Status:

COMPLETED

A Study of Atezolizumab Plus Tiragolumab and Atezolizumab Plus Placebo as First-Line Treatment in Participants With Recurrent/Metastatic PD-L1 Positive Squamous Cell Carcinoma of the Head and Neck

Lead Sponsor:

Hoffmann-La Roche

Conditions:

Squamous Cell Carcinoma of Head and Neck

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

The primary objective of this study is to evaluate the efficacy of atezolizumab plus tiragolumab and atezolizumab plus placebo as first-line (1L) treatment in recurrent/metastatic PD-L1-positive squam...

Eligibility Criteria

Inclusion

  • Key
  • Histologically or cytologically confirmed recurrent/metastatic SCCHN involving the oropharynx, oral cavity, larynx, or hypopharynx, that is considered incurable by local therapies
  • Known results from human papillomavirus (HPV) status test for oropharyngeal carcinoma
  • No prior systemic therapy for metastatic and/or recurrent SCCHN
  • Measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1
  • Tumor PD-L1 expression as determined by PD-L1 immunohistochemistry assay
  • Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
  • Life expectancy \>=12 weeks
  • Key

Exclusion

  • Disease suitable for local therapy with curative intent
  • Progressive or recurrent disease within 6 months of the last dose of curative intent systemic treatment for locally advanced SCCHN
  • Rapidly progressing disease in the opinion of the treating investigator
  • Grade \>=2 unresolved toxicity related to surgery or other prior therapies
  • Symptomatic, untreated, or actively progressing central nervous system (CNS) metastases
  • History of leptomeningeal disease
  • Active or history of autoimmune disease or immune deficiency
  • History of idiopathic pulmonary fibrosis, organizing pneumonia, drug-induced pneumonitis, or idiopathic pneumonitis, or evidence of active pneumonitis on screening chest computed tomography (CT) scan
  • History of additional malignancy other than SCCHN within 5 years prior to randomization
  • Prior treatment with CD137 agonists or immune checkpoint blockade therapies, including anti-CTLA-4, anti-TIGIT, anti-PD-L1, and anti-PD-1 therapeutic antibodies
  • Treatment with systemic immunostimulatory agents or systemic immunosuppressive medication
  • Pregnancy or breastfeeding

Key Trial Info

Start Date :

March 2 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

August 27 2025

Estimated Enrollment :

123 Patients enrolled

Trial Details

Trial ID

NCT04665843

Start Date

March 2 2021

End Date

August 27 2025

Last Update

September 30 2025

Active Locations (47)

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Page 1 of 12 (47 locations)

1

Moores Cancer Center at UC San Diego Health

La Jolla, California, United States, 92093

2

UCLA

Los Angeles, California, United States, 90095

3

SCRI Florida Cancer Specialists PAN

Tallahassee, Florida, United States, 32308

4

Johns Hopkins Hospital

Baltimore, Maryland, United States, 21287