Cancer Tumor Marker down 36% in month one!

Finally some good news, because the ZOMETA gave me the worst flu of my life. Here is the news: After three weeks on Kisqali (round 1) and 6 weeks of Anastrozole there is a downward trend in my CA 27-29 tumor marker which is a highly encouraging early sign. YIPPPEEE! In the context of cancer treatment, a rapid drop indicates that the medication is actively working against the cancer cells. However, oncologists generally view this as a positive first step rather than a definitive final result, as tumor markers can fluctuate early on. Why a drop is a great start: The combination of Kisqali (a CDK4/6 inhibitor) and anastrozole (an aromatase inhibitor) is designed to halt the growth of hormone-receptor-positive breast cancer. Seeing your numbers fall so quickly suggests the tumors are sensitive to this combination. Markers are only one piece of the puzzle: While a declining CA 27-29 is a great indicator, oncologists do not rely on blood tests alone. I am working hard with my medical team to create a bigger picture, using regular diagnostic imaging (like CT, PET, or bone scans) to visually confirm tumor shrinkage or stabilization as well. What can I say? I am a data person.

Comments

  1. JoanneSeptember 8, 2026 at 5:01 PM

    Sooo happy for good news!!!

    ReplyDelete
  2. rebekahSeptember 25, 2026 at 7:00 PM

    Very greatful and happy to hear some good news. I love that you are a data person! ;)

    ReplyDelete

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