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INTRODUCTION: Subcutaneous versions of different oncology therapies have been available for patients for a few years, yet patient-relevant and hospital benefits have not been assessed in real life. METHODS: In order to analyze the impact of subcutaneous administrations for rituximab or trastuzumab in comparison to the respective intravenous mode a primary research in Italy was executed. The study's primary objectives were to analyze the resource and cost implications from different perspectives (patient, medical staff) in the real world. The route of administration was discussed and aligned with the participating centers in order to capture all relevant therapy parts. After the successful execution of a pilot study 19 centers in six regions in Italy were recruited to participate. RESULTS: Significant time savings might be achieved with the subcutaneous mode through significantly lower patient preparation time including less time preparing the actual dosing for each individual patient. The total time difference is 3.3 hours with rituximab in hematology (non-Hodgkin's lymphoma), which adds up to 23.55 hours for a full course of treatment per patient (overall preparation time: 40.1 hours intravenous 95% confidence interval (CI): ±0.47 vs 16.6 hours subcutaneous 95% CI: ±0.2). In early breast cancer (trastuzumab), the time saving might be 3.3 hours for the first cycle and the total time saving for patient preparation might be 17.2 hours (overall preparation time: 38.8 hours intravenous 95% CI: ±9.42 vs 21.6 hours subcutaneous 95% CI: ±9.9). Furthermore, in both settings, the time of medical staff was reduced and could hence be used elsewhere. Finally, in case wastage was experienced with intravenous therapies, there were potential significant reductions in wastage through the subcutaneous administration (93%-100%) with cost savings of €6,057 with rituximab subcutaneous and €28,399 with trastuzumab subcutaneous administration for the full treatment course. CONCLUSION: There are significant resource and cost savings due to subcutaneous administration with rituximab and trastuzumab in Italy based on a systematic survey. With the availability of a subcutaneous use of rituximab and trastuzumab, hospitals, patients and payers in general still have the current standard of care therapies available in the approved indications for a more efficient use of time and resources.
Walzer et al. (Sun,) studied this question.