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Cost-effectiveness analysis of FET PET-guided target selection for the diagnosis of gliomas

  • Alexander Heinzel
  • Stephanie Stock
  • Karl-Josef Langen
  • Dirk Müller
Original Article

Abstract

Purpose

Several diagnostic trials have indicated that the combined use of 18F-fluoroethyl-l-tyrosine (FET) PET and MRI may be superior to MRI alone in selecting the biopsy site for the diagnosis of gliomas. We estimated the cost-effectiveness of the use of amino acid PET compared to MRI alone from the perspective of the German statutory health insurance.

Methods

To evaluate the incremental cost-effectiveness of the use of amino acid PET, a decision tree model was built. The effectiveness of FET PET was determined by the probability of a correct diagnosis. Costs were estimated for a baseline scenario and for a more expensive scenario in which disease severity was considered. The robustness of the results was tested using deterministic and probabilistic sensitivity analyses.

Results

The combined use of PET and MRI resulted in an increase of 18.5% in the likelihood of a correct diagnosis. The incremental cost-effectiveness ratio for one additional correct diagnosis using FET PET was €6,405 for the baseline scenario and €9,114 for the scenario based on higher disease severity. The probabilistic sensitivity analysis confirmed the robustness of the results.

Conclusion

The model indicates that the use of amino acid PET may be cost-effective in patients with glioma. As a result of several limitations in the data used for the model, further studies are needed to confirm the results.

Keywords

Amino acid PET Cost-effectiveness analysis Biopsy Gliomas Decision tree model 

Notes

Conflicts of interest

None.

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • Alexander Heinzel
    • 1
  • Stephanie Stock
    • 2
  • Karl-Josef Langen
    • 3
  • Dirk Müller
    • 2
  1. 1.Department of Nuclear Medicine of the Heinrich-Heine University of DuesseldorfResearch Centre JuelichJuelichGermany
  2. 2.Institute for Health Economics and Clinical EpidemiologyUniversity Hospital of CologneCologneGermany
  3. 3.Institute for Neuroscience and Medicine 4Research Centre JuelichJuelichGermany

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