Gefitinib Dosage

Generic name: gefitinib
Brand name: Iressa
Dosage form: oral tablet (250 mg)
Drug class: EGFR inhibitors

Medically reviewed by A Ras MD.

Recommended Adult Dosing

Dosage forms: TAB: 250 mg

[250 mg PO qd]

Info: for pts w/ EGFR exon 19 deletions or exon 21 (L858R) substitution mutations

CrCl >20: no adjustment; CrCl <20: not defined

HD/PD: not defined

[impairment assoc. w/ liver metastases]

moderate impairment: no adjustment; severe impairment: not defined

[impairment not assoc. w/ liver metastases]

mod-severe impairment: caution advised

SRC: NLM .