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Cost-effectiveness of liraglutide versus lixisenatide as add-on therapies to basal insulin in type 2 diabetes.

ABSTRACT: We assessed the cost-effectiveness of the glucagon-like peptide 1 receptor agonists liraglutide 1.8 mg and lixisenatide 20 ?g (both added to basal insulin) in patients with type 2 diabetes (T2D) in Sweden.The Swedish Institute for Health Economics cohort model for T2D was used to compare liraglutide and lixisenatide (both added to basal insulin), with a societal perspective and with comparative treatment effects derived by indirect treatment comparison (ITC). Drug prices were 2016 values, and all other costs 2015 values. The cost-effectiveness of IDegLira (fixed-ratio combination of insulin degludec and liraglutide) versus lixisenatide plus basal insulin was also assessed, under different sets of assumptions.From the ITC, decreases in HbA1c were -1.32% and -0.43% with liraglutide and lixisenatide, respectively; decreases in BMI were -1.29 and -0.65 kg/m2, respectively. An estimated 2348 cases of retinopathy, 265 of neuropathy and 991 of nephropathy would be avoided with liraglutide compared with lixisenatide in a cohort of 10,000 patients aged over 40 years. In the base-case analysis, total direct costs were higher with liraglutide than lixisenatide, but costs associated with complications were lower. The cost/quality-adjusted life-year (QALY) for liraglutide added to basal insulin was SEK30,802. Base-case findings were robust in sensitivity analyses, except when glycated haemoglobin (HbA1c) differences for liraglutide added to basal insulin were abolished, suggesting these benefits were driving the cost/QALY. With liraglutide 1.2 mg instead of liraglutide 1.8 mg (adjusted for efficacy and cost), liraglutide added to basal insulin was dominant over lixisenatide 20?g.IDegLira was dominant versus lixisenatide plus basal insulin when a defined daily dose was used in the model.The costs/QALY for liraglutide, 1.8 or 1.2 mg, added to basal insulin, and for IDegLira (all compared with lixisenatide 20 ?g added to basal insulin) were below the threshold considered low by Swedish authorities. In some scenarios, liraglutide and IDegLira were cost-saving.

SUBMITTER: Ericsson A

PROVIDER: S-EPMC5800677 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Cost-effectiveness of liraglutide versus lixisenatide as add-on therapies to basal insulin in type 2 diabetes.

Ericsson Åsa Å Glah Divina D Lorenzi Maria M Jansen Jeroen P JP Fridhammar Adam A

PloS one 20180206 2

<h4>Background</h4>We assessed the cost-effectiveness of the glucagon-like peptide 1 receptor agonists liraglutide 1.8 mg and lixisenatide 20 μg (both added to basal insulin) in patients with type 2 diabetes (T2D) in Sweden.<h4>Methods</h4>The Swedish Institute for Health Economics cohort model for T2D was used to compare liraglutide and lixisenatide (both added to basal insulin), with a societal perspective and with comparative treatment effects derived by indirect treatment comparison (ITC). D ...[more]

PMID: 29408938

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Project description:IntroductionGlucagon-like peptide-1 (GLP-1) receptor agonists are used successfully in the treatment of patients with type 2 diabetes as they are associated with low hypoglycemia rates, weight loss and improved glycemic control. This study compared, in the Spanish setting, the cost-effectiveness of liraglutide 1.8 mg versus lixisenatide 20 μg, both GLP-1 receptor agonists, for patients with type 2 diabetes who had not achieved glycemic control targets on metformin monotherapy.MethodsThe IMS CORE Diabetes Model was used to project clinical outcomes and costs, expressed in 2015 Euros, over patient lifetimes. Baseline cohort data and treatment effects were taken from the 26-week, open-label LIRA-LIXI™ trial (NCT01973231). Treatment and management costs of diabetes-related complications were retrieved from published sources and databases. Future benefits and costs were discounted by 3% annually. Sensitivity analyses were conducted.ResultsCompared with lixisenatide 20 μg, liraglutide 1.8 mg was associated with higher life expectancy (14.42 vs. 14.29 years), higher quality-adjusted life expectancy [9.40 versus 9.26 quality-adjusted life years (QALYs)] and a reduced incidence of diabetes-related complications. Higher acquisition costs resulted in higher total costs for liraglutide 1.8 mg (EUR 42,689) than for lixisenatide 20 μg (EUR 42,143), but these were partly offset by reduced costs of treating diabetes-related complications (EUR 29,613 vs. EUR 30,636). Projected clinical outcomes and costs resulted in an incremental cost-effectiveness ratio of EUR 4113 per QALY gained for liraglutide 1.8 mg versus lixisenatide 20 μg.ConclusionsLong-term projections in the Spanish setting suggest that liraglutide 1.8 mg is likely to be cost-effective compared with lixisenatide 20 μg in type 2 diabetes patients who have not achieved glycemic control targets on metformin monotherapy. Liraglutide 1.8 mg presents a clinically and economically attractive treatment option in the Spanish setting.

