chemotherapy increases breast cancer metastasis

Yesterday, we blogged about the promising news about preventing breast cancer. Today, our blog is about scary news about spreading breast cancer. And, as usual, the good news is natural health news about a vitamin, and the bad news is conventional health news about chemotherapy. . . .

The main cause of death in women with breast cancer is not the cancer in the breast itself but the spread of the cancer beyond the breast. And chemo, it seems, instead of helping, might make that worse.

Tumour cells can spread through the body by entering the blood stream and using it as a roadway. Entering the bloodstream can be facilitated by a group of cells called tumor microenvironment of metastasis (TMEM). So, the last thing you want to do when treating breast cancer is to increase the amount of TMEM. But that’s exactly what chemotherapy may be doing.

A just published study has found that when women who are given the chemotherapy treatment of paclitaxel following doxorubicin plus cyclophosphamide, they experience increases of TMEM scores in the remaining breast cancers. This disturbing increase suggests, according to the study’s authors, that while chemo may be decreasing the size of the tumour, it is increasing the risk of metastasis.

Since shrinking a tumour does not necessarily correlate with increased survival time, but breast cancer metastasis is the main cause of death in women with breast cancer, this new study’s suggestion is truly concerning.

Science Translational Medicine  2017:9(397):eaan0026


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For much more on preventing and treating breast cancer, see our book The Family Naturopathic Encyclopedia.


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 is intended for educational purposes only and is in no way intended for self-diagnosis or self-treatment. For health problems, consult a qualified health practitioner for a comprehensive program.

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