Anastrozole

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. Exemestane and anastrozole appear to offer benefit for postmenopausal woman at high risk for invasive breast cancer and are well tolerated. When present first-year data from a direct comparison of anastrozole and letrozole for height augmentation in short pubertal boys. Letrozole was more potent in hormonal manipulation than anastrozole. First-year growth velocities were comparable, but improvement in PAH was greater in the anastrozole group.