Can aspirin reduce the chance of breast cancer spread?

Our comment on a study published today discussing the potential effects of aspirin on reducing chance of breast cancer spread and death from the disease.

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An analysis of data from the Nurse’s Health Study, a large, ongoing prospective observational study, shows that women who have completed treatment for early-stage breast cancer and who take aspirin have a nearly 50 percent reduced risk of breast cancer death and a similar reduction in the risk of metastasis.

Meg Macarthur from Breakthrough Breast Cancer says:

“Although these results are interesting, it’s too early to suggest that women should regularly take aspirin to treat breast cancer. More large scale research is needed to confirm these findings and to make clear exactly who would benefit and what the right dose would be.

"Anti-inflammatory drugs like aspirin can have potentially serious side-effects when taken over a long period. Breakthrough encourages women worried about these issues to talk to their doctor before making any changes to their treatment.”

The original report was published in The Journal of Clinical Oncology.