Gilead and Arcus Biosciences Announce Positive Update on Joint TIGIT Program From Interim Analysis of ARC-7 Study in Non-Small Cell Lung Cancer

Nov 28, 2022

Gilead Sciences, Inc. (Nasdaq: GILD) and Arcus Biosciences (NYSE: RCUS) today announced a positive update from the fourth interim analysis of the randomized, open-label Phase 2 ARC-7 study in patients with first-line metastatic non-small cell lung cancer (NSCLC) with PD-L1 tumor proportion score (TPS) ≥50% without epidermal growth factor receptor or anaplastic lymphoma kinase (EGFR/ALK) mutations. ARC-7 is evaluating the combinations of anti-TIGIT antibody domvanalimab plus anti-PD-1 antibody zimberelimab (doublet), and domvanalimab plus zimberelimab and etrumadenant, an A2a/b adenosine receptor antagonist (triplet), versus zimberelimab alone, and represents the first randomized Phase 2 study of an Fc-silent anti-TIGIT/anti-PD-1 combination. The protocol-specified fourth interim analysis was conducted when the trial reached full enrollment, with a clinical data cutoff date of August 31, 2022. A total of 150 patients have been randomized across the three study arms.

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