# Accuray

Source: https://onco.cc/companies/accuray/  
OnCo record `accuray` (Company). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Accuray makes the CyberKnife robotic radiosurgery system and the TomoTherapy and Radixact helical radiotherapy platforms, and sponsors trials of stereotactic and adaptive radiotherapy.

## Summary

Accuray, listed on Nasdaq and headquartered in Madison, Wisconsin after moving from Sunnyvale, California, manufactures radiotherapy equipment: the CyberKnife, a linear accelerator on a robotic arm that tracks tumour motion for stereotactic radiosurgery and stereotactic body radiotherapy, and the TomoTherapy and Radixact systems, which deliver helical intensity-modulated radiotherapy with daily imaging. It sponsors clinical trials of hypofractionated and adaptive treatment on its platforms. It appears on OnCo as a lead sponsor of phase 3 cancer trials on ClinicalTrials.gov.

## Fields

- Kind: Company
- Last checked: 2026-09-11
- Also known as: Accuray Incorporated; Accuray Inc.
- Tags: ctgov-sponsor
- HQ: Madison, WI
- Type: devices
- Website: https://www.accuray.com

## Sources

- Official website: https://www.accuray.com
- ClinicalTrials.gov: trials led by Accuray: https://clinicaltrials.gov/search?lead=Accuray
- Wikipedia: https://en.wikipedia.org/wiki/Accuray

## Connected records

- fronts: [Devices & Physical Therapies](https://onco.cc/fronts/devices/), [Radiation Therapy](https://onco.cc/fronts/radiation/)
- technologies: [CyberKnife robotic radiosurgery](https://onco.cc/technologies/cyberknife/), [In-room imaging for radiotherapy (cone-beam CT, ExacTrac, CT-on-rails, HyperSight)](https://onco.cc/technologies/in-room-imaging-systems/), [Linac, proton system and brachytherapy machine manufacturing](https://onco.cc/technologies/radiotherapy-equipment-manufacturing/), [Respiratory gating and tumour tracking systems (RPM, ABC, Calypso, Synchrony)](https://onco.cc/technologies/respiratory-gating-tumour-tracking-systems/), [SBRT / SABR (stereotactic radiotherapy)](https://onco.cc/technologies/sbrt/), [Stereotactic radiosurgery (Gamma Knife, CyberKnife, linac SRS)](https://onco.cc/technologies/radiosurgery-srs/), [TomoTherapy and Radixact (helical radiotherapy)](https://onco.cc/technologies/tomotherapy/)
- terms: [Hypofractionation (fewer, larger radiotherapy doses)](https://onco.cc/terms/hypofractionation/), [Radiotherapy](https://onco.cc/terms/radiotherapy/)

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