Project description:IntroductionOnce-weekly semaglutide is a novel glucagon-like peptide-1 (GLP-1) analog for the treatment of type 2 diabetes (T2D) that has been associated with greater reductions in glycated hemoglobin (HbA1c) and body weight versus GLP-1 receptor agonists dulaglutide, exenatide extended-release (ER), liraglutide and lixisenatide in the SUSTAIN trial program and a network meta-analysis (NMA). The aim of the present study was to assess the long-term cost-effectiveness of semaglutide versus all available GLP-1 receptor agonists in Denmark, using a clinically orientated treatment approach.MethodsOutcomes were projected over patient lifetimes using the IQVIA CORE Diabetes Model. Baseline characteristics and treatment effects were sourced from the corresponding SUSTAIN trials and the NMA. Patients were assumed to initiate GLP-1 receptor agonist therapy and subsequently treatment-intensify according to clinical treatment guidelines, with addition of basal insulin and switching to basal-bolus insulin occurring when HbA1c exceeded recommended targets. Patients were assumed to receive a GLP-1 receptor agonist plus basal insulin therapy once HbA1c levels reached 7.5% and a basal-bolus insulin regimen once HbA1c exceeded 8.0%. Costs were captured in 2017 Danish kroner (DKK), with future costs and outcomes discounted at 3% per annum.ResultsPrimary analyses indicated that semaglutide 0.5 mg and 1 mg were associated with improvements in quality-adjusted life expectancy of 0.11 and 0.34 quality-adjusted life years, respectively, versus dulaglutide, achieved at cost savings of DKK 289 and DKK 13,416, respectively. Supporting analyses indicated that both doses of semaglutide were either cost-effective or dominant versus exenatide ER, liraglutide 1.2 mg and 1.8 mg and lixisenatide.ConclusionSemaglutide represents a cost-effective alternative to other GLP-1 receptor agonist therapies available in Denmark, demonstrating clinical benefits versus dulaglutide, exenatide ER, liraglutide and lixisenatide for the treatment of patients with T2D.FundingNovo Nordisk A/S. Plain language summary available for this article.

Project description:IntroductionFew patients with type 2 diabetes mellitus (T2DM) achieve recommended glycemic control targets in the Czech Republic. Novel therapies, such as fixed-ratio combinations of basal insulin plus glucagon-like peptide-1 receptor agonists, may contribute to better glycemic control. In the analysis presented here, the present analysis assessed the long-term cost-effectiveness of two fixed-ratio combinations, IDegLira (insulin degludec/liraglutide) and iGlarLixi (insulin glargine/lixisenatide), for the treatment of patients with T2DM inadequately controlled with basal insulin from a healthcare payer perspective in the Czech Republic.MethodsA cost-effectiveness analysis was performed over patient lifetimes using the IQVIA CORE Diabetes Model. Treatment effects were obtained from an indirect treatment comparison as no head-to-head data for IDegLira versus iGlarLixi are currently available. IDegLira was compared with two iGlarLixi pens (100 U/mL insulin glargine + 33 μg/mL and 50 μg/mL of lixisenatide, respectively). Direct medical costs associated with pharmaceutical interventions, screening and diabetes-related complications were captured. Deterministic and probabilistic sensitivity analyses were performed.ResultsIDegLira was associated with gains in life expectancy of 0.11 years and in quality-adjusted life expectancy of 0.14 quality-adjusted life-years (QALYs) versus iGlarLixi, due to a lower cumulative incidence and delayed onset of diabetes-related complications. IDegLira was also associated with higher projected costs due to higher acquisition costs; however, these were partially offset by cost savings from avoided complications. IDegLira was associated with incremental cost-effectiveness ratios of Czech Koruna (CZK) 695,998 and CZK 348,323 per QALY gained versus iGlarLixi pens containing 33 and 50 μg/mL of lixisenatide, respectively. These ratios were below the commonly used willingness-to-pay threshold of CZK 1,200,000 per QALY gained.ConclusionThe present analysis indicated that IDegLira was associated with clinical benefits relative to iGlarLixi over patient lifetimes and was likely to be cost-effective in the treatment of patients with T2DM uncontrolled on basal insulin in the Czech Republic.FundingNovo Nordisk. Plain language summary is available for this article.

