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Health Economic Analysis of Antiplatelet Therapy for Acute Coronary Syndromes in the Context of Five Eastern Asian Countries.
Clinical Drug Investigation 2018 July
BACKGROUND AND OBJECTIVE: The economic outcomes of dual antiplatelet therapy in East Asian patients are still unclear. We aimed to evaluate the economic outcomes of ticagrelor versus clopidogrel for patients with acute coronary syndrome (ACS) in China, Japan, Korea, Taiwan and Hong Kong.
METHODS: A two-phase model consisting of a 1-year decision tree and a lifetime Markov model was used to estimate the economic outcomes. The data from the East Asian subgroup of Platelet Inhibition and Patient Outcomes (PLATO) and PHILO studies were used for the calculation of the events rate for ticagrelor and clopidogrel in the first 12 months, whereas the costs were obtained from East Asian sources and utility from the published literature. Sensitivity analyses were conducted to test model robustness.
RESULTS: Ticagrelor showed the marginal lifetime quality-adjusted life-year (QALY) of 0.0050, 0.0091, 0.0107, 0.0050, and 0.0050 in China, Japan, Korea, Taiwan, and Hong Kong compared with clopidogrel, with marginal healthcare costs of (all values in US dollars) $562, $595, $975, $611, and $672, respectively. The marginal cost per QALY gained with ticagrelor was $112,051, $65,692, $91,207, $121,838, and $133,953 from a public healthcare system perspective of China, Japan, Korea, Taiwan, and Hong Kong, respectively. The sensitivity analysis showed consistent results.
CONCLUSION: Treatment of ACS for 12 months with ticagrelor is not a cost-effective option for the prevention of thrombotic events in East Asia.
METHODS: A two-phase model consisting of a 1-year decision tree and a lifetime Markov model was used to estimate the economic outcomes. The data from the East Asian subgroup of Platelet Inhibition and Patient Outcomes (PLATO) and PHILO studies were used for the calculation of the events rate for ticagrelor and clopidogrel in the first 12 months, whereas the costs were obtained from East Asian sources and utility from the published literature. Sensitivity analyses were conducted to test model robustness.
RESULTS: Ticagrelor showed the marginal lifetime quality-adjusted life-year (QALY) of 0.0050, 0.0091, 0.0107, 0.0050, and 0.0050 in China, Japan, Korea, Taiwan, and Hong Kong compared with clopidogrel, with marginal healthcare costs of (all values in US dollars) $562, $595, $975, $611, and $672, respectively. The marginal cost per QALY gained with ticagrelor was $112,051, $65,692, $91,207, $121,838, and $133,953 from a public healthcare system perspective of China, Japan, Korea, Taiwan, and Hong Kong, respectively. The sensitivity analysis showed consistent results.
CONCLUSION: Treatment of ACS for 12 months with ticagrelor is not a cost-effective option for the prevention of thrombotic events in East Asia.
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