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Completed Phase 3 Interventional

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

ClinicalTrials.gov ID: NCT04294810

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.

ClinicalTrials.gov public records Last synced Nov 3, 2026, 10:29 PM EST

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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of the study is to evaluate the efficacy and safety of tiragolumab plus atezolizumab compared with placebo plus atezolizumab in participants with previously untreated locally advanced, unresectable or metastatic PD-L1-selected non-small cell lung cancer (NSCLC), with no epidermal growth factor receptor (EGFR) mutation or anaplastic lymphoma kinase (ALK) translocation. Eligible participants will be randomized in a 1:1 ratio to receive either tiragolumab plus atezolizumab or placebo plus atezolizumab.

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

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 4, 2020 (Actual)
Primary completion
Dec 30, 2025 (Actual)
Completion
Dec 30, 2025 (Actual)
Last update posted
Jan 30, 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 30, 2026 · Synced Nov 3, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04294810 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →