Answer
Periodic liver function testing is recommended during gefitinib treatment because liver test abnormalities have occurred, uncommonly presenting as hepatitis, and isolated hepatic failure cases have been reported, some with fatal outcomes.
Sources for this answer
- Iressa 250mg film-coated tabletsAstraZeneca UK Limited · emc · SmPC §4.4 Special warnings and precautions for use · Version 18Document updated
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