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Femara® - The brand name for the generic drug letrozole, Femara® is a type of hormone therapy used to treat hormone receptor-positive metastatic or locally advanced breast cancer in postmenopausal women. Femara® is indicated primarily for adjuvant (following surgery) treatment, or for extended adjuvant treatment, of early stage breast cancer in postmenopausal women who are within three months of completing five years of tamoxifen therapy.
An aromatase inhibitor, Femara® works by blocking an enzyme (aromatase) responsible for estrogen production in postmenopausal women. With less estrogen in the body, some breast cancers can no longer grow. Femara® is taken by mouth.
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