4 vs. 6 Taxotere/Carboplatin Infusions?
Hello. I am looking to see if anybody has done 4 infusions of Taxotere/Carboplatin vs. 6. My MO said we will do 4 and see how it goes, but she would like me to do 6 if possible. I am interested in knowing why people chose 4 over 6, and also who chose 6 vs. 4 and why. I am wondering if my tumor stats put me in a gray area. I was also borderline Her2, and it was left up to me to do Herceptin. MO said she would do it, but said it was my choice. The tested my tumor through three different levels of testing, and finally came up with a decision I could potentially benefit from Herceptin, but should be monitored.
Thanks in advance!
Comments
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Italy Chick. I did 4 x TC and H for a year. I think my MO thought 4 was sufficient in the event there were any rogue cancer cells but my good margins and no nodal involvment likely played a roll too.
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There are a number of criteria that determine whether to do four or six infusions. Tumor size and grade, nodal status, and hormonal receptors all factor in to whether there is benefit from the two additional treatments. Some oncs feel that those receiving Herceptin could benefit from six because it is thought that Herceptin and the taxane work synergistically so maximizing the number of Herceptin infusions that can combine both is a good thing. Some have to stop infusions at four due to side effects that are too deleterious - the cost/benefit ratio becomes the decision maker. For those who are ER/PR-, having six infusions may be the plan since there is no hormonal therapy available adjuvently, so using any and all available therapies may be advantageous.
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Thanks. Do you have any article links you can point me to? I have looked at the issue by doing innumerable searches, and have been unable to locate anything definitive. I do see a November 2014 article talking about a synergistic effect, but the issue is a hard one to research.
Thank you
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Thanks Myleftboob. I suspect my ER negative status may be the driving factor since I had no nodal involvement and wide margins. The surgeon took out 8 x 8 x 4 cm. for a 1.3 cm growth. I told her be very generous with tissue removal. I guess she took me literally. I also had every scan available. All came out clean
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Italy - I am also thinking six over four because you are not receiving an anthracycline (Adriamycin), which is more common with ER/PR- patients. I don't think you will really find much in the way of trial or study data regarding differing numbers of infusions, I don't think it has been looked at that closely. I feel like most of the decisions for four infusions are made due treatment SEs, or because the onc feels that there is less potential benefit due to tumor size and clear nodes. The NCCN guidelines (linked below) show TC for 4 cycles as an accepted regimen for Her2- stage I & II tumors on page 42, but for Her2+stage I&II, which technically you are being treated for despite the borderline test result, the regimen is for 6 cycles on page 44.
http://www.nccn.org/patients/guidelines/stage_i_ii_breast/index.html#46
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Thanks for the link. My MO only said six is the standard of care, but I am the person who always wants to know why lol. The weird part is the Herceptin was viewed as my choice, but if I didn't do it, then she wanted four rounds of Taxotere/Cytoxan, but six rounds of Taxotere/Carboplatin. And since both Carboplatin and Cytoxan seem to work by the same mechanisms, I don't understand the different recommendations. I want to do what is necessary but not over treat, if that makes sense
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Just like a dog chasing its tail - the SOP is usually based on trial data, and what may well be true is that the trial data were for 4 Taxotere Cytoxan, and 6 Taxotere Carboplatin, but we can't find trial data of a head to head of those two regimens! Typical! You make total sense not to want to overtreat, and maybe the best choice is to do 4, and reassess - if you are hanging in, keep going. I did 6 TCH, but I had a larger than 2cm mass, was node positive, and most definitely Her2+++, so for me the road was clear cut. I think the reason Cytoxan is usually limited to 4 doses - as it is when combined with Adriamycin in DD infusions - is that it is somewhat more toxic than Carboplatin, which is excreted more readily, and better tolerated for 6 infusions.
