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Cost-Effectiveness of Empagliflozin for the Treatment of Patients with Type 2 Diabetes Mellitus at Increased Cardiovascular Risk in Greece.

TitleCost-Effectiveness of Empagliflozin for the Treatment of Patients with Type 2 Diabetes Mellitus at Increased Cardiovascular Risk in Greece.
Publication TypeJournal Article
Year of Publication2018
AuthorsGourzoulidis, G., Tzanetakos C., Ioannidis I., Tsapas A., Kourlaba G., Papageorgiou G., & Maniadakis N.
JournalClin Drug Investig
Volume38
Issue5
Pagination417-426
Date Published2018 May
ISSN1179-1918
KeywordsAdult, Benzhydryl Compounds, Cardiovascular Diseases, Cost-Benefit Analysis, Diabetes Mellitus, Type 2, Glucosides, Greece, Humans, Hypoglycemic Agents, Middle Aged, Models, Economic, Quality-Adjusted Life Years, Risk Factors, Treatment Outcome
Abstract

BACKGROUND AND OBJECTIVE: Type 2 diabetes mellitus (T2DM) is frequently associated with co-morbidities that exacerbate cardiovascular (CV) risk. CV disease is the leading cause of death in people with diabetes across the world and accounts for approximately half the deaths in the T2DM population. Hence, the objective of present study was to evaluate the cost-effectiveness of empagliflozin, in addition to standard of care (SoC), for the treatment of adult patients with T2DM and high CV risk in Greece.METHODS: A health economic model was used to project clinical and economic outcomes of patients receiving empagliflozin plus SoC compared with those receiving SoC alone over a lifetime horizon. CV and renal event rates were derived from patient level data from the EMPA-REG-OUTCOME trial by fitting time-dependent parametric survival functions. 5000 individual patient profiles randomly sampled from the trial were simulated using a time-to-event approach. Model extrapolated outcomes included life years (LYs), quality-adjusted life years (QALYs), costs, and incremental cost-effectiveness ratio (ICER). Following a Greek third-party payer perspective, only direct medical costs related to drug acquisition as well as fatal and non-fatal diabetes-related complications were considered (€2016). Cost units and utility data were extracted from the literature and publicly available official sources. Sensitivity analyses explored the impact of changes in input data.RESULTS: Over a patient's lifetime, empagliflozin was predicted to result in longer mean survival (14.01 LY vs. 11.87 LY with SoC) and reduced rate of clinical events accumulating 7.75 QALYs versus 6.83 QALYs on SoC alone at additional costs of €4235. The generated ICER of empagliflozin was €4633 per QALY gained. One-way sensitivity analysis confirmed empagliflozin's cost-effective profile. At the defined willingness-to-pay threshold of €34,000 per QALY gained, probabilistic sensitivity analysis showed that empagliflozin was estimated to have a 100% probability of being cost-effective relative to SoC.CONCLUSIONS: Empagliflozin added to SoC was estimated to be a highly cost-effective treatment option for the treatment of T2DM in adults with increased CV disease risk in Greece.

DOI10.1007/s40261-018-0620-x
Alternate JournalClin Drug Investig
PubMed ID29349708

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