Development of a visualization tool to estimate out-of-pocket costs for systemic cancer therapy in Japan and claims-based agreement evaluation: the VEST-Ca study

Key Points

• The aim is to develop a cost estimation tool for out-of-pocket expenses related to cancer therapy.
• Developed a rule-based cost estimation tool.
• Evaluated claims-based agreement across various systemic regimens.
• Facilitated financial counseling for patients.
• Demonstrated high claims-based agreement.
• Showed that the tool supports shared decision-making in oncology.
• Indicated potential for improved financial transparency for patients.