A Randomized Phase III Trial of Stereotactic Ablative Radiotherapy for Patients With Up to 10 Oligometastases and a Synchronous Primary Tumor.
David Palma
180 participants
Oct 6, 2023
INTERVENTIONAL
Conditions
Summary
This study is a phase III multi-institutional randomized trial. Patients will be randomized in a 1:2 ratio between current standard of care treatment (Arm 1) vs. standard of care treatment + SABR (Arm 2) to sites of known disease. Patients will be stratified by two of the strongest prognostic factors, based on a large multi-institutional analysis3: histology (Group 1: hormone-sensitive prostate cancer, breast, or renal; Group 2: all others), and number of metastases (Group 1: 1-3; Group 2: 4-10).
Eligibility
Plain Language Summary
Simplified for easier understanding
This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.
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Interventions
Radiotherapy for patients in the standard arm should follow the principles of palliative radiotherapy as per the individual institution, with the goal of alleviating symptoms or preventing imminent complications. Recommended dose fractionations in this arm will include 8 Gy in 1 fraction, 20 Gy in 5 fractions, and 30 Gy in 10 fractions.
Pre-specified based on the standard of care approach for that patient.
Pre-specified based on the standard of care approach for that patient.
Pre-specified based on the standard of care approach for that patient.
Pre-specified based on the standard of care approach for that patient.
Pre-specified based on the standard of care approach for that patient.
The primary tumor may be treated with SABR or with other local modalities at the discretion of the treating team and/or the local multidisciplinary tumor board. Preferred doses are 20 Gy in 1 fraction, 30 Gy in 3 fractions (every second day), and 35 Gy in 5 fractions (daily).
Treatment to the primary tumor and metastases, with SABR preferred, but other options all allowable if those are deemed to be preferable by the treating oncologists. The primary tumor may be treated with SABR or with other local modalities at the discretion of the treating team and/or the local multidisciplinary tumor board. Because of the convenience in using SABR for all lesions, non-SABR modalities should only be used if they are likely to provide a benefit over SABR.
Treatment to the primary tumor and metastases, with SABR preferred, but other options all allowable if those are deemed to be preferable by the treating oncologists.
Treatment to the primary tumor and metastases, with SABR preferred, but other options all allowable if those are deemed to be preferable by the treating oncologists. Tumors in the esophagus, stomach, small intestine or colon should be treated with either fractionated radiation or a lower SABR dose (e.g. 25 Gy in 5 fractions) to minimize the risk of perforation.
Locations(5)
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NCT05717166