Switch strategies in the management of hypertension: a cost minimisation analysis of angiotensin receptor blocker based regimen

Current Medical Research and Opinion
J D Belsey

Abstract

Budgetary pressures within health care systems have led many health care providers to consider the switching of patients on long term anti hypertensive medication to agents with the lowest acquisition price. The long term success of this strategy hinges on price differentials remaining stable, an assumption that may not be valid in drug classes where patent expiry times vary. The treatment of hypertension using angiotensin receptor blockers (ARBs) represents just such a case. The present study, therefore, modelled the 5-year cost consequences of treatment based on losartan, candesartan, valsartan and irbesartan, based on expected patent expiry dates. A Markov model was constructed, applying dose-specific blood-pressure lowering and costs to a cohort of uncontrolled mild-moderate hypertensive patients and assessing the anticipated cost of treatment over a 5 year period. A probabilistic approach was adopted to account for between-patient and between-treatment differences. For both undiscounted and discounted models, a losartan-based regimen represents the least costly option of the four agents tested. Median (IQR) discounted expenditure per patient for each agent was: losartan: pound 506 ( pound 441- pound 650), candesartan: poun...Continue Reading

References

May 23, 2000·American Journal of Hypertension·P R ConlinA M Bunt
Jun 20, 2001·Pharmacy World & Science : PWS·H EnlundM Korhonen
Feb 24, 2005·American Journal of Cardiovascular Drugs : Drugs, Devices, and Other Interventions·Jean-Philippe BaguetPascal Auquier
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Jan 19, 2007·International Journal of Clinical Practice·James C Moon, Richard G Bogle
Jan 19, 2007·International Journal of Clinical Practice·Rubin Minhas

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Citations

Aug 19, 2010·British Journal of Clinical Pharmacology·Atholl JohnstonGeorge S Stergiou

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