MedicalTerminology DB

Meaning of ZD1839: A drug that is used to treat certain types of non-small cell lung cancer and is being studied in the treatment of other types of cancer.

Definition of ZD1839

A drug that is used to treat certain types of non-small cell lung cancer and is being studied in the treatment of other types of cancer. It is a type of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor. Also called gefitinib and Iressa.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.