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Efficacy and safety of the glucagon-like peptide-1 receptor agonist lixisenatide versus the dipeptidyl peptidase-4 inhibitor sitagliptin in young (<50 years) obese patients with type 2 diabetes mellitus.

ABSTRACT: Objective:To compare the efficacy and safety of the once-daily prandial glucagon-like peptide-1 receptor agonist lixisenatide with the dipeptidyl peptidase-4 inhibitor sitagliptin in patients aged <50 years affected by obesity and type 2 diabetes mellitus (T2DM). Materials and methods:This was a 24-week, double-blind, randomized, parallel-group study. Obese patients with T2DM inadequately controlled on metformin were randomized to lixisenatide 20 ?g once-daily injection (n = 158) or once-daily oral sitagliptin 100 mg (n = 161). The primary endpoint was the proportion of patients with a glycated hemoglobin (HbA1c) <7% and ?5% weight loss at 24 weeks. Results:The proportion of patients that achieved the primary endpoint was 12.0% for lixisenatide versus 7.5% for sitagliptin; weighted average of proportion difference: 4.6%, p = 0.1696). A total of 40.7% of patients achieved HbA1c <7% with lixisenatide versus 40.0% with sitagliptin. Lixisenatide produced greater reductions in body weight (LS mean difference: -1.3 kg, p = 0.0006) and postprandial plasma glucose after a standardized meal test (LS mean difference: -34.4 mg/dL [-1.9 mmol/L], p = 0.0001) versus sitagliptin. There was a similar incidence of treatment-emergent adverse events (63.9% vs. 60.9%) and serious treatment-emergent adverse events (1.9% vs. 1.9%), with low rates of symptomatic hypoglycemia (0.6% vs. 1.9%) for lixisenatide and sitagliptin, respectively, and no cases of severe hypoglycemia. Conclusion:In obese patients aged <50 years with T2DM, the proportion of patients with an HbA1c <7% with weight loss ?5% was similar between groups. Lixisenatide, however, resulted in significantly greater reductions in body weight and postprandial plasma glucose excursions than sitagliptin. Tolerability was similar between groups.

SUBMITTER: Van Gaal L

PROVIDER: S-EPMC5685032 | biostudies-literature | 2014 Jun

REPOSITORIES: biostudies-literature

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Efficacy and safety of the glucagon-like peptide-1 receptor agonist lixisenatide versus the dipeptidyl peptidase-4 inhibitor sitagliptin in young (<50 years) obese patients with type 2 diabetes mellitus.

Van Gaal Luc L Souhami Elisabeth E Zhou Tianyue T Aronson Ronnie R

Journal of clinical & translational endocrinology 20140411 2

<h4>Objective</h4>To compare the efficacy and safety of the once-daily prandial glucagon-like peptide-1 receptor agonist lixisenatide with the dipeptidyl peptidase-4 inhibitor sitagliptin in patients aged <50 years affected by obesity and type 2 diabetes mellitus (T2DM).<h4>Materials and methods</h4>This was a 24-week, double-blind, randomized, parallel-group study. Obese patients with T2DM inadequately controlled on metformin were randomized to lixisenatide 20 μg once-daily injection (<i>n</i> ...[more]

