To estimate the relative risk of ILD in advanced/recurrence NSCLC patients treated with gefitinib as compared to other chemotherapy treatment, and to assess the risk factors for ILD in advanced/recurrence NSCLC patients undergoing treatment
To provide an estimate of the incidence of ILD in a group of advanced/recurrence NSCLC patients undergoing treatment
Enrollment
6,000 estimated patients
Sex
All
Volunteers
No Healthy Volunteers
Inclusion criteria
Advanced/recurrence NSCLC patients who have had one or more chemotherapy regimens.
Patients who are to be treated with gefitinib or chemotherapy
Cohort: All advanced/recurrence NSCLC patients participating in this post-marketing clinical study
Exclusion criteria
Patients judged by the investigator(s) to have ILD (provisional cases) among those registered in the cohort OR Randomly selected patients without ILD (controls) for each provisional case
Case-control study: Patients enrolled in the case-control study; all consenting patients with ILD as cases and approximately 4 times as many consenting patients without ILD as controls randomly selected from the cohort