Varian supports over 100 clinical projects, trials, and studies (Varian-sponsored and investigator-initiated trials) across many treatment areas, including Adaptive Radiotherapy, Flash, Interventional Radiology, and Cardiac Radioablation.

Selected Clinical Studies

HyperArc Registry

The HyperArc registry is designed to collect data from which the efficacy of the HyperArc procedure can be assessed and compared to alternative treatments. Learn more

Feasibility Study of FLASH Radiotherapy for the Treatment of Symptomatic Bone Metastases (FAST-01)

The purpose of this study is to assess the feasibility of FLASH radiotherapy for the palliative treatment of painful bone metastases. FLASH radiotherapy is radiation treatment delivered at ultra-high dose rates compared to conventional radiation treatment. Learn more

Conventionally Fractionated Adaptive Radiation Therapy of Bladder Cancer an Individualized Approach (ARTIA-Vesica)

This is a single-arm, prospective, Phase II, multi-center clinical trial designed to demonstrate that adaptive radiotherapy for muscle invasive bladder cancer will translate into a decreased rate of acute gastrointestinal toxicity compared with the historically reported rate for non-adaptive intensity modulated radiation therapy (IMRT). Learn more.

Daily Adaptive Radiation Therapy an Individualized Approach for Carcinoma of the Cervix (ARTIA-Cervix)

This is a single-arm, prospective, Phase II, multi-center clinical trial designed to demonstrate that adaptive radiotherapy for locally advanced cervical cancer will translate into a decreased rate of acute gastrointestinal toxicity compared with the historically reported rate for non-adaptive intensity modulated radiation therapy (IMRT). The timepoint for this assessment will be at week 5 of external beam radiotherapy (EBRT) and will use the Patient-Reported Outcomes version of the Common Terminology Criteria for Adverse Events (PRO-CTCAE). Learn more

Daily Adaptive Radiation Therapy: An Individualized Approach for Stage III Lung Cancer (ARTIA-Lung)

This is a prospective multi-center randomized clinical trial designed to demonstrate that daily online adaptive radiotherapy with concomitant chemotherapy for stage III non-small cell lung cancer (NSCLC) will result in decreased acute respiratory and esophageal toxicity compared with non-adaptive radiotherapy with concomitant chemotherapy. The timepoint for this assessment will be 1 month following the end of radiotherapy and will use the Patient Reported Outcomes version of the Common Terminology Criteria for Adverse Events (PRO-CTCAE). Learn more

Evaluation of Novel Cone-Beam CT for Guidance and Adaptation of Precision Radiotherapy

This is a feasibility study investigating the image quality of a new, high-performance cone beam CT (CBCT) used for on-couch imaging during radiotherapy treatments. Learn more

Imaging Study on Halcyon 4.0 System for Patients Receiving Radiation Therapy (Dragon)

This prospective imaging study is evaluating the feasibility of using the Halcyon 4.0 radiotherapy system for radiation therapy planning in patients with cancer. The Halcyon 4.0 system has been engineered to decrease the image acquisition time and the radiation exposure, but the system has not yet been clinically validated for use in radiation planning. This pilot study will evaluate images obtained on the Halcyon 4.0 system to assess if the quality is sufficient for radiation treatment plan construction. Learn more

Evaluation of a Cone-beam CT Scanner for Image Guided Radiotherapy (CONFIGURE)

This is a feasibility study investigating the image quality of a new, high-performance cone beam CT (CBCT) used for on-couch imaging during radiotherapy treatments. Learn more

Genicular Artery Embolisation for Knee Osteoarthritis II (GENESIS II)

This clinical study is designed as a double-blind sham controlled randomised trial with the option of sham group crossover to receive the GAE treatment at 6 months after unblinding. This study will determine if embolisation of abnormal neovasculature arising from branches of the genicular arteries reduces pain in patients with knee osteoarthritis. The study patient population will consist of up to 110 subjects with knee pain for at least 3 months that is resistant to conservative treatment measures. Subjects will be treated with knee embolisation or 2 mL of saline in the sham arm. At 6 months, all subjects in the sham arm will be allowed to cross-over and receive the embolisation procedure with a follow-up duration of 18 months. The total planned study duration is 3.5 years. Learn more

FLASH Radiotherapy for the Treatment of Symptomatic Bone Metastases in the Thorax (FAST-02)

The purpose of this study is to assess toxicities of FLASH radiotherapy treatment and pain relief in subjects with painful thoracic bone metastases. FLASH radiotherapy is radiation treatment delivered at ultra-high dose rates compared to conventional radiation treatment. Learn more

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