Cost Effectiveness of a CYP2C19 Genotype-Guided Strategy in Patients with Acute Myocardial Infarction: Results from the POPular Genetics Trial

D.M.F. Claassens, P.W.M. van Dorst, G.J.A. Vos, T.O. Bergmeijer, R.S. Hermanides, A.W.J.V. Hof, P. van der Harst, E. Barbato, C. Morisco, R.M.T.J. Gin, F.W. Asselbergs, A. Mosterd, J.P.R. Herrman, W.J.M. Dewilde, M.J. Postma, V.H.M. Deneer, J.M. ten Berg*, C. Boersma

*Corresponding author for this work

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Introduction The POPular Genetics trial demonstrated that a CYP2C19 genotype-guided P2Y(12) inhibitor strategy reduced bleeding rates compared with standard treatment with ticagrelor or prasugrel without increasing thrombotic event rates after primary percutaneous coronary intervention (PCI). Objective In this analysis, we aimed to evaluate the cost effectiveness of a genotype-guided strategy compared with standard treatment with ticagrelor or prasugrel. Methods A 1-year decision tree based on the POPular Genetics trial in combination with a lifelong Markov model was developed to compare costs and quality-adjusted life-years (QALYs) between a genotype-guided and a standard P2Y(12) inhibitor strategy in patients with myocardial infarction undergoing primary PCI. The cost-effectiveness analysis was conducted from a Dutch healthcare system perspective. Within-trial survival and utility data were combined with lifetime projections to evaluate lifetime cost effectiveness for a cohort of 1000 patients. Costs and utilities were discounted at 4 and 1.5%, respectively, according to Dutch guidelines for health economic studies. Besides deterministic and probabilistic sensitivity analyses, several scenario analyses were also conducted (different time horizons, different discount rates, equal prices for P2Y(12) inhibitors, and equal distribution of thrombotic events between the two strategies). Results Base-case analysis with a hypothetical cohort of 1000 subjects demonstrated 8.98 QALYs gained and euro725,550.69 in cost savings for the genotype-guided strategy (dominant). The deterministic and probabilistic sensitivity analysis confirmed the robustness of the model and the cost-effectiveness results. In scenario analyses, the genotype-guided strategy remained dominant. Conclusion In patients undergoing primary PCI, a CYP2C19 genotype-guided strategy compared with standard treatment with ticagrelor or prasugrel resulted in QALYs gained and cost savings.
Original languageEnglish
Pages (from-to)195-206
Number of pages12
JournalAmerican Journal of Cardiovascular Drugs
Issue number2
Early online date7 Sep 2021
Publication statusPublished - Mar 2022



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