race, ethnicity and estimated glomerular filtration rate (eGFR). Exenatide once weekly plus dapagliflozin reduced HbA1c and body weight across all subgroups: least-squares mean reductions ranged from -8.4 to -26.1?mmol/mol (-0.77% to -2.39%) for HbA1c and from -2.07 to -4.55?kg for body weight. Potential treatment-by-subgroup interactions (P?<?.10) were found for HbA1c change by age (P?= .016) and eGFR (P?= .097). Age subgroup analysis findings were not consistent with expected mechanistic effects, with the small number of patients aged ?65?years (n?=?74 vs n?=?499 for patients aged <65?years) limiting the interpretability of the interaction term. In the exenatide once weekly plus dapagliflozin and dapagliflozin groups, but not the exenatide once weekly group, HbA1c reductions were greater among patients with eGFR ?90 vs ?60 to <90?mL/min/1.73?m2 (least-squares mean reductions of -23.6 vs -19.0?mmol/mol [-2.16% vs -1.74%], -17.3 vs -12.0?mmol/mol [-1.58% vs -1.10%], and -17.7 vs -16.9?mmol/mol [-1.62% vs -1.55%] for the respective treatments); this was consistent with the mechanism of action of dapagliflozin. A potential treatment-by-subgroup interaction was observed for change in body weight by sex (P?= .099), with greater weight loss for women vs men across all treatments (range?-2.56 to -3.98?kg vs -0.56 to -2.99?kg). In conclusion, treatment with exenatide once weekly plus dapagliflozin reduced HbA1c and body weight across all patient subgroups and was more effective than exenatide once weekly or dapagliflozin alone in all adequately sized subgroups.

Dataset Information

Triple therapy with low-dose dapagliflozin plus saxagliptin versus dual therapy with each monocomponent, all added to metformin, in uncontrolled type 2 diabetes.

Publications

Triple therapy with low-dose dapagliflozin plus saxagliptin versus dual therapy with each monocomponent, all added to metformin, in uncontrolled type 2 diabetes.

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