Breast cancer risk and aspirin use - report from the National Cancer Institute

Nonsteroidal anti-inflammatory drugs and breast cancer risk in the National Institutes of Health-AARP Diet and Health Study

Gretchen L Gierach, James V Lacey Jr, Arthur Schatzkin, Michael F Leitzmann, Douglas Richesson, Albert R Hollenbeck, Louise A Brinton
Breast Cancer Research 2008, 10:R38 (30 April 2008)
Available online through breast cancer research

Conclusions
Breast cancer risk was not significantly associated with NSAID use, but daily aspirin use was associated with a modest reduction in ER-positive breast cancer. Our results provide support for further evaluating relationships by NSAID type and breast cancer subtype.

This story hit the headlines in the USA last night, with several analyses on NBC news. Overall the reaction and advice was sensible, but yet again we will have more questions to answer when we see our patients this week