Please answer a question about chemo

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momand2kids
momand2kids Member Posts: 1,508

Hi

a colleague has recently been diagnosed with triple positive bc.  Is there a standard chemo they use for this? I see alot of TCH, but then I see AC/Taxol... just wondering what the general concensus is or is it very individual?

thanks

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  • cbm
    cbm Member Posts: 475
    edited April 2011

    I had triple positive breast cancer, a mixed tumor ( a little of this and a little of that), in 2008, and I had 4XAC 12XT(Taxol)H, followed by 2 years of Herceptin.  I was Stage 2 Grade 2 and had a bmx with one big lymph node.  

    There was a trial underway to compare TCH with ACTH, because the Adriamycin is added toxicity and the Herceptin is your major player if you are Her2 positive.  I was told in 2009 that the study trend lines converged and there is (was at that time) little difference in the efficacy of the two treatments.  However, the study was not complete but may be now.

    I believe that doctors have their own opinions on one course or another based on the patients they see, age, lifestyles, and other things they don't always tell us in detail.  I think that because my tumor was mixed and my er/pr both 90%, the adriamycin was preferable because it's the old reliable general cancer cell killer.  Today, the treatment might be more selective.

    Warmly,

    Cathy 

  • orange1
    orange1 Member Posts: 930
    edited April 2011

    It is almost always either TCH or AC TH.  For earlier stage, many institutions are moving more torwards TCH.  For later stage it seems about equally divided between TCH and AC TH. 

    Relative to AC TH, TCH is considered easier to tolerate, easier on the heart (altough heart damage is almost always reversible) and no risk of leukemia.  AC TH may achieve a small (non-statistically significant) improvement in relapse prevention but with a worse SE profile.

    TH (with no AC) is being tested for early stage now.  Results are not available yet.  Occasionally docs will give something else, but its pretty rare.

  • pejkug3
    pejkug3 Member Posts: 902
    edited April 2011

    AC-T was recommended for me at Mayo.  4 rounds of AC, followed by 12 rounds of Taxol.

    I'm presently doing TCH X 6. 

    I asked my onc why the different protocol.  He said that chemo drug choice is somewhat regional.  And that Mayo typically recommends AC-T.  But he preferred TCH because of the reduced cardiotoxicity and the leukemia risk.  I'm 35 and have a good number of years ahead of me!  He said that he would give me AC-T if I really wanted it - it would be a reasonable procotol.  He said that oncologists sit in board rooms and argue this very point.  AC-T is 1-2% more effective, but to him the benefit didn't outweigh the risks associated with it.

  • momand2kids
    momand2kids Member Posts: 1,508
    edited April 2011

    thanks so much---this is helpful.  did any of you work with an onc who had special HER2 knowledge?  it seems in my research that some oncs are specializing in that direction--- we are in the Northeast..have a lot of good options--wondering if I should suggests oncs who have a HER2+ interest or does it really matter?

  • suzieq60
    suzieq60 Member Posts: 6,059
    edited April 2011

    I had TCH x 6 as my onc said they use AC-TH for node positive patients only

  • saralmom
    saralmom Member Posts: 329
    edited April 2011

    I had AC TH - and my onc and my second opinion onc both said it is still the stadard of care with positive nodes.  (May have changed by now even).

  • orange1
    orange1 Member Posts: 930
    edited April 2011

    I wouldn't think a specialist in Her2+ is necessary for non-metastatic BC.  The treatments are so standard, and Her2+ is prevalent enough (15-20% of BC), that just about all oncs who treat BC should have plently of experience administering these protocols.

  • pejkug3
    pejkug3 Member Posts: 902
    edited April 2011

    I had one positive node (3mm) and I'm having TCH X 6...

  • leftfootforward
    leftfootforward Member Posts: 1,726
    edited April 2011

    I am ER/PR- and HER2+. I am on the AC TH regimen.   I think the other thing to consider is that because  she is hormone positive (ER/PR +) she will most likely have other drugs to take besides chemotherapy.  

    best wishes to your coleague.

     

  • momand2kids
    momand2kids Member Posts: 1,508
    edited April 2011

    Thanks so much all.  Have any of you heard of a clinical trial that tests just using taxol and herceptin?

  • ma111
    ma111 Member Posts: 1,376
    edited April 2011

    Taxol and Herceptin is approved for metastic Her2+ already. My onc puts people on that. He has one patient that has been alive for over 10 years and she's on that now.

    I think the difference with Ac v/s TCH is the stage and er/pr- or+. The er- is harder to treat and more agressive warrenting a harsher chemo (TC) and Herceptin is a standard for Her2+. The TC causes neuropathy that can be permanant.

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