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Background To evaluate the cost-effectiveness of Tislelizumab vs Sorafenib as the first-line treatment of unresectable hepatocellular carcinoma (HCC) from the perspective of the Chinese health service system. Methods A lifetime partitioned survival model (PSM) was developed to cost-effectively analyze Tislelizumab vs Sorafenib as the first-line treatment of unresectable HCC. The clinical and safety data were derived from a recently randomized clinical trial (RATIONALE-301). Utilities were collected from the published literature. Costs were obtained from an open-access database (http: //www. yaozh. com) and previous studies. The model cycle was 21 days, according to the RATIONALE-301 study, and the simulation period was patients’ lifetime. Long-term direct medical costs and quality-adjusted life-years (QALYs) were determined. The incremental cost-effectiveness ratio (ICER) was used as the evaluation index. one-way sensitivity analysis (OSWA) and probabilistic sensitivity analysis (PSA) were used to analyze the uncertainty of parameters and to adjust and verify the stability of the baseline results. Results The Tislelizumab group generated a cost of 39, 746. 34 and brought health benefits to 2. 146 QALYs, while the cost and utility of the Sorafenib group were 26750. 95 and 1. 578 QALYs, respectively. The Tislelizumab group increased QALYs by 0. 568, the incremental cost was 12995. 39, and the ICER was 22869. 64/QALY, lower than the willingness to pay threshold (WTP). OSWA results showed that the utility of progressed disease (PD), cost of Camrelizumab, and cost of Tislelizumab were the main factors affecting the ICER. PSA results showed that, within 1000 times the Monte Carlo simulation, the cost of the Tislelizumab group was lower than three times the per capita gross domestic product (GDP) of China (37653/QALY). The cost-effectiveness acceptability curves (CEAC) revealed that when WTP was no less than 12251. 00, the Tislelizumab group was the dominant scheme, and the economic advantage grew with an increasing WTP. When WTP ≥ 19000. 00, the Tislelizumab group became the absolute economic advantage. Conclusion Under the current economic conditions in China, the Tislelizumab therapeutic scheme is more cost-effective than the Sorafenib therapeutic scheme for treating patients with unresectable HCC.
Chen et al. (Mon,) studied this question.