A Study of Atezolizumab Plus Carboplatin and Etoposide With or Without Tiragolumab in Patients With Untreated Extensive-Stage Small Cell Lung Cancer
Conditions
Interventions
- DRUG: Tiragolumab
- DRUG: Atezolizumab
- DRUG: Carboplatin
- DRUG: Etoposide
- DRUG: Placebo
Sponsor
Hoffmann-La Roche