Letrozole

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Description

Letrozole is an aromatase inhibitor. It works by reducing the total amount of estrogen produced primarily in the body. This helps to starve cancer cells by depriving them of estrogen. RS-COH with letrozole cycle is a reasonable option for fertility preservation in cancer patients for whom the treatment window may be narrow. Also, the use of a letrozole for COH may decrease the potential risk of ovarian hyperstimulation syndrome.Anastrozole can be replaced by letrozole any time during endocrine therapy. The patients taking anastrozole plus letrozole surprisingly seemed to have better OS than patients taking anastrozole alone.Letrozole was more potent in hormonal manipulation than anastrozole.

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