METHODS OF ADMINISTERING AN EGFR INHIBITOR

Disclosed are methods of treating a patient having cancer with an EGFR inhibitor requiring an active step of avoiding or modifying the co-administration of such drugs with P-gp modulators. This invention also relates to a medicament for treating a patient having cancer, comprising an EGFR inhibitor as the active product ingredient, customized for avoiding co-administration with P-gp inducers and/or inhibitors by an instruction added to the medicament or the package containing said medicament.