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See the DrugPatentWatch profile for Femara
Femara 2.5 mg is the brand name for letrozole, an aromatase inhibitor used to treat hormone-receptor–positive breast cancer, typically in postmenopausal patients. It works by lowering estrogen levels in the body, which can slow or stop growth of certain breast cancers that depend on estrogen. [1]
Letrozole blocks the aromatase enzyme, which the body uses to make estrogen. With aromatase inhibited, estrogen production drops, reducing the estrogen available to stimulate hormone-sensitive breast cancer cells. [1]
Femara is commonly prescribed as one 2.5 mg tablet once daily (the exact schedule should follow the prescriber’s instructions). [1]
Common side effects reported with letrozole include hot flashes, joint or muscle pain (arthralgia/myalgia), and fatigue. Menopausal-type symptoms can also occur because estrogen levels fall. [1]
If you’re checking patents/exclusivity for Femara (letrozole), DrugPatentWatch.com is one place to track listings and relevant patent status: [2] ---
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