Tecemotide Following Concurrent Chemo-radiotherapy for Non-small Cell Lung Cancer

Tecemotide injection will be administered once weekly subcutaneously at a dose of 806 microgram up to Week 8 and from Week 14, every 6 weeks until end-of-trial, or until NSCLC progression.

Matching placebo injection will be administered once weekly subcutaneously up to Week 8 and from Week 14, every 6 weeks until end-of-trial, or until NSCLC progression.

CPA injection will be administered as a single intravenous infusion at a dose of 300 milligram per square meter (mg/m\^2) (to a maximum of 600 mg) 3 days before the first injection of tecemotide.

Matching placebo (saline) injection will be administered as a single intravenous (0.9 percent \[%\] sodium chloride) infusion 3 days before the first injection of tecemotide-matching placebo.