A Study of First-line Maintenance Erlotinib Versus Erlotinib at Disease Progression in Participants With Advanced Non-Small Cell Lung Cancer (NSCLC) Who Have Not Progressed Following Platinum-Based Chemotherapy
Conditions
- Non-Squamous Non-Small Cell Lung Cancer
Interventions
- DRUG: Placebo
- DRUG: Erlotinib
- DRUG: Second-Line Chemotherapy
Sponsor
Hoffmann-La Roche