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Thanks for the insight. Did you find doses 5 and 6 to be more problematic, or about the same as 1-4? So far my only real side effect has been burnt coffee mouth and funky guts for a few days. I have been able to exercise, eat, do everything normal, and by about 1 week post treatment I don't feel like I am on chemo except for hair loss and I'm a little slower riding my bike. I guess my biggest concern is that the consensus seems to be rounds 5 and 6 are much more difficult. But since you have been there, you would know
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Italy - round 1 was tough, but I had five surgeries before I ever started chemo, which included BMX with TE, complete axillary clearance, then 2 skin excisions, and then the removal of my left expander, so I was trashed going in. Rounds 2 & 3 were much easier, but I think it was because I was farther out from the surgeries. Round 4 I was tired - but ok, had figured out how to manage the SEs. Round 5 was my worst, but I attended a wedding two days after my infusion and had company - I did too much, and really fatigue was my worst SE. After each of the first five rounds I had at least a week of the Big D, so I worked around it by arranging not needing to leave the house except for Neulasta and a blood draw - it was enough to keep me home where I was comfortable, but not severe enough to need extra IV fluids or even meds. I managed it with diet and my own hydration. Round 6, I waited - and nothing - felt great - no D (yay!), although tired! So, for me, round 1 & 5 were the worst, but without the wedding I think 5 would have been ok. My subsequent Herceptin only infusions were easy-peasy, except they sped up my first H only to 30 minutes (it had been 90 when combined with chemo) and I had awful bone pain for several days - and I had never had any at all with chemo. I asked to slow the infusions back to 90 minutes - problem solved. I did return to work less than 30 days after my last chemo, but only stayed a month due to needing more surgery, fills, PT - so I resigned. I was dealing with patient care and did not feel like I could devote my full attention and didn't want to risk making a mistake, plus the department I worked in was crisis driven and pretty chaotic. I never suffered from any cognitive issues, or what I would consider any serious SEs, throughout chemo though. I attended a weekend-long birthday party out of town three weeks after round 6 - no problems.
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SpecialK, great to know. So I guess I just keep chugging through these treatments and hope I don't get any additional side effects.
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Italy - that is what I would do in your shoes, knowing that if you encounter issues you have the option of stopping. You have done very well, so keeping fingers crossed that continues for you! It is common for fatigue to increase the farther you go so don't be surprised if that happens - just pace yourself, and many have some burning or muscle fatigue - particularly lower body, and sometimes previously normal activities will make you out of breath quicker. This is a result of decreased hemoglobin - your muscles are not receiving oxygen as readily, and this is a normal side effect since blood cells are affected. I recommend upping protein intake to help your body manufacture more red blood cells. This feeling improves right about the six week PFC mark, most see a dramatic increase in energy and a lessening of any burning muscles in their legs.
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Hi Ladies and thank u Italy for starting this conversation. I have CHT #5 coming next week. I fast 3 days prior and it helps me avoid the big SE's such as fatigue, nausea and keeps my blood count numbers high. Although I am HATING it, my mo says I'm tolerating it extremely well. I do get other SE's that I suppose are manageable but lasting longer with each infusion.
Re your funky guts, I think I have the same in that it make digestive system sluggish. So food actually hurts and I have to eat soft/bland. I ate a salad the early eve after last chemo n was SICK. This also makes me constipated bec system is slow. I take probiotics and it helps. It all starts with belching. That's when I know to pop my probiotics n eat pb yogurt. This also gets my bowels back in shape.
Meanwhile last week I broke out in HIVES! Sooo gross. Also have some neuropathy. MO is saying time to lower doseage. I am saying time to STOP! I'm willing to do 5 but not 6. Of course I don't want to undermine my treatment but I'm concerned about the damage. Secretly I'm gonna see how I do with the lower dose #5 and if ok do the 6. But if she says ok to 5 only then I'm bowing out early.
I'm ER/HER2+ Grade 3, clear margins, 'considered' node neg/micro metates in one which were removed. I get why u were given the option. But also feel that your MO should have provided u all the info you're doing your due diligence to research so that u can make the best decision for yourself. So I suggest you ask her to provide it to you.
Thanks again bec I have been on the cusp trying to figure out what to do. Also! U had scans! Is that typical protocol? I was wondering how they know it hasn't spread already or do they assume not based on nodes. This is part of the uncertainty that scares me.
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Hi Italy. I did 6 TC treatments as I am strongly Her2+ and had one node involved. I am currently continuing with Herceptin only treatments through the end of October. My 'worst' treatment was #4. #5, was actually not too bad. But I think that was partially due to my MO lowering my steroid dose for the last two treatments. That really helped to ease my GI symptoms. The main thing I remember about #6 is that the fatigue hit me stronger and lasted longer. I still have some residual joint and muscle pain 11 weeks PFC, but I don't know if that would have been different had I only had 4 TC treatments.
Good luck with your decision! This forum is a great place for questions as there are so many knowledgeable Ladies here.
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Amylsp, thank you. I have #4 on Wednesday, so hopefully all will go well.
