RecruitingPhase 2Combination productMultinational Phase II Trial to Compare Safety and Efficacy of SIRT (Y-90 Resin Microspheres) Followed by Atezolizumab Plus Bevacizumab, vs SIRT (SIRT-Y90) Followed by Placebo in Locally Advanced HCC PatientsThis is a multi-national, phase II, parallel-arm, double-blind, placebo-controlled, two-arm study designed to assess the efficacy and safety of SIRT-Y90 followed by atezolizumab plus bevacizumab \[study arm\], versus SIRT-Y90 followed by placebo \[control arm\] in patients with locally advanced Hepatocellular Carcinoma (HCC).