CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 829 enrolled / 829 target
Drug / intervention
Atezolizumab +2 moredrug
Likely dose
Atezolizumab 1680 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04513925
NCT04513925Phase 3CompletedMonitor (11.8/mo)Completion was 13mo ago

A Phase III, Open-Label, Randomized Study of Atezolizumab and Tiragolumab Compared With Durvalumab in Patients With Locally Advanced, Unresectable Stage III Non-Small Cell Lung Cancer Who Have Not Progressed After Concurrent Platinum-Based Chemoradiation

Hoffmann-La Roche·interventional·Posted Aug 14, 2020·Updated Jun 3, 2026

In Brief

A Phase 3 clinical trial evaluating Atezolizumab, Tiragolumab, and 1 other intervention for Non-small Cell Lung Cancer (NSCLC). Completed, enrolled 829 participants across 189 sites in 26 countries.

Signals

Enrolling slower than its timeline implies

Detailed Summary

The purpose of this study is to evaluate the efficacy and safety of atezolizumab in combination with tiragolumab compared with durvalumab in participants with locally advanced, unresectable Stage III non-small cell lung cancer (NSCLC) who have received at least two cycles of concurrent platinum-based chemoradiotherapy (CRT) and have not had radiographic disease progression.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesArgentina, Australia, Austria, Belgium, Brazil, Canada, China, France, Germany, Greece, Hong Kong, Hungary, Israel, Italy, Japan, Netherlands, New Zealand, Poland, Portugal, South Korea, Spain, Taiwan, Thailand, Turkey (Türkiye), United Kingdom, United States
Collaborators--

Timeline

Phase 3CompletedFinished
202120222023202420252026
First PostedAug 14, 2020
Enrollment StartAug 24, 2020
Primary CompletionMay 27, 2025
Study CompletionJul 31, 2025
TodayJul 2, 2026
Enrollment to primary: 4.8 yearsPosted 5.9 years ago

Arms & Interventions

Atezolizumab + Tiragolumabexperimental

Participants will receive atezolizumab administered intravenously (IV) on Day 1 of each 28-day cycle followed by tiragolumab administered IV on Day 1 of each 28-day cycle for a maximum of 13 cycles.

Drug: AtezolizumabDrug: Tiragolumab
Durvalumabactive_comparator

Participants will receive durvalumab administered IV during each 28-day cycle for a maximum of 13 cycles.

Drug: Durvalumab

Interventions

Atezolizumabdrug

Atezolizumab 1680 mg every 4 weeks (Q4W) will be administered IV on Day 1 of each 28-day cycle.

Tiragolumabdrug

Tiragolumab 840 mg Q4W will be administered IV on Day 1 of each 28-day cycle.

Durvalumabdrug

Durvalumab will be administered based on weight at 10 mg/kg IV every 2 weeks (Q2W) on Days 1 and 15 of each 28-day cycle, or will be administered at a fixed dose of 1500 mg IV every 4 weeks (Q4W) (for participants whose weight \>/= 30 kg) on Day 1 of each 28-day cycle.