Switching from anastrozole to exemestane: Anyone made this switch?

Posted by reginacrick @reginacrick, Jun 1 1:27pm

My oncologist switched me from Anastrozole to Exemestane.. anybody familiar with this medicine? Side effects? I’m always scared to switch meds.

Interested in more discussions like this? Go to the Breast Cancer Support Group.

@reginacrick

Thank you so much!! I feel better about it now!!❤️❤️

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You're welcome! ❤️❤️

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@thora902

I am on Exemestane and my oncologist told me to be careful of phytoestrogens. I said doesn't the AI block estrogen? And he said no, Exemestane does not block estrogen, it only keeps your body from making it. Has anybody else been told this? I am concerned because all the healthy foods contain phytoestrogens: beans, legumes, whole grains, broccoli, cabbage, kale, fruits, flax seed, etc. I am also taking chamomile as a sleep aid - and there is a warning on the MSK website saying that people with hormone sensitive cancer should not be given this.....

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AIs prevent body from making estrogen. Exemestane is steroidal and irreversible, so it tends to have long term effect compared to Anastrozole. I will ask my onco about photoestrogen effect in breast cancer. I found this article about this article about phytoestrogen effect on breast cancer, the conclusion is particularly interesting. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9776930/
I also remember reading some where that low breast cancer in Asia is linked to high consumption of soy.
" In conclusion, in this review, none of the selected studies found statistically significant adverse effects of soy consumption on BC recurrence or mortality (specific or all-cause). Almost all studies showed beneficial effects of soy isoflavone intake, in variable ways, on BC recurrence and mortality. These results coincide with other recent works and suggest that soy isoflavone intake is safe for BC survivors.

However, in order to confirm the current results, larger studies are needed. Future research should have larger sample sizes, more accurate assessments of soy isoflavone intake (and total phytoestrogen intake), better control of confounding factors, and longer follow-ups."

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Anastrozole
How high does the breast cancer risk score have to be for this drug to be recommended?

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I believe it is recommended treatment for all hormone positive breast cancers.

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@rosa1935

I was switched from Anastrozole to exemestane a year ago after being in Anastrozole for 2 years. Unfortunately the Anastrozole caused damage to my back so I can’t say for definite exemestane is better or worse than Anastrozole. From what I know from other people, exemestane is easier on the body than Anastrozole. By the way, I take this every second day. Go on YouTube and put in Exemestane every second day. There is an oncologist on there that says that he sees no problem with women who have bad interactions with AI, to refit to every second day. Have a look.

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Glad you mentioned you take it every other day because Exemestane takes 50 hours to eliminate from your body.

A natural aromatase inhibitor is mushrooms.
Research Lions Mane and combinations in powder or capsule form.

Also see Chris Beats Cancer and other integrative and holistic ways to fight cancer.

Research Genuine Essiac Tea.
https://genuineessiac.com/pages/aabout-us
Research Sir Jonathon Winters Tea
https://www.sirjasonwinters.com/
Watch the interview wit Chris Wark
Both have helped cancer patients.

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@ebtexas55

Glad you mentioned you take it every other day because Exemestane takes 50 hours to eliminate from your body.

A natural aromatase inhibitor is mushrooms.
Research Lions Mane and combinations in powder or capsule form.

Also see Chris Beats Cancer and other integrative and holistic ways to fight cancer.

Research Genuine Essiac Tea.
https://genuineessiac.com/pages/aabout-us
Research Sir Jonathon Winters Tea
https://www.sirjasonwinters.com/
Watch the interview wit Chris Wark
Both have helped cancer patients.

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I’ve just been on a call to to a centre to get me on the list for physiotherapy. After all the questions I was asked, it’s clear that my back pain is from Anastrozole and started just after I began taking the meds. This weekend has been horrendous with pain. I had mri last July and results of that were normal wear and tear on my back. I was worried in case there was secondary cancer.

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@rosa1935

I’ve just been on a call to to a centre to get me on the list for physiotherapy. After all the questions I was asked, it’s clear that my back pain is from Anastrozole and started just after I began taking the meds. This weekend has been horrendous with pain. I had mri last July and results of that were normal wear and tear on my back. I was worried in case there was secondary cancer.

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It sounds a bit typical. It found a vulnerable place. Consider Exemestane.
And if your backs a problem consider redlight therapy.

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@ebtexas55

It sounds a bit typical. It found a vulnerable place. Consider Exemestane.
And if your backs a problem consider redlight therapy.

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Thank you. Haven’t heard of this therapy

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@rosa1935

Thank you. Haven’t heard of this therapy

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I am 61, I am currently on Exemestane. Anastrozole did NOT agree with my body … many many side effects-literally out me in a tailspin mentally and physically. I started exemestane- and had a lot better luck. I
Did end up taking a little vacation from it due to bad hand joint aches( I ended having mild arthritis), insomnia and more fatigue .I have started acupuncture over a month ago and have NO side effects- it has been a blessing . I also do yoga(a few types), walk or swim.

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@celestebradham

I am 61, I am currently on Exemestane. Anastrozole did NOT agree with my body … many many side effects-literally out me in a tailspin mentally and physically. I started exemestane- and had a lot better luck. I
Did end up taking a little vacation from it due to bad hand joint aches( I ended having mild arthritis), insomnia and more fatigue .I have started acupuncture over a month ago and have NO side effects- it has been a blessing . I also do yoga(a few types), walk or swim.

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My oncologist refused to change my meds from Anastrozole to Exemestane. I got rid of him and got prescription changed.

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