Recognizing the rapidly increasing number of drugs targeting specific molecular aberrations in cancer, it is necessary to define rational strategies to make such treatment available to Norwegian cancer patients.These targeted drugs are extremely costly and have significant side effects, although presumably to a lesser extent than many of the classic cytotoxic drugs available. Thus, in the interest of the patient in question and the society in general, it is important to give the right drug to the right patient and to the presumably right time in the disease course.