News | March 10, 2008

Mobetron Delivers IOERT to Japanese Breast Cancer Patients

March 10, 2008 - IntraOp Medical Corp. said doctors at Nagoya University Hospital in Nagoya, Japan, are now using the Mobetron to deliver intraoperative electron-beam radiation therapy (IOERT) to breast cancer patients.

Nagoya University Hospital acquired the Mobetron, IntraOp Medical’s mobile, self-shielding linear accelerator, in Oct. 2006. Nagoya University has had a history of using IOERT through patient transportation, particularly for the treatment of pancreatic cancer. They are the first hospital in Japan to provide IOERT in a standard operating room, said IntraOp Medical.

The term “single-dose” refers to IOERT’s ability to eliminate the need for post-surgery radiation therapy, said the company. The Mobetron reportedly allows doctors to deliver a single dose of radiation to patients during their cancer surgery. By delivering radiation at the time that the cancerous tissue is excised, the Mobetron administers in one treatment the equivalent of six weeks of post-operative radiation therapy.

When the Mobetron delivers single-dose IOERT, it reportedly allows radiation and surgical oncologists to visually see the exact area they need to radiate and immediately deliver high doses directly to the affected tissue when any residual tumor cells will be most vulnerable. It is convenient for the patient since all of the radiation that is needed to control the disease is given at the same time as surgery. Single-dose IOERT also results in less dose to the healthy tissues and there is complete sparing of radiation to the skin which should lead to better cosmetic results, said the company.

Using the Mobetron to deliver single-dose radiation therapy reportedly reduces the overall treatment time for the patient, resulting in a faster recovery and return to daily life. It also increases the chances for oncoplastic reconstruction at the time of the lumpectomy, making breast reconstruction a real alternative to mastectomy for many breast cancer patients.

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