Varian TrueBeam™ Radiotherapy System
The Varian TrueBeam™ Radiotherapy System is an advanced linear accelerator (LINAC) designed to deliver highly precise external beam radiation therapy and stereotactic radiosurgery for the treatment of a wide range of cancers. The platform combines high-precision radiation delivery with advanced imaging and motion management technologies to support personalized treatment while minimizing radiation exposure to surrounding healthy tissues whenever possible.
Clinical Applications
TrueBeam™ may be used in the treatment of various types of cancer when radiation therapy is clinically indicated. Depending on the patient's diagnosis and treatment plan, it can be used for tumors located throughout the body, including those situated near critical organs or other sensitive anatomical structures.
The system may be used in the management of:
- Brain tumors (benign and malignant)
- Acoustic neuromas (vestibular schwannomas)
- Pituitary adenomas
- Meningiomas
- Gliomas
- Craniopharyngiomas
- Pediatric brain tumors
- Lung tumors and lung metastases
- Liver tumors and liver metastases
- Prostate cancer
- Pancreatic tumors
- Head and neck cancers
- Spinal tumors and spinal metastases
- Adrenal metastases
- Oligometastatic disease
- Selected functional neurological conditions, such as trigeminal neuralgia, when stereotactic radiosurgery is appropriate
The most appropriate treatment approach is determined by the radiation oncology team based on the patient's diagnosis, disease stage, imaging findings, and overall clinical condition.
Advanced Treatment Technologies
The TrueBeam™ platform supports a comprehensive range of modern radiation therapy techniques, including:
- Image-Guided Radiation Therapy (IGRT)
- Intensity-Modulated Radiation Therapy (IMRT)
- Volumetric Modulated Arc Therapy (VMAT/RapidArc®)
- Stereotactic Radiosurgery (SRS)
- Stereotactic Body Radiation Therapy (SBRT)
- Respiratory Motion Management and Gated RapidArc®
- High-dose-rate treatment delivery
These technologies enable highly conformal treatment planning while adapting radiation delivery to patient positioning and, when appropriate, respiratory motion.
Precision Imaging and Motion Management
TrueBeam™ integrates advanced technologies designed to support accurate radiation delivery, including:
- Robotic image guidance
- Automated patient positioning
- Cone Beam Computed Tomography (CBCT)
- Real-time image guidance
- Respiratory motion tracking and gating
- Dynamic synchronization of imaging and radiation delivery
These features help verify patient positioning and treatment accuracy before and during radiation therapy, supporting precise targeting of the treatment area.
Treatment Process
All treatments are computer-controlled and individually planned using advanced imaging and treatment planning software.
During treatment, the patient lies comfortably on the treatment couch while the linear accelerator rotates around the body to deliver radiation from multiple angles. For selected tumors that move with respiration, the system can synchronize radiation delivery with the patient's breathing cycle, allowing treatment to be delivered with greater precision.
Treatment sessions are generally performed on an outpatient basis. The number of sessions, radiation dose, and treatment schedule vary according to the patient's diagnosis and individualized treatment plan.
Advantages
- High-precision radiation delivery
- Advanced image-guided treatment (IGRT)
- Integrated stereotactic radiosurgery (SRS) and stereotactic body radiotherapy (SBRT)
- Respiratory motion management with gated treatment delivery
- Automated patient positioning and robotic imaging
- High-dose-rate radiation delivery, allowing many treatments to be completed more efficiently
- Personalized treatment planning designed to maximize tumor targeting while helping protect surrounding healthy tissues
Patient Eligibility
TrueBeam™ therapy may be considered for both adult and pediatric patients when clinically appropriate. Treatment suitability is determined individually by the radiation oncology team following a comprehensive medical evaluation.
All treatment plans are developed and supervised by a multidisciplinary team consisting of radiation oncologists, medical physicists, and radiation therapists, in accordance with current clinical guidelines and each patient's individual therapeutic needs.
Add patient safety informationClarify treatment limitationsReduce technical repetition