PMID: 29159080

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Project description:IntroductionSaxagliptin, sitagliptin, and vildagliptin are dipeptidyl peptidase-4 (DPP-4) inhibitors widely approved for use in patients with type 2 diabetes. Using a crossover design, the present study compared trough levels of DPP-4 inhibition provided by these agents in a single cohort of patients with type 2 diabetes.MethodsThis was a randomized, placebo-controlled, open-label, five-period crossover study. Eligible patients were 18-65 years of age, either treatment-naïve or off prior antihyperglycemic agent therapy for at least 6 or 12 weeks (depending on the prior therapy), and had glycated hemoglobin (HbA1C) ≥6.5% and ≤10.0%. In separate study periods, patients received 5 mg saxagliptin q.d. (saxa-5), 100 mg sitagliptin q.d. (sita-100), 50 mg vildagliptin q.d. (vilda-50-q.d.), 50 mg vildagliptin b.i.d. (vilda-50-b.i.d.), or placebo for 5 days. The primary endpoint was trough %DPP-4 inhibition, derived by comparing DPP-4 activity 24 h after the Day-5 morning dose with predose activity in the same period and analyzed using a linear mixed-effects model with fixed-effects terms for treatment and period.ResultsMean (range) baseline HbA1C was 7.4% (6.4-9.0%; N = 22). Least-squares (LS) mean trough %DPP-4 inhibition was 73.5%, 91.7%, 28.9%, 90.6%, and 3.5% after saxa-5, sita-100, vilda-50-q.d., vilda-50-b.i.d., and placebo, respectively. In patients treated with sita-100, the LS-mean difference in trough %DPP-4 inhibition was 18.2% greater than with saxa-5 (p < 0.001), 62.9% greater than with vilda-50-q.d. (p < 0.001), 1.1% greater than with vilda-50-b.i.d. (p = 0.128), and 87.8% greater than with placebo (p < 0.001). Mean %DPP-4 inhibition was nearly maximal at 12 h postdose regardless of active treatment. Thus, these between-group comparisons at trough primarily reflected differences in duration of action. Adverse events reported during the study were transient and mild or moderate in intensity.ConclusionOnce daily treatment with sitagliptin provided trough DPP-4 inhibition significantly greater than saxagliptin or vildagliptin administered once daily, and similar to that provided by vildagliptin administered twice daily.

Project description:Aims Hyperglucagonemia occurs in the pathogenesis of type 2 diabetes mellitus (T2DM). In this meta-analysis, we summarized the effects of DPP4 inhibitors on glucagon levels in patients with T2DM. Materials and methods Randomized controlled trials (RCTs) comparing the influence of DPP4 inhibitors on circulating glucagon levels with placebo or other oral antidiabetic drugs (OADs) in patients with T2DM were identified by searches of Medline (PubMed), Embase (Ovid), and CENTER (Cochrane Library). Only studies reporting changes in glucagon level presented as total area under the curve (AUCglucagon) using a meal or oral glucose tolerance test were included. Results were combined using a random-effects model that incorporated potential heterogeneity among the included studies. Results A total of 36 RCTs with moderate to high quality were included. Overall, the numbers of T2DM patients included for the meta-analyses comparing DPP4 inhibitors with placebo and other OADs were 4266 and 1652, respectively. Compared to placebo, DPP4 inhibitors significantly reduced circulating glucagon levels (standard mean difference [SMD]: -0.32, 95% CI: -0.40 to -0.24, P<0.001; I2 = 28%). Analysis of subgroups revealed that study characteristics had no significant effect on results, such as study design (parallel group or crossover), number of patients, mean patient age, proportion of men, baseline HbA1c, duration of diabetes, background therapy, treatment duration, or methods for glucagon measurement (all P for subgroup differences >0.05). Moreover, DPP4 inhibitors significantly reduced glucagon levels compared to other OADs (SMD: -0.35, 95% CI: -0.53 to -0.16, P<0.001; I2 = 66%), and the reduction in glucagon was greater in comparison with insulin secretagogues than in comparison with non-insulin secretagogues (P for subgroup difference =0.03). Systematic review registration https://inplasy.com/, identifier INPLASY202280104. Conclusions DPP4 inhibitors are effective at reducing the circulating postprandial glucagon level in T2DM patients.

Dataset Information

Efficacy and safety of the glucagon-like peptide-1 receptor agonist lixisenatide versus the dipeptidyl peptidase-4 inhibitor sitagliptin in young (<50 years) obese patients with type 2 diabetes mellitus.

Publications

Efficacy and safety of the glucagon-like peptide-1 receptor agonist lixisenatide versus the dipeptidyl peptidase-4 inhibitor sitagliptin in young (<50 years) obese patients with type 2 diabetes mellitus.

Similar Datasets

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