Drug details

Iressa (gefitinib)

type of How Do Antineoplastic EGFR Inhibitors Work?

Iressa (gefitinib) is a tyrosine kinase inhibitor used for the first-line treatment of patients with metastatic non-small cell lung cancer (NSCLC) whose tumors have epidermal growth factor receptor (EGFR) exon 19 deletions or exon 21 (L858R) substitution mutations as detected by an FDA-approved test.

This drug may have the following side effects:
  • vomiting,
  • diarrhea,
  • skin reactions,
  • decreased appetite,
  • nail disorders,
  • inflammation of the mouth lining,
  • eyelid swelling, and
  • dry eye.
The following drugs are related to Iressa, either as a replacement or used together:
  • Alecensa (alectinib capsules)
  • Alimta (pemetrexed)
  • Alkeran (melphalan)
  • Alunbrig (brigatinib tablets)
  • Amnesteem Capsules (isotretinoin)
  • Tabrecta (capmatinib tablets)
  • Claravis Capsules (isotretinoin)
  • Cosela (trilaciclib for injection)
  • Xalkori (crizotinib)
  • Vizimpro (dacomitinib)
  • Xgeva (denosumab)
  • Tarceva (erlotinib)
  • Exkivity (mobocertinib capsules)
  • Hycamtin Capsules (topotecan capsules)
  • Lumakras (sotorasib tablets)
  • Tagrisso (osimertinib tablets)
  • Retevmo (selpercatinib capsules)
  • Tazverik (tazemetostat tablets)
  • Tepmetko (tepotinib tablets)
The following supplements are related to Iressa, and may be used together with the drug:
  • Melatonin (s.)
  • Adenosine (s.)
  • Coriolus Mushroom (s.)