Skip to Content


In the US, Gefitinib (gefitinib systemic) is a member of the drug class EGFR inhibitors and is used to treat Non-Small Cell Lung Cancer.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Cytostatic agent: Epidermal growth factor receptor tyrosine kinase inhibitor

Chemical Names

4-Quinazolinamine, N-(3-chloro-4-fluorophenyl)-7-metoxy-6-[3-(4-morpholin)propoxy]- (USAN)

N-(3-Chlor-4-fluorphenyl)-7-metoxy-6-[3-(morpholin-4-yl)propoxy]chinazolin-4-amin (IUPAC)

N-(3-chloro-4-fluorophenyl)-7-metoxy-6-[3-(morpholin-4-yl)propoxy]quinazolin-4-amine (WHO)

Foreign Names

  • Gefitinibum (Latin)
  • Gefitinib (German)
  • Gefitinib (French)
  • Gefitinib (Spanish)

Generic Names

  • Gefitinib (OS: USAN, BAN, JAN)
  • ZD 1839 (IS)

Brand Names

  • Gefonib
    Miracalus, India
  • Geftib
    Glenmark, India
  • Iressa
    AstraZeneca, Argentina; AstraZeneca, Austria; AstraZeneca, Australia; AstraZeneca, Bosnia & Herzegowina; AstraZeneca, Belgium; AstraZeneca, Canada; AstraZeneca, Chile; AstraZeneca, China; AstraZeneca, Colombia; AstraZeneca, Czech Republic; AstraZeneca, Germany; AstraZeneca, Denmark; AstraZeneca, Spain; AstraZeneca, Finland; AstraZeneca, France; AstraZeneca, United Kingdom; AstraZeneca, Greece; AstraZeneca, Hong Kong; AstraZeneca, Croatia (Hrvatska); AstraZeneca, Hungary; AstraZeneca, Indonesia; AstraZeneca, Ireland; AstraZeneca, Israel; AstraZeneca, Iceland; AstraZeneca, Italy; AstraZeneca, Japan; AstraZeneca, Lithuania; AstraZeneca, Mexico; AstraZeneca, Malaysia; AstraZeneca, Norway; AstraZeneca, New Zealand; AstraZeneca, Philippines; AstraZeneca, Portugal; AstraZeneca, Serbia; AstraZeneca, Russian Federation; AstraZeneca, Sweden; AstraZeneca, Singapore; AstraZeneca, Slovenia; AstraZeneca, Thailand; AstraZeneca, Taiwan; AstraZeneca, Vietnam
    AstraZeneca, Switzerland; AstraZeneca, Netherlands; AstraZeneca, Romania

International Drug Name Search


BANBritish Approved Name
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld Health Organization

Click for further information on drug naming conventions and 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.