Cost-effectiveness of sacubitril/valsartan in chronic heart-failure patients with reduced ejection fraction

Zanfina Ademi1, Alena M Pfeil2, Elizabeth Hancock3

  • 1Institute of Pharmaceutical Medicine (ECPM), University of Basel, Switzerland, and Monash Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia.

Swiss Medical Weekly
|November 30, 2017
PubMed

Insights

Sacubitril/valsartan is a cost-effective treatment for heart failure with reduced ejection fraction (HFrEF) compared to ACE inhibitors. This therapy reduces hospitalizations and improves survival, offering value within the Swiss healthcare system.

Area of Science:

  • Pharmacoeconomics
  • Cardiovascular Medicine
  • Health Technology Assessment

Background:

  • Chronic heart failure with reduced ejection fraction (HFrEF) poses a significant burden on healthcare systems.
  • Angiotensin-converting enzyme inhibitors (ACEIs) are a standard treatment, but novel therapies are being evaluated for improved outcomes and cost-effectiveness.
  • Assessing the economic value of new treatments is crucial for healthcare resource allocation.

Purpose of the Study:

  • To evaluate the cost-effectiveness of sacubitril/valsartan compared to ACEIs (specifically enalapril) for HFrEF patients in Switzerland.
  • To determine the incremental cost-effectiveness ratio (ICER) of sacubitril/valsartan from a healthcare system perspective.
  • To analyze the impact on hospitalizations, survival, and quality-adjusted life years (QALYs).

Main Methods:

  • A lifelong regression-based cohort model was developed, utilizing data from the PARADIGM-HF trial.
  • The model compared sacubitril/valsartan with enalapril for patients with HFrEF (NYHA Class II-IV).
  • Costs and QALYs were discounted at 3%, with sensitivity analyses performed to assess robustness.

Main Results:

  • Sacubitril/valsartan demonstrated a 6.0% absolute reduction in annual hospitalizations and an 8.0% decrease in lifetime hospital costs.
  • The treatment is predicted to increase overall survival by 0.50 years and QALYs by 0.42.
  • The base-case ICER was CHF 25,684 per QALY gained, with a 99.0% probability of cost-effectiveness at a threshold of CHF 50,000.

Conclusions:

  • Sacubitril/valsartan is a cost-effective treatment option for HFrEF patients in Switzerland when compared to enalapril.
  • The therapy provides significant clinical benefits, including reduced hospitalizations and improved survival, at an acceptable cost per QALY.
  • These findings support the adoption of sacubitril/valsartan within the Swiss healthcare system for eligible HFrEF patients.
Abstract

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