A drug to prevent breast cancer? One in nine New Zealand women are destined to be diagnosed with the disease in their lifetime, so a lot of people might be keen to get their hands on that. Even better, the drug is inexpensive and readily available.
Except there is a caveat. Anastrozole is an aromatase inhibitor, so stops production of the hormone oestrogen in the body. This class of drug is used currently by women who are in recovery from hormonepositive breast cancer as protection against the cancer returning. A full course of treatment lasts 5-10