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Cost effectiveness of bisphosphonates in the management of breast cancer patients with bone metastases
Background
Bisphosphonates are recommended to prevent skeletal related events (SREs) in patients with breast cancer and bone metastases (BCBM). However, their clinical and economic profiles vary from one agent to the other.
Methods
Using modeling techniques, we simulated from the perspective of the UK’s National Health Service (NHS) the cost and quality adjusted survival (QALY) associated with five commonly-used bisphosphonates or no therapy in this patient population. The simulation followed patients into several health states (i.e. alive or dead, experiencing an SRE or no SRE, and receiving first or second line therapy). Drugs costs, infusion costs, SREs costs, and utility values were estimated from published sources. Utilities were applied to time with and without SREs to capture the impact on quality of life.
Results
Compared to no therapy, all bisphosphonates are either cost saving or highly cost-effective (with a cost per QALY < or = 6126 pounds sterlings). Within this evaluation, zoledronic acid was more effective and less expensive than all other options.
Conclusion
Based on our model, the use of bisphosphonates in breast cancer patients with bone metastases should lead to improved patient outcomes and cost savings to the NHS and possibly other similar entities.
Authors
M Botteman, V Barghout, J Stephens, J Hay, J Brandman, M Aapro
Journal
Annals of Oncology
Therapeutic Area
Oncology
Center of Excellence
Health Economic Modeling & Meta-analysis
Year
2010
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