iTeos Therapeutics Inc is a clinical-stage biopharmaceutical company. The Company is engaged in discovery and development of a differentiated immuno-oncology therapeutics for patients. The Company’s pipeline includes two clinical-stage programs EOS-448 and EOS-850. Its EOS-850, is designed as a selective small molecule antagonist of the adenosine A2a receptor (A2AR) in the adenosine triphosphate (ATP) adenosine pathway. The Company’s lead antibody product candidate, EOS-448, is an antagonist of T-cell immunoreceptor with Ig and ITIM domains (TIGIT), a checkpoint that has a role in both inhibitory and stimulatory pathways in the immune system.