S2852
RTT - RTT education, training, and advanced practice
ESTRO 2026
completed the mandatory e-learning module. Additional information was provided by a Standard Operation Procedure (SOP), which 82% considered to be sufficient. Script usage was initially low (37%) but increased to >90% after integration into the standard workflow and removal of duplicate manual checks from the old existing checklist template (figure1). After introduction and initial adoption, users started to drift from intended use: RTTs applied the script to unapproved indications which amounted up to 10 unapproved indication checks per week, being unaware of associated safety risks using outside the intended use. Lack of background knowledge was the most frequent reason for this inappropriate use, which was resolved through targeted training of the RTTs. Over 28 weeks, script usage remained consistent, with in total 1228 evaluated plans. The script detected errors in 33% of the plans, which were then corrected before plan approval. A qualitative survey among 28 RTTs showed that automated checks saved an average of 27% in time compared to manual checks (figure2).
minimise workflow disruption. Their involvement has been central to identifyinginefficiencies, assessing feasibility, and embedding research within clinical delivery, providing a strong foundationfor future PBT studies. Keywords: PBT, Radiation Therapist, Evaluative Commissioning Mini-Oral 1389 Implementing an Automated Plan Check in a High- Volume Radiotherapy Department: Adoption, Integration, and Impact. Steffie Schouenberg, Wouter van Elmpt, Peter Fick, Jan Kubica, Richard Canters, Dominique Reijtenbagh, Maud de Rooy, Desiree Willems, Michel Ollers, Denis Eyssen, Moniek Verstegen, Erik Roelofs, Sanne Hurkmans, Cissy Stultiens, Frederique Geuns, Ans Swinnen, Karo Limpens, Marta Bogowicz Department of Radiation Oncology (Maastro), GROW Research Institute for Oncology and Reproduction, Maastricht University Medical Centre+,, ., Maastricht, Netherlands Purpose/Objective: To provide a structured overview of the implementation and adoption process of an automated treatment plan check script in a high- volume radiotherapy department. Material/Methods: An action research approach was used to monitor and refine the implementation of an in-house developed automated plan check script built into the Eclipse Treatment Planning system using ESAPI scripting functionality. Prior to the implementation, a pilot group of 8 RTTs and physicians designed and validated the initial workflow; this was scaled and evaluated department wide with a user group consisting of 100 RTTs. Results: Key focus areas included training, user adoption, usage frequency, and time efficiency. Within a six- month time-frame, the implementation of the automatic plan check was systematically monitored. Qualitative information was extracted from interviews conducted at baseline, three-, and six- month post-implementation. Quantitative data collection included script usage rates, repeated use per patient (and changes in the plan between the runs), e-learning engagement, and user interpretation. Results: Initial assumptions included the need for simultaneous technical and contextual training, maintaining both manual and automated checks to support patient safety, and concerns about over- reliance on automation. Despite (repeated) management encouragement, only 50% of RTTs
Conclusion: Automation of treatment plan checks shifts the RTT’s role from execution to interpretation. While technical training can be addressed via e-learning or SOPs, contextual training must be carefully timed and supported by workplace monitoring. Seamless integration of automation into existing workflows is essential for safe and effective use. Keywords: Automation, risk mitigation, treatment planning
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