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Active, not recruiting Phase 2 Interventional

Atezolizumab Immunotherapy With or Without Tiragolumab for Patients With Unresectable Stage III NSCLC

ClinicalTrials.gov ID: NCT05798663

Public ClinicalTrials.gov record NCT05798663. 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 Sep 2, 2026, 8:18 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Randomized Phase II Trial of Neoadjuvant and Adjuvant Atezolizumab With or Without Tiragolumab in Conjunction With Chemoradiotherapy for Unresectable Stage III NSCLC

Brief summary

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

This is a phase II trial of neoadjuvant and adjuvant atezolizumab with or without tiragolumab in conjunction with chemoradiotherapy for unresectable stage III NSCLC.

Study identification

NCT ID
NCT05798663
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2
Enrollment
178 participants

Conditions and interventions

Conditions

Interventions

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
Dec 6, 2023
Primary completion
Oct 31, 2026
Completion
Oct 31, 2026
Last update posted
Jun 8, 2026

2023 – 2026

United States locations

U.S. sites
15
U.S. states
8
U.S. cities
14
Facility City State ZIP Site status
University of California San Diego Moores Cancer Center La Jolla California 92037
Kaiser Permanente Oakland Medical Center Oakland California 94611
Kaiser Permanente Roseville Medical Center Roseville California 95661
Kaiser Permanente San Francisco Medical Center San Francisco California 94115
Kaiser Permanente Santa Clara Medical Center Santa Clara California 95051
Kaiser Permanente Vallejo Medical Center Vallejo California 94589
Rush University Medical Center Chicago Illinois 60612
Washington University Siteman Cancer Center St Louis Missouri 63110
Missouri Baptist Medical Center St Louis Missouri 63131
University of Nebraska Medical Center Omaha Nebraska 68198
New Hampshire Oncology - Hematology, PA Manchester New Hampshire 03103
Hematology Oncology Associates of Central New York, P.C. East Syracuse New York 13057
SUNY Upstate Medical University Syracuse New York 13210
Ohio State University Columbus Ohio 43210
University of Wisconsin Madison Wisconsin 53792

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05798663, 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 Jun 8, 2026 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05798663 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →