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Accuray Incorporated (ARAY) Message Board

  • hemmerjohn9 hemmerjohn9 Sep 24, 2013 9:33 PM Flag

    Reason why Accuray sold interest in Proton Therapy.

    Alex Muacevic - European CyberKnife Center...

    I like probably to add for terms of future expectations what will be an interesting discussion is can modern LINAC machine and maybe particularly modern machines like the new Tomo and also the CyberKnife compete with Proton Facilities. These are facilities where I think now have absurd an higher cost ratio and I doubt that this is really enough beneficial to that it can justified to be installed and I believe maybe Eric will not have the same opinion, I don’t know but I believe the most modern and future IMRT and also robotic technologies will heavily complete with Proton Facilities and I think they will win the race.

    From Eric Lartigau - Centre Oscar Lambret...

    I strongly agree, but if we spend one second on Protons, just like classical medical survey, you have to demonstrate that you do better and what is actually happening in U.S. with Protons is prostate, it’s exactly it, when you get the clinical results, you have to get the clinical results you were expecting to get or you were pretending that you would be getting. If you don’t then your foot is back in the carpet.

    So, in the field radiation oncology, most of the oncologists are very, very conservative people because the process is slow, toxicity is late in the patients. So we have to demonstrate very carefully that we do better. So, still today the best is Photons and best of delivery Photons. And for Protons it will take quite a long time to demonstrate that they do as good as with Photons, clinically speaking of course, so there is a still a big room there and there are I think there is quite a bright future for very sophisticated Photons machines due to what we know on clinical issues today.

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    • After extensive research I chose Proton Therapy for early stage prostate cancer and the results, a year and a half later, have been excellent. This includes quality of life retention. My research data, and results, entail that Protons have a significant advantage over Photons when it comes to quality of life retention. A great deal of unwarranted Proton bashing takes place in the medical community since most hospitals can only afford to provide much less expensive photon equipment.

      I cannot speak specifically to CyberKnife. I did seriously consider this option but the data was very thin at the time. Perhaps CK's unique technique minimizes side effects typical of photons, but perhaps not quite as good as proton. I'm looking forward to seeing the side-effect data as CK matures.

      DZ

      • 2 Replies to denzerini
      • My take away from what the Dr. Alex Muacevic - European CyberKnife Center and Dr. Eric Lartigau - Centre Oscar Lambret was that Proton Therapy was so much more expensive than the Cyberknife or the Tomograph Therapy. I may be way off but my guess for the size and cost of the Proton Therapy centers would be about 5 times more expensive. Like birdbob42 I would be interested to know. Thanks.

      • denzerini-am curious about details of proton prostate treatment. My CK procedure was 5-90 minute sessions on successive days 5-years ago. Convenient, painless. no side effects , cancer gone. Medicare reimbursement was around $21,000 for the actual treatment sessions. A complete CK system including vault is around $10m, but mine was donated to the hospital group by a local family. Thanks in advance.

 
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