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Would you add ADT to EBRT for favorable intermediate risk patients with T1c prostate cancer by DRE and bilateral prostatic lobe involvement by MRI?

Would gene expression testing (e.g., Decipher, Prolaris, Oncotype DX) guide your management recommendations?
4 Answers
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Radiation Oncology · Case Western Reserve University/ University Hospitals Seidman Cancer Center
Answered on

Let's break down the question:

If the patient has favorable intermediate risk disease, but cT1c by DRE, then he must have either:

  1. Grade group 2 (Gleason 3+4), PSA <10, and percent positive cores <50%; or
  2. Grade group 1 (Gleason 3+3), PSA 10-20, and percent positive cores <50%

For scenario 1:

Havi...

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Radiation Oncology · University of Chicago
Answered on · Updated on

Generally speaking, I would not add ADT for a man with favorable, intermediate risk disease treated with EBRT. These men have a high chance for biochemical control, and low chance for cancer mortality (<5%) at 10 years with RT alone, and the added benefit of for ADT is small, probably not making it ...

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Radiation Oncology · University of Florida
Answered on

No

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Radiation Oncology · Saint Lucie Radiation Oncology
Answered on · Updated on

Great discussion! The eContouring resources have been great for learning the technical aspects of prostate SBRT/hypofx/MRI fusion after training. The ASTRO refreshers, in my opinion at least, from the mid-2010s were too focused on data minutiae and not practical treatment planning but not sure about...

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