for people ages 18 years and up (full criteria)
at Orange, California and other locations
study started
completion around



This randomized Phase 3 open-label study will compare the efficacy of the T-cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif (ITIM) domain (TIGIT) monoclonal antibody domvanalimab, the anti programmed cell death protein 1 (PD-1) monoclonal antibody zimberelimab, and multiagent chemotherapy versus the anti PD-1 monoclonal antibody nivolumab and multiagent chemotherapy in the first-line treatment of participants with locally advanced unresectable or metastatic gastric, gastroesophageal junction (GEJ), and esophageal adenocarcinoma.

Official Title

A Randomized, Open-Label, Multicenter Phase 3 Trial of Domvanalimab, Zimberelimab, and Chemotherapy Versus Nivolumab and Chemotherapy in Participants With Previously Untreated Locally Advanced Unresectable or Metastatic Gastric, Gastroesophageal Junction, and Esophageal Adenocarcinoma


Advanced Upper Gastrointestinal Tract Adenocarcinoma, Domvanalimab, Zimberelimab, Nivolumab, Gastroesophageal junction cancer, Esophageal adenocarcinoma, Gastric cancer, Gastric adenocarcinoma, Adenocarcinoma, Leucovorin, Capecitabine, Fluorouracil, Oxaliplatin


You can join if…

Open to people ages 18 years and up

  • Capable of giving signed informed consent which is in compliance with the requirements and restrictions listed in the informed consent form (ICF) and in protocol.
  • Histologically confirmed diagnosis of locally advanced unresectable or metastatic gastric, GEJ, or esophageal adenocarcinoma.
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.
  • At least one measurable target lesion per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1.

You CAN'T join if...

  • Underlying medical or psychiatric conditions that, in the investigator's or sponsor's opinion, will make the administration of study-specified therapy hazardous, including but not limited to:
  • Interstitial lung disease, including history of interstitial lung disease or non-infectious pneumonitis. Active viral, bacterial, or fungal infections requiring parenteral treatment within 14 days of randomization.
  • Clinically significant cardiovascular disease, such as New York Heart Association Class II or greater cardiac disease or cerebrovascular accident within 3 months prior to randomization, unstable angina, or new onset angina within 3 months prior to randomization, myocardial infarction within 6 months prior to randomization, or unstable arrhythmia within 3 months prior to randomization.
  • History of prior solid-organ transplantation, including allogenic bone marrow transplantation.
  • Dementia, psychiatric, or substance abuse disorders that would interfere with satisfying the requirements of the trial.
  • Known human epidermal growth factor receptor 2 (HER-2) positive tumor.
  • Known untreated, symptomatic, or actively progressing central nervous system (CNS) (brain) metastases. Participants with leptomeningeal metastases are excluded from enrollment.
  • Received prior systemic treatment for locally advanced unresectable or metastatic gastric, GEJ, or esophageal adenocarcinoma.
  • Disease progression within 6 months of completion of neoadjuvant or adjuvant therapy.

Note: Other protocol defined Inclusion/Exclusion criteria may apply.


  • University of California Irvine Health Chao Family Comprehensive Cancer Center
    Orange California 92868 United States
  • Norris Comprehensive Cancer Center
    Los Angeles California 90033 United States


in progress, not accepting new patients
Start Date
Completion Date
Arcus Biosciences, Inc.
Phase 3 research study
Study Type
About 1040 people participating
Last Updated