Abstract
Background
Utilization of hepatitis B virus (HBV)-infected donors represents an opportunity to expand the liver transplantation (LT) donor pool. However, benefits of accepting HBV-positive donors for HBV-negative candidates, potentially expanding the donor pool resulting in earlier transplantation, must be balanced with costs of lifelong antiviral therapy. The aim of this study was to evaluate cost-effectiveness of this strategy.
Methods
We developed a Markov model with two strategies, transplant with (1) a HBV-positive donor versus and (2) a HBV-negative donor for a HBV-negative LT candidate. A healthcare system perspective was utilized, effectiveness measured in quality-adjusted life-years, and costs in 2018 USD.
Results
In the base-case, the HBV-positive donor strategy is more effective (gain of 0.46 QALYs), but $26,159 more expensive, yielding an incremental cost-effectiveness ratio (ICER) of $57,389/QALY. However, increasing the candidate’s Model for End-Stage Liver Disease score resulted in increasing cost-effectiveness, ICER of $69,507/QALY (MELD 6–10) to $47,385/QALY (MELD > 30). Results were most sensitive to antiviral cost and cost after first year of LT. In probabilistic sensitivity analysis, the HBV-positive strategy was always more effective but more expensive, with average ICER of $64,883/QALY. This strategy was highly cost-effective (ICER < $50,000/QALY) 21% of the time and cost < $100/000/QALY 94% of the time.
Conclusions
Consideration of these donors must be individualized to each candidate’s severity of liver disease, associated costs, and personal preferences that impact quality of life. Expansion of the donor pool to include HBV-positive donors for appropriate recipients may be a cost-effective policy and may provide significant benefit for individual patients.
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Funding for this study was provided by the University of Cincinnati Department of Surgery.
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TCL, MHE, and SAS: Substantial contributions to the conception or design of the work; acquisition, analysis, or interpretation of the data for the work; drafting the work or revising it critically for important intellectual content; final approval of the version to be published; agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
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Lee, T.C., Eckman, M.H. & Shah, S.A. Cost-Effectiveness of Utilization of Hepatitis B Virus-Positive Liver Donors for HBV-Negative Transplant Recipients. J Gastrointest Surg 25, 1760–1769 (2021). https://doi.org/10.1007/s11605-020-04759-4
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DOI: https://doi.org/10.1007/s11605-020-04759-4