Question

How does letrozole reduce the potential of breast cancer?

Short answer

Letrozole inhibits the production of oestrogen in the body. Oestrogen in the body aids the growth of some breast cancers.

Step-by-step solution

Given information

We need to find that how does letrozole reduce the potential of breast cancer?

Explanation

Letrozole reduces oestrogen production in the body. Oestrogen is a hormone that helps some breast tumours thrive. Oestrogen receptor positive (ER+) breast tumours are the most common. Letrozole is an aromatase inhibitor, which means it works by inhibiting the enzyme that makes oestrogen.