Journal
CLINICOECONOMICS AND OUTCOMES RESEARCH
Volume 12, Issue -, Pages 253-264Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/CEOR.S241880
Keywords
ALL; cost-effectiveness; tisagenlecleucel; acute lymphoblastic leukaemia; Spain; CAR-T
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Purpose: Tisagenlecleucel, a chimeric antigen receptor T-cell (CAR-T) therapy, is a promising alternative for the management of children and young adults with relapsed and refractory B-cell acute lymphoblastic leukemia (r/r ALL). The aim of this study was to determine whether treatment with tisagenlecleucel is a cost-effective intervention compared with salvage chemotherapy in paediatric and young adult patients with r/r ALL in Spain. Materials and Methods: A partitioned survival model of monthly cycles with three health states was used (event-free survival, progressive/relapsed disease and death). A lifetime time horizon and the Spanish National Health System perspective were adopted. During the first 5 years, permanence in the different health states was determined according to the results in the clinical studies. In successive years, mortality tables of the Spanish general population adjusted by standardized mortality rate for survivors of childhood cancer were used. Clinical, economic, and quality of life parameters were drawn from clinical trials and the literature. Only direct health costs (pharmacological costs and the costs derived from health resource use) were included. The robustness of the results was evaluated in a sensitivity analysis. Results: This cost-effectiveness analysis showed a greater benefit (10.10 and 8.97 life-years gained [LYGs] and quality-adjusted life-years [QALYs] gained, respectively) and a higher cost ((sic) 258,378.40) for tisagenlecleucel compared to salvage chemotherapy. The resulting incremental cost-effectiveness and cost-utility ratios were (sic) 25,576.80 per LYG and (sic) 28,818.52 per QALYgained, respectively. In the sensitivity analysis, all the results were below (sic) 50,000/QALY. Conclusion: Tisagenlecleucel would represent a cost-effective intervention for the treatment of children and young adults with r/r ALL in Spain.
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