# A Study of Tiragolumab in Combination With Atezolizumab Compared With Placebo in Combination With Atezolizumab in Patients With Previously Untreated Locally Advanced Unresectable or Metastatic PD-L1-Selected Non-Small Cell Lung Cancer

> **NCT04294810** · PHASE3 · COMPLETED · sponsor: **Hoffmann-La Roche** · enrollment: 620 (actual)

## Conditions studied

- Non-Small Cell Lung Cancer

## Interventions

- **DRUG:** Atezolizumab
- **DRUG:** Tiragolumab
- **DRUG:** Matching Placebo

## Key facts

- **NCT ID:** NCT04294810
- **Lead sponsor:** Hoffmann-La Roche
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-03-04
- **Primary completion:** 2025-12-30
- **Final completion:** 2025-12-30
- **Target enrollment:** 620 (ACTUAL)
- **Last updated:** 2026-01-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04294810

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04294810, "A Study of Tiragolumab in Combination With Atezolizumab Compared With Placebo in Combination With Atezolizumab in Patients With Previously Untreated Locally Advanced Unresectable or Metastatic PD-L1-Selected Non-Small Cell Lung Cancer". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04294810. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