MaryJC, I had a PET scan, an MRI, and a bone scan. I'm not sure how my doctors got everything approved, but they did. I realize that scans can't detect small areas of cancer, but my scans actually picked up everything in my body. I have one vertebrae in my back that shows I had an injury to it at some point in my life because it has some signs of wear at the edges. They were also able to say they did not detect any arthritis in my body, which I guess is a good thing since I am 53. Also, I had a cold, and the PET scan detected slight mucosal thickening in my sinuses and a slightly swollen lymph node in my neck associated with my cold. So they seemed to be pretty detailed. But I know that doesn't guarantee that no cells have escaped. But I also had no lymph or vascular invasion, no comedonecrosis, so I am hopeful that nothing got out. I won't lie, the PET scan scared the hell out of me, was probably the scariest test I did. But my surgeon knew that, and she called me the same night of my scan, I could have kissed her.
My MO said she is going to scan me again once chemo is finished.
I will ask about lowering the steroid dosage, good tip from everyone.
And salad, forget it! I ate one in the four day period post chemo and thought I was gonna die.
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omg why is something line salad forbidden! I making a broth soup now. The veggies are super soft. I am sure the scan is scary as hell!!! I had a ct of the chest as work up for something else and all this stuff came up in my lungs!! Said nodules. I FREAKED OUT!!! Turns out it was old bronchitis infection. I would like to do a scan one day. It would relieve me of a lot. I have white coat hypertension. I cannot imagine my BP day of and following until I get results. Plus I can view my results via iPhone app after the dr releases it.But it's more nerve racking I find.
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I was afraid of the scan, and my MO said Theresa, whether I scan you or not, it doesn't change the outcome, so if things are there, they are there, whether you know it or not. The scans allow me to make sure I am doing the best treatment for you. Which makes sense, but doesn't change the scary factor. I figured since I had already been whacked in the face several times already, just get all the scary stuff over with all at once.
The 4 vs. 6 issues is really hard to figure out, and I guess most other people haven't figured it out either since there haven't been many posts related to my question. Sigh.
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I'm gonna inquire about a scan. I'm sure Onc will say it's not necessary. Or that ins won't approve based on Dx. But I imagine it would be at some point as my treatment is to prevent recurrence.
You do have a tough decision bec u wanna be at peace with it and not haunt you. Perhaps see how u feel after 4 or just do 5 which is a compromise.
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It is tough. I have already decided against radiation (eek!), and I don't want too many regrets if I do recur. But from what I have seen about recurrences, you can do every treatment available and still recur. There doesn't appear to be any rhyme or reason to this process. Worst case, I guess I can get a reduced dosage for chemo 5 and 6. So now I have to figure out the value of full dosage vs. reduced.
Sometimes scans get provided if you have any symptoms to warrant a scan, such as ongoing abdominal pain, etc. I don't know how my doctors got my scans approved. Maybe because of age and negative receptors?
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Italy - what is making you decide against rads? Is it something specific? Have you had a consult with a RO and asked about your individual percentage of risk reduction - or about Canadian Protocol rads for a shorter time period? I think you are correct in thinking that your ER/PR- is what bought your ticket to the scan. The lack of adjuvant treatment means they need a true picture for treatment planning.
One thing I wanted to mention is for anyone noticing neuropathy - I took 30g of L-Glutamine and a B6 capsule daily during chemo to try to minimize neuropathy - I had numbness and tingling of hands/fingers, feet and weirdly, my tongue, which resolved after each treatment until the halfway point. The numbness stayed but I kept taking the supplements and within about 90 days of finishing it was gone. This was very mild and did not keep me from doing anything except wearing very high heels for long periods.
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My decision against rads is based on prior lifetime exposure for other issues.
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OK - that makes sense. We all have to weigh the pros and cons of each aspect of treatment. I did not have rads either - I had ALND, and asked both my BS and MO if I needed rads - both said no. Twice, because I asked each of them again at a later point to see if I would get a different answer, lol! I was happy they were consistent with each other, and by themselves. I had a discussion with a RO at an NCI center a couple of years later while at a consult with a friend and he said he would have recommended with my stats. There is no one right way to do any of this.
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My MO recommended 6 DD Taxotere/Cytoxin because I was triple negative, 1 cm, no nodes. If I hadn't been triple negative, she said I could have done 4. I had a little trouble with fevers, but managed to work almost full time through treatments, once had to delay chemo for a week because of a fever. Otherwise, not too bad.
