Stampede 6 Gy X 6 prostate constraints

[BobbyHeenan]

Hello.

I have a guy with only 1-2 mets from prostate cancer I'm thinking about treating. He's doing well on ADT.

Seems like 6 Gy X 6 would be a good option for him. I do prostate SBRT at slightly different fractionation (typically 36.25 to 40 in 5) but haven't had a 6 X 6 patient.

I've looked online but can't find the dose constraints from Stampede for 6 X 6. Anyone have a link handy on this?

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[BobbyHeenan]

I did find this on Mednet:

36 Gy/6 weekly

Rectum: 33.3 Gy to 50%,
27.8 Gy to 60%,
16.7 Gy to 80%

Bladder: 33.3 Gy to 25%,
27.8 Gy to 50%

 

[Chartreuse Wombat]

Mednet is correct- copied from protocol below