Searching oligometastatic options - Advanced Prostate...

Advanced Prostate Cancer

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Searching oligometastatic options

Blueslover profile image
19 Replies

Now 11 years post DaVinci and salvage radiation 5 years later and now with abdominal lymph node mets. Realize I am fortunate as am approaching a year on Lupron, nodes now normal size (initial Axumin scan then just CT follow up) and PSA undetectable. Treatment is at Duke and obviously palliative until possible recurrence.

Having recently seen Dr. Eugene Kwon's 28-minute U-tube video of his presentation at the 2014 PCRI meeting, now realizing that not everyone agrees with this palliative approach. He uses the C11 Choline scan and obviously believes in a more aggressive approach, with attempts to either excise or irradiate these small mets when they occur. He seems to have had considerable success with his referred patients' treatment.

Would appreciate any input from the group as to whether I should seek a second opinion with this more aggressive approach in mind.

Hugh

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Blueslover profile image
Blueslover
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19 Replies
Tall_Allen profile image
Tall_Allen

Count me as one who does not believe in what you call an "aggressive approach"- but I don't disagree either - I'm decidedly agnostic. And I don't think the approach is particularly "aggressive" either (Chemo or Ac-225-PSMA-617 would be much more "aggressive"). I'm just saying there is no evidence of any benefit of metastasis-directed therapy in prostate cancer (although there may be a benefit for other cancers). So safety has to be a primary concern. With mets in the abdomen, there are some very radiation sensitive organs that may be damaged, so you have to understand that the treatment may shorten your lifespan more than the cancer would.

Perhaps this article will help explain the issues:

pcnrv.blogspot.com/2017/05/...

BTW - Dr Armstrong at Duke is about as good as it gets.

Blueslover profile image
Blueslover in reply toTall_Allen

Thanks for your input

Schwah profile image
Schwah in reply toTall_Allen

I’m confused. Didn’t the saber comet SART trial for ogliometastatic PC indicate that SBRT for these men’s mets extended lives?

Schwah

Tall_Allen profile image
Tall_Allen in reply toSchwah

No, it did not. SABR-COMET was a pilot study (n=99) of people with any kind of cancer. In fact, only 15 men in the study had prostate cancer, and because follow-up was only 5 years, it is likely that no one died of prostate cancer in that timeframe whether they were treated or not. You cannot draw any conclusions at all for prostate cancer. However 5% of the treated people died due to radiation injuries, and 30% suffered Grade 3 or higher (serious to life threatening) adverse effects.

GP24 profile image
GP24

Dr. Kwon did not mention how long the treated patients lived without new metastases. I think a lot of them had a recurrence.

Here is a study that showed a benefit of eight months for metastasis directed therapy:

ascopubs.org/doi/full/10.12...

ascopubs.org/doi/full/10.12...

If you prefer to have your metastases removed instead of keeping them for the rest of your life, you should get a second opinion from a doctor who does metastasis directed therapy. I would recommend Dr. Phuoc Tran at Johns Hopkins:

hopkinsmedicine.org/profile...

Blueslover profile image
Blueslover in reply toGP24

Thanks GP24

tallguy2 profile image
tallguy2 in reply toGP24

Thanks for posting this Phase II trial. Do you know if Phase III is underway?

I explored surgical removal of two lymph nodes showing metastasis (via PET with Axumin) before and after chemo. Risk of lymphodema was explained. I chose EBRT after consulting with my RO to cover a broader area than SBRT would cover so perhaps I will not need to lay under a linear accelerator anytime soon (this was my second round, albeit in a different area).

Memorial Sloan Kettering in NYC has a clinical trial underway that we all need to watch unfold. It's in Phase I now. I call it the "remove, irradiate, or drug" (RID) oligometastases trial. :)

GP24 profile image
GP24 in reply totallguy2

I am not aware of a phase III trial and I do not think there will be one in the near future. The follow-up trial is another phase II trial with a different design. Now they add six months of ADT and whole pelvic radiation. It will take a long time to get results from this trial.

clinicaltrials.gov/ct2/show...

tarhoosier profile image
tarhoosier

I would say there is "some" evidence of benefit-with the limitations of small sample size, limited time, retrospective, selection bias, etc. Certainly no proof. There is a gulf between evidence and proof.

Blueslover profile image
Blueslover in reply totarhoosier

Thanks

Blueslover profile image
Blueslover in reply toBlueslover

That's what it looks like.

Lots more to learn!

Break60 profile image
Break60

I’ve radiated mets as they’ve been located by scans . It’s controversial but it’s worked for me. C11 choline is no longer the best type of scan. PSMA ga 68 and others are more effective.

Blueslover profile image
Blueslover in reply toBreak60

Thanks

How do you know it worked for you?

Break60 profile image
Break60 in reply toBlueslover

All I can say is that I’ve never had recurrence in any mets radiated. When I stopped ADT I had recurrence elsewhere. So you need to stay on systemic treatment . I’ve been on ADT off and on since July 2014. And it’s still working. See my profile.

Blueslover profile image
Blueslover in reply toBreak60

Thanks

Never searched a profile yet but I'll try. Was curious about size and locations of previous mets. Will look. Have to out till later.....

Hugh

Break60 profile image
Break60 in reply toBlueslover

Just click on my photo

Blueslover profile image
Blueslover in reply toBreak60

K

Break60 profile image
Break60 in reply toBlueslover

Mets in lymph nodes were suspicious so I guess small. Femur met was 9 mm. 4th left rib and right scapula had osseous metastatic disease.

Blueslover profile image
Blueslover in reply toBreak60

Thanks Break60

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