I too had SBRT 5 sessions. I stopped Orgovyx after 12 months. I was Gleason 9. After 3 1/2 months my PSA went up from 0.02 to 0.05. My T went up from 8 to 65.
Who is your oncologist? Not all oncologists believe in Intermittent ADT. I may want to talk to your oncologist for a 3rd opinion who believes in taking a holiday from this powerful drug!