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Nearly a decade has passed since the memorable 2015 AAPM Summer School on Proton Therapy brought together the experts and the audiences eager to learn about the promises of the “new“ treatment modality. Proton therapy application continued its robust expansion: the number of facilities in operation in the US, and the number of treatments per year more than doubled since 2015. The introduction of new imaging and delivery techniques enhanced the therapy’s precision and broadened its application. And the body of clinical evidence supporting proton treatments continues to expand. As a result, protons are now accessible to more of our patients, and the growth has been the strongest in some of the most complex treatment set-ups, such as head-and-neck or breast. AAPM has been at the forefront of the effort to educate providers and patients, and to identify and recommend best practices: five Task Group Reports on different aspects of proton therapy have been published, and more are in the works. The developments to improve the accuracy, and cost-effectiveness of proton therapy are ongoing. At the same time, progress is also made in our understanding of the biological effects of proton radiation, which paves the way for a more optimal engagement of the proton’s therapeutic potential.


  1. Describe current clinical applications of proton therapy.
  2. Determine the appropriate QA practice in proton therapy.
  3. Develop an understanding of challenges and opportunities specific to proton therapy.

Program Outline

All times listed are ET (Eastern Time)

February 14 Topic Speaker
10:30am - 10:45am Opening X. Ronald Zhu
10:45am - 11:25am Introduction to Proton Therapy – Promises and Challenges Anita Mahajan
11:25am - 12:05pm Proton Accelerators design and delivery methods Katja Langen
12:05pm - 12:45pm Commissioning of proton systems (TG185) Jonathan Farr
12:45pm - 1:00pm Q&A
1:00pm - 2:00pm Lunch
2:00pm - 2:25pm Uncertainties in proton therapy (TG202) Michael Moyers
2:25pm - 2:50pm Commissioning of Proton MC TPS (TG349) Liyong Lin
2:50pm - 3:15pm Overview of imaging modalities for proton treatment planning and delivery Ming Yang
3:15pm - 3:30pm Q&A
3:30pm - 3:45pm Break
3:45pm - 4:10pm Machine QA for proton systems (TG224) Bijan Arjomandy
4:10pm - 4:35pm RBE considerations for proton (TG256) Harald Paganetti
4:35pm - 4:45pm Q&A
February 15 Topic Speaker
10:30am – 10:55am End to end and TPS QA (TG350) Charles Bloch
10:55am – 11:20am IROC Proton therapy-phantoms, credentialing, and QA Paige Taylor
11:20am - 11:45am IMPT Treatment planning - physical and biological robustness Mark Pankuch
11:45am - 12:00pm Q&A
12:00pm - 12:15pm Break
12:15pm - 12:40pm Motion management in proton therapy (TG290) Heng Li
12:40pm - 1:05pm Comparative risk analysis of measured and log file-based proton patient QA Daniel Robertson
1:05pm - 1:15pm Q&A
1:15pm - 2:00pm Lunch
2:00pm - 2:25pm Proton SFRT Khadija Sheikh
2:25pm - 2:50pm Modernizing Proton Ocular Treatment Alexei Trofimov
2:50pm - 3:00pm Q&A
3:00pm - 3:15pm Break/Q&A
3:15pm - 3:35pm Re-Irradiation in Proton Therapy 1 Rachel Ger
3:35pm – 3:55pm Re-Irradiation in Proton Therapy 2 Haibo Lin
3:55pm – 4:15pm Adaptive Proton Therapy - Practice Survey Petra Trnkova
4:15pm – 4:35pm Online and Offline Adaptive Proton Therapy Tianyu Zhao
4:35pm – 4:45pm Q&A
Breakout Sessions
4:45pm – 6:00pm Treatment Planning Workshop NYPC Minglei Kang
4:45pm – 6:00pm Treatment Planning Workshop Beaumont Xuanfeng Ding
4:45pm – 6:00pm Treatment Planning Workshop Mayo, Arizona Jiajian Shen
4:45pm – 6:00pm Treatment Planning Workshop WashU Yao Hao
February 16
10:30am – 10:55am Proton Dynamic Arc Xuanfeng Ding
11:55am -11:20am Gantry-less IMPT Thomas Bortfeld
11:20am - 11:45am Microscopic MC simulation for outcome modeling Xun Jia
11:45am - 12:00pm Q&A
12:00pm - 12:15pm Break
12:15pm - 12:40pm Standardization of proton RT and comparison with photon RT Xiaoying Liang
12:40pm - 1:05pm Proton FLASH dosimetry and QA Jennifer Zou
1:05pm - 1:15pm Q&A
1:15pm - 2:00pm Lunch
2:00pm - 2:25pm AI and automation in proton therapy Lei Dong
2:25pm - 2:50pm Synthetic CT for proton therapy Pingfang Tsai
2:50pm – 3:15pm A futuristic view of proton medical physics Antony Lomax
3:15pm – 3:30pm Q&A
3:30pm – 3:45pm Break
3:45pm – 4:15pm Debate: Gantry-less technologies will democratize proton RT Susu Yan
Stella Flampouri
4:15pm – 4:45pm Panel Discussion Panel
4:45pm Program Ends


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