Journal
JOURNAL OF THE NATIONAL COMPREHENSIVE CANCER NETWORK
Volume 19, Issue 10, Pages 1141-+Publisher
HARBORSIDE PRESS
DOI: 10.6004/jnccn.2020.7796
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Funding
- Hunan Natural Science Foundation of China [2018JJ3852]
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The use of Durvalumab in combination with chemotherapy is not cost-effective in the treatment of patients with extensive-stage small cell lung cancer, based on data from the CASPIAN trial and a Markov model analysis.
Background: In the CASPIAN trial, durvalumab + chemotherapy demonstrated significant improvements in overall survival compared with chemotherapy alone in patients with extensive-stage small cell lung cancer (SCLC). We aimed to assess the cost-effectiveness of durvalumab in patients with extensive-stage SCLC from the US healthcare system perspective. Patients and Methods: A comprehensive Markov model was adapted to evaluate cost and effectiveness of durvalumab combination versus platinum/etoposide alone in the first-line therapy of extensive-stage SCLC based on data from the CASPIAN study. The main endpoints included total costs, life years (LYs), quality-adjusted life-years (QALYs), and incremental coste-ectiveness ratios (ICERs). Model robustness was assessed with sensitivity analysis, and additional subgroup analyses were also performed. Results: Durvalumab + chemotherapy therapy resulted in an additional 0.27 LYs and 0.20 QALYs, resulting in an ICER of $464,711.90 per QALY versus the chemotherapy treatment. The cost of durvalumab has the greatest influence on this model. Subgroup analyses showed that the ICER remained higher than $150,000/ QALY (the willingness-to-pay threshold in the United States) across all patient subgroups. Conclusions: Durvalumab in combination with platinum/etoposide is not a cost-effective option in the first-line treatment of patients with extensive-stage SCLC.
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