English, Article edition: Long-Term Clopidogrel Therapy in Patients Receiving Percutaneous Coronary Intervention Bart M.S. Heeg; Ron J.G. Peters; Marc Botteman; ...

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Physical Description
  • article
Language
  • English

Edition details

Title
  • Long-Term Clopidogrel Therapy in Patients Receiving Percutaneous Coronary Intervention
Author
  • Bart M.S. Heeg
  • Ron J.G. Peters
  • Marc Botteman
  • Ben A. van Hout
Physical Description
  • article
Notes
  • Background: The PCI-CURE (Percutaneous Coronary Intervention-Clopidogrel in Unstable Angina to Prevent Recurrent Events) and CREDO (Clopidogrel for the Reduction of Events During Observation) studies have demonstrated that, in addition to aspirin, pre-treatment with clopidogrel followed by long-term (i.e. 9-12 months) therapy significantly reduces the risk of atherothrombotic events in patients undergoing percutaneous coronary intervention (PCI). Objective: To examine the economic implications, from the Dutch healthcare perspective, of the use of clopidogrel in patients undergoing PCI (elective procedures or in patients with acute coronary syndrome), comparing pre-treatment followed by long-term therapy with only 4 weeks of treatment. Methods: A lifetime Markov model was used to combine data from the PCI-CURE and CREDO trials with data from the literature concerning epidemiology, costs and quality of life. The model was run separately for each trial. Only direct healthcare costs (_, year 2004 values) were considered. Costs and outcomes were discounted at 4% per anum. For each trial, the cost effectiveness is expressed as costs per life-year and QALY gained. Uncertainties are addressed by uni- and probabilistic multivariate sensitivity analysis. Results: When starting with the data from the PCI-CURE trial, pre-treatment plus 9-month clopidogrel therapy was predicted to save _1119 and gain 0.03 life-years and 0.07 QALYs per patient compared with short-term treatment. When starting with the data from the CREDO trial, the combination of pre-treatment and prolonged clopidogrel therapy (1 year) was estimated to save _497 and gain 0.10 life-years and 0.14 QALYs per patient. Univariate and probabilistic multivariate sensitivity analyses suggested that the conclusions were generally robust, but that the expected gain in survival for the PCI-CURE population was very sensitive to the effects on mortality within the combined endpoint of myocardial infarction/​stroke-free survival. Conclusions: In The Netherlands, pre-treatment plus long-term (9-12 months) therapy with clopidogrel is estimated to save costs and increase (quality-adjusted) survival in the prevention of ischaemic events among patients undergoing elective PCI (CREDO) and in patients with acute coronary syndrome (PCI-CURE) compared with short-term treatment with clopidogrel without pre-treatment.
  • Cardiovascular-disorders, Cardiovascular-disorders, Clopidogrel, Cost-utility
  • RePEc:wkh:phecon:v:25:y:2007:i:9:p:769-782
Language
  • English
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