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Keywords:

  • HER2-positive breast cancer;
  • model-based economic evaluation;
  • transferability;
  • trastuzumab

ABSTRACT

Introduction:  Geographic transferability of model-based cost–effectiveness results may facilitate and shorten the reimbursement process of new pharmaceuticals. This study provides a real world example of transferring a cost–effectiveness study of trastuzumab for the adjuvant treatment of HER2-positive early breast cancer from the United Kingdom to The Netherlands.

Methods:  Three successive steps were taken. Step 1: Collect available information with regard to the original model, and assess transferability using existing checklists. Step 2: Adapt transferability-limiting factors. Step 3: Obtain a country-specific estimate of cost–effectiveness.

Results:  The structure of the UK model was transferable, although some of the model inputs needed adaptation. From a health-care perspective, the Dutch estimate amounted to €5828/quality-adjusted life-year gained. From a societal perspective, the incremental cost–effectiveness ratio was dominant.

Conclusion:  Transferability of a model-based UK-study in three steps proved to be an efficient method to provide an early indication of the cost–effectiveness of trastuzumab and has led to the provisional reimbursement of the treatment.