Anatomical Therapeutic Chemical • L04AX05 • pirfenidone

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

L03 Immunostimulants

L04 Immunosuppressants

L04A Immunosuppressants

L04AA Selective immunosuppressants

L04AB Tumor necrosis factor alpha (tnf-alpha) inhibitors

L04AC Interleukin inhibitors

L04AD Calcineurin inhibitors

L04AE Sphingosine-1-phosphate (S1P) receptor modulators

L04AF Janus-associated kinase (JAK) inhibitors

L04AG Monoclonal antibodies

L04AH Mammalian target of rapamycin (mTOR) kinase inhibitors

L04AJ Complement inhibitors

L04AK Dihydroorotate dehydrogenase (DHODH) inhibitors

L04AL Neonatal fragment crystallizable receptor (fcrn) inhibitors

L04AX Other immunosuppressants

L04AX01 azathioprine

L04AX02 thalidomide

L04AX03 methotrexate

L04AX04 lenalidomide

L04AX05 pirfenidone

L04AX06 pomalidomide

L04AX07 dimethyl fumarate

L04AX08 darvadstrocel

L04AX09 diroximel fumarate

M Musculo-skeletal system

N Nervous system

P Antiparasitic products, insecticides and repellents

R Respiratory system

S Sensory organs

V Various