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Updated: May 7, 2026

Operant Protocols for Assessing the Cost-benefit Analysis During Reinforced Decision Making by Rodents
Published on: September 10, 2018
The cloudy crystal ball of cost-effectiveness studies
Gerardus W J Frederix1, Johan L Severens, Anke M Hövels
1Science Faculty, Department of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands.
Cost-effectiveness analyses for breast cancer treatments show wide outcome variations. Standardizing economic evaluation methods is crucial for reliable results from identical clinical trial data.
Area of Science:
- Health Economics
- Oncology
- Pharmacoeconomics
Background:
- Identical clinical trial data from adjuvant breast cancer treatment studies were used.
- Eleven published cost-effectiveness analyses (CEAs) were examined.
Purpose of the Study:
- To investigate the variability in outcomes of CEAs using the same breast cancer trial data.
- To highlight the need for standardized disease-specific modeling in economic evaluations.
Main Methods:
- Analysis of 11 published cost-effectiveness analyses.
- Comparison of methods used for handling identical clinical trial data.
- Examination of the variation in predicted life-years gained.
Main Results:
- Outcomes of the CEAs varied more than 20-fold.
- Substantially different methodologies were employed by authors using the same data.
- Significant discrepancies were observed in predicted life-years gained.
Conclusions:
- The lack of standardized methods in economic evaluations leads to highly variable results.
- There is a critical need for improved guidance and standardization in disease-specific modeling for pharmacoeconomic research.
- Standardization is essential for reliable and comparable cost-effectiveness findings in oncology.
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