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|Title: ||Assessing the real-world cost-effectiveness of adjuvant trastuzumab in HER-2/neu positive breast cancer.|
|Affiliation: ||Canadian Centre for Applied Research in Cancer Control, Vancouver, BC, V5Z 1L3 Canada.|
|Citation: ||Assessing the real-world cost-effectiveness of adjuvant trastuzumab in HER-2/neu positive breast cancer. 2012, 17 (2):164-71 Oncologist|
|Journal: ||The oncologist|
|Issue Date: ||2012 |
|PubMed ID: ||22302231|
|Abstract: ||Among women with surgically removed, high-risk HER-2/neu-positive breast cancer, trastuzumab has demonstrated significant improvements in disease-free and overall survival. The objective of this study is to evaluate the cost-effectiveness of the currently recommended 12-month adjuvant protocol of trastuzumab using a Markov modeling approach and real-world cost data.|
A 10-health-state Markov model tracked patients' quarterly transitions between health states in the local and advanced states of breast cancer. Clinical data were obtained from the joint analysis of the National Surgical Adjuvant Breast and Bowel Project and North Central Cancer Treatment Group, as well as from the metastatic study conducted by Norum et al. Clinical outcomes were adjusted for quality of life using utility estimates published in a systematic review. Real cost data were obtained from the British Columbia Cancer Agency and were evaluated from a payer perspective. Costs and utilities were discounted at 5% per year, respectively, for a 28-year time horizon.
In the base case analysis, treatment with a 12-month adjuvant trastuzumab regimen resulted in a gain of 1.38 quality-adjusted life years or 1.17 life years gained at a cost of $18,133 per patient. Thus, the cost per QALY gained for the base case is $13,095. Cost per LYG is $15,492.
Over the long term, treatment of HER-2/neu mutation positive breast cancer with a 12-month protocol of trastuzumab in the adjuvant setting is predicted to be cost-effective in a Canadian context.
|Appears in Collections: ||NCCP & Cancer Screening Service|
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