Afatinib vs Iressa

Afatinib

Iressa

Afatinib is used to treat a certain type of lung cancer (non-small cell lung cancer) that has spread to other parts of the body. It belongs to a class of drugs known as kinase inhibitors. It works by slowing or stopping the growth of cancer cells. It binds to a certain protein (epidermal growth factor receptor-EGFR) in some tumors.

Gefitinib is used to treat lung cancer. It works by slowing or stopping the growth of cancer cells. Gefitinib blocks a certain protein (an enzyme called tyrosine kinase).