PROSTOX Tests: Is Conventionally... - Advanced Prostate...

Advanced Prostate Cancer

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PROSTOX Tests

Infamous9597 profile image
8 Replies

Is Conventionally Fractionated Radiotherapy (CFRT) mentioned on mirakind.org/prostox-testing/ the same as Intensity-Modulated Radiation Therapy (IMRT)? Specifically, does the CFRT test indicate if I am at high or low risk for IMRT?

If the result of SBRT test indicates high risk, can I opt for IMRT instead?"

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Infamous9597 profile image
Infamous9597
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8 Replies
Tall_Allen profile image
Tall_Allen

If you are likely to be highly radiosensitive based on Prostox, your RO may spread out your treatments to either conventionally fractionated (~44 treatments) or moderately hypofractionated (~26 treatments) instead of extremely hypofractionated (5 treatments).

Infamous9597 profile image
Infamous9597 in reply toTall_Allen

Thank you, Tall_Allen. So the CFRT test is basically useless. The results of the SBRT test alone should give me a good idea of which radiation treatment to choose.

Tall_Allen profile image
Tall_Allen in reply toInfamous9597

I would think that is your risk is high for SBRT, it is low for CFRT. If they are both high risk, maybe consider prostatectomy?

Infamous9597 profile image
Infamous9597 in reply toTall_Allen

If they are both high risk, would moderately hypofractionated (~26 treatments) be an option?

Tall_Allen profile image
Tall_Allen in reply toInfamous9597

No.

LongevityAT profile image
LongevityAT

I had the test and was also high risk for SBRT. Dr Kishan recommended 20 treatments and all went well.

Infamous9597 profile image
Infamous9597 in reply toLongevityAT

thank you LongevityAT

AnOrangeADay profile image
AnOrangeADay

to lower side effects from radiation, slow conventional should be less harsh. but maybe also use spacer, mr-g sbrt. possible to give sbrt once a week Qw instead of every other day EOD.

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