INTRAFRACTION PROSTATE MOTION MANAGEMENT
The raypilot system
Enabling accuracy in prostate cancer care
Raypilot is an electromagnetic positioning system that continuously localizes the prostate during radiation therapy. The system includes a transmitter which tracks the prostate tumour movements and outlines the urethra in real-time 3D, thus enhancing treatment precision and enabling a significant reduction of the risk of damaging surrounding healthy tissue. The precision makes it possible to use higher radiation dose and treatment may be given in a week or less, compared to conventional therapy over an 8-week period.
Healthcare professionals about Raypilot
“The reported significantly increased toxicity for SBRT vs standard IMRT was mostly urethra related. Having the possibility to identify the urethra using the Raypilot Hypocath gives us the opportunity to reduce the urethral dose without underdosing the tumour, thus delivering a safer treatment.”
Medical Physicist Denis Panizza, San Gerardo Hospital, Monza, Italy
“Raypilot Hypocath enables us to keep track of prostate motion during SBRT treatments where the precise dose to the target and strict tolerance to the surrounding organs is paramount.”
Professor Stefano Arcangeli, Head of Radiation Oncology, San Gerardo Hospital, Monza, Italy
”Raypilot is a game changer for our clinic. Being able to track tumour movements in real time reduces the margins and removes the uncertainty we previously felt about hypofractionation. It helps us treat more patients through hypofractionation. The results so far have been very promising.”
Professor Duncan McLaren, Consultant Clinical Oncologist, Edinburgh Cancer Centre, Western General Hospital, Scotland
”Very user-friendly system. Very easy to understand and supports us a lot in the standard workflow. This system has the potential to become a valuable asset when using SBRT protocols for treating prostate cancer.”
Professor Felix Sedlmayer, Department of Radiotherapy and Radio-Oncology, LKH Salzburg, Austria and Paracelsus Medical University, Salzburg, Austria
Patient workflow – from start to finish
Raypilot keeps track of the prostate during patient set up and treatment. Motion monitoring in real-time enables you to safely minimize the margins. Predefined margins are chosen for the tolerance margins by the physician. When margins are exceeded during the treatment sessions the Raypilot System alerts the user and the treatment is stopped. Data from the treatment is stored and saved for the user to access and analyze.
The patient is assigned radiotheraphy treatment by his pyshican. The treatment monitoring of prostate motion is enabled by the Raypilot System.
During the planning session the Raypilot Viewcath is inserted to simulate the same situation as in the coming treatment with the Raypilot Hypocath.
CT is performed and bladder filling is done according to clinical routine. After the CT is done the Raypilot Viewcath is removed.
Outlining of the urethra is performed by the physician.
Patient is scheduled for treatment (generally 1-7 days wait).
Now the physician can perform a safe real-time control urethra-sparing treatment.
Patient arrives and the Raypilot Hyopcath is inserted.
The bladder is filled with same volume as planned – reproducibility of the bladder filling.
Patient treatment starts (15 min average treatment time*).
Raypilot keeps track of the prostate motion during patient set up and throughout the treatment.
Single shot treatment:
After finished treatment the Raypilot Hypocath is removed, and patient goes home.
Between the treatment sessions the patient goes home with the Raypilot Hypocath catheter and comes back for the next scheduled session.
After the last treatment session, The Raypilot Hypocath is removed. Individual follow-up depending on clinical routine.
Routine scheduled visits and follow up at the clinic according to local routine.
*Average treatment time 10.2 minutes, Monza Protocol, S.Gerardo Hospital, Monza, Italy. Read study
– I have not had any side effects. My way of life hasn´t changed at all.
Mr Cattaneo Giorgio, treated at San Gerardo Hospital in Monza, Italy.
Meet 79-year-old Mr Cattaneo Giorgio. He was treated for prostate cancer in four sessions performed in four consecutive days. The use of Raypilot allows faster as well as more effective and safe treatments.
Dosimetric Impact of Intrafraction Prostate Motion and Interfraction Anatomical Changes in Dose-Escalated Linac-Based SBRT
Intensity-modulated radiotherapy versus stereotactic body radiotherapy for prostate cancer (PACE-B): 2-year toxicity results from an open-label, randomised, phase 3, non-inferiority trial
Intrafraction Prostate Motion Management During Dose-Escalated Linac-Based Stereotactic Body Radiation TherapyRead article
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