Letrozole (Femara) used to treat certain types of breast cancer by lowering estrogen production in postmenopausal women and can sometimes be given for other reasons.

Founded in 1986, Aurobindo Pharma is one of the largest pharmaceutical companies in India and distributes around 214 drugs in the U.S. Aurobindo serves more than 150 countries through its range of product offerings. The company has 27 manufacturing sites including in India and the U.S.