Would you offer prostate SBRT to a patient on a TKI?

Data is still lacking regarding a possible synergistic effect with radiation and TKI. Would you be concerned that this would cause more side effects than expected, particularly with the increased dose per fraction?

Answer from: Radiation Oncologist at Community Practice

I would assume the patient is on a TKI for another malignancy such as RCC, and the question is about treating localized prostate cancer.I ask the medical oncologist for input, and if they agree, I will hold TKI for 3-5 days before and one week after SBRT.This is based on the favorable safety profile...

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Radiation Oncologist at Memorial Sloan Kettering Cancer Center
To this point, an important question to ask is abo...

Answer from: Radiation Oncologist at Community Practice

I don't think there is a clear answer for all cases. For prostate cancer, the decisions to make are (1) whether or not the TKI should be held during radiation, and then (2) which radiotherapy dose fractionation would be preferable. I would first decide in collaboration with the medical oncologist wh...

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Would you offer prostate SBRT to a patient on a TKI?

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