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The cost-effectiveness of losartan versus captopril in patients with symptomatic heart failure
E J Dasbach1, M W Rich, R Segal
1Merck & Co., Blue Bell, PA 19422, USA.
Insights
Losartan improved survival and tolerability in heart failure patients compared to captopril. This economic evaluation found losartan to be cost-effective, offering a favorable cost per year of life gained.
Area of Science:
- Cardiology
- Pharmacoeconomics
Background:
- Symptomatic heart failure (HF) with reduced ejection fraction (HFrEF) requires effective treatment.
- Angiotensin-converting enzyme (ACE) inhibitors are standard HF therapy.
- Losartan, an angiotensin II receptor blocker (ARB), offers an alternative for ACE inhibitor-naive patients.
Purpose of the Study:
- To conduct an economic evaluation of losartan versus captopril in patients with symptomatic heart failure.
- To assess the cost-effectiveness of losartan based on the ELITE Study data.
Main Methods:
- Economic evaluation using data from the Losartan Heart Failure ELITE Study.
- Cost-effectiveness analysis estimating lifetime benefits and costs.
- Comparison of losartan and captopril in ACE inhibitor-naive patients aged >/=65 years with symptomatic HF.
Main Results:
- No significant differences in hospitalizations, hospital days, or ER visits between losartan and captopril.
- Losartan was estimated to cost USD 54 less per patient than captopril over the trial period.
- Losartan increased projected lifetime survival by 0.20 years at an additional discounted cost of USD 769 per patient.
Conclusions:
- Losartan demonstrated improved survival and tolerability compared to captopril in symptomatic heart failure patients.
- The cost-effectiveness ratio for losartan was USD 4,047 per year of life gained.
- Losartan represents a cost-effective treatment option for heart failure.
Abstract:
The Losartan Heart Failure ELITE Study recently found that in patients with symptomatic heart failure and a left ventricular ejection fraction of =0.40, losartan compared to captopril improved survival with better tolerability. The objective of this study was to perform an economic evaluation of losartan versus captopril based on the results of the Losartan Heart Failure ELITE Study. The Losartan Heart Failure ELITE Study was a multinational, double-blind, randomized 48-week study comparing the safety and efficacy of losartan to captopril in angiotensin-converting enzyme-inhibitor-naive patients >/=65 years with symptomatic heart failure. Data on health care resource utilization were collected as part of the trial. We conducted a cost-effectiveness analysis to estimate the lifetime benefits of treatment and the associated costs. We observed no differences between treatments in the number of hospitalizations, hospital days, and emergency room visits per patient over the trial period. We estimated the total cost of losartan to be USD 54 (95% CI: USD -1,717, USD 1,755) less per patient than captopril over this time frame. We also estimated that over the projected remaining lifetime of the study population, losartan compared to captopril would increase survival by 0.20 years (undiscounted) at an average cost of USD 769 (discounted) more per patient. This cost increase translated into a cost-effectiveness ratio of USD 4,047 per year of life gained for losartan relative to captopril. In patients with symptomatic heart failure, losartan compared to captopril increased survival with better tolerability at a cost well within the range accepted as cost-effective.
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