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Key Record Dates

ClinicalTrials.gov Identifier: NCT04665843
Brief Title: 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 (SKYSCRAPER-09)

First Submitted : December 7, 2020
First Submitted that Met QC Criteria : December 7, 2020
First Posted : December 14, 2020

Last Update Submitted that Met QC Criteria : December 9, 2022
Last Update Posted : December 12, 2022