Project description:There is currently a lack of evidence from direct comparisons of treatment outcomes with lixisenatide versus neutral protamine Hagedorn (NPH)-insulin in type 2 diabetes mellitus (T2DM) patients with suboptimal glycaemic control with oral antidiabetic drugs (OADs). Hence, the current analysis indirectly compared available evidence on the risk of hypoglycaemia and weight change between lixisenatide and NPH-insulin based on randomized controlled trial (RCT) data with exenatide, insulin glargine and placebo as common references.A systematic search of PubMed, Embase, the Cochrane database and clinical registries identified English- and German-language articles published from January 1980 to October 2012 reporting data from RCTs. Only publications of trials that reported outcomes from 24 to 30 weeks comparing glucagon-like peptide-1 receptor agonists or basal insulin versus another antidiabetic agent or placebo were included. Hypoglycaemia, patients at glycated haemoglobin (HbA1c) target and discontinuations due to adverse events (AEs) were treated as binary variables, with risk ratios and odds ratios (ORs) calculated. HbA1c and body weight were treated as continuous variables with difference in mean change from baseline (MD) calculated. Meta-analyses were performed with random effects models and indirect comparisons were performed according to Bucher's method.Seven RCTs (n=3,301 patients) comparing the efficacy and safety of lixisenatide, exenatide, insulin glargine and NPH-insulin with different antidiabetic treatments in adult patients with T2DM were included in the final analysis. In the adjusted indirect comparison, there was a significant difference in symptomatic hypoglycaemia (OR = 0.38; 95% CI = [0.17, 0.85]) and in confirmed hypoglycaemia (OR = 0.46; 95% CI = [0.22, 0.96]) favouring lixisenatide over NPH-insulin and comparable changes in HbA1c from baseline (MD = 0.07%; 95% CI = [-0.26%, 0.41%]). In contrast to NPH-insulin, there was a significant reduction in body weight with lixisenatide (MD = -3.62 kg; 95% CI = [-5.86 kg, -1.38 kg]) at study completion. The number of discontinuations due to AEs numerically favoured NPH-insulin over lixisenatide (OR = 2.64; 95% CI = [0.25, 27.96]), with a broad confidence interval.Lixisenatide treatment was associated with a lower risk of hypoglycaemia and a greater weight loss compared with NPH-insulin. Glycaemic control with lixisenatide treatment was comparable with NPH-insulin. These data suggest that lixisenatide is a beneficial treatment option for T2DM patients with inadequate glycaemic control on OADs, and is associated with reduced risk of hypoglycaemia and weight gain.

Project description:ObjectivesMetformin is the first-line therapy for most patients with type 2 diabetes, but the majority require treatment intensification at some stage due to the progressive nature of the disease. The 1860-LIRA-DPP-4 trial showed that liraglutide exhibited greater improvements compared with sitagliptin in glycated hemoglobin and body mass index in patients with type 2 diabetes inadequately controlled on metformin monotherapy. As a follow-up to a previously published cost-effectiveness analysis of 1.2 mg liraglutide versus sitagliptin in Spain, the aim of this analysis was to compare long-term projections of the clinical and cost implications associated with 1.8 mg liraglutide and sitagliptin.MethodsFor the modeling analysis, 52-week treatment effect data (as opposed to 26-week data in the previous analysis) were taken from the 1860-LIRA-DPP-4 trial, for adults with type 2 diabetes receiving 1.8 mg liraglutide or 100 mg sitagliptin daily in addition to metformin. Long-term (patient lifetime) projections of clinical outcomes and direct costs (2012 EUR) were made using a published and validated model of type 2 diabetes, with modeling assumptions as per the 1.2 mg liraglutide analysis.ResultsLiraglutide was associated with increased life expectancy (14.24 versus 13.87 years) and quality-adjusted life expectancy [9.24 versus 8.84 quality-adjusted life years (QALYs)] over sitagliptin. Improved clinical outcomes were attributable to the improvement in glycemic control, leading to a reduced incidence of diabetes-related complications, including renal disease, cardiovascular disease, ophthalmic and diabetic foot complications. Liraglutide was associated with increased direct costs (EUR 56,628 versus EUR 52,450), driven by increased pharmacy costs. Based on these estimates, liraglutide was associated with an incremental cost-effectiveness ratio of EUR 10,436 per QALY gained versus sitagliptin.ConclusionsA previous analysis has suggested that 1.2 mg liraglutide is cost-effective from a healthcare payer perspective in Spain, and the present analysis suggests that the 1.8 mg dose is also likely to be cost-effective.

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Cost-effectiveness of liraglutide versus lixisenatide as add-on therapies to basal insulin in type 2 diabetes.

Publications

Cost-effectiveness of liraglutide versus lixisenatide as add-on therapies to basal insulin in type 2 diabetes.

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