This randomized, open-label study evaluated the safety and efficacy of atezolizumab (an engineered anti-programmed death-ligand 1 \[PD-L1\] antibody) in combination with carboplatin+paclitaxel with or without bevacizumab compared with treatment with carboplatin+paclitaxel+bevacizumab in chemotherapy-naïve participants with Stage IV non-squamous NSCLC. Participants were randomized in a 1:1:1 ratio to Arm A (Atezolizumab+Carboplatin+Paclitaxel), Arm B (Atezolizumab+Carboplatin+Paclitaxel+Bevacizumab), or Arm C (Carboplatin+Paclitaxel+Bevacizumab).
Atezolizumab was administered as IV infusion at a dose of 1200 milligrams (mg) on Day 1 of each 21-day cycle until loss of clinical benefit.
Bevacizumab was administered as IV infusion at a dose of 15 milligrams per kilogram (mg/kg) on Day 1 of each 21-day cycle until progressive disease, unacceptable toxicity, or death.
Carboplatin was administered at area under the concentration-time curve (AUC) 6 milligrams per milliliter per minute (mg/mL/min) on Day 1 of each 21-day cycle for 4 or 6 cycles or until loss of clinical benefit whichever occurs first.
Paclitaxel was administered as IV infusion at a dose of 200 milligrams per square meter (mg/m\^2) on Day 1 of each 21-day cycle for 4 or 6 cycles or until loss of clinical benefit whichever occurs first.
Buenos Aires, Argentina
Buenos Aires, Argentina
Córdoba, Argentina
La Rioja, Argentina
Rosario, Argentina
Santa Rosa, Argentina
Viedma, Argentina