XING Yue,LIU Tong,TENG Xue,et al.Pharmacoeconomic evaluation of trastuzumab biosimilars versus original drug in the treatment of recurrent/metastatic HER-2 positive breast cancer[J].ZHONGGUO YAOFANG,2024,35(09):1113-1117.
XING Yue,LIU Tong,TENG Xue,et al.Pharmacoeconomic evaluation of trastuzumab biosimilars versus original drug in the treatment of recurrent/metastatic HER-2 positive breast cancer[J].ZHONGGUO YAOFANG,2024,35(09):1113-1117. DOI: 10.6039/j.issn.1001-0408.2024.09.15.
Pharmacoeconomic evaluation of trastuzumab biosimilars versus original drug in the treatment of recurrent/metastatic HER-2 positive breast cancer
To evaluate the cost-effectiveness of trastuzumab biosimilars (Hanquyou) versus original drug (Hesaiting) in the treatment of recurrent/metastatic human epidermal growth factor receptor-2 (HER-2) positive breast cancer.
METHODS
2
A partitional survival model was constructed based on the NCT03084237 trial data. The simulation period was 3 weeks, and the simulation time was 10 years. Using costs and quality-adjusted life year (QALY) as the output indicator, the cost-utility analysis method was used to evaluate the cost-effectiveness of the two schemes mentioned above. Univariate and probabilistic sensitivity analyses were performed to verify the robustness of the basic analysis.
RESULTS
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The costs of the trastuzumab biosimilars group and original drug group were 111 516.72 yuan and 111 122.30 yuan respectively, with health utility values of 1.52 QALYs and 1.36 QALYs, and ICER of 2 465.12 yuan/QALY, which were less than 3 times China’s per capita gross domestic product (GDP) in 2023 as the threshold for willingness-to-pay (WTP) (268 200 yuan/QALY). Univariate sensitivity analysis showed that the cost of the trastuzumab biosimilars and original drug had a great impact on the ICER. The probabilistic sensitivity analysis showed that the probability of trastuzumab biosimilars being cost-effective was 100% at WTP threshold of 14 902 yuan/QALY.
CONCLUSIONS
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When WTP threshold is 3 times China’s GDP in 2023 (268 200 yuan/QALY), compared with original drug, trastuzumab biosimilars have good cost-effectiveness in the treatment of recurrent/metastatic HER-2 positive breast cancer.
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references
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