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Special K thanks for the info on neuropathy. I'm praying it does resolve for me too. I do t have L-Glu but a B complex which has the 6. I grew weary of pill popping at times and now is one bec I need to eat with my supplements. Not big on eating bec of funky guts. I recently put my supps back in my pill dispenser. Guess I'll add yet another. Also R and L-acetyl Cartinine and Alpha Lupotic Acid resolves neuropathy. But I've read that as an anti-oxidant can give cancer cells an escape channel (?) Meanwhile Sloan Kettering offers low cost acupuncture at $50 after initial consult. I'm looking fwd to that!
Thanks! You're very encouraging. A much needed voice in this world.
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Thanks Elindy. The part I found strange is if I had elected to do Taxotere/Cytoxan, the recommended treatment was for four cycles. But changing Cytoxan to Carboplatin and Herceptin meant the number of treatment rounds changed to six cycles, which is the standard of care.
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maryjc - I took acetyl l-carnitine during chemo (in 2011) but it is no longer recommended during chemo based on some studies more recently completed. I have continued to take it after chemo also for the brain benefits. Take the L-glutamine in powder form - I did 10g 3 times a day - dissolved in a cold drink. Don't mix the powder with food - trust me on this, lol!
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lol ok mama I will take your advice! Meanwhile you're a testimony but worried the little I did take may have done damage :
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maryjc - don't worry - the doses in the studies were pretty big, it is doubtful that anything you took could do harm. I took 1500mg, but later research indicates that is more than the body can absorb at any given time, the optimal dose is 500mg. The study doses with negative effect were 3,000mg - which is a boatload!
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Interesting. Looks like acetyl l-carnitine can actually make chemo induced neuropathy worse.
http://www.ncbi.nlm.nih.gov/pubmed/23733756
Send to:
J Clin Oncol. 2013 Jul 10;31(20):2627-33. doi: 10.1200/JCO.2012.44.8738. Epub 2013 Jun 3.
Randomized double-blind placebo-controlled trial of acetyl-L-carnitine for the prevention of taxane-induced neuropathy in women undergoing adjuvant breast cancer therapy.
Hershman DL1, Unger JM, Crew KD, Minasian LM, Awad D, Moinpour CM, Hansen L, Lew DL, Greenlee H, Fehrenbacher L, Wade JL 3rd, Wong SF, Hortobagyi GN, Meyskens FL, Albain KS.
Author information
Abstract
PURPOSE:
Chemotherapy-induced peripheral neuropathy (CIPN) is common and leads to suboptimal treatment. Acetyl-L-carnitine (ALC) is a natural compound involved in neuronal protection. Studies have suggested ALC may be effective for the prevention and treatment of CIPN.
PATIENTS AND METHODS:
A 24-week randomized double-blind trial comparing ALC (3,000 mg per day) with placebo in women undergoing adjuvant taxane-based chemotherapy was conducted. The primary objective was to determine if ALC prevents CIPN as measured by the 11-item neurotoxicity (NTX) component of the Functional Assessment of Cancer Therapy (FACT) -Taxane scale at 12 weeks. Secondary objectives included changes in 24-week end points, functional status (FACT-Trial Outcome Index [TOI]), fatigue (Functional Assessment of Chronic Illness Therapy [FACIT] -Fatigue), and NTX grade.
RESULTS:
A total of 409 patients were evaluable (208 received ALC; 201, placebo). In a multivariate linear regression, week-12 scores were 0.9 points lower (more CIPN) with ALC than placebo (95% CI, -2.2 to 0.4; P = .17), whereas week-24 scores were 1.8 points lower with ALC (95% CI, -3.2 to -0.4; P = .01). Patients receiving ALC were more likely to have a > 5-point decrease in FACT-NTX scores (38% v 28%; P = .05), and FACT-TOI scores were 3.5 points lower with ALC (P = .03). Grade 3 to 4 neurotoxicity was more frequent in the ALC arm (eight v one). No differences between arms were observed for FACIT-Fatigue or other toxicities. Serum carnitine level increased with ALC but remained stable with placebo.
CONCLUSION:
There was no evidence that ALC affected CIPN at 12 weeks; however, ALC significantly increased CIPN by 24 weeks. This is the first study to our knowledge showing that a nutritional supplement increased CIPN. Patients should be discouraged from using supplements without proven efficacy.
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Italy - in those big doses, the study cited used 3000mg, which is a lot. Optimal dosing is 500mg a day.
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I just started this regime on 4/24. It's no joke. The burnt mouth is the worse. I also feel fuzzy!!!!! I don't think I can make all 6
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