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About

Stefanie Ehrbar is a leading researcher in precision radiotherapy, specializing in motion management and real-time tumor tracking. Her work addresses a critical challenge in cancer treatment: minimizing the irradiation of healthy tissue caused by intrafractional tumor motion. Ehrbar’s major contributions center on the development and evaluation of robotic treatment couch systems for dynamic couch tracking—a technique that continuously moves the patient to align the tumor with the radiation beam. Her 2016 paper on modeling and performance evaluation of such systems (8 citations) laid foundational groundwork, while her 2018 study on body motion during dynamic couch tracking with healthy volunteers (5 citations) provided essential insights into patient response. Ehrbar also contributed to the RAdiosurgery for VENtricular TAchycardia (RAVENTA) trial, authoring a 2022 multicenter benchmarking study on cardiac radioablation treatment planning (12 citations). Her 2019 paper defining the ideal couch tracking system (4 citations) and her 2017 investigation into unconscious physiological responses to couch motion (3 citations) further advanced the field. Through this body of work, Ehrbar has significantly improved the precision and safety of radiotherapy, offering innovative solutions to reduce treatment margins and enhance patient outcomes.