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Is 60 Gy / 20 fractions “strong enough”?

Prostate Cancer | Last Active: May 23 4:03pm | Replies (7)
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For my Gleason 7(4+3) w/PSA 7.976, they gave me the choice of 20 fractions @ 3.0 grays/fraction (60 grays total), 28 fractions @ 2.5 grays/fraction (70 grays total), or 30 fractions @ 2.0 grays/fraction (60 grays total).

I asked them which they had more success with. They indicated the 28 fractions @ 2.5 grays/fraction. That’s the one I chose.

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Replies to "For my Gleason 7(4+3) w/PSA 7.976, they gave me the choice of 20 fractions @ 3.0..."
jim18 | @jim18 | May 23 11:09am

@brianjarvis Not sure why 2x30 was offered (insurance limits since they pay by fraction?). Normal is at 37-40 fractions at 2Gys for 74-80 Gys. Still 2.5x28 will work as well or better. The 3x20 is about the same but with a higher percentage of side effects. As a general rule fewer fractions are easier on the schedule, but harder on the body. Need to pay attention to biological effect and not just total Gys. The RO and physicist have a load of calculations to equate different dose schedules (ask). So 3x20=60Gys is good but 2x30 for 60 Gys is underdosed.

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