Accuray Incorporated (NASDAQ: ARAY) announced today that the company has initiated sales of the VitalHold™* package supporting surface-guided radiation therapy (SGRT) on the Radixact® System in Japan beginning November 30, 2023. The VitalHold feature incorporates SGRT capability on the Radixact System using the Catalyst+ HD system manufactured by C-RAD, making it possible to deliver deep inspiration breath hold (DIBH) treatments, primarily for breast cancers, and perform markerless patient setup. The addition of this new feature will enable medical teams using the Radixact System to offer a wider range of radiotherapy treatment options using one device.
SGRT is a technology that supports highly accurate positioning by scanning the patient's body surface with a high-resolution camera and reconstructing it as a 3D image in real-time. The reconstructed image enables clinicians to easily visualize the difference between the current body position and the target position, helping to ensure high reproducibility of the patient position during treatment.
Heart dose from left-sided breast radiotherapy has been associated with a risk of cardiac injury1. In recent years, DIBH irradiation has become the standard of care for the treatment of left breast cancer to help minimize the heart dose. DIBH is performed by asking the patient to take a deep breath to physically separate the chest wall and targeted tumor from the heart. SGRT technology, which helps confirm the patient is appropriately positioned to deliver radiation, is widely used to facilitate these treatments. SGRT may also help reduce stress on the patient because it doesn't require permanent marks or lines on their body to verify they are in the correct position.
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