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
Public ClinicalTrials.gov record NCT04294810. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase III, Randomized, Double-Blinded, Placebo-Controlled Study of Tiragolumab, an Anti-Tigit Antibody, 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
Study identification
- NCT ID
- NCT04294810
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Enrollment
- 620 participants
Conditions and interventions
Conditions
Interventions
- Atezolizumab Drug
- Tiragolumab Drug
- Matching Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 3, 2020
- Primary completion
- Dec 29, 2025
- Completion
- Dec 29, 2025
- Last update posted
- Jan 29, 2026
2020 – 2025
United States locations
- U.S. sites
- 9
- U.S. states
- 7
- U.S. cities
- 9
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Rocky Mountain Cancer Center - Denver | Denver | Colorado | 80220 | — |
| Yale Cancer Center | New Haven | Connecticut | 06520 | — |
| SCRI Florida Cancer Specialists North | St. Petersburg | Florida | 33705 | — |
| SCRI Florida Cancer Specialists PAN | Tallahassee | Florida | 32308 | — |
| US oncology research at Minnesota Oncology | Saint Paul | Minnesota | 55102 | — |
| SCRI Oncology Partners | Nashville | Tennessee | 37203 | — |
| Virginia Cancer Specialists (Fairfax) - USOR | Fairfax | Virginia | 22031 | — |
| Onc & Hem Assoc SW Virginia | Salem | Virginia | 24153 | — |
| Northwest Cancer Specialists - Vancouver | Vancouver | Washington | 98684 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 125 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04294810, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jan 29, 2026 · Synced Jul 24, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04294810 live on ClinicalTrials.gov.