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Open Access Highly Accessed Research article

Choice of generic antihypertensive drugs for the primary prevention of cardiovascular disease - A cost-effectiveness analysis

Torbjørn Wisløff12*, Randi M Selmer3, Sigrun Halvorsen4, Atle Fretheim12, Ole F Norheim5 and Ivar Sønbø Kristiansen1

  • * Corresponding author: Torbjørn Wisløff tow@nokc.no

Author Affiliations

1 Institute of Health and Society, University of Oslo, Oslo, Norway

2 Norwegian Knowledge Centre for the Health Services, Oslo, Norway

3 Norwegian Institute of Public Health, Oslo, Norway

4 Department of Cardiology, Oslo University Hospital, Oslo, Norway

5 University of Bergen, Bergen, Norway

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BMC Cardiovascular Disorders 2012, 12:26  doi:10.1186/1471-2261-12-26

Published: 4 April 2012

Abstract

Background

Hypertension is one of the leading causes of cardiovascular disease (CVD). A range of antihypertensive drugs exists, and their prices vary widely mainly due to patent rights. The objective of this study was to explore the cost-effectiveness of different generic antihypertensive drugs as first, second and third choice for primary prevention of cardiovascular disease.

Methods

We used the Norwegian Cardiovascular Disease model (NorCaD) to simulate the cardiovascular life of patients from hypertension without symptoms until they were all dead or 100 years old. The risk of CVD events and costs were based on recent Norwegian sources.

Results

In single-drug treatment, all antihypertensives are cost-effective compared to no drug treatment. In the base-case analysis, the first, second and third choice of antihypertensive were calcium channel blocker, thiazide and angiotensin-converting enzyme inhibitor. However the sensitivity and scenario analyses indicated considerable uncertainty in that angiotensin receptor blockers as well as, angiotensin-converting enzyme inhibitors, beta blockers and thiazides could be the most cost-effective antihypertensive drugs.

Conclusions

Generic antihypertensives are cost-effective in a wide range of risk groups. There is considerable uncertainty, however, regarding which drug is the most cost-effective.