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Stage IV MBC with Type 2 Diabetes

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scarlettx
scarlettx Member Posts: 8

I was diagnosed May 21, 2021 with metastatic breast cancer that has spread to my chest. In addition, I have type 2 diabetes. I've noticed that since starting iBrance and Letrozole my blood sugars are running high. I'm curious if anyone else in the same situation has experienced this as well. I'm also in a clinical trial, so it may be because of the trial med, but it was not listed as one of the side effects.

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  • moth
    moth Member Posts: 3,293
    edited February 2022
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    hi scarlettx, just wanted to welcome you to the board. Sorry you find yourself here. Are your mets to the lung? We have a lung mets thread.

    Seems hormonal therapies can cause diabetes so blood sugar increase makes sense too ... there's a BCO article about it here https://www.breastcancer.org/research-news/link-be...

    Letrozole might be your culprit.

    We also have a clinical trials thread if you want to share what trial you're on. https://community.breastcancer.org/forum/8/topics/...



  • malebreastc
    malebreastc Member Posts: 89
    edited February 2022
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    Scarlettx- I am on Ibrance and Faslodex and have type 2 diabetes, I am on my 3rd cycle, so far stable sugars, but could be early due to 3 cycles only.

  • scarlettx
    scarlettx Member Posts: 8
    edited February 2022
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    Thank you, moth. It hasn't went to my lungs, but it's in my chest cavity on the outside of my esophogus. I will definitely check out the article and the clinical trial forum.

  • scarlettx
    scarlettx Member Posts: 8
    edited February 2022
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    Hi MaleBreastC. So glad your sugars are stable so far, hopefully that continues. I'm on my 7th cycle, things were stable at first, but over the last month/month and a half my sugars are running between 200-300, and I'm on insulin. I haven't changed how I eat, so the meds is all I can think of that it may be. I wish you the best on your journey!

  • spookiesmom
    spookiesmom Member Posts: 8,171
    edited February 2022
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    I’m T2, been on insulin pump about 12 years. Been on ibrance letrozole about 2 years. Haven’t changed diet at all my a1c keeps dropping, was 5.6 last month. Can’t blame the meds.