Observations From Long Term Responders in the Gefitinib (Iressa) Expanded Access Program (EAP)
Observational Model: Case-Only, Time Perspective: Retrospective
The following characteristics of the 'long-term responders' from the EAP; gender, ethnicity, smoking history (pack years), EGFR-TK mutation and histology of NSCLC.
Characteristics will be recorded once, retrospectively
Netherlands: Medical Ethics Review Committee (METC)