Quantifying chemotherapy wastage in an ambulatory cancer centre in Singapore.

Introduction: To ensure the efficient use of chemotherapy drugs, chemotherapy wastage is an area that can be investigated. This study aims to quantify current parenteral chemotherapy wastage and estimate parenteral chemotherapy wastage when dose banding is executed, using a chemotherapy wastage calculator in an ambulatory cancer centre. The study also examines the variables that significantly predict the total cost of chemotherapy wastage, investigates the reasons for wastage, and explores opportunities to reduce wastage.