Letrozole aromatase inhibitors

CGS-20267 - CGS 20267 - Fémara - Femara - letrozole

Advanced breast cancer (metastatic)

All type of patients:  7 trials  - Buzdar - Dombernowsky - Mourisden - Gershanovich - Goss - Rose - Tominaga

letrozole vs aminoglutethimide

No demonstrated result

letrozole vs anastrozole

No demonstrated result

suggested objective response (ORR) by 35% (not demonstrated)

letrozole vs atamestane + toremifene

No demonstrated result

letrozole vs fadrozole

No demonstrated result

suggested objective response (ORR) by 58% (not demonstrated)

letrozole vs megestrol acetate

No demonstrated result

suggested vaginal bleeding by 92% (not demonstrated)

letrozole vs tamoxifen

No demonstrated result

diarrhoea by 800% (harmful effect)

suggested objective response (ORR) by 33% (not demonstrated)