Feasibility of Mask-Free Radiotherapy for Brain Tumor Patients

Condition(s) studied

Investigational drug(s) / intervention(s)

Surface Guided Radiation Therapy without mask: Patients are positioned using SGRT based on the reference position reconstructed from the simulation scanner. They are asked to remain still during the typical duration of a conventional radiotherapy session. Patient motion is monitored by SGRT throughout the simulated session. A CBCT scan is performed before and after the session. No treatment is delivered.

Study summary

The aim of this study is to investigate the technical feasibility of brain radiotherapy without immobilization masks using surface imaging to ensure accurate patient positioning and continuous motion monitoring.

Eligibility

Primary outcome measure(s)

• Stability of patient's position — Through the course of radiation therapy (up to 6 weeks)
  The stability of the patient's position will be assessed: * on the basis of "internal" movements (of the skull) detected by scanner imaging before and after the simulated session (on-board CBCT) * on the basis of surface movements monitored by SGRT throughout the session.

Trial sites (1)

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