Anatomical Therapeutic Chemical • L02BG04 • letrozole

A Alimentary tract and metabolism

B Blood and blood forming organs

C Cardiovascular system

D Dermatologicals

G Genito urinary system and sex hormones

H Systemic hormonal preparations, excluding sex hormones and insulins

J Antiinfectives for systemic use

L Antineoplastic and immunomodulating agents

L01 Antineoplastic agents

L02 Endocrine therapy

L02A Hormones and related agents

L02B Hormone antagonists and related agents

L02BA Anti-estrogens

L02BB Anti-androgens

L02BG Aromatase inhibitors

L02BG01 aminoglutethimide Indicated for: Cushing syndrome; breast cancer

L02BG03 anastrozole Indicated for: breast cancer

L02BG04 letrozole Indicated for: breast cancer

L02BG06 exemestane Indicated for: breast cancer

L02BX Other hormone antagonists and related agents

L03 Immunostimulants

L04 Immunosuppressants

M Musculo-skeletal system

N Nervous system

P Antiparasitic products, insecticides and repellents

R Respiratory system

S Sensory organs

V Various