Objectives: The high cardiovascular disease burden globally and in Australia necessitates attention on statin expenditure, the primary pharmacological intervention for cardiovascular disease risk factors. The Pharmaceutical Benefits Scheme (PBS) subsidies approved statins for Australians. Managing PBS government expenditure occurs through price control strategies of statutory price decreases upon first generic entry and price disclosure. This study investigates the impact price control measures had on statin price evolution and government expenditure between 2010 and 2022.
Methods: Prescription and pricing data were obtained from Services Australia Medicare Statistics, and price reduction strategies from the PBS. Summary statistics compared and described statin price, prescription, number of brands, market share, and government expenditure to atorvastatin, fluvastatin, pravastatin, rosuvastatin, and simvastatin price control timelines.
Results: Statin prices exposed to price control measures decreased irrespective of dosage and correlated with reductions in government expenditure, with a comparison of 2010 and 2022 showing annual statin expenditure declined by AU$833.5 million (83.25%) whereas prescriptions reduced by 3.0 million (15.7%). Effects of price disclosure on atorvastatin and rosuvastatin market share suggest industry-prompted price reductions may arise from market share loss, whereas reasons external to pricing prompted rosuvastatin to gain market share.
Conclusions: Limited publications on contemporary effects of statin price control measures exist. This investigation found these measures reduced government expenditure for statins by AU$949.1 million, with the price reduction correlating with price control measures. In addition to affirming price control mechanisms remain effective in contemporary times, this investigation provides data for key insights into the Australian statin industry.
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| http://dx.doi.org/10.1016/j.vhri.2023.10.004 | DOI Listing |
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