Gilead Sciences exercises options to three Arcus Biosciences clinical-stage programs.
The companies also added a research collaboration.
This transaction is subject to applicable antitrust clearance under the Hart-Scott Rodino Antitrust Improvements Act and other customary closing conditions. The parties expect the transaction to close by year-end.
Domvanalimab is an Fc-silent anti-TIGIT antibody in Phase II and Phase III studies in non-small cell lung cancer (NSCLC) and AB308 is an Fc-enabled anti-TIGIT antibody under Phase 1 evaluation. Etrumadenant is a dual adenosine A2a/A2b receptor antagonist in Phase 1 and Phase II studies in NSCLC, colon cancer and prostate cancer. Quemliclustat is a small molecule CD73 inhibitor in a Phase 1 study in metastatic pancreatic ductal adenocarcinoma (PDAC).
Gilead will be able to pursue potential chemotherapy-free regimens with Trodelvy® (sacituzumab govitecan-hziy) in combination with therapies optioned from the Arcus portfolio. Gilead will also have the flexibility to add Gilead portfolio candidates to existing Arcus studies.