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In the US, Pirfenidone (pirfenidone systemic) is a member of the drug class miscellaneous uncategorized agents and is used to treat Idiopathic Pulmonary Fibrosis.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Anti-inflammatory agent

Antifibrotic agent

Treatment of idiopathic pulmonary fibrosis

Chemical Names

5-Metyl-1-phenyl-1-H-pyridin-2-one (JAN)

5-Metyl-1-phenyl-2(1H)-pyridone (WHO, USAN)

Foreign Names

  • Pirfenidonum (Latin)
  • Pirfenidon (German)
  • PirfĂ©nidone (French)
  • Pirfenidona (Spanish)

Generic Names

  • Pirfenidone (OS: USAN, JAN, BAN)
  • AMR-69 (IS)
  • S-7701 (IS)
  • Pirfenidone (PH: BP 2018, Ph. Eur. 9)

Brand Names

  • Esbreit 267mg
    Roche, Luxembourg
  • Esbreit 801mg
    Roche, Luxembourg
  • Esbriet
    AndersonBrecon, Georgia; Catalent, Russian Federation; Genentech, United States; Hoffmann-La Roche, Canada; Intermune, Cyprus; Intermune, Poland; Roche, Argentina; Roche, Belgium; Roche, Brazil; Roche, Czech Republic; Roche, Germany; Roche, Denmark; Roche, Estonia; Roche, Spain; Roche, Finland; Roche, France; Roche, Croatia (Hrvatska); Roche, Ireland; Roche, Lithuania; Roche, Latvia; Roche, Norway; Roche, New Zealand; Roche, Oman; Roche, Sweden; Roche, Turkey; Roche Products, Australia; Roche Products, United Kingdom; Roche Registration, Netherlands; Roche Registration, Romania; Roche Registration Limited, Iceland; Roche Registration Ltd, Greece; Roche Registration, Slovenia
  • Esbriet 267 mg
    Roche, Hungary
  • Esbriet 267mg
    Haemato Pharm, Austria; Roche, Israel; Roche Registration, Austria; Roche Pharma Schweiz, Switzerland
  • Esbriet 534mg
    Roche Pharma Schweiz, Switzerland
  • Esbriet 801mg
    Roche Pharma Schweiz, Switzerland
  • Esgrinil
    Raffo, Argentina
  • Fibridoner
    Dosa, Argentina
  • Misofagan
    Tuteur, Argentina
  • Oxitinol
    LKM, Argentina
  • Performa
    Bago, Argentina
  • Pirespa
    Shionogi Seiyaku, Japan
  • Pirfect
    Nobel, Turkey


BANBritish Approved Name
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.