Objectives: Clinical trial data indicate that posaconazole is superior to fluconazole (FLU) or itraconazole (ITRA) in preventing invasive fungal infections (IFIs) among neutropenic patients. Our objective was to assess the cost-effectiveness of posaconazole versus FLU or ITRA for prevention of IFIs among neutropenic patients. Methods: We used modeling techniques to assess the cost-effectiveness of posaconazole versus FLU or ITRA in the prevention of IFIs among patients with acute myelogenous leukemia (AML) or myelodysplastic syndromes (MDS) and chemotherapy-induced neutropenia. The probabilities of experiencing an IFI, IFI-related death, and death from other causes over 100 days of follow-up were estimated from clinical trial data. Long-term mortality, drug costs, and IFI treatment costs were obtained from secondary sources. Results: Posaconazole is associated with fewer IFIs per patient (0.05 vs. 0.11) relative to FLU or ITRA over 100 days of follow-up, and lower discounted costs ($3900 vs. $4500) and increased life-years (2.50 vs. 2.43 discounted) over a lifetime horizon. Results from a probabilistic sensitivity analysis indicate that there is a 73% probability that posaconazole is cost saving versus FLU or ITRA and a 96% probability that the incremental cost-effectiveness ratio for posaconazole is at or below $50,000 per life-year saved. Conclusions: We conclude that posaconazole is very likely to be a cost-effective alternative to FLU or ITRA in the prevention of IFIs among neutropenic patients with AML and MDS, and may result in cost savings. © 2008, International Society for Pharmacoeconomics and Outcomes Research (ISPOR).
CITATION STYLE
O’Sullivan, A. K., Pandya, A., Papadopoulos, G., Thompson, D., Langston, A., Perfect, J., & Weinstein, M. C. (2009). Cost-effectiveness of posaconazole versus fluconazole or itraconazole in the prevention of invasive fungal infections among neutropenic patients in the united states. Value in Health, 12(5), 666–673. https://doi.org/10.1111/j.1524-4733.2008.00486